Key statistics
Satellite SL-6 R/B(2) at a glance.
Uptime
14753
Days in orbit
Revolutions
≈ 2.0
Per day
Orbit
HEO
HEO
Inclination
62.6
Latest
Satellite identification and parameters
Extended collection of information and parameters for SL-6 R/B(2).
Object identification
Identified? True
Debris? False
Object name: SL-6 R/B(2)
International designator: 1985-040D
Object number (NORAD): 15741
Object ID (CCSDS): 15741
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 731.274 minutes
Inclination: 62.6315 deg
SMA: 26887.289 km
Apoapsis: 40617.123 km
Periapsis: 401.185 km
RAAN: 327.3049 deg
Eccentricy: 0.74786154
Argument of periapsis: 254.7216 deg
Mean anomaly: 18.6761 deg
Mean motion: 1.96916562 rev/day
Mean motion (dot): -0.00000577 rev/day2
B* drag term: 0.00069269075 1/REarth
Two-line elements (TLE)
Creation date: Oct. 18, 2025, 10:30 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 18, 2025, 1 a.m. UTC
TLE line 0: 0 SL-6 R/B(2)
TLE line 1: 1 15741U 85040D 25291.04216980 -.00000577 00000-0 69269-3 0 9999
TLE line 2: 2 15741 62.6315 327.3049 7478615 254.7216 18.6761 1.96916562290236
Live tracking on map
Real-time ground track for satellite SL-6 R/B(2).
In-orbit conjunctions
There are no conjunctions computed for SL-6 R/B(2), at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Molniya communication satellites operating from a highly elliptical orbit
SL-6 R/B(2) was lifted into orbit during the mission ‘Molniya-M | Molniya-3 39L’, on board a Molniya-M space rocket.
The launch took place on May 29, 1985, 7:40 a.m. from 43/4 (43R).
For more information about the launch, click the button.
Molniya-M | Molniya-3 39L
Agency: N/A
Status: Launch Successful
Launch date: May 29, 1985, 7:40 a.m. UTC
Rocket: Molniya-M
Launch pad: 43/4 (43R)
Location: Plesetsk Cosmodrome, Russian Federation
...
Latest news about this satellite
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