Key statistics
Satellite DELTA 4 R/B at a glance.
Uptime
8205
Days in orbit
Revolutions
≈ 2.4
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
13.2
Latest
Satellite identification and parameters
Extended collection of information and parameters for DELTA 4 R/B.
Object identification
Identified? True
Debris? False
Object name: DELTA 4 R/B
International designator: 2002-051B
Object number (NORAD): 27555
Object ID (CCSDS): 27555
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 610.389 minutes
Inclination: 13.2304 deg
SMA: 23835.886 km
Apoapsis: 34435.852 km
Periapsis: 479.65 km
RAAN: 187.796 deg
Eccentricy: 0.7122916
Argument of periapsis: 291.21 deg
Mean anomaly: 10.1581 deg
Mean motion: 2.35915139 rev/day
Mean motion (dot): 0.00000245 rev/day2
B* drag term: 0.0010308 1/REarth
Two-line elements (TLE)
Creation date: May 7, 2025, 3:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 6, 2025, 11:33 a.m. UTC
TLE line 0: 0 DELTA 4 R/B
TLE line 1: 1 27555U 02051B 25126.48180153 .00000245 00000-0 10308-2 0 9993
TLE line 2: 2 27555 13.2304 187.7960 7122916 291.2100 10.1581 2.35915139193298
Live tracking on map
Real-time ground track for satellite DELTA 4 R/B.
In-orbit conjunctions
There are no conjunctions computed for DELTA 4 R/B, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
EUTELSAT W5 was a European (EUTELSAT Consortium) geostationary communication spacecraft. EUTELSAT W5 was to provide voice, video, and Internet services to all countries in western Europe, central Asia, and the Indian subcontinent
DELTA 4 R/B was lifted into orbit during the mission ‘Delta IV M+(4,2) | Eutelsat W5’, on board a Delta IV M+(4,2) space rocket.
The launch took place on Nov. 20, 2002, 10:39 p.m. from Space Launch Complex 37B.
For more information about the launch, click the button.
Delta IV M+(4,2) | Eutelsat W5
Agency: N/A
Status: Launch Successful
Launch date: Nov. 20, 2002, 10:39 p.m. UTC
Rocket: Delta IV M+(4,2)
Launch pad: Space Launch Complex 37B
Location: Cape Canaveral SFS, FL, USA
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Latest news about this satellite
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