Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18290
Days in orbit
Revolutions
≈ 12.9
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: 1975-052DE
Object number (NORAD): 21384
Object ID (CCSDS): 21384
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 111.525 minutes
Inclination: 99.6691 deg
SMA: 7674.947 km
Apoapsis: 1521.908 km
Periapsis: 1071.717 km
RAAN: 73.8774 deg
Eccentricy: 0.0293286
Argument of periapsis: 239.4213 deg
Mean anomaly: 277.7029 deg
Mean motion: 12.91188579 rev/day
Mean motion (dot): -0.00000044 rev/day2
B* drag term: -0.000016317 1/REarth
Two-line elements (TLE)
Creation date: July 8, 2025, 5:26 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 8, 2025, 3:43 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 21384U 75052DE 25189.15544221 -.00000044 00000-0 -16317-4 0 9998
TLE line 2: 2 21384 99.6691 73.8774 0293286 239.4213 277.7029 12.91188579606524
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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