Key statistics
Satellite SL-8 R/B at a glance.
Uptime
14123
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.0
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: 1986-070B
Object number (NORAD): 16953
Object ID (CCSDS): 16953
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 100.097 minutes
Inclination: 74.0129 deg
SMA: 7141.23 km
Apoapsis: 772.4 km
Periapsis: 753.789 km
RAAN: 358.9943 deg
Eccentricy: 0.0013031
Argument of periapsis: 253.1043 deg
Mean anomaly: 106.8682 deg
Mean motion: 14.38610605 rev/day
Mean motion (dot): 0.00000226 rev/day2
B* drag term: 0.000082326 1/REarth
Two-line elements (TLE)
Creation date: May 11, 2025, 2:40 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 10, 2025, 9:20 p.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 16953U 86070B 25130.88911211 .00000226 00000-0 82326-4 0 9992
TLE line 2: 2 16953 74.0129 358.9943 0013031 253.1043 106.8682 14.38610605 26346
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
Military communications satellite
SL-8 R/B was lifted into orbit during the mission ‘Kosmos-3M | Strela-2M 40’, on board a Kosmos-3M space rocket.
The launch took place on Sept. 10, 1986, 1:45 a.m. from 133/3 (133L).
For more information about the launch, click the button.
Kosmos-3M | Strela-2M 40
Agency: N/A
Status: Launch Successful
Launch date: Sept. 10, 1986, 1:45 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 133/3 (133L)
Location: Plesetsk Cosmodrome, Russian Federation
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