Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
18540
Days in orbit
Revolutions
≈ 14.5
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.0
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: 1975-004DE
Object number (NORAD): 9040
Object ID (CCSDS): 9040
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 99.399 minutes
Inclination: 97.9644 deg
SMA: 7107.998 km
Apoapsis: 762.351 km
Periapsis: 697.375 km
RAAN: 15.179 deg
Eccentricy: 0.00457062
Argument of periapsis: 341.3793 deg
Mean anomaly: 18.5727 deg
Mean motion: 14.48711102 rev/day
Mean motion (dot): 0.00000337 rev/day2
B* drag term: 0.00009931717 1/REarth
Two-line elements (TLE)
Creation date: Oct. 26, 2025, 2:54 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 25, 2025, 3:50 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 09040U 75004DE 25298.66036847 .00000337 00000-0 99317-4 0 9991
TLE line 2: 2 09040 97.9644 15.1790 0045706 341.3793 18.5727 14.48711102579403
Live tracking on map
Real-time ground track for satellite DELTA 1 DEB.
In-orbit conjunctions
A list of the most updated potential collisions computed for object 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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