Key statistics
Satellite OBJECT B at a glance.
Uptime
1408
Days in orbit
Revolutions
≈ 15.5
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
97.3
Latest
Satellite identification and parameters
Extended collection of information and parameters for OBJECT B.
Object identification
Identified? True
Debris? False
Object name: OBJECT B
International designator: 2021-061B
Object number (NORAD): 49004
Object ID (CCSDS): 49004
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 92.85 minutes
Inclination: 97.3489 deg
SMA: 6792.253 km
Apoapsis: 419.238 km
Periapsis: 408.999 km
RAAN: 203.7795 deg
Eccentricy: 0.0007537
Argument of periapsis: 331.0108 deg
Mean anomaly: 29.0725 deg
Mean motion: 15.50893373 rev/day
Mean motion (dot): 0.00040727 rev/day2
B* drag term: 0.0007025 1/REarth
Two-line elements (TLE)
Creation date: May 11, 2025, 2:40 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 10, 2025, 9:52 p.m. UTC
TLE line 0: 0 OBJECT B
TLE line 1: 1 49004U 21061B 25130.91125262 .00040727 00000-0 70250-3 0 9993
TLE line 2: 2 49004 97.3489 203.7795 0007537 331.0108 29.0725 15.50893373214028
Live tracking on map
Real-time ground track for satellite OBJECT B.
In-orbit conjunctions
There are no conjunctions computed for OBJECT B, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Jilin-1 satellites are a series of Chinese commercial remote sensing satellite for high definition video within the Jilin-1 constellation designed and owned by the Chang Guang Satellite Technology Corporation.
OBJECT B was lifted into orbit during the mission ‘Long March 2D | Jilin-1 Wideband-01B & High Resolution 03D’, on board a Long March 2D space rocket.
The launch took place on July 3, 2021, 2:51 a.m. from Launch Complex 9.
For more information about the launch, click the button.
Long March 2D | Jilin-1 Wideband-01B & High Resolution 03D
Agency: N/A
Status: Launch Successful
Launch date: July 3, 2021, 2:51 a.m. UTC
Rocket: Long March 2D
Launch pad: Launch Complex 9
Location: Taiyuan Satellite Launch Center, People's Republic of China
...
Latest news about this satellite
China Launches Five Satellites on a Chang Zheng 2D
At 02:51 UTC, or 10:51 AM Beijing time on Saturday, July 3, the China Aerospace Science and Technology Corporation (CASC) successfully launched a Chang Zheng 2D rocket from LC-9 at the Taiyuan Satellite Launch Center, carrying five satellites into Sun Syn...
China launches five Earth observation satellites on Long March 2D rocket
China successfully launched five small remote sensing satellites on top of a Long March 2D rocket Saturday into an orbit more than 330 miles above Earth.
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