Yaogan 4
Mission information
Status
Active
The satellite is in orbit
The network has not received data from this satellite for a long time
The satellite is in orbit
The network has not received data from this satellite for a long time
Orbital parameters of the satellite
Perigee
608.88 km
Apogee
630.23 km
Inclination
97.9°
Period
98.4 min
Semi-major axis
6997.7 km
Velocity
7.56 km/s
Mission timeline
Launch time
2008-12-01 00:00:00
Decayed time
Transmitters
Telemetry decoder Yaogan 4
Decoder name
Decoder fields
Data for the last 30 days
Orbital Elements
Last two-line elements (TLE)
TLE source
Celestrak (active)
TLE updated
2025-08-05 17:33:33
Two-line elements (TLE)
1 33446U 08061A 25217.54468240 .00001078 00000+0 14179-3 0 9995
2 33446 97.9039 149.0990 0015176 24.3459 335.8468 14.82161421898897