Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18448
Days in orbit
Revolutions
≈ 12.8
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: 1975-052FD
Object number (NORAD): 21469
Object ID (CCSDS): 21469
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 112.928 minutes
Inclination: 99.6931 deg
SMA: 7739.19 km
Apoapsis: 1646.276 km
Periapsis: 1075.834 km
RAAN: 259.8828 deg
Eccentricy: 0.03685408
Argument of periapsis: 6.3778 deg
Mean anomaly: 147.2353 deg
Mean motion: 12.75144823 rev/day
Mean motion (dot): 0.00000812 rev/day2
B* drag term: 0.0030116003 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 10:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 5:35 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 21469U 75052FD 25346.23304531 .00000812 00000-0 30116-2 0 9996
TLE line 2: 2 21469 99.6931 259.8828 0368541 6.3778 147.2353 12.75144823607387
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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