Key statistics
Satellite DELTA 4 R/B at a glance.
Uptime
8094
Days in orbit
Revolutions
≈ 4.5
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
25.3
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: 2003-008B
Object number (NORAD): 27692
Object ID (CCSDS): 27692
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 323.233 minutes
Inclination: 25.3367 deg
SMA: 15601.64 km
Apoapsis: 18212.886 km
Periapsis: 234.124 km
RAAN: 8.7661 deg
Eccentricy: 0.5761818
Argument of periapsis: 217.8788 deg
Mean anomaly: 82.6137 deg
Mean motion: 4.45499662 rev/day
Mean motion (dot): 0.00018876 rev/day2
B* drag term: 0.0012812 1/REarth
Two-line elements (TLE)
Creation date: May 8, 2025, 3:01 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 7, 2025, 7:25 p.m. UTC
TLE line 0: 0 DELTA 4 R/B
TLE line 1: 1 27692U 03008B 25127.80965372 .00018876 00000-0 12812-2 0 9990
TLE line 2: 2 27692 25.3367 8.7661 5761818 217.8788 82.6137 4.45499662 83039
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
The U.S. Air Force Space Command operates 10 Phase III DSCS satellites providing defense officials and battlefield commanders secure voice and high rate data communications. The DSCS III system also transmits space operations and early warning data to various systems and users.
DELTA 4 R/B was lifted into orbit during the mission ‘Delta IV M | DSCS III A-3’, on board a Delta IV M space rocket.
The launch took place on March 11, 2003, 12:59 a.m. from Space Launch Complex 37B.
For more information about the launch, click the button.
Delta IV M | DSCS III A-3
Agency: N/A
Status: Launch Successful
Launch date: March 11, 2003, 12:59 a.m. UTC
Rocket: Delta IV M
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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