Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18352
Days in orbit
Revolutions
≈ 13.6
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: 1975-052FF
Object number (NORAD): 21471
Object ID (CCSDS): 21471
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 106.088 minutes
Inclination: 99.9208 deg
SMA: 7423.425 km
Apoapsis: 1229.345 km
Periapsis: 861.236 km
RAAN: 39.157 deg
Eccentricy: 0.0247937
Argument of periapsis: 336.8128 deg
Mean anomaly: 77.1344 deg
Mean motion: 13.57363701 rev/day
Mean motion (dot): 0.00000466 rev/day2
B* drag term: 0.00058795098 1/REarth
Two-line elements (TLE)
Creation date: Sept. 8, 2025, 3:16 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 7, 2025, 9:33 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 21471U 75052FF 25250.39846199 .00000466 00000-0 58795-3 0 9990
TLE line 2: 2 21471 99.9208 39.1570 0247937 336.8128 77.1344 13.57363701698085
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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