Key statistics
Satellite SL-12 R/B(AUX MOTOR) at a glance.
Uptime
20051
Days in orbit
Revolutions
≈ 9.1
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
51.6
Latest
Satellite identification and parameters
Extended collection of information and parameters for SL-12 R/B(AUX MOTOR).
Object identification
Identified? True
Debris? False
Object name: SL-12 R/B(AUX MOTOR)
International designator: 1970-103C
Object number (NORAD): 4790
Object ID (CCSDS): 4790
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 159.108 minutes
Inclination: 51.5965 deg
SMA: 9726.446 km
Apoapsis: 5088.043 km
Periapsis: 1608.578 km
RAAN: 328.28 deg
Eccentricy: 0.1788662
Argument of periapsis: 185.919 deg
Mean anomaly: 171.74 deg
Mean motion: 9.050478 rev/day
Mean motion (dot): -0.00000119 rev/day2
B* drag term: -0.0045338 1/REarth
Two-line elements (TLE)
Creation date: Oct. 23, 2025, 10:06 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 23, 2025, 11:32 a.m. UTC
TLE line 0: 0 SL-12 R/B(AUX MOTOR)
TLE line 1: 1 4790U 70103C 25296.48092309 -.00000119 00000-0 -45338-2 0 9998
TLE line 2: 2 4790 51.5965 328.2800 1788662 185.9190 171.7400 9.05047800814665
Live tracking on map
Real-time ground track for satellite SL-12 R/B(AUX MOTOR).
In-orbit conjunctions
There are no conjunctions computed for SL-12 R/B(AUX MOTOR), at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Satellites designed to test the L1 and Blok-D systems for lunar missions.
SL-12 R/B(AUX MOTOR) was lifted into orbit during the mission ‘Proton | L1E 2K’, on board a Proton space rocket.
The launch took place on Dec. 2, 1970, 5 p.m. from 81/23 (81L).
For more information about the launch, click the button.
Proton | L1E 2K
Agency: N/A
Status: Launch Successful
Launch date: Dec. 2, 1970, 5 p.m. UTC
Rocket: Proton
Launch pad: 81/23 (81L)
Location: Baikonur Cosmodrome, Republic of Kazakhstan
...
Latest news about this satellite
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