Key statistics
Satellite SL-12 R/B(2) at a glance.
Uptime
7676
Days in orbit
Revolutions
≈ 1.0
Per day
Orbit
OTHER
Other
Inclination
13.0
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: 1438.216 minutes
Inclination: 12.9964 deg
SMA: 42206.198 km
Apoapsis: 35865.327 km
Periapsis: 35790.799 km
RAAN: 18.111 deg
Eccentricy: 0.0008829
Argument of periapsis: 165.448 deg
Mean anomaly: 215.8749 deg
Mean motion: 1.00124051 rev/day
Mean motion (dot): 0.00000107 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: Nov. 2, 2025, 4:56 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Nov. 2, 2025, 9:17 a.m. UTC
TLE line 0: 0 SL-12 R/B(2)
TLE line 1: 1 28466U 04043D 25306.38697600 .00000107 00000-0 00000+0 0 9999
TLE line 2: 2 28466 12.9964 18.1110 0008829 165.4480 215.8749 1.00124051 76841
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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