Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18037
Days in orbit
Revolutions
≈ 11.7
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
102.7
Latest
Satellite identification and parameters
Extended collection of information and parameters for DELTA 1 DEB.
Object identification
Identified? True
Debris? True
Object name: DELTA 1 DEB
International designator: 1976-077EU
Object number (NORAD): 15540
Object ID (CCSDS): 15540
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 123.291 minutes
Inclination: 102.715 deg
SMA: 8205.673 km
Apoapsis: 2301.267 km
Periapsis: 1353.809 km
RAAN: 307.8388 deg
Eccentricy: 0.05773184
Argument of periapsis: 325.5638 deg
Mean anomaly: 193.2998 deg
Mean motion: 11.67969378 rev/day
Mean motion (dot): 0.00000386 rev/day2
B* drag term: 0.0050870559 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 3:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 9:20 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 15540U 76077EU 25347.38891454 .00000386 00000-0 50871-2 0 9995
TLE line 2: 2 15540 102.7150 307.8388 0577318 325.5638 193.2998 11.67969378477357
Live tracking on map
Real-time ground track for satellite DELTA 1 DEB.
Associated space launch
Meteorological satellite using radiometric imaging
DELTA 1 DEB was lifted into orbit during the mission ‘Delta 2310 | NOAA 5’, on board a Delta 2310 space rocket.
The launch took place on July 29, 1976, 5:07 p.m. from Space Launch Complex 2W.
For more information about the launch, click the button.
Delta 2310 | NOAA 5
Agency: N/A
Status: Launch Successful
Launch date: July 29, 1976, 5:07 p.m. UTC
Rocket: Delta 2310
Launch pad: Space Launch Complex 2W
Location: Vandenberg SFB, CA, USA
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