Key statistics
Satellite OBJECT B at a glance.
Uptime
1609
Days in orbit
Revolutions
≈ 16.4
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
Decay date: Nov. 28, 2025
Period: 87.954 minutes
Inclination: 97.3092 deg
SMA: 6551.34 km
Apoapsis: 179.164 km
Periapsis: 167.246 km
RAAN: 53.6491 deg
Eccentricy: 0.0009096
Argument of periapsis: 278.4373 deg
Mean anomaly: 81.5894 deg
Mean motion: 16.37221819 rev/day
Mean motion (dot): 0.07685133 rev/day2
B* drag term: 0.00084508194 1/REarth
Two-line elements (TLE)
Creation date: Nov. 28, 2025, 8:32 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Nov. 28, 2025, 2:31 a.m. UTC
TLE line 0: 0 OBJECT B
TLE line 1: 1 49004U 21061B 25332.10493538 .07685133 24630-5 84508-3 0 9996
TLE line 2: 2 49004 97.3092 53.6491 0009096 278.4373 81.5894 16.37221819245517
Live tracking on map
Satellite OBJECT B has decayed and is no longer in orbit. No tracking available.
In-orbit conjunctions
Satellite OBJECT B has decayed and is no longer in orbit. No conjunctions available.
Associated 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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