Key statistics
Satellite SL-8 R/B at a glance.
Uptime
14899
Days in orbit
Revolutions
≈ 13.8
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: 1984-118B
Object number (NORAD): 15399
Object ID (CCSDS): 15399
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.619 minutes
Inclination: 82.9453 deg
SMA: 7354.76 km
Apoapsis: 1002.201 km
Periapsis: 951.049 km
RAAN: 302.1331 deg
Eccentricy: 0.00347754
Argument of periapsis: 60.1127 deg
Mean anomaly: 61.4207 deg
Mean motion: 13.76416933 rev/day
Mean motion (dot): 0.00000059 rev/day2
B* drag term: 0.000043955693 1/REarth
Two-line elements (TLE)
Creation date: Aug. 31, 2025, 2:26 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 30, 2025, 5:30 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 15399U 84118B 25242.72949414 .00000059 00000-0 43956-4 0 9999
TLE line 2: 2 15399 82.9453 302.1331 0034775 60.1127 61.4207 13.76416933 47875
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 47’, on board a Kosmos-3M space rocket.
The launch took place on Nov. 15, 1984, 6:40 a.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Parus 47
Agency: N/A
Status: Launch Successful
Launch date: Nov. 15, 1984, 6:40 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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