Key statistics
Satellite RADIO 8 at a glance.
Uptime
16029
Days in orbit
Revolutions
≈ 12.0
Per day
Orbit
LEO
Low Earth Orbit
Inclination
83.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for RADIO 8.
Object identification
Identified? True
Debris? False
Object name: RADIO 8
International designator: 1981-120B
Object number (NORAD): 12998
Object ID (CCSDS): 12998
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 119.682 minutes
Inclination: 82.9584 deg
SMA: 8044.738 km
Apoapsis: 1681.168 km
Periapsis: 1652.038 km
RAAN: 242.4021 deg
Eccentricy: 0.0018105
Argument of periapsis: 221.2815 deg
Mean anomaly: 160.7555 deg
Mean motion: 12.03192025 rev/day
Mean motion (dot): -0.00000069 rev/day2
B* drag term: -0.00092708 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, 5:56 p.m. UTC
TLE line 0: 0 RADIO 8
TLE line 1: 1 12998U 81120B 25308.74765779 -.00000069 00000-0 -92708-3 0 9997
TLE line 2: 2 12998 82.9584 242.4021 0018105 221.2815 160.7555 12.03192025927178
Live tracking on map
Real-time ground track for satellite RADIO 8.
Associated space launch
6 Soviet amateur radio satellites
RADIO 8 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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