Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
19451
Days in orbit
Revolutions
≈ 13.1
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.9
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: 1972-058JU
Object number (NORAD): 42561
Object ID (CCSDS): 42561
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 110.065 minutes
Inclination: 98.8769 deg
SMA: 7607.791 km
Apoapsis: 1587.236 km
Periapsis: 872.077 km
RAAN: 112.1146 deg
Eccentricy: 0.04700176
Argument of periapsis: 285.7996 deg
Mean anomaly: 95.0616 deg
Mean motion: 13.08322754 rev/day
Mean motion (dot): 0.0000102 rev/day2
B* drag term: 0.0018152589 1/REarth
Two-line elements (TLE)
Creation date: Oct. 20, 2025, 6:08 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 20, 2025, 11:23 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 42561U 72058JU 25293.47436090 .00001020 00000-0 18153-2 0 9997
TLE line 2: 2 42561 98.8769 112.1146 0470018 285.7996 95.0616 13.08322754567492
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 0900 | Landsat 1’, on board a Delta 0900 space rocket.
The launch took place on July 23, 1972, 6:06 p.m. from Space Launch Complex 2W.
For more information about the launch, click the button.
Delta 0900 | Landsat 1
Agency: N/A
Status: Launch Successful
Launch date: July 23, 1972, 6:06 p.m. UTC
Rocket: Delta 0900
Launch pad: Space Launch Complex 2W
Location: Vandenberg SFB, CA, USA
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