Key statistics
Satellite SL-8 R/B at a glance.
Uptime
14145
Days in orbit
Revolutions
≈ 13.7
Per day
Orbit
LEO
Low Earth Orbit
Inclination
82.9
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: 1986-100B
Object number (NORAD): 17240
Object ID (CCSDS): 17240
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.784 minutes
Inclination: 82.9363 deg
SMA: 7362.471 km
Apoapsis: 1006.924 km
Periapsis: 961.747 km
RAAN: 343.0758 deg
Eccentricy: 0.00306806
Argument of periapsis: 131.8517 deg
Mean anomaly: 346.3857 deg
Mean motion: 13.74255197 rev/day
Mean motion (dot): 0.00000093 rev/day2
B* drag term: 0.000082495334 1/REarth
Two-line elements (TLE)
Creation date: Sept. 7, 2025, 3:09 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 6, 2025, 7:44 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 17240U 86100B 25249.82264159 .00000093 00000-0 82495-4 0 9992
TLE line 2: 2 17240 82.9363 343.0758 0030681 131.8517 346.3857 13.74255197582422
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 57’, on board a Kosmos-3M space rocket.
The launch took place on Dec. 17, 1986, 5:02 p.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Parus 57
Agency: N/A
Status: Launch Successful
Launch date: Dec. 17, 1986, 5:02 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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