Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18990
Days in orbit
Revolutions
≈ 12.4
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
101.8
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: 1973-086DL
Object number (NORAD): 7146
Object ID (CCSDS): 7146
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 115.75 minutes
Inclination: 101.7506 deg
SMA: 7867.572 km
Apoapsis: 1532.301 km
Periapsis: 1446.574 km
RAAN: 185.0268 deg
Eccentricy: 0.0054481
Argument of periapsis: 242.7315 deg
Mean anomaly: 300.1898 deg
Mean motion: 12.44060936 rev/day
Mean motion (dot): -0.00000117 rev/day2
B* drag term: -0.00051461 1/REarth
Two-line elements (TLE)
Creation date: Nov. 2, 2025, 3:46 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Nov. 2, 2025, 11:17 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 7146U 73086DL 25306.47073000 -.00000117 00000-0 -51461-3 0 9990
TLE line 2: 2 7146 101.7506 185.0268 0054481 242.7315 300.1898 12.44060936345709
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 0300 | NOAA 3’, on board a Delta 0300 space rocket.
The launch took place on Nov. 6, 1973, 5:02 p.m. from Space Launch Complex 2W.
For more information about the launch, click the button.
Delta 0300 | NOAA 3
Agency: N/A
Status: Launch Successful
Launch date: Nov. 6, 1973, 5:02 p.m. UTC
Rocket: Delta 0300
Launch pad: Space Launch Complex 2W
Location: Vandenberg SFB, CA, USA
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