Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18344
Days in orbit
Revolutions
≈ 13.4
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.9
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: 1975-052GH
Object number (NORAD): 21512
Object ID (CCSDS): 21512
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 107.423 minutes
Inclination: 99.9173 deg
SMA: 7485.582 km
Apoapsis: 1134.157 km
Periapsis: 1080.736 km
RAAN: 139.415 deg
Eccentricy: 0.00356825
Argument of periapsis: 177.9269 deg
Mean anomaly: 1.7209 deg
Mean motion: 13.40492649 rev/day
Mean motion (dot): 0.0000011 rev/day2
B* drag term: 0.00027934019 1/REarth
Two-line elements (TLE)
Creation date: Aug. 31, 2025, 2:26 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 30, 2025, 12:11 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 21512U 75052GH 25242.50833178 .00000110 00000-0 27934-3 0 9990
TLE line 2: 2 21512 99.9173 139.4150 0035683 177.9269 1.7209 13.40492649669866
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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