Key statistics
Satellite DELTA 1 DEB * at a glance.
Uptime
19448
Days in orbit
Revolutions
≈ 14.3
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.6
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: 1972-058JQ
Object number (NORAD): 42557
Object ID (CCSDS): 42557
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 100.746 minutes
Inclination: 98.6219 deg
SMA: 7172.077 km
Apoapsis: 801.732 km
Periapsis: 786.152 km
RAAN: 8.3834 deg
Eccentricy: 0.00108613
Argument of periapsis: 263.0145 deg
Mean anomaly: 220.3889 deg
Mean motion: 14.29339373 rev/day
Mean motion (dot): 0.00000149 rev/day2
B* drag term: 0.000075659064 1/REarth
Two-line elements (TLE)
Creation date: Oct. 17, 2025, 5:48 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 17, 2025, 12:34 a.m. UTC
TLE line 0: 0 DELTA 1 DEB *
TLE line 1: 1 42557U 72058JQ 25290.02411058 .00000149 00000-0 75659-4 0 9994
TLE line 2: 2 42557 98.6219 8.3834 0010861 263.0145 220.3889 14.29339373620737
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 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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