Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18289
Days in orbit
Revolutions
≈ 12.4
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: 1975-052AB
Object number (NORAD): 21290
Object ID (CCSDS): 21290
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 115.821 minutes
Inclination: 99.5279 deg
SMA: 7870.799 km
Apoapsis: 1896.113 km
Periapsis: 1089.216 km
RAAN: 156.1094 deg
Eccentricy: 0.0512589
Argument of periapsis: 161.5681 deg
Mean anomaly: 232.1627 deg
Mean motion: 12.43295863 rev/day
Mean motion (dot): 0.00000124 rev/day2
B* drag term: 0.00069599 1/REarth
Two-line elements (TLE)
Creation date: July 8, 2025, 2:27 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 7, 2025, 7:58 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 21290U 75052AB 25188.83217848 .00000124 00000-0 69599-3 0 9996
TLE line 2: 2 21290 99.5279 156.1094 0512589 161.5681 232.1627 12.43295863550041
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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