Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18985
Days in orbit
Revolutions
≈ 12.7
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
101.2
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: 1973-086HR
Object number (NORAD): 42577
Object ID (CCSDS): 42577
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 113.204 minutes
Inclination: 101.2347 deg
SMA: 7751.759 km
Apoapsis: 1436.966 km
Periapsis: 1310.283 km
RAAN: 221.6678 deg
Eccentricy: 0.00817129
Argument of periapsis: 353.321 deg
Mean anomaly: 6.678 deg
Mean motion: 12.72044599 rev/day
Mean motion (dot): 0.00000544 rev/day2
B* drag term: 0.0028429033 1/REarth
Two-line elements (TLE)
Creation date: Oct. 28, 2025, 7:11 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 28, 2025, 12:42 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 42577U 73086HR 25301.02973642 .00000544 00000-0 28429-2 0 9993
TLE line 2: 2 42577 101.2347 221.6678 0081713 353.3210 6.6780 12.72044599 12782
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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