Key statistics
Satellite SL-12 R/B(2) at a glance.
Uptime
12324
Days in orbit
Revolutions
≈ 2.1
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
64.8
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: 64.7587 deg
SMA: 25498.872 km
Apoapsis: 19139.952 km
Periapsis: 19101.521 km
RAAN: 77.6233 deg
Eccentricy: 0.0007536
Argument of periapsis: 51.2874 deg
Mean anomaly: 302.2637 deg
Mean motion: 2.13216751 rev/day
Mean motion (dot): -0.00000002 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: Oct. 23, 2025, 10:16 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 23, 2025, 7:51 a.m. UTC
TLE line 0: 0 SL-12 R/B(2)
TLE line 1: 1 21858U 92005F 25296.32753148 -.00000002 00000-0 00000+0 0 9999
TLE line 2: 2 21858 64.7587 77.6233 0007536 51.2874 302.2637 2.13216751251301
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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