Key statistics
Satellite RADIO 5 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 5.
Object identification
Identified? True
Debris? False
Object name: RADIO 5
International designator: 1981-120C
Object number (NORAD): 12999
Object ID (CCSDS): 12999
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 119.473 minutes
Inclination: 82.957 deg
SMA: 8035.394 km
Apoapsis: 1667.918 km
Periapsis: 1646.6 km
RAAN: 270.6514 deg
Eccentricy: 0.0013265
Argument of periapsis: 295.933 deg
Mean anomaly: 75.0836 deg
Mean motion: 12.05291191 rev/day
Mean motion (dot): -0.00000072 rev/day2
B* drag term: -0.00094821 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, 11:21 a.m. UTC
TLE line 0: 0 RADIO 5
TLE line 1: 1 12999U 81120C 25192.47352812 -.00000072 00000-0 -94821-3 0 9991
TLE line 2: 2 12999 82.9570 270.6514 0013265 295.9330 75.0836 12.05291191916530
Live tracking on map
Real-time ground track for satellite RADIO 5.
In-orbit conjunctions
There are no conjunctions computed for RADIO 5, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
6 Soviet amateur radio satellites
RADIO 5 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
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