Key statistics
Satellite OBJECT B at a glance.
Uptime
1468
Days in orbit
Revolutions
≈ 15.6
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: 92.546 minutes
Inclination: 97.3462 deg
SMA: 6777.417 km
Apoapsis: 406.044 km
Periapsis: 392.52 km
RAAN: 264.2363 deg
Eccentricy: 0.0009977
Argument of periapsis: 115.3225 deg
Mean anomaly: 244.9064 deg
Mean motion: 15.55988837 rev/day
Mean motion (dot): 0.00039572 rev/day2
B* drag term: 0.00056759 1/REarth
Two-line elements (TLE)
Creation date: July 9, 2025, 2:22 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 8, 2025, 9:57 p.m. UTC
TLE line 0: 0 OBJECT B
TLE line 1: 1 49004U 21061B 25189.91526035 .00039572 00000-0 56759-3 0 9994
TLE line 2: 2 49004 97.3462 264.2363 0009977 115.3225 244.9064 15.55988837223181
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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