Key statistics
Satellite SL-8 R/B at a glance.
Uptime
17781
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: 1977-013B
Object number (NORAD): 9848
Object ID (CCSDS): 9848
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.671 minutes
Inclination: 82.9506 deg
SMA: 7357.186 km
Apoapsis: 991.253 km
Periapsis: 966.849 km
RAAN: 243.6574 deg
Eccentricy: 0.00165854
Argument of periapsis: 359.1638 deg
Mean anomaly: 64.2021 deg
Mean motion: 13.75736237 rev/day
Mean motion (dot): 0.00000158 rev/day2
B* drag term: 0.00014813133 1/REarth
Two-line elements (TLE)
Creation date: Oct. 28, 2025, 2:18 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 27, 2025, 10:16 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 09848U 77013B 25300.92786454 .00000158 00000-0 14813-3 0 9996
TLE line 2: 2 09848 82.9506 243.6574 0016585 359.1638 64.2021 13.75736237443013
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 8’, on board a Kosmos-3M space rocket.
The launch took place on Feb. 21, 1977, 5:20 p.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Parus 8
Agency: N/A
Status: Launch Successful
Launch date: Feb. 21, 1977, 5:20 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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