Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
17993
Days in orbit
Revolutions
≈ 12.4
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
102.0
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: 1976-077FY
Object number (NORAD): 40755
Object ID (CCSDS): 40755
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 115.664 minutes
Inclination: 102.0226 deg
SMA: 7863.69 km
Apoapsis: 1498.017 km
Periapsis: 1473.093 km
RAAN: 274.9061 deg
Eccentricy: 0.00158478
Argument of periapsis: 291.1107 deg
Mean anomaly: 68.8265 deg
Mean motion: 12.44982313 rev/day
Mean motion (dot): 0.00000074 rev/day2
B* drag term: 0.0008368291 1/REarth
Two-line elements (TLE)
Creation date: Oct. 29, 2025, 7:31 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 28, 2025, 8:39 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 40755U 76077FY 25301.86108069 .00000074 00000-0 83683-3 0 9999
TLE line 2: 2 40755 102.0226 274.9061 0015848 291.1107 68.8265 12.44982313954259
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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