Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18293
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
100.0
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: 1975-052FV
Object number (NORAD): 21500
Object ID (CCSDS): 21500
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 100.145 minutes
Inclination: 100.0225 deg
SMA: 7143.551 km
Apoapsis: 882.67 km
Periapsis: 648.162 km
RAAN: 318.6907 deg
Eccentricy: 0.016414
Argument of periapsis: 333.1793 deg
Mean anomaly: 55.2804 deg
Mean motion: 14.37909497 rev/day
Mean motion (dot): 0.00001438 rev/day2
B* drag term: 0.00042601 1/REarth
Two-line elements (TLE)
Creation date: July 10, 2025, 7:44 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 10, 2025, 7:23 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 21500U 75052FV 25191.30805003 .00001438 00000-0 42601-3 0 9996
TLE line 2: 2 21500 100.0225 318.6907 0164140 333.1793 55.2804 14.37909497763811
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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