Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
19502
Days in orbit
Revolutions
≈ 14.6
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.3
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: 1972-058W
Object number (NORAD): 7850
Object ID (CCSDS): 7850
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 98.693 minutes
Inclination: 98.2582 deg
SMA: 7074.303 km
Apoapsis: 806.698 km
Periapsis: 585.639 km
RAAN: 297.6904 deg
Eccentricy: 0.01562407
Argument of periapsis: 282.4212 deg
Mean anomaly: 75.9542 deg
Mean motion: 14.59073739 rev/day
Mean motion (dot): 0.00011419 rev/day2
B* drag term: 0.0020555843 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 3:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 10:32 a.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 07850U 72058W 25347.43948164 .00011419 00000-0 20556-2 0 9998
TLE line 2: 2 07850 98.2582 297.6904 0156241 282.4212 75.9542 14.59073739593088
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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