Key statistics
Satellite FENGYUN 1B at a glance.
Uptime
12724
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: 102.628 minutes
Inclination: 98.93 deg
SMA: 7261.118 km
Apoapsis: 894.153 km
Periapsis: 871.812 km
RAAN: 166.3726 deg
Eccentricy: 0.0015384
Argument of periapsis: 217.4221 deg
Mean anomaly: 142.5875 deg
Mean motion: 14.03128875 rev/day
Mean motion (dot): 0.00000277 rev/day2
B* drag term: 0.00020594 1/REarth
Two-line elements (TLE)
Creation date: July 4, 2025, 6:39 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 4, 2025, 1:57 p.m. UTC
TLE line 0: 0 FENGYUN 1B
TLE line 1: 1 20788U 90081A 25185.58157118 .00000277 00000-0 20594-3 0 9999
TLE line 2: 2 20788 98.9300 166.3726 0015384 217.4221 142.5875 14.03128875782803
Live tracking on map
Real-time ground track for satellite 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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