Key statistics
Satellite SL-8 R/B at a glance.
Uptime
14396
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: 1986-037B
Object number (NORAD): 16728
Object ID (CCSDS): 16728
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.572 minutes
Inclination: 82.9546 deg
SMA: 7352.539 km
Apoapsis: 996.297 km
Periapsis: 952.51 km
RAAN: 236.9635 deg
Eccentricy: 0.00297764
Argument of periapsis: 316.7279 deg
Mean anomaly: 109.7072 deg
Mean motion: 13.77040724 rev/day
Mean motion (dot): 0.00000064 rev/day2
B* drag term: 0.000049582297 1/REarth
Two-line elements (TLE)
Creation date: Oct. 21, 2025, 3:26 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 20, 2025, 10:46 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 16728U 86037B 25293.94882513 .00000064 00000-0 49582-4 0 9991
TLE line 2: 2 16728 82.9546 236.9635 0029776 316.7279 109.7072 13.77040724979691
Live tracking on map
Real-time ground track for satellite 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 54’, on board a Kosmos-3M space rocket.
The launch took place on May 23, 1986, 12:54 p.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Parus 54
Agency: N/A
Status: Launch Successful
Launch date: May 23, 1986, 12:54 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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