Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18354
Days in orbit
Revolutions
≈ 13.2
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: 1975-052BW
Object number (NORAD): 21352
Object ID (CCSDS): 21352
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 109.251 minutes
Inclination: 99.5345 deg
SMA: 7570.241 km
Apoapsis: 1412.787 km
Periapsis: 971.425 km
RAAN: 326.101 deg
Eccentricy: 0.02915109
Argument of periapsis: 148.788 deg
Mean anomaly: 335.7261 deg
Mean motion: 13.18069149 rev/day
Mean motion (dot): 0.00000554 rev/day2
B* drag term: 0.0012147066 1/REarth
Two-line elements (TLE)
Creation date: Sept. 11, 2025, 3:57 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 10, 2025, 7:39 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 21352U 75052BW 25253.81893007 .00000554 00000-0 12147-2 0 9996
TLE line 2: 2 21352 99.5345 326.1010 0291511 148.7880 335.7261 13.18069149637272
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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