Key statistics
Satellite OBJECT B at a glance.
Uptime
641
Days in orbit
Revolutions
≈ 15.5
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
97.4
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: 2023-189B
Object number (NORAD): 58503
Object ID (CCSDS): 58503
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 92.887 minutes
Inclination: 97.439 deg
SMA: 6794.075 km
Apoapsis: 422.121 km
Periapsis: 409.758 km
RAAN: 266.5046 deg
Eccentricy: 0.00090987
Argument of periapsis: 156.9836 deg
Mean anomaly: 203.1824 deg
Mean motion: 15.50269835 rev/day
Mean motion (dot): 0.00036837 rev/day2
B* drag term: 0.00064969177 1/REarth
Two-line elements (TLE)
Creation date: Sept. 4, 2025, 10:13 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 4, 2025, 7:09 a.m. UTC
TLE line 0: 0 OBJECT B
TLE line 1: 1 58503U 23189B 25247.29837689 .00036837 00000-0 64969-3 0 9990
TLE line 2: 2 58503 97.4390 266.5046 0009099 156.9836 203.1824 15.50269835 97964
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
MisrSat-2 is an Earth observation satellite for the Egyptian Space Agency built by China, with participation from Egyptian engineers and scientists offering opportunity to acquire on-the-project experience in satellite design and integration from China, using facilities available in Egypt. Also riding on this launch is Starpool-02A/B, multi-purpose communication, remote sensing and navigation enhancement satellites from Beijing based ELLIPSPACE.
OBJECT B was lifted into orbit during the mission ‘Long March 2C | MisrSat-2’, on board a Long March 2 space rocket.
The launch took place on Dec. 4, 2023, 4:10 a.m. from Launch Area 4 (SLS-2 / 603).
For more information about the launch, click the button.
Long March 2C | MisrSat-2
Agency: N/A
Status: Launch Successful
Launch date: Dec. 4, 2023, 4:10 a.m. UTC
Rocket: Long March 2
Launch pad: Launch Area 4 (SLS-2 / 603)
Location: Jiuquan Satellite Launch Center, People's Republic of China
...
Latest news about this satellite
There are no fresh news available about this satellite. Check back as we update our databases every day.
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