Key statistics
Satellite SL-8 R/B at a glance.
Uptime
16999
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: 104.519 minutes
Inclination: 82.9431 deg
SMA: 7350.031 km
Apoapsis: 987.893 km
Periapsis: 955.899 km
RAAN: 162.3254 deg
Eccentricy: 0.0021765
Argument of periapsis: 157.377 deg
Mean anomaly: 314.8783 deg
Mean motion: 13.77745546 rev/day
Mean motion (dot): 0.00000111 rev/day2
B* drag term: 0.000095382 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 7:16 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 12:06 a.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 11379U 79046B 25346.00480381 .00000111 00000-0 95382-4 0 9995
TLE line 2: 2 11379 82.9431 162.3254 0021765 157.3770 314.8783 13.77745546300325
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
...
Latest news about this satellite
There are no fresh news available about this satellite. Check back as we update our databases every day.
Newsletter sign-up
Weekly statistics, charts and insights to help you stay on top of the space industry.
