Key statistics
Satellite SL-8 R/B at a glance.
Uptime
14486
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: 1986-030B
Object number (NORAD): 16682
Object ID (CCSDS): 16682
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 100.191 minutes
Inclination: 74.0256 deg
SMA: 7145.727 km
Apoapsis: 778.678 km
Periapsis: 756.506 km
RAAN: 289.8611 deg
Eccentricy: 0.00155143
Argument of periapsis: 239.1818 deg
Mean anomaly: 232.0291 deg
Mean motion: 14.37252723 rev/day
Mean motion (dot): 0.00000484 rev/day2
B* drag term: 0.00017097929 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 10:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 7:39 a.m. UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 16682U 86030B 25346.31901795 .00000484 00000-0 17098-3 0 9999
TLE line 2: 2 16682 74.0256 289.8611 0015514 239.1818 232.0291 14.37252723 75908
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 38’, on board a Kosmos-3M space rocket.
The launch took place on April 17, 1986, 9:02 p.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Strela-2M 38
Agency: N/A
Status: Launch Successful
Launch date: April 17, 1986, 9:02 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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