Key statistics
Satellite RADIO 7 at a glance.
Uptime
15974
Days in orbit
Revolutions
≈ 12.1
Per day
Orbit
LEO
Low Earth Orbit
Inclination
83.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for RADIO 7.
Object identification
Identified? True
Debris? False
Object name: RADIO 7
International designator: 1981-120E
Object number (NORAD): 13001
Object ID (CCSDS): 13001
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 119.112 minutes
Inclination: 82.9641 deg
SMA: 8019.201 km
Apoapsis: 1659.04 km
Periapsis: 1623.091 km
RAAN: 175.9861 deg
Eccentricy: 0.00224146
Argument of periapsis: 225.9774 deg
Mean anomaly: 189.2333 deg
Mean motion: 12.08943883 rev/day
Mean motion (dot): 0.00000036 rev/day2
B* drag term: 0.0002980575 1/REarth
Two-line elements (TLE)
Creation date: Sept. 11, 2025, 3:57 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 10, 2025, 7:36 p.m. UTC
TLE line 0: 0 RADIO 7
TLE line 1: 1 13001U 81120E 25253.81670037 .00000036 00000-0 29806-3 0 9993
TLE line 2: 2 13001 82.9641 175.9861 0022415 225.9774 189.2333 12.08943883929683
Live tracking on map
Real-time ground track for satellite RADIO 7.
Associated space launch
6 Soviet amateur radio satellites
RADIO 7 was lifted into orbit during the mission ‘Kosmos-3M | Radio Sputnik 3 to 8’, on board a Kosmos-3M space rocket.
The launch took place on Dec. 17, 1981, 11 a.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Radio Sputnik 3 to 8
Agency: N/A
Status: Launch Successful
Launch date: Dec. 17, 1981, 11 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
...
Latest news about this satellite
There are no fresh news available about this satellite. Check back as we update our databases every day.
Newsletter sign-up
Weekly statistics, charts and insights to help you stay on top of the space industry.
