Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18226
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: 99.5234 deg
SMA: 7870.805 km
Apoapsis: 1895.611 km
Periapsis: 1089.73 km
RAAN: 105.8171 deg
Eccentricy: 0.0511943
Argument of periapsis: 293.0338 deg
Mean anomaly: 228.3238 deg
Mean motion: 12.43294453 rev/day
Mean motion (dot): 0.00000018 rev/day2
B* drag term: 0.00023893 1/REarth
Two-line elements (TLE)
Creation date: May 6, 2025, 3:54 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 5, 2025, 10:49 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 21290U 75052AB 25125.45127269 .00000018 00000-0 23893-3 0 9991
TLE line 2: 2 21290 99.5234 105.8171 0511943 293.0338 228.3238 12.43294453542165
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
...
Latest news about this satellite
There are no fresh news available about this satellite. Check back as we update our databases every day.
Newsletter sign-up
Weekly statistics, charts and insights to help you stay on top of the space industry.