Key statistics
Satellite SL-12 R/B(2) at a glance.
Uptime
8622
Days in orbit
Revolutions
≈ 1.0
Per day
Orbit
OTHER
Other
Inclination
13.6
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: 1435.374 minutes
Inclination: 13.5851 deg
SMA: 42150.571 km
Apoapsis: 35881.278 km
Periapsis: 35663.595 km
RAAN: 15.0508 deg
Eccentricy: 0.0025822
Argument of periapsis: 22.2148 deg
Mean anomaly: 195.6872 deg
Mean motion: 1.00322319 rev/day
Mean motion (dot): -0.00000267 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: May 14, 2025, 8:26 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 14, 2025, 5:50 p.m. UTC
TLE line 0: 0 SL-12 R/B(2)
TLE line 1: 1 26939U 01045D 25134.74323355 -.00000267 00000-0 00000+0 0 9991
TLE line 2: 2 26939 13.5851 15.0508 0025822 22.2148 195.6872 1.00322319 86857
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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