Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18389
Days in orbit
Revolutions
≈ 14.1
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.7
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: 1975-052AT
Object number (NORAD): 21325
Object ID (CCSDS): 21325
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 102.425 minutes
Inclination: 99.7352 deg
SMA: 7251.547 km
Apoapsis: 945.637 km
Periapsis: 801.187 km
RAAN: 270.9269 deg
Eccentricy: 0.0099599
Argument of periapsis: 75.3165 deg
Mean anomaly: 15.1804 deg
Mean motion: 14.05907556 rev/day
Mean motion (dot): 0.00005499 rev/day2
B* drag term: 0.0032398405 1/REarth
Two-line elements (TLE)
Creation date: Oct. 16, 2025, 2:37 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 15, 2025, 3:35 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 21325U 75052AT 25288.64965485 .00005499 00000-0 32398-2 0 9998
TLE line 2: 2 21325 99.7352 270.9269 0099599 75.3165 15.1804 14.05907556729125
Live tracking on map
Real-time ground track for satellite DELTA 1 DEB.
In-orbit conjunctions
A list of the most updated potential collisions computed for object 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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