Key statistics
Satellite SL-12 R/B(2) at a glance.
Uptime
13564
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: 1988-043F
Object number (NORAD): 19168
Object ID (CCSDS): 19168
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 674.478 minutes
Inclination: 64.7946 deg
SMA: 25476.429 km
Apoapsis: 19130.155 km
Periapsis: 19066.433 km
RAAN: 83.1707 deg
Eccentricy: 0.0012506
Argument of periapsis: 221.8027 deg
Mean anomaly: 276.6737 deg
Mean motion: 2.13498553 rev/day
Mean motion (dot): -0.00000024 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: July 9, 2025, 2:22 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 8, 2025, 5:52 p.m. UTC
TLE line 0: 0 SL-12 R/B(2)
TLE line 1: 1 19168U 88043F 25189.74500903 -.00000024 00000-0 00000-0 0 9998
TLE line 2: 2 19168 64.7946 83.1707 0012506 221.8027 276.6737 2.13498553289439
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 26 to 28’, on board a Proton space rocket.
The launch took place on May 21, 1988, 5:57 p.m. from 200/39 (200L).
For more information about the launch, click the button.

Proton | Uragan 26 to 28
Agency: N/A
Status: Launch Successful
Launch date: May 21, 1988, 5:57 p.m. UTC
Rocket: Proton
Launch pad: 200/39 (200L)
Location: Baikonur Cosmodrome, Republic of Kazakhstan
...
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