Key statistics
Satellite SL-12 R/B(AUX MOTOR) at a glance.
Uptime
14703
Days in orbit
Revolutions
≈ 14.3
Per day
Orbit
LEO
Low Earth Orbit
Inclination
66.6
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: 1985-042E
Object number (NORAD): 15773
Object ID (CCSDS): 15773
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 100.841 minutes
Inclination: 66.5901 deg
SMA: 7176.584 km
Apoapsis: 816.679 km
Periapsis: 780.219 km
RAAN: 329.1106 deg
Eccentricy: 0.00254022
Argument of periapsis: 74.978 deg
Mean anomaly: 40.6901 deg
Mean motion: 14.27993028 rev/day
Mean motion (dot): 0.00000186 rev/day2
B* drag term: 0.00010937025 1/REarth
Two-line elements (TLE)
Creation date: Aug. 31, 2025, 2:26 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 30, 2025, 3:20 p.m. UTC
TLE line 0: 0 SL-12 R/B(AUX MOTOR)
TLE line 1: 1 15773U 85042E 25242.63895616 .00000186 00000-0 10937-3 0 9999
TLE line 2: 2 15773 66.5901 329.1106 0025402 74.9780 40.6901 14.27993028 94471
Live tracking on map
Real-time ground track for satellite SL-12 R/B(AUX MOTOR).
In-orbit conjunctions
A list of the most updated potential collisions computed for object SL-12 R/B(AUX MOTOR).
Associated space launch
Second generation ELING satellite
SL-12 R/B(AUX MOTOR) was lifted into orbit during the mission ‘Proton | Tselina-2 2’, on board a Proton space rocket.
The launch took place on May 30, 1985, 2:59 p.m. from 200/40.
For more information about the launch, click the button.

Proton | Tselina-2 2
Agency: N/A
Status: Launch Successful
Launch date: May 30, 1985, 2:59 p.m. UTC
Rocket: Proton
Launch pad: 200/40
Location: Baikonur Cosmodrome, Republic of Kazakhstan
...
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