Key statistics
Satellite SL-8 R/B at a glance.
Uptime
16104
Days in orbit
Revolutions
≈ 13.8
Per day
Orbit
LEO
Low Earth Orbit
Inclination
83.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for SL-8 R/B.
Object identification
Identified? True
Debris? False
Object name: SL-8 R/B
International designator: 1981-053B
Object number (NORAD): 12508
Object ID (CCSDS): 12508
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.605 minutes
Inclination: 82.9592 deg
SMA: 7354.104 km
Apoapsis: 1002.398 km
Periapsis: 949.541 km
RAAN: 124.1563 deg
Eccentricy: 0.0035937
Argument of periapsis: 259.5976 deg
Mean anomaly: 100.1129 deg
Mean motion: 13.7660099 rev/day
Mean motion (dot): 0.0000005 rev/day2
B* drag term: 0.000035309 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 7:08 a.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 12508U 81053B 25187.29786309 .00000050 00000-0 35309-4 0 9999
TLE line 2: 2 12508 82.9592 124.1563 0035937 259.5976 100.1129 13.76600990219822
Live tracking on map
Real-time ground track for satellite SL-8 R/B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object SL-8 R/B.
Associated space launch
Navigation satellite providing location information for the Tsiklon-B navigation system
SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | Parus 27’, on board a Kosmos-3M space rocket.
The launch took place on June 4, 1981, 3:41 p.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Parus 27
Agency: N/A
Status: Launch Successful
Launch date: June 4, 1981, 3:41 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
...
Latest news about this satellite
There are no fresh news available about this satellite. Check back as we update our databases every day.
Newsletter sign-up
Weekly statistics, charts and insights to help you stay on top of the space industry.
