Key statistics
Satellite SJ-5 at a glance.
Uptime
9655
Days in orbit
Revolutions
≈ 14.1
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.8
Latest
Satellite identification and parameters
Extended collection of information and parameters for SJ-5.
Object identification
Identified? True
Debris? False
Object name: SJ-5
International designator: 1999-025B
Object number (NORAD): 25731
Object ID (CCSDS): 25731
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 101.92 minutes
Inclination: 98.763 deg
SMA: 7227.676 km
Apoapsis: 861.34 km
Periapsis: 837.742 km
RAAN: 331.0319 deg
Eccentricy: 0.00163251
Argument of periapsis: 336.5411 deg
Mean anomaly: 23.5015 deg
Mean motion: 14.12878255 rev/day
Mean motion (dot): 0.00000048 rev/day2
B* drag term: 0.000049027243 1/REarth
Two-line elements (TLE)
Creation date: Oct. 15, 2025, 2:21 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 14, 2025, 9:06 p.m. UTC
TLE line 0: 0 SJ-5
TLE line 1: 1 25731U 99025B 25287.87923847 .00000048 00000-0 49027-4 0 9993
TLE line 2: 2 25731 98.7630 331.0319 0016325 336.5411 23.5015 14.12878255360685
Live tracking on map
Real-time ground track for satellite SJ-5.
In-orbit conjunctions
A list of the most updated potential collisions computed for object SJ-5.
Associated space launch
Chinese polar orbiting meteorological satellite
SJ-5 was lifted into orbit during the mission ‘Long March 4B | Feng Yun 1C’, on board a Long March 4B space rocket.
The launch took place on May 10, 1999, 1:33 a.m. from Launch Complex 7.
For more information about the launch, click the button.
Long March 4B | Feng Yun 1C
Agency: N/A
Status: Launch Successful
Launch date: May 10, 1999, 1:33 a.m. UTC
Rocket: Long March 4B
Launch pad: Launch Complex 7
Location: Taiyuan Satellite Launch Center, People's Republic of China
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