Key statistics
Satellite FENGYUN 1B at a glance.
Uptime
12827
Days in orbit
Revolutions
≈ 14.0
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.9
Latest
Satellite identification and parameters
Extended collection of information and parameters for FENGYUN 1B.
Object identification
Identified? True
Debris? False
Object name: FENGYUN 1B
International designator: 1990-081A
Object number (NORAD): 20788
Object ID (CCSDS): 20788
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 102.626 minutes
Inclination: 98.9452 deg
SMA: 7261.053 km
Apoapsis: 893.74 km
Periapsis: 872.096 km
RAAN: 267.8526 deg
Eccentricy: 0.0014904
Argument of periapsis: 295.4501 deg
Mean anomaly: 64.5122 deg
Mean motion: 14.03147557 rev/day
Mean motion (dot): -0.00000123 rev/day2
B* drag term: -0.00005053702 1/REarth
Two-line elements (TLE)
Creation date: Oct. 16, 2025, 2:37 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 15, 2025, 9:46 p.m. UTC
TLE line 0: 0 FENGYUN 1B
TLE line 1: 1 20788U 90081A 25288.90717843 -.00000123 00000-0 -50537-4 0 9999
TLE line 2: 2 20788 98.9452 267.8526 0014904 295.4501 64.5122 14.03147557797295
Live tracking on map
Real-time ground track for satellite FENGYUN 1B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object FENGYUN 1B.
Associated space launch
Chinese polar orbiting meteorological satellite
FENGYUN 1B was lifted into orbit during the mission ‘Long March 4A | Feng Yun 1B’, on board a Long March 4A space rocket.
The launch took place on Sept. 3, 1990, 12:53 a.m. from Launch Complex 7.
For more information about the launch, click the button.
Long March 4A | Feng Yun 1B
Agency: N/A
Status: Launch Successful
Launch date: Sept. 3, 1990, 12:53 a.m. UTC
Rocket: Long March 4A
Launch pad: Launch Complex 7
Location: Taiyuan Satellite Launch Center, People's Republic of China
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