Key statistics
Satellite SL-8 R/B at a glance.
Uptime
14970
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: 1984-100B
Object number (NORAD): 15293
Object ID (CCSDS): 15293
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.698 minutes
Inclination: 82.9442 deg
SMA: 7358.431 km
Apoapsis: 996.024 km
Periapsis: 964.569 km
RAAN: 341.3759 deg
Eccentricy: 0.0021373
Argument of periapsis: 323.9092 deg
Mean anomaly: 36.062 deg
Mean motion: 13.75386929 rev/day
Mean motion (dot): 0.00000083 rev/day2
B* drag term: 0.000070525073 1/REarth
Two-line elements (TLE)
Creation date: Sept. 8, 2025, 3:16 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 7, 2025, 6:23 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 15293U 84100B 25250.76651173 .00000083 00000-0 70525-4 0 9997
TLE line 2: 2 15293 82.9442 341.3759 0021373 323.9092 36.0620 13.75386929 298
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
Film-return reconnaissance satellite
SL-8 R/B was lifted into orbit during the mission ‘Soyuz U | Zenit-4MKT 26 (Kosmos 1597)’, on board a Soyuz U space rocket.
The launch took place on Sept. 13, 1984, 10:25 a.m. from 43/4 (43R).
For more information about the launch, click the button.
Soyuz U | Zenit-4MKT 26 (Kosmos 1597)
Agency: N/A
Status: Launch Successful
Launch date: Sept. 13, 1984, 10:25 a.m. UTC
Rocket: Soyuz U
Launch pad: 43/4 (43R)
Location: Plesetsk Cosmodrome, Russian Federation
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