Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18448
Days in orbit
Revolutions
≈ 14.0
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.5
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: 1975-052JX
Object number (NORAD): 21985
Object ID (CCSDS): 21985
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 102.605 minutes
Inclination: 99.5253 deg
SMA: 7260.023 km
Apoapsis: 907.08 km
Periapsis: 856.697 km
RAAN: 207.1593 deg
Eccentricy: 0.0034699
Argument of periapsis: 313.0952 deg
Mean anomaly: 75.9332 deg
Mean motion: 14.03446096 rev/day
Mean motion (dot): 0.00009559 rev/day2
B* drag term: 0.0060981823 1/REarth
Two-line elements (TLE)
Creation date: Dec. 11, 2025, 7:14 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 11, 2025, 1:54 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 21985U 75052JX 25345.57923971 .00009559 00000-0 60982-2 0 9991
TLE line 2: 2 21985 99.5253 207.1593 0034699 313.0952 75.9332 14.03446096679133
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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