Key statistics
Satellite SL-12 R/B(2) at a glance.
Uptime
8731
Days in orbit
Revolutions
≈ 2.1
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
64.0
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: 2001-053F
Object number (NORAD): 26992
Object ID (CCSDS): 26992
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 674.17 minutes
Inclination: 63.9609 deg
SMA: 25468.682 km
Apoapsis: 19133.141 km
Periapsis: 19047.953 km
RAAN: 64.197 deg
Eccentricy: 0.0016724
Argument of periapsis: 265.9573 deg
Mean anomaly: 99.8612 deg
Mean motion: 2.1359597 rev/day
Mean motion (dot): -0.00000011 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: Oct. 26, 2025, 2:54 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 25, 2025, 8:41 a.m. UTC
TLE line 0: 0 SL-12 R/B(2)
TLE line 1: 1 26992U 01053F 25298.36234823 -.00000011 00000-0 00000-0 0 9997
TLE line 2: 2 26992 63.9609 64.1970 0016724 265.9573 99.8612 2.13595970186480
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
GLONASS navigation satellites
SL-12 R/B(2) was lifted into orbit during the mission ‘Proton | Uragan 78, 79 & Uragan-M 1’, on board a Proton space rocket.
The launch took place on Dec. 1, 2001, 6:04 p.m. from 81/24 (81P).
For more information about the launch, click the button.
Proton | Uragan 78, 79 & Uragan-M 1
Agency: N/A
Status: Launch Successful
Launch date: Dec. 1, 2001, 6:04 p.m. UTC
Rocket: Proton
Launch pad: 81/24 (81P)
Location: Baikonur Cosmodrome, Republic of Kazakhstan
...
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