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#80 by Satori on 21 Nov, 2013 17:35
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0710:16UTC is the time of first stage ignition
07:10:16 is liftoff, i.e. the time of beginning of moving of rocket inside of silo.
Thank you for the correction, Andrey! -
#81 by anik on 21 Nov, 2013 17:53
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Oh, I have a mistake, there should be a difference - 6.55 seconds. So, if the "go inertial time" was at 07:10:10.147 UTC, then the "contact of exit of rocket from silo = liftoff" was at ~07:10:16.697 UTC.
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#82 by Nicolas PILLET on 21 Nov, 2013 18:40
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Six objects cataloged:
39416 591 x 1609 km x 97.7
39417 547 x 597 x 97.8
39418 567 x 599 x 97.8
39419 584 x 603 x 97.8
39420 590 x 610 x 97.8
39421 593 x 638 x 97.8
Sorry for this stupid question, but if the engine is not restartable, how is it possible for these payloads to end in different orbits ? -
#83 by rds100 on 21 Nov, 2013 18:42
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Six objects cataloged:
39416 591 x 1609 km x 97.7
39417 547 x 597 x 97.8
39418 567 x 599 x 97.8
39419 584 x 603 x 97.8
39420 590 x 610 x 97.8
39421 593 x 638 x 97.8
Sorry for this stupid question, but if the engine is not restartable, how is it possible for these payloads to end in different orbits ?
They are deployed while the engine is still burning and the rocket is still climbing to a higher orbit.
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#84 by JasonAW3 on 21 Nov, 2013 19:09
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Danged Russians!
We send up 29 sats in one launch so they send up 33 a few days later...
Almost makes building a Sea Dragon to launch multiple Geosync sats at the same time look economical... -
#85 by Nicolas PILLET on 21 Nov, 2013 19:15
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E-st@r 1 was launched on first VEGA flight, in 2012.
There is no news about E-st@r 2 on the Facebook page of the builders...
https://www.facebook.com/estarCubeSat
I really doubt that this satellite was on Dnepr. I've sent them a message, and I'm waiting for answer. -
#86 by Skyrocket on 21 Nov, 2013 19:32
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E-st@r 1 was launched on first VEGA flight, in 2012.
There is no news about E-st@r 2 on the Facebook page of the builders...
https://www.facebook.com/estarCubeSat
I really doubt that this satellite was on Dnepr. I've sent them a message, and I'm waiting for answer.
The UniSat-5 team told me, that it was not on board.
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#87 by Artyom. on 22 Nov, 2013 09:48
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#88 by jcm on 22 Nov, 2013 19:24
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Object 39416, 2013-066A, has been renamed object 39448, 2013-066AJ. It is the Dnepr final stage in a 591 x 1609 km orbit.
Catalog 39416 has now been reassigned to a different 2013-066 object, in a 594 x 652 km orbit
We can infer that 39449 and 39450 [edit: corrected typos] are reserved for the GDS fairing and the Platform A adapter, with
39416-39447 reserved for the payloads. -
#89 by osiossim on 24 Nov, 2013 05:23
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Apart from the cubesat manufacturers, the big satellites' owners are suspiciously silent about the first signal.
Is there any single word about the consequences of Skysat-1, Dubaisat-2 and Stsat-3? -
#90 by pericynthion on 24 Nov, 2013 05:59
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Apart from the cubesat manufacturers, the big satellites' owners are suspiciously silent about the first signal.
Is there any single word about the consequences of Skysat-1, Dubaisat-2 and Stsat-3?
I haven't heard anything, and I've been looking. But I wouldn't classify the silence as 'suspicious'. It's quite common for commercial operators to wait a while - perhaps until commissioning is complete - before making any announcements, and that doesn't mean that anything is wrong.
Most of the cubesats are from amateur- or university-affiliated groups, so it's not surprising that they're a bit more open. -
#91 by sdsds on 24 Nov, 2013 06:28
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Apart from the cubesat manufacturers, the big satellites' owners are suspiciously silent about the first signal.
Is there any single word about the consequences of Skysat-1, Dubaisat-2 and Stsat-3?
According to EIAST, the United Arab Emirates’ team of engineers at the ground station was able to communicate directly with Dubai Sat 2
http://www.satellitetoday.com/launch/2013/11/22/dubai-sat-2-launched-as-part-of-record-breaking-32-satellite-launch-onboard-dnepr-rocket/ -
#92 by osiossim on 24 Nov, 2013 09:08
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Apart from the cubesat manufacturers, the big satellites' owners are suspiciously silent about the first signal.
Is there any single word about the consequences of Skysat-1, Dubaisat-2 and Stsat-3?
I haven't heard anything, and I've been looking. But I wouldn't classify the silence as 'suspicious'. It's quite common for commercial operators to wait a while - perhaps until commissioning is complete - before making any announcements, and that doesn't mean that anything is wrong.
Most of the cubesats are from amateur- or university-affiliated groups, so it's not surprising that they're a bit more open.
Regarding the Skysat-1, the company made PR statements all the time durign the manufactoring and interation phases. Neither launch, nor post launch status of the satellite is announced. There is even no single word about the satellite's current status on their web site and on their social media accounts and the latest news is belong to 31.10.2013!
I would expect them to flood the media about the capabilities of their low-cost, COTS, game-changer satellite design and how it will change the remote sensing industry. However, they are suspiciously silent, at least for me.
STSAT-3 is belong to KARI, they do not need to make any PR as the satellite is for testing purposes.
Dubaisat-2 is belong to government, and it is their second satellite. I also do not think they will announce the news but they should distribute the first image, as they did on Dubaisat-1. But, middle eastern media is also very much silent as they are not provided any news from EIAST.
Aprizesats are commercial and part of larger constellation. And, I believe, they would concentrate on their commercial sale, not announcing the first signal.
We should also concentrate on cubesats and their consequences. I personally wonder what Italian team will do with their Unisat-5.
FunCube, First-Move, Delfi-n3Xt, Cubebug-2, GOMX-1 announced sucessfull comissioning;
https://warehouse.funcube.org.uk/realtime.html?satelliteId=2
https://twitter.com/1st_Move
http://www.delfispace.nl/
http://2.cubebug.org/
https://twitter.com/GomSpace_Aps
Still no news about KRYSAOR, Unisat-5;
https://twitter.com/EXA_ec
https://twitter.com/gaussteam -
#93 by Fuji on 25 Nov, 2013 04:55
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Apart from the cubesat manufacturers, the big satellites' owners are suspiciously silent about the first signal.
Is there any single word about the consequences of Skysat-1, Dubaisat-2 and Stsat-3?
Japanese news report that Stsat-3 is good comunication established.
Also, WNISAT-1 is operating well. First data recieving scene here.
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#94 by osiossim on 25 Nov, 2013 06:09
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WERN heard;
https://twitter.com/PocketQubeShop
UNISAT-5 is also heard according to team's email release. However not update on team's website and twitter account.
"Dear all,
after the successful DNEPR cluster launch we will like to give you a brief update about the UniSat-5 mission and the released satellites:
Eagle-1 and Eagle-2 have been received and are working perfectly
HUMSAT-D already finished the commissioning of the platform, but none of the the current TLE's fit to doppler shift measurements. Information about doppler shift is very welcome!
Wren was heard today. The TLE used are:
1 39422U 13066G 13326.48861818 -.00000055 00000-0 00000+0 0 75
2 39422 097.8066 039.1177 0023760 211.9046 148.0730 14.86334042 151
the beacon is 1.6 seconds. Wren is sending nominally on 437.405 MHz. The beacon is AFSK-modulated. For more information contact Paul Kocyla from Stadoku at [email protected]
I-Cube beacon has been received from UK and from Pakistan. They are currently work on commanding the satellite
UniSat-5 doesn't have a beacon and the ground station from Roma, Vigo, MSU and California are working on commanding it
PUCPSAT team needs your help:
Beacon every 20 sec. at 145.84 MHz, AX.25 at 1200 Baud
Information about object identification in the TLE are very welcome.
Thank you,
--
Gruppo di Astrodinamica per l'Uso dei Sistemi Spaziali -
Group of Astrodynamics for the Use of Space Systems
Via Lariana, 5
00199 Roma" -
#95 by Danderman on 05 Dec, 2013 22:16
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Regarding the Skysat-1, the company made PR statements all the time durign the manufactoring and interation phases. Neither launch, nor post launch status of the satellite is announced. There is even no single word about the satellite's current status on their web site and on their social media accounts and the latest news is belong to 31.10.2013!
I would expect them to flood the media about the capabilities of their low-cost, COTS, game-changer satellite design and how it will change the remote sensing industry. However, they are suspiciously silent, at least for me.
http://apb.directionsmag.com/entry/skybox-launch-successful-satnews/368624
Friday, November 22, 2013
Skybox Launch Successful
SkySat-1 from Skybox Imaging, "an emerging provider of timely high-resolution satellite imagery and full motion video" launched successfully yesterday from a Russian launch site. According to the report:
After much anticipation, Skybox Imaging (NSG: SKYB) of Mountain View, California today launched the company’s first satellite (SkySat-1) into orbit. The success of this launch on a Russian Dnepr vehicle led NSG Analysts to improve Skybox’s ranking from #12 to #7 on the NSG 100 index ... Skybox becomes only the fifth organization licensed to provide high resolution space-based imagery of Earth.
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#96 by akula2 on 05 Dec, 2013 22:36
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Sounds like they all released happily!
I don't know if William Graham is here. That was a good work, thanks
William's epic article......big read, 4,200 words!
http://www.nasaspaceflight.com/2013/11/russian-dnepr-record-breaking-32-satellite-haul/
So one more record set!
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#97 by osiossim on 06 Dec, 2013 13:50
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http://apb.directionsmag.com/entry/skybox-launch-successful-satnews/368624
Friday, November 22, 2013
Skybox Launch Successful
SkySat-1 from Skybox Imaging, "an emerging provider of timely high-resolution satellite imagery and full motion video" launched successfully yesterday from a Russian launch site. According to the report:
After much anticipation, Skybox Imaging (NSG: SKYB) of Mountain View, California today launched the company’s first satellite (SkySat-1) into orbit. The success of this launch on a Russian Dnepr vehicle led NSG Analysts to improve Skybox’s ranking from #12 to #7 on the NSG 100 index ... Skybox becomes only the fifth organization licensed to provide high resolution space-based imagery of Earth.
This news still does not prove that the satellite is working properly, at least as much as Skybox company announced.
Their facebook and twitter accounts are still silent about the consequence of the satellite and on their web site the latest news is from 22.11.2013 http://skyboximaging.com/news and it says "Skybox Launch Successful".
But, what about the satellite? At least the company should have distributed one single spot image to clear the mist over the issue.
It would be good to know the perfomance of the COTS components on space. -
#98 by pericynthion on 06 Dec, 2013 22:59
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You're reading too much into this. No official press release does not mean bad news.
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#99 by Lewis007 on 07 Dec, 2013 06:32
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Some news on Triton-1: Shortly after launch, it appeared that in one mode, the satellite's transmitter was on continuously, which hampered the receipt of signals from ground control. The powerful radio telescope of Dwingeloo (the Netherlands) was used to restore the cubesat to order on Nov 29.
Source (in Dutch): see attachment
