Key statistics
Satellite SL-12 R/B(2) at a glance.
Uptime
14704
Days in orbit
Revolutions
≈ 14.2
Per day
Orbit
LEO
Low Earth Orbit
Inclination
71.1
Latest
Satellite identification and parameters
Extended collection of information and parameters for SL-12 R/B(2).
Object identification
Identified? True
Debris? False
Object name: SL-12 R/B(2)
International designator: 1985-042D
Object number (NORAD): 15772
Object ID (CCSDS): 15772
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 101.272 minutes
Inclination: 71.1083 deg
SMA: 7197.05 km
Apoapsis: 842.898 km
Periapsis: 794.932 km
RAAN: 130.7568 deg
Eccentricy: 0.00333236
Argument of periapsis: 60.7525 deg
Mean anomaly: 14.9793 deg
Mean motion: 14.21906342 rev/day
Mean motion (dot): 0.00000084 rev/day2
B* drag term: 0.000059047838 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, 9:56 p.m. UTC
TLE line 0: 0 SL-12 R/B(2)
TLE line 1: 1 15772U 85042D 25242.91450042 .00000084 00000-0 59048-4 0 9993
TLE line 2: 2 15772 71.1083 130.7568 0033324 60.7525 14.9793 14.21906342 87273
Live tracking on map
Real-time ground track for satellite SL-12 R/B(2).
In-orbit conjunctions
A list of the most updated potential collisions computed for object SL-12 R/B(2).
Associated space launch
Second generation ELING satellite
SL-12 R/B(2) 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
...
Latest news about this satellite
There are no fresh news available about this satellite. Check back as we update our databases every day.
Newsletter sign-up
Weekly statistics, charts and insights to help you stay on top of the space industry.
