Author Topic: Shiyan-10 - CZ-3B/G2 - Xichang - September 27, 2021 (08:20 UTC)  (Read 35663 times)

Offline Josh_from_Canada

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This image was shared on Weibo (later deleted) showing a CZ-3B rocket getting ready for flight at Pad 3. No info is known about the payload.

edit: I've added cropped up versions for each of the shots.
« Last Edit: 09/27/2021 09:16 am by Satori »
Launches Seen: Atlas V OA-7, Falcon 9 Starlink 6-4, Falcon 9 CRS-28,

Offline Galactic Penguin SST

Re: ?? - CZ-3B - Xichang - September 2021
« Reply #1 on: 09/23/2021 04:07 am »
A2476/21 NOTAMN
Q) ZPKM/QRTCA/IV/BO/W/000/999/2815N10202E006
A) ZPKM B) 2109260800 C) 2109260830
E) A TEMPORARY RESTRICTED AREA ESTABLISHED CENTERED AT N2815E10202
WITH RADIUS OF 10KM. VERTICAL LIMITS:GND-UNL. ALL ACFT ARE
FORBIDDEN TO FLY INTO THE TEMPORARY RESTRICTED AREA.
F) GND G) UNL


A2477/21 NOTAMN
Q) ZXXX/QRTCA/IV/BO/W/000/999/2426N10547E021
A) ZPKM ZGZU B) 2109260802 C) 2109260831
E) A TEMPORARY RESTRICTED AREA ESTABLISHED BOUNDED BY:
N241728E1060812-N244609E1054103-N243528E1052738-N240650E1055447,BAC
K TO START. ALL ACFT ARE FORBIDDEN TO FLY INTO THE TEMPORARY
RESTRICTED AREA. VERTICAL LIMITS:GND-UNL.
F) GND G) UNL


A2478/21 NOTAMN
Q) ZJSA/QRTCA/IV/BO/W/000/999/1532N11326E033
A) ZJSA B) 2109260815 C) 2109260910
E) A TEMPORARY RESTRICTED AREA ESTABLISHED BOUNDED BY:
N152703E1135919-N160535E1132819-N153849E1125301-N150022E1132403
BACK TO START. ALL ACFT ARE FORBIDDEN TO FLY INTO THE TEMPORARY
RESTRICTED AREA. VERTICAL LIMITS:GND-UNL.
F) GND G) UNL


https://twitter.com/duandang/status/1440881760582074372?s=21

Can someone check the inclination of this path and whether its plane matches any Chinese satellites in the Beidou system or in the 63.4 deg. orbits?
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Offline Josh_from_Canada

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Re: ?? - CZ-3B - Xichang - September 2021
« Reply #2 on: 09/23/2021 04:33 am »
Can someone check the inclination of this path and whether its plane matches any Chinese satellites in the Beidou system or in the 63.4 deg. orbits?
The NOTAM over Mainland China lines up with previous Beidou launches in location but not time, the one over the South China Sea is further southeast then what the Beidou missions used.
Launches Seen: Atlas V OA-7, Falcon 9 Starlink 6-4, Falcon 9 CRS-28,

Offline Galactic Penguin SST

Re: ?? - CZ-3B - Xichang - September 2021
« Reply #3 on: 09/23/2021 04:53 am »
Can someone check the inclination of this path and whether its plane matches any Chinese satellites in the Beidou system or in the 63.4 deg. orbits?
The NOTAM over Mainland China lines up with previous Beidou launches in location but not time, the one over the South China Sea is further southeast then what the Beidou missions used.

Have you checked the BDS-3 IGSO launches?
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Offline Conexion Espacial

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Re: ?? - CZ-3B - Xichang - September 2021
« Reply #4 on: 09/23/2021 05:07 am »
Can someone check the inclination of this path and whether its plane matches any Chinese satellites in the Beidou system or in the 63.4 deg. orbits?
The NOTAM over Mainland China lines up with previous Beidou launches in location but not time, the one over the South China Sea is further southeast then what the Beidou missions used.

Have you checked the BDS-3 IGSO launches?
That launch was the one you mentioned that was launched without any NOTAM available?
https://forum.nasaspaceflight.com/index.php?topic=47092.msg2011249#msg2011249
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Offline russianhalo117

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Re: ?? - CZ-3B - Xichang - September 2021
« Reply #5 on: 09/23/2021 05:08 am »
Can someone check the inclination of this path and whether its plane matches any Chinese satellites in the Beidou system or in the 63.4 deg. orbits?
The NOTAM over Mainland China lines up with previous Beidou launches in location but not time, the one over the South China Sea is further southeast then what the Beidou missions used.

Have you checked the BDS-3 IGSO launches?
Would have to verify further but lines up roughly with a BDS-2 bird at quick glance.

Offline Josh_from_Canada

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Re: ?? - CZ-3B - Xichang - September 2021
« Reply #6 on: 09/23/2021 05:11 am »
Can someone check the inclination of this path and whether its plane matches any Chinese satellites in the Beidou system or in the 63.4 deg. orbits?
The NOTAM over Mainland China lines up with previous Beidou launches in location but not time, the one over the South China Sea is further southeast then what the Beidou missions used.

Have you checked the BDS-3 IGSO launches?
The Beidou-3 I2-S launch used similar drop zones to the MEO launches while the operational satellites went eastward into a standard GTO orbit. The CZ-3C launches of Beidou-3 I1-S and Beidou-3 M3-S also happened to use similar drop zones. So this launch is likely something different.

edit:
Would have to verify further but lines up roughly with a BDS-2 bird at quick glance.
I just checked and the South China Sea NOTAMS don't line up.
« Last Edit: 09/23/2021 05:14 am by Josh_from_Canada »
Launches Seen: Atlas V OA-7, Falcon 9 Starlink 6-4, Falcon 9 CRS-28,

Offline Closer to Space

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Re: ?? - CZ-3B - Xichang - September 2021
« Reply #7 on: 09/23/2021 07:26 am »
Could this correspond to a launch into Molniya orbit?

Just a hypothesis, the Chinese could do like the Soviets did with their US-K satellites, and send early warning satellites not only in geostationary orbit, but also in Molniya orbit to cover the northern areas.

Offline Galactic Penguin SST

Re: ?? - CZ-3B - Xichang - September 2021
« Reply #8 on: 09/23/2021 07:29 am »
Could this correspond to a launch into Molniya orbit?

Just a hypothesis, the Chinese could do like the Soviets did with their US-K satellites, and send early warning satellites not only in geostationary orbit, but also in Molniya orbit to cover the northern areas.

It is possible, although this launch profile lines more up with 55 deg. inclination. IGSO seems plausible though.
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Offline input~2

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Re: ?? - CZ-3B - Xichang - September 2021
« Reply #9 on: 09/23/2021 08:08 am »
Flight path similar as for BD M launches
« Last Edit: 09/23/2021 08:11 am by input~2 »

Offline Closer to Space

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Re: ?? - CZ-3B - Xichang - September 26 2021 (~08:10 UTC)
« Reply #10 on: 09/23/2021 08:37 am »
Interesting...

https://twitter.com/PhilLeafCN/status/1440955000218214403
Quote
Someone said it might be BDS-4s.
« Last Edit: 09/23/2021 08:25 pm by zubenelgenubi »

Offline tehwkd

27th

A2487/21 NOTAMN
Q) ZPKM/QRTCA/IV/BO/W/000/999/2815N10202E006
A) ZPKM B) 2109270800 C) 2109270830
E) A TEMPORARY RESTRICTED AREA ESTABLISHED CENTERED AT N2815E10202
WITH RADIUS OF 10KM. VERTICAL LIMITS:GND-UNL. ALL ACFT ARE
FORBIDDEN TO FLY INTO THE TEMPORARY RESTRICTED AREA.
F) GND G) UNL

A2488/21 NOTAMN
Q) ZXXX/QRTCA/IV/BO/W/000/999/2426N10547E021
A) ZPKM ZGZU B) 2109270802 C) 2109270831
E) A TEMPORARY RESTRICTED AREA ESTABLISHED BOUNDED BY:
N241728E1060812-N244609E1054103-N243528E1052738-N240650E1055447,BAC
K TO START. ALL ACFT ARE FORBIDDEN TO FLY INTO THE TEMPORARY
RESTRICTED AREA. VERTICAL LIMITS:GND-UNL.
F) GND G) UNL


A2489/21 NOTAMN
Q) ZJSA/QRTCA/IV/BO/W/000/999/1532N11326E033
A) ZJSA B) 2109270815 C) 2109270910
E) A TEMPORARY RESTRICTED AREA ESTABLISHED BOUNDED BY:
N152703E1135919-N160535E1132819-N153849E1125301-N150022E1132403
BACK TO START. ALL ACFT ARE FORBIDDEN TO FLY INTO THE TEMPORARY
RESTRICTED AREA. VERTICAL LIMITS:GND-UNL.
F) GND G) UNL
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Offline Conexion Espacial

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Re: ?? - CZ-3B - Xichang - September 27, 2021 (~08:15 UTC)
« Reply #12 on: 09/23/2021 01:57 pm »
Drop zones according to the latest NOTAM
« Last Edit: 09/23/2021 01:57 pm by Conexion Espacial »
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Offline zubenelgenubi

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Re: ?? - CZ-3B - Xichang - September 26 2021 (~08:10 UTC)
« Reply #13 on: 09/23/2021 08:30 pm »
Quote from: tweet
Someone said it might be BDS-4s.
Part 1
A pair of new-version inclined semi-synchronous Beidou satellites?  (A pair of Beidou satellites because the launch vehicle is a CZ-3B, instead of a single Beidou satellite aboard a CZ-3C)

But different from, in satellite "model" and/or newer technologies, the BD-3M satellites?   (Analog to car make and model)


Part 2
I forgot to ask at the time; what is this?

Could it be connected to this launch?

Do we know that the LV now stacked is a CZ-3B and not a CZ-3C?
China launch schedule

2021

?? - CZ-3C - XSLC - Beidou-3 Buwang-1

September 10, 2020


Part 3
Hypothetical schedule through the end of the year for Xichang launches from LC 2 and 3:
China launch schedule

2021

September 27 23-25 26 - Shiyan-10 - CZ-3B/G2 - XSLC, LC3 - 08:20 ~08:10

October 16-18 - ?? - CZ-3B/G? - XSLC, LC2

November 2-4 - ?? - CZ-3B/G? - XSLC, LC3

November 26-28 - ?? - CZ-3B/G? - XSLC, LC2

December 13-15 - ?? - CZ-2D - XSLC, LC3

December 29-January 1, 2022 - Tianji Guganwang Gaogui (×2) - CZ-3B/G3 - XSLC, LC2

TBD? TBD September 20 September 23? - Yaogan-30 Group-11, Tianqi-? "Yan'an-1" - CZ-2C (Y49) - XSLC, LC3?
thread

TBD July 5 (or 6) - Tianhui-3 (GEOSAR) - CZ-3B/G3 - XSLC, LC?
thread

Changes on May 6
Changes on June 11
Changes on June 19
Changes on June 22
Changes on June 29
Changes on July 1
Changes on July 2
Changes on August 1
Changes on September 23
Changes on September 27
zubenelgenubi
« Last Edit: 09/28/2021 06:37 am by zubenelgenubi »
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Offline zubenelgenubi

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Re: ?? - CZ-3B - Xichang - September 27, 2021 (~08:15 UTC)
« Reply #14 on: 09/26/2021 12:43 am »
« Last Edit: 09/26/2021 12:48 am by zubenelgenubi »
Support your local planetarium! (COVID-panic and forward: Now more than ever.) My current avatar is saying "i wants to go uppies!" Yes, there are God-given rights. Do you wish to gainsay the Declaration of Independence?

Offline Conexion Espacial

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And the launch should have been done at this time, this is a picture of the rocket before launch.
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Offline Galactic Penguin SST

Liftoff has apparently occurred per local reports of ground shaking.
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Offline Galactic Penguin SST

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Online Satori

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Launch took place at 0820UTC. Launcher Y81.

Online Satori

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Cargo apparently is the Test Satellite n.º 10.

Tags: Shiyan-10 
 

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