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
608.80 km
Apogee
630.33 km
Inclination
97.9°
Period
98.4 min
Semi-major axis
6997.7 km
Velocity
7.54 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
2025-08-03 17:33:27
Two-line elements (TLE)
1 33446U 08061A 25215.38435549 .00001216 00000+0 15904-3 0 9992
2 33446 97.9039 146.9653 0015340 30.9096 329.3017 14.82156560898573