Key statistics
Satellite SL-12 R/B(2) at a glance.
Uptime
7621
Days in orbit
Revolutions
≈ 1.0
Per day
Orbit
OTHER
Other
Inclination
12.9
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: 2004-043D
Object number (NORAD): 28466
Object ID (CCSDS): 28466
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 1438.418 minutes
Inclination: 12.9424 deg
SMA: 42210.147 km
Apoapsis: 35870.851 km
Periapsis: 35793.173 km
RAAN: 18.4891 deg
Eccentricy: 0.00092013
Argument of periapsis: 157.402 deg
Mean anomaly: 34.4654 deg
Mean motion: 1.0011 rev/day
Mean motion (dot): -0.00000047 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: Sept. 9, 2025, 10:35 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 8, 2025, 10:12 p.m. UTC
TLE line 0: 0 SL-12 R/B(2)
TLE line 1: 1 28466U 04043D 25251.92535834 -.00000047 00000-0 00000-0 0 9993
TLE line 2: 2 28466 12.9424 18.4891 0009201 157.4020 34.4654 1.00110000 76295
Live tracking on map
Real-time ground track for satellite SL-12 R/B(2).
Associated space launch
The Ekspress-AM 1 is a communications satellite for russian domestic communication services. The lifetime of the spacecraft has been increased to 12 years. While the spacecraft itself is built by russian RSCC (Kosmicheskiya Svyaz), the communication payloads is built by NEC.
SL-12 R/B(2) was lifted into orbit during the mission ‘Proton-K/DM-2M | Ekspress AM-1’, on board a Proton-K/DM-2M space rocket.
The launch took place on Oct. 29, 2004, 10:11 p.m. from 200/39 (200L).
For more information about the launch, click the button.
Proton-K/DM-2M | Ekspress AM-1
Agency: N/A
Status: Launch Successful
Launch date: Oct. 29, 2004, 10:11 p.m. UTC
Rocket: Proton-K/DM-2M
Launch pad: 200/39 (200L)
Location: Baikonur Cosmodrome, Republic of Kazakhstan
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