Key statistics
Satellite THORAD DELTA 1 DEB at a glance.
Uptime
18610
Days in orbit
Revolutions
≈ 12.5
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
101.5
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: 1974-089EE
Object number (NORAD): 9987
Object ID (CCSDS): 9987
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 115.027 minutes
Inclination: 101.4677 deg
SMA: 7834.796 km
Apoapsis: 1536.789 km
Periapsis: 1376.534 km
RAAN: 79.0493 deg
Eccentricy: 0.01022715
Argument of periapsis: 197.9666 deg
Mean anomaly: 316.3319 deg
Mean motion: 12.51875691 rev/day
Mean motion (dot): 0.00000659 rev/day2
B* drag term: 0.0044206146 1/REarth
Two-line elements (TLE)
Creation date: Oct. 28, 2025, 2:18 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 27, 2025, 8:52 p.m. UTC
TLE line 0: 0 THORAD DELTA 1 DEB
TLE line 1: 1 09987U 74089EE 25300.86948301 .00000659 00000-0 44206-2 0 9998
TLE line 2: 2 09987 101.4677 79.0493 0102272 197.9666 316.3319 12.51875691320276
Live tracking on map
Real-time ground track for satellite THORAD DELTA 1 DEB.
In-orbit conjunctions
A list of the most updated potential collisions computed for object 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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