Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18452
Days in orbit
Revolutions
≈ 12.9
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.6
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: 1975-052JW
Object number (NORAD): 21972
Object ID (CCSDS): 21972
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 111.448 minutes
Inclination: 99.6179 deg
SMA: 7671.408 km
Apoapsis: 1550.441 km
Periapsis: 1036.104 km
RAAN: 215.3637 deg
Eccentricy: 0.03352299
Argument of periapsis: 142.526 deg
Mean anomaly: 280.7278 deg
Mean motion: 12.9208223 rev/day
Mean motion (dot): -0.00000034 rev/day2
B* drag term: 0.00000155307 1/REarth
Two-line elements (TLE)
Creation date: Dec. 17, 2025, 7:48 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 17, 2025, 2:39 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 21972U 75052JW 25351.61098109 -.00000034 00000-0 15531-5 0 9998
TLE line 2: 2 21972 99.6179 215.3637 0335230 142.5260 280.7278 12.92082230590958
Live tracking on map
Real-time ground track for satellite DELTA 1 DEB.
Associated space launch
Experimental meteorological satellite
DELTA 1 DEB was lifted into orbit during the mission ‘Delta 2910 | Nimbus 6’, on board a Delta 2910 space rocket.
The launch took place on June 12, 1975, 8:12 a.m. from Space Launch Complex 2W.
For more information about the launch, click the button.
Delta 2910 | Nimbus 6
Agency: N/A
Status: Launch Successful
Launch date: June 12, 1975, 8:12 a.m. UTC
Rocket: Delta 2910
Launch pad: Space Launch Complex 2W
Location: Vandenberg SFB, CA, USA
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