Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17941
Days in orbit
Revolutions
≈ 12.5
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
102.4
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: 1976-077DV
Object number (NORAD): 12540
Object ID (CCSDS): 12540
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 115.46 minutes
Inclination: 102.4295 deg
SMA: 7854.415 km
Apoapsis: 1512.2 km
Periapsis: 1440.361 km
RAAN: 357.0737 deg
Eccentricy: 0.0045732
Argument of periapsis: 155.4604 deg
Mean anomaly: 325.5781 deg
Mean motion: 12.47188117 rev/day
Mean motion (dot): -0.00000191 rev/day2
B* drag term: -0.00097491741 1/REarth
Two-line elements (TLE)
Creation date: Sept. 7, 2025, 3:09 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 6, 2025, 8:44 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 12540U 76077DV 25249.86414685 -.00000191 00000-0 -97492-3 0 9990
TLE line 2: 2 12540 102.4295 357.0737 0045732 155.4604 325.5781 12.47188117 65423
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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