Key statistics
Satellite SL-12 R/B(2) at a glance.
Uptime
12216
Days in orbit
Revolutions
≈ 2.1
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
64.7
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: 1992-005F
Object number (NORAD): 21858
Object ID (CCSDS): 21858
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 675.369 minutes
Inclination: 64.691 deg
SMA: 25498.866 km
Apoapsis: 19140.051 km
Periapsis: 19101.41 km
RAAN: 81.3912 deg
Eccentricy: 0.0007577
Argument of periapsis: 44.2931 deg
Mean anomaly: 135.6825 deg
Mean motion: 2.13216821 rev/day
Mean motion (dot): -0.00000051 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 4:10 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 5, 2025, 7:44 p.m. UTC
TLE line 0: 0 SL-12 R/B(2)
TLE line 1: 1 21858U 92005F 25186.82260903 -.00000051 00000-0 00000-0 0 9999
TLE line 2: 2 21858 64.6910 81.3912 0007577 44.2931 135.6825 2.13216821248971
Live tracking on map
Real-time ground track for satellite 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 45 to 47’, on board a Proton space rocket.
The launch took place on Jan. 29, 1992, 10:19 p.m. from 81/23 (81L).
For more information about the launch, click the button.
Proton | Uragan 45 to 47
Agency: N/A
Status: Launch Successful
Launch date: Jan. 29, 1992, 10:19 p.m. UTC
Rocket: Proton
Launch pad: 81/23 (81L)
Location: Baikonur Cosmodrome, Republic of Kazakhstan
...
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