Key statistics
Satellite SL-6 R/B(2) at a glance.
Uptime
14650
Days in orbit
Revolutions
≈ 2.0
Per day
Orbit
HEO
HEO
Inclination
62.8
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: 731.426 minutes
Inclination: 62.8473 deg
SMA: 26891.003 km
Apoapsis: 40622.445 km
Periapsis: 403.292 km
RAAN: 343.8098 deg
Eccentricy: 0.747818
Argument of periapsis: 253.5726 deg
Mean anomaly: 19.3859 deg
Mean motion: 1.96875761 rev/day
Mean motion (dot): 0.00000799 rev/day2
B* drag term: 0.00028802 1/REarth
Two-line elements (TLE)
Creation date: July 8, 2025, 2:27 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 7, 2025, 10:53 a.m. UTC
TLE line 0: 0 SL-6 R/B(2)
TLE line 1: 1 15741U 85040D 25188.45382871 .00000799 00000-0 28802-3 0 9995
TLE line 2: 2 15741 62.8473 343.8098 7478180 253.5726 19.3859 1.96875761288216
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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