Key statistics
Satellite OBJECT S at a glance.
Uptime
1332
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 S.
Object identification
Identified? True
Debris? False
Object name: OBJECT S
International designator: 2022-019S
Object number (NORAD): 51840
Object ID (CCSDS): 51840
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 92.876 minutes
Inclination: 97.3876 deg
SMA: 6793.54 km
Apoapsis: 416.476 km
Periapsis: 414.334 km
RAAN: 16.417 deg
Eccentricy: 0.00015769
Argument of periapsis: 170.7134 deg
Mean anomaly: 189.4148 deg
Mean motion: 15.5045288 rev/day
Mean motion (dot): 0.00062024 rev/day2
B* drag term: 0.001083959 1/REarth
Two-line elements (TLE)
Creation date: Oct. 21, 2025, 3:26 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 20, 2025, 11:29 p.m. UTC
TLE line 0: 0 OBJECT S
TLE line 1: 1 51840U 22019S 25293.97887859 .00062024 00000-0 10840-2 0 9993
TLE line 2: 2 51840 97.3876 16.4170 0001577 170.7134 189.4148 15.50452880202683
Live tracking on map
Real-time ground track for satellite OBJECT S.
In-orbit conjunctions
There are no conjunctions computed for OBJECT S, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Carried 22 satellites to sun-synchronous orbit on a share-ride mission, including the Hainan-1 satellites.
OBJECT S was lifted into orbit during the mission ‘Long March 8 (Core Only) | Hainan-1 to 4 & others’, on board a Long March 8 (Core Only) space rocket.
The launch took place on Feb. 27, 2022, 3:06 a.m. from 201.
For more information about the launch, click the button.

Long March 8 (Core Only) | Hainan-1 to 4 & others
Agency: N/A
Status: Launch Successful
Launch date: Feb. 27, 2022, 3:06 a.m. UTC
Rocket: Long March 8 (Core Only)
Launch pad: 201
Location: Wenchang Space Launch Site, People's Republic of China
...
Latest news about this satellite

China launches new variant of Long March 8 rocket
Two recent launches from China set a new record for the largest number of satellites ever deployed by a Chinese rocket, and added a new radar imaging capability to the country’s remote sensing fleet.

China launches national record 22 satellites on Long March 8 commercial rideshare
China’s second Long March 8 rocket launched late Saturday carrying a domestic record 22 satellites for a range of commercial Chinese space companies.
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