Key statistics
Satellite BLOCK DM-SL R/B at a glance.
Uptime
8004
Days in orbit
Revolutions
≈ 2.2
Per day
Orbit
GTO
Geostationary Transfer Orbit
Inclination
0.8
Latest
Satellite identification and parameters
Extended collection of information and parameters for BLOCK DM-SL R/B.
Object identification
Identified? True
Debris? False
Object name: BLOCK DM-SL R/B
International designator: 2003-034B
Object number (NORAD): 27855
Object ID (CCSDS): 27855
Country: SEA LAUNCH DEMO (SEAL)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 640.922 minutes
Inclination: 0.7718 deg
SMA: 24624.279 km
Apoapsis: 35863.693 km
Periapsis: 628.595 km
RAAN: 41.2457 deg
Eccentricy: 0.7154544
Argument of periapsis: 70.1931 deg
Mean anomaly: 143.5789 deg
Mean motion: 2.24676407 rev/day
Mean motion (dot): -0.00000211 rev/day2
B* drag term: -0.00034005 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 12:37 p.m. UTC
TLE line 0: 0 BLOCK DM-SL R/B
TLE line 1: 1 27855U 03034B 25187.52624009 -.00000211 00000-0 -34005-3 0 9999
TLE line 2: 2 27855 0.7718 41.2457 7154544 70.1931 143.5789 2.24676407179930
Live tracking on map
Real-time ground track for satellite BLOCK DM-SL R/B.
Associated space launch
The EchoStar IX satellite is equipped with one of the first commercial Ka-band spot-beam payloads for use over the United States
BLOCK DM-SL R/B was lifted into orbit during the mission ‘Zenit | Echostar IX’, on board a Zenit space rocket.
The launch took place on Aug. 8, 2003, 3:30 a.m. from Launch Platform Odyssey.
For more information about the launch, click the button.
Zenit | Echostar IX
Agency: N/A
Status: Launch Successful
Launch date: Aug. 8, 2003, 3:30 a.m. UTC
Rocket: Zenit
Launch pad: Launch Platform Odyssey
Location: Sea Launch
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