Key statistics
Satellite THORAD DELTA 1 DEB at a glance.
Uptime
18657
Days in orbit
Revolutions
≈ 12.5
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
101.3
Latest
Satellite identification and parameters
Extended collection of information and parameters for THORAD DELTA 1 DEB.
Object identification
Identified? True
Debris? True
Object name: THORAD DELTA 1 DEB
International designator: 1974-089CT
Object number (NORAD): 8556
Object ID (CCSDS): 8556
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 114.881 minutes
Inclination: 101.3126 deg
SMA: 7828.131 km
Apoapsis: 1513.99 km
Periapsis: 1386.001 km
RAAN: 128.0977 deg
Eccentricy: 0.00817495
Argument of periapsis: 173.3653 deg
Mean anomaly: 219.6601 deg
Mean motion: 12.53474894 rev/day
Mean motion (dot): 0.00000106 rev/day2
B* drag term: 0.0009194997 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, 8:41 a.m. UTC
TLE line 0: 0 THORAD DELTA 1 DEB
TLE line 1: 1 08556U 74089CT 25347.36189427 .00000106 00000-0 91950-3 0 9997
TLE line 2: 2 08556 101.3126 128.0977 0081749 173.3653 219.6601 12.53474894333686
Live tracking on map
Real-time ground track for satellite THORAD DELTA 1 DEB.
Associated space launch
Meteorological satellite using radiometric imaging
THORAD DELTA 1 DEB was lifted into orbit during the mission ‘Delta 2310 | NOAA 4’, on board a Delta 2310 space rocket.
The launch took place on Nov. 15, 1974, 5:11 p.m. from Space Launch Complex 2W.
For more information about the launch, click the button.
Delta 2310 | NOAA 4
Agency: N/A
Status: Launch Successful
Launch date: Nov. 15, 1974, 5:11 p.m. UTC
Rocket: Delta 2310
Launch pad: Space Launch Complex 2W
Location: Vandenberg SFB, CA, USA
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