Key statistics
Satellite SL-12 R/B(2) at a glance.
Uptime
8795
Days in orbit
Revolutions
≈ 1.0
Per day
Orbit
OTHER
Other
Inclination
13.7
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: 2001-045D
Object number (NORAD): 26939
Object ID (CCSDS): 26939
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 1436.445 minutes
Inclination: 13.7153 deg
SMA: 42171.553 km
Apoapsis: 35893.053 km
Periapsis: 35693.784 km
RAAN: 13.7793 deg
Eccentricy: 0.0023626
Argument of periapsis: 23.7012 deg
Mean anomaly: 292.004 deg
Mean motion: 1.00247458 rev/day
Mean motion (dot): -0.00000312 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: Nov. 2, 2025, 5:06 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Nov. 2, 2025, 12:24 p.m. UTC
TLE line 0: 0 SL-12 R/B(2)
TLE line 1: 1 26939U 01045D 25306.51710097 -.00000312 00000-0 00000+0 0 9991
TLE line 2: 2 26939 13.7153 13.7793 0023626 23.7012 292.0040 1.00247458 88458
Live tracking on map
Real-time ground track for satellite SL-12 R/B(2).
Associated space launch
Military geostationary communications satellite
SL-12 R/B(2) was lifted into orbit during the mission ‘Proton | Raduga-1 6’, on board a Proton space rocket.
The launch took place on Oct. 6, 2001, 4:45 p.m. from 81/24 (81P).
For more information about the launch, click the button.
Proton | Raduga-1 6
Agency: N/A
Status: Launch Successful
Launch date: Oct. 6, 2001, 4:45 p.m. UTC
Rocket: Proton
Launch pad: 81/24 (81P)
Location: Baikonur Cosmodrome, Republic of Kazakhstan
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