Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18430
Days in orbit
Revolutions
≈ 14.6
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
97.9
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: 1975-004DU
Object number (NORAD): 9293
Object ID (CCSDS): 9293
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 98.641 minutes
Inclination: 97.9345 deg
SMA: 7071.824 km
Apoapsis: 749.466 km
Periapsis: 637.912 km
RAAN: 307.2431 deg
Eccentricy: 0.0078872
Argument of periapsis: 188.9539 deg
Mean anomaly: 171.0261 deg
Mean motion: 14.59841049 rev/day
Mean motion (dot): 0.00000629 rev/day2
B* drag term: 0.00013556 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, 6:33 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 09293U 75004DU 25188.77333141 .00000629 00000-0 13556-3 0 9992
TLE line 2: 2 09293 97.9345 307.2431 0078872 188.9539 171.0261 14.59841049592028
Live tracking on map
Real-time ground track for satellite DELTA 1 DEB.
Associated space launch
Earth observation satellite
DELTA 1 DEB was lifted into orbit during the mission ‘Delta 2910 | Landsat 2’, on board a Delta 2910 space rocket.
The launch took place on Jan. 22, 1975, 5:55 p.m. from Space Launch Complex 2W.
For more information about the launch, click the button.

Delta 2910 | Landsat 2
Agency: N/A
Status: Launch Successful
Launch date: Jan. 22, 1975, 5:55 p.m. UTC
Rocket: Delta 2910
Launch pad: Space Launch Complex 2W
Location: Vandenberg SFB, CA, USA
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