Key statistics
Satellite SL-12 R/B(2) at a glance.
Uptime
10631
Days in orbit
Revolutions
≈ 1.0
Per day
Orbit
OTHER
Other
Inclination
14.4
Latest
Satellite identification and parameters
Extended collection of information and parameters for SL-12 R/B(2).
Object identification
Identified? True
Debris? False
Object name: SL-12 R/B(2)
International designator: 1996-058D
Object number (NORAD): 24438
Object ID (CCSDS): 24438
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 1437.273 minutes
Inclination: 14.4326 deg
SMA: 42187.741 km
Apoapsis: 35843.398 km
Periapsis: 35775.814 km
RAAN: 352.7738 deg
Eccentricy: 0.00080099
Argument of periapsis: 139.1395 deg
Mean anomaly: 286.7464 deg
Mean motion: 1.00189765 rev/day
Mean motion (dot): -0.00000004 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: Nov. 2, 2025, 5:34 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Nov. 1, 2025, 8:44 p.m. UTC
TLE line 0: 0 SL-12 R/B(2)
TLE line 1: 1 24438U 96058D 25305.86420072 -.00000004 00000-0 00000-0 0 9998
TLE line 2: 2 24438 14.4326 352.7738 0008010 139.1395 286.7464 1.00189765106560
Live tracking on map
Real-time ground track for satellite SL-12 R/B(2).
Associated space launch
The Ekspress series spacecraft for Data transmission, TV & radio-broadcasting, communications, Internet, video-conference closely resembled the Gals spacecraft and shared a similar spacecraft bus. Ekspress was to replace the widely used Gorizont spacecraft, and plans called for deployments at 13 locations (40 degrees, 53 degrees, 80 degrees, 90 degrees, 96.5 degrees, 99 degrees, 103 degrees, 140 degrees, 145 degrees, 205 degrees, 322.5 degrees, 346 degrees, and 349 degrees, all East longitude) for domestic needs and to support the Intersputnik Telecommunications Association.
SL-12 R/B(2) was lifted into orbit during the mission ‘Proton-K/DM-2M | Ekspress 2’, on board a Proton-K/DM-2M space rocket.
The launch took place on Sept. 26, 1996, 5:50 p.m. from 200/39 (200L).
For more information about the launch, click the button.
Proton-K/DM-2M | Ekspress 2
Agency: N/A
Status: Launch Successful
Launch date: Sept. 26, 1996, 5:50 p.m. UTC
Rocket: Proton-K/DM-2M
Launch pad: 200/39 (200L)
Location: Baikonur Cosmodrome, Republic of Kazakhstan
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