Key statistics
Satellite SL-8 R/B at a glance.
Uptime
16897
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: 1979-046B
Object number (NORAD): 11379
Object ID (CCSDS): 11379
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.52 minutes
Inclination: 82.9408 deg
SMA: 7350.094 km
Apoapsis: 988.722 km
Periapsis: 955.196 km
RAAN: 236.7705 deg
Eccentricy: 0.00228066
Argument of periapsis: 81.3889 deg
Mean anomaly: 339.6789 deg
Mean motion: 13.77727805 rev/day
Mean motion (dot): 0.00000117 rev/day2
B* drag term: 0.0001017763 1/REarth
Two-line elements (TLE)
Creation date: Sept. 3, 2025, 2:21 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 2, 2025, 10:03 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 11379U 79046B 25245.91883514 .00000117 00000-0 10178-3 0 9993
TLE line 2: 2 11379 82.9408 236.7705 0022807 81.3889 339.6789 13.77727805286547
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
Optical film-return reconnaissance satellite
SL-8 R/B was lifted into orbit during the mission ‘Soyuz U | Zenit-6U 7’, on board a Soyuz U space rocket.
The launch took place on May 31, 1979, 4:30 p.m. from 43/3 (43L).
For more information about the launch, click the button.
Soyuz U | Zenit-6U 7
Agency: N/A
Status: Launch Successful
Launch date: May 31, 1979, 4:30 p.m. UTC
Rocket: Soyuz U
Launch pad: 43/3 (43L)
Location: Plesetsk Cosmodrome, Russian Federation
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