Key statistics
Satellite RADIO 7 at a glance.
Uptime
15914
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: 82.9571 deg
SMA: 8019.204 km
Apoapsis: 1659.886 km
Periapsis: 1622.252 km
RAAN: 209.5347 deg
Eccentricy: 0.0023465
Argument of periapsis: 357.0327 deg
Mean anomaly: 121.7266 deg
Mean motion: 12.08943097 rev/day
Mean motion (dot): 0.00000019 rev/day2
B* drag term: 0.00010231 1/REarth
Two-line elements (TLE)
Creation date: July 11, 2025, 6:37 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 11, 2025, 12:12 p.m. UTC
TLE line 0: 0 RADIO 7
TLE line 1: 1 13001U 81120E 25192.50894491 .00000019 00000-0 10231-3 0 9996
TLE line 2: 2 13001 82.9571 209.5347 0023465 357.0327 121.7266 12.08943097922276
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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