Key statistics
Satellite SL-8 R/B at a glance.
Uptime
14182
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: 1986-052B
Object number (NORAD): 16864
Object ID (CCSDS): 16864
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 99.86 minutes
Inclination: 74.0267 deg
SMA: 7129.988 km
Apoapsis: 775.766 km
Periapsis: 727.94 km
RAAN: 149.43 deg
Eccentricy: 0.0033539
Argument of periapsis: 260.1352 deg
Mean anomaly: 99.6017 deg
Mean motion: 14.42014328 rev/day
Mean motion (dot): 0.0000035 rev/day2
B* drag term: 0.0001142 1/REarth
Two-line elements (TLE)
Creation date: May 13, 2025, 6:58 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 13, 2025, noon UTC
TLE line 0: 0 SL-8 R/B
TLE line 1: 1 16864U 86052B 25133.50050766 .00000350 00000-0 11420-3 0 9998
TLE line 2: 2 16864 74.0267 149.4300 0033539 260.1352 99.6017 14.42014328 38503
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 39’, on board a Kosmos-3M space rocket.
The launch took place on July 16, 1986, 4:21 a.m. from 133/3 (133L).
For more information about the launch, click the button.
Kosmos-3M | Strela-2M 39
Agency: N/A
Status: Launch Successful
Launch date: July 16, 1986, 4:21 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 133/3 (133L)
Location: Plesetsk Cosmodrome, Russian Federation
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