Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18293
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: 111.452 minutes
Inclination: 99.643 deg
SMA: 7671.594 km
Apoapsis: 1550.569 km
Periapsis: 1036.35 km
RAAN: 75.4602 deg
Eccentricy: 0.0335145
Argument of periapsis: 142.3725 deg
Mean anomaly: 278.3776 deg
Mean motion: 12.92035164 rev/day
Mean motion (dot): 0.00000053 rev/day2
B* drag term: 0.00025521 1/REarth
Two-line elements (TLE)
Creation date: July 10, 2025, 11:46 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 10, 2025, 3:13 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 21972U 75052JW 25191.63418293 .00000053 00000-0 25521-3 0 9990
TLE line 2: 2 21972 99.6430 75.4602 0335145 142.3725 278.3776 12.92035164570682
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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