Author Topic: KSLV II F3 : NEXTSat-2/SNIPE (x4)/3 cubesats : NSC LC2 : May 25, 2023 09:24 UTC  (Read 19984 times)

Offline russianhalo117

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The next KSLV-2 launch is scheduled for 2023 May 10 with the following transferred payloads from a cancelled GKLS booked Soyuz-2-1B/Fregat-M due to an ongoing geopolitical military conflict in the Pan-European Military Theatre's Baltic Operations Area:

May 10 - NEXTSat-2, SNIPE A (KASI-SAT A), SNIPE B (KASI-SAT B), SNIPE С (KASI-SAT С), SNIPE D (KASI-SAT D), JLC-101-v1-2, KSAT3U, Lumir-T1 - Nuri (KSLV-2) - Naro LC-2 -~09:00UTC

Z0129/23 NOTAMN
Q) RKRR/QWMTT/IV/BO/W/000/999/3535N12700E999
A) RKRR B) 2305100900 C) 2305240900
E) TRIGGER NOTAM-AIRAC AIP SUP 5/23 WEF 0900 UTC 10 MAY 2023 TIL 0900
UTC 22 JUN 2023
- KSLV II(KOREA SPACE LAUNCH VEHICLE II) LAUNCH
CREATED: 09 Mar 2023 08:51:00
SOURCE: RKRRYNYX
« Last Edit: 05/25/2023 03:05 am by Galactic Penguin SST »

Offline Vahe231991

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The Yonhap News Agency last October reported the assignment of the SNIPE satellites to the planned third launch of the Nuri SLV.

Offline Conexion Espacial

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Offline Vahe231991

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Found the latest from the Yonhap News Agency:
https://en.yna.co.kr/view/AEN20230330004600320

Offline russianhalo117

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KSLV-II launch 3 is TBD now
https://v.daum.net/v/20230328143441384
Is that a trustworthy source. Back in the 1990's We were generally taught not to trust .net websites.
« Last Edit: 04/01/2023 12:37 am by russianhalo117 »

Offline Galactic Penguin SST

Seems like the launch is planned on May 24, 09:24 UTC +- 30 min:

https://twitter.com/kari2030/status/1645695298046664704
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Offline Yiosie

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The other 3 CubeSats on this launch are JLC-101-v1-2 (from Justek), KSAT3U (from Kairo Space), and Lumir-T1 (from Lumir).

South Korea’s KSLV-2 rocket set to launch May 24 [dated Apr. 13]

Quote from: SpaceNews
The primary payload is NEXTSat 2, a 180-kilogram technology demonstration satellite developed by the Korea Advanced Institute of Science and Technology (KAIST).

The seven other satellites, all manufactured domestically, are: a 4-kilogram Earth-observation technology demonstration cubesat JLC-101-v1-2; a 10-kilogram cosmic radiation monitoring cubesat Lumir-T1; a 6-kilogram earth observation and weather monitoring cubesat KSAT3U; and SNIPE, a constellation consisting of four 6U cubesats to identify temporal and spatial variation of small-scale plasma structures in the ionosphere and magnetosphere.

Offline Conexion Espacial

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Payload integration and final preparations for launch have already begun.
https://en.yna.co.kr/view/AEN20230505003000320
« Last Edit: 05/07/2023 04:42 am by Conexion Espacial »
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Offline Galactic Penguin SST

KARI Press Kit (in Korean).
Appears to be heading to a 550 km SSO; nominal T-0 seems to be 09:24:03 UTC.
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Offline Galactic Penguin SST

English overview of the launch from KARI:
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Offline Vahe231991

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Final assembly of the Nuri rocket for next week's launch is scheduled to wrap up tomorrow:
https://en.yna.co.kr/view/AEN20230521001100320?section=news

Offline Galactic Penguin SST

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Offline FutureSpaceTourist

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twitter.com/cnspaceflight/status/1660919296648937472

Quote
🚀The 3rd KSLV-II (Nuri) has been transported to launch pad at Naro Space Center for launch on May 24 at ~09:24UTC
(c) KARI

https://twitter.com/cnspaceflight/status/1660922805842767872
« Last Edit: 05/23/2023 08:19 am by FutureSpaceTourist »

Offline FutureSpaceTourist

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Offline Conexion Espacial

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Official Livestream
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Offline FutureSpaceTourist

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https://twitter.com/nasaspaceflight/status/1661145852252160003

Quote
South Korea's Nuri (KSLV-2) rocket is set to launch on its third flight at 09:24 UTC on Wednesday from the Naro Space Center's Launch Complex 2 (LC-2).

It will loft NEXTSat-2 and several CubeSats.

https://www.nasaspaceflight.com/2023/05/third-nuri-flight/ - by Justin Davenport (@Bubbinski)

Online catdlr

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Livestream already started.




Tony De La Rosa, ...I'm no Feline Dealer!! I move mountains.  but I'm better known for "I think it's highly sexual." Japanese to English Translation.

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Here is an English-based newscast providing its live coverage.

[LIVE] THE DAILY REPORT | 2023-05-24, 14:00 (KST)

Tony De La Rosa, ...I'm no Feline Dealer!! I move mountains.  but I'm better known for "I think it's highly sexual." Japanese to English Translation.

Offline hektor

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The livestream has been closed. Is it a scrub ?

Offline Galactic Penguin SST

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Offline Galactic Penguin SST

https://en.yna.co.kr/view/AEN20230523008252320

Quote
"While controlling a helium valve, aerospace engineers found a communications problem between a launch control computer and a launch pad facility control computer," Vice Science Minister Oh Tae-seog said in a briefing held at the Naro Space Center in Goheung. "The valve is OK but the system might matter when it goes into the automatic operation system. So we inevitably canceled the scheduled launch."

...

...The committee will determine whether South Korea will go ahead with the launch on Thursday.
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Offline Steven Pietrobon

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Launching today [May 25] at 6:24 pm local time (09:24 UTC).

https://en.yna.co.kr/view/AEN20230525005400320
« Last Edit: 05/25/2023 03:39 am by zubenelgenubi »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Nuri 3rd Launch Launch Management Committee Briefing.

« Last Edit: 05/25/2023 03:05 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline FutureSpaceTourist

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Offline Steven Pietrobon

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Finally showing a view of the rocket!
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Online catdlr

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That's one clean pad. You can see the LV reflection in the lower polished cement.
Tony De La Rosa, ...I'm no Feline Dealer!! I move mountains.  but I'm better known for "I think it's highly sexual." Japanese to English Translation.

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This "Business News" video was posted about an hour ago concerning the launch.  At least it's something to view while we wait for the launch.



Tony De La Rosa, ...I'm no Feline Dealer!! I move mountains.  but I'm better known for "I think it's highly sexual." Japanese to English Translation.

Offline Steven Pietrobon

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Some vapour is coming off from the near the third stage.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-1 hour.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-53 minutes. The base of the vehicle, which is clearly labelled F3.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-45 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-30 minutes. At the viewing site.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Online catdlr

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Here is another news feed.  It provided multiple engineering video views.

« Last Edit: 05/25/2023 08:55 am by catdlr »
Tony De La Rosa, ...I'm no Feline Dealer!! I move mountains.  but I'm better known for "I think it's highly sexual." Japanese to English Translation.

Offline Steven Pietrobon

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Mission control.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-20 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Online catdlr

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Tony De La Rosa, ...I'm no Feline Dealer!! I move mountains.  but I'm better known for "I think it's highly sexual." Japanese to English Translation.

Offline Steven Pietrobon

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Another control room.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Galactic Penguin SST

Expect English coverage here as the clock ticks close to 0:

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Offline Steven Pietrobon

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T-15 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Online catdlr

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Expect English coverage here as the clock ticks close to 0:

Thanks a bunch.
Tony De La Rosa, ...I'm no Feline Dealer!! I move mountains.  but I'm better known for "I think it's highly sexual." Japanese to English Translation.

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T-10 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T-5 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline eeergo

Looking good and fueled.
-DaviD-

Offline eeergo

View of the rocket's base.
-DaviD-

Offline Steven Pietrobon

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T-2 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T-1 minute.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Liftoff!
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T+1 minute.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T+2 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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First stage separation.

T+3 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Second stage separation.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline eeergo

First stage separation confirmed, although they showed the corkscrewing contrail being deformed by wind shear and caused a slightly worrisome moment there :)

Calling 200 km in altitude now while they show -very nice multicam views- launch replays.
-DaviD-

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Fairing separation.

T+5 minutes. Third stage ignition.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+6 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Onboard video.

T+7 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline eeergo

Over 400 km altitude.
-DaviD-

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T+8 minutes.
« Last Edit: 05/25/2023 09:32 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Onboard video of first stage separation.

T+9 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+10 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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T+11 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Third stage ignition?

T+12 minutes. Very confusing coverage.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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T+13 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Satellite separations.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline eeergo

First separation was visible from onboard cams here:
« Last Edit: 05/25/2023 09:44 am by eeergo »
-DaviD-

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All satellites separated (expected).
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline eeergo

They seem to have performed the last satellite separation (or expected to, not sure by the commentary or views):
-DaviD-

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Launch replays.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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NextSat 2 separation.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Cubesat separations.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Third stage put into a spin.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline FutureSpaceTourist

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twitter.com/nasaspaceflight/status/1661664733278208000

Quote
South Korea's Nuri (KSLV-2) rocket launches on its third flight, with NEXTSat-2 and several CubeSats, from the Naro Space Center's Launch Complex 2 (LC-2). 

nasaspaceflight.com/2023/05/third-…… - by Justin Davenport (@Bubbinski).

Livestream:
youtube.com/watch?v=0WzHxr…

https://twitter.com/nasaspaceflight/status/1661666848058884098

Quote
Sorry about the watermark. I forgot to take it off my bandicam recorder after doing Starbase member clip from Mary 😅

Livestream showing lots of replays. Apparently, the launch is on track.

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Replay of onboard first and second stage separation.
« Last Edit: 05/25/2023 09:53 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline FutureSpaceTourist

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https://twitter.com/nasaspaceflight/status/1661670032756097024

Quote
Success for South Korea's Nuri (KSLV-2) rocket, which has deployed NEXTSat-2 and several CubeSats following launch from the Naro Space Center's Launch Complex 2 (LC-2).   

nasaspaceflight.com/2023/05/third-… - by Justin Davenport (@Bubbinski). 

Livestream: youtube.com/watch?v=0WzHxr…

Offline eeergo

Some other spacecraft seen separating (assuming not live?), in particular looks like the SNIPES? Or perhaps also interspersed with the Lumir-T1, KSAT3U and JLC-101-v1-2 CubeSats, unsure. Also, not all of these appear to be onboard, with the graphics showing just 5 satellites overall.

Although I'm getting the sinking feeling they may actually be showing KSLV II's F2 separations from last year (?), just to show what this flight's would look like in the absence of live views? The first separation attached below looks like PVSAT, and four 4U Cubesats were released afterwards, but the SNIPES are 4x3U! See last images regarding PVSAT and NEXTSat-2.

Scratch that, the payload stack is visible in the last attached image, and NEXTSat-2's horn is visible on the top of the separated spacecraft in today's coverage, confirming it was indeed showing today's separations, as expected. Looks like there were only 5 CubeSats apart from NEXTSat-2 though, judging from the visible canisters around the main payload, which also appears to fit the timeline graphs.
« Last Edit: 05/25/2023 10:10 am by eeergo »
-DaviD-

Offline Steven Pietrobon

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Congratulations to KARI and South Korea for the successful launch!
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Fairing separation and the first cubesat separating, which I missed previously.
« Last Edit: 05/25/2023 10:11 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Thanks, Steven for covering a very confusing launch coverage.  You did well despite the numerous conflicting replays and lack of English translation.
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A video Summary of the launch,

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Offline Galactic Penguin SST

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Offline Galactic Penguin SST

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Offline Galactic Penguin SST

Seems like they are still confirming whether 1 of the 4 SNIPE cubesats - hidden in the payload separation camera view - was deployed or not; otherwise all separation went well.

https://twitter.com/kari2030/status/1661710270211969026
Quote from: KARI, via Google translate
After launch, the Nuri was put into the target orbit according to the set flight sequence, and successfully separated and settled the next-generation small satellite No. 2.

In the case of the 6 Cube Satellites, which are auxiliary satellites, it was confirmed that the ejection proceeded normally.
« Last Edit: 05/25/2023 02:34 pm by zubenelgenubi »
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Satellite manifest?
NEXTSat-2
SNIPE A/B/C/D (cubesats)
Two more cubesats, but we thought there would be three more?

7 satellites total?

Quote from: KARI, via Google translate
After launch, the Nuri was put into the target orbit according to the set flight sequence, and successfully separated and settled the next-generation small satellite No. 2.

In the case of the 6 Cube Satellites, which are auxiliary satellites, it was confirmed that the ejection proceeded normally.
« Last Edit: 05/25/2023 06:16 pm by zubenelgenubi »
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https://twitter.com/tskelso/status/1661771065394356224

Quote
CelesTrak has GP data for 1 object from the launch (2023-072) of NEXTSAT-2 and 7 microsatellites atop a Nuri rocket from Naro Space Center on May 25 at 0924 UTC: en.yna.co.kr/view/AEN202305…. Data for the launch can be found at: https://celestrak.org/NORAD/elements/table.php?INTDES=2023-072

Offline Galactic Penguin SST

Satellite manifest?
NEXTSat-2
SNIPE A/B/C/D (cubesats)
Two more cubesats, but we thought there would be three more?

7 satellites total?

See this post:

English overview of the launch from KARI:
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Offline Liss

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A total of eight objects, 56743 through 56750.
This message reflects my personal opinion based on open sources of information.

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I got to see the launch in person about 18 km away from the launchpad. Here's the recording of the event from my camera.


Visibility was terrible for the faraway watchers the day before due to the mist and fine dust, so the one-day delay was a blessing in disguise for me. The overhanging clouds meant that the launcher became invisible just a minute into flight, so I wasn't able to see the stage separation happening.

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https://twitter.com/kor_spaceflight/status/1663757364095500288

Quote
Deployment of NEXTSat-2 and 6 cubesats except SNIPE-3 was confirmed, but SNIPE-3 does not appear to be separated from Nuri

twitter.com/kari2030/status/1663733066471440384

Quote
During this third launch, Nuri launched the next-generation small satellite No. 2 and six cube satellites sequentially at the target altitude.

However, it is presumed that the Toyosaat 3 was not ejected because the signal for opening and closing the ejection pipe door and the acceleration measurement value of the 3rd stage of the Nuri were not confirmed.

Hangwooyeon plans to conduct an analysis to determine the cause.
thank you
« Last Edit: 05/31/2023 06:46 am by FutureSpaceTourist »

Offline Galactic Penguin SST

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