Key statistics
Satellite RADIO 7 at a glance.
Uptime
16029
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: 82.9568 deg
SMA: 8019.197 km
Apoapsis: 1660.385 km
Periapsis: 1621.739 km
RAAN: 145.8795 deg
Eccentricy: 0.0024096
Argument of periapsis: 111.9096 deg
Mean anomaly: 258.9033 deg
Mean motion: 12.08944636 rev/day
Mean motion (dot): 0.00000134 rev/day2
B* drag term: 0.0013775 1/REarth
Two-line elements (TLE)
Creation date: Nov. 4, 2025, 11:56 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Nov. 4, 2025, 8:08 p.m. UTC
TLE line 0: 0 RADIO 7
TLE line 1: 1 13001U 81120E 25308.83933961 .00000134 00000-0 13775-2 0 9990
TLE line 2: 2 13001 82.9568 145.8795 0024096 111.9096 258.9033 12.08944636936339
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
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