USA 181
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
716.20 km
Apogee
1491.30 km
Inclination
63.4°
Period
108.8 min
Semi-major axis
7481.9 km
Velocity
7.24 km/s
Mission timeline
Launch time
2005-02-03 00:00:00
Decayed time
2005-02-03 00:00:00
Transmitters
Telemetry decoder USA 181
Decoder name
Decoder fields
Data for the last 30 days
Orbital Elements
Last two-line elements (TLE)
TLE source
McCants
TLE updated
2025-07-30 18:56:35
Two-line elements (TLE)
1 28537U 05004A 25210.93972565 0.00000000 00000-0 00000-0 0 03
2 28537 63.3900 172.4942 0517981 3.7250 356.2749 13.41171113 04