Key statistics
Satellite LANDSAT 1 (ERTS 1) at a glance.
Uptime
19280
Days in orbit
Revolutions
≈ 14.0
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.4
Latest
Satellite identification and parameters
Extended collection of information and parameters for LANDSAT 1 (ERTS 1).
Object identification
Identified? True
Debris? False
Object name: LANDSAT 1 (ERTS 1)
International designator: 1972-058A
Object number (NORAD): 6126
Object ID (CCSDS): 6126
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 103.02 minutes
Inclination: 99.3683 deg
SMA: 7279.603 km
Apoapsis: 906.503 km
Periapsis: 896.432 km
RAAN: 142.8684 deg
Eccentricy: 0.0006917
Argument of periapsis: 286.0752 deg
Mean anomaly: 73.9648 deg
Mean motion: 13.97787841 rev/day
Mean motion (dot): 0.00000172 rev/day2
B* drag term: 0.00015462 1/REarth
Two-line elements (TLE)
Creation date: May 6, 2025, 3:54 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 5, 2025, 5:57 p.m. UTC
TLE line 0: 0 LANDSAT 1 (ERTS 1)
TLE line 1: 1 06126U 72058A 25125.74801269 .00000172 00000-0 15462-3 0 9990
TLE line 2: 2 06126 99.3683 142.8684 0006917 286.0752 73.9648 13.97787841691032
Live tracking on map
Real-time ground track for satellite LANDSAT 1 (ERTS 1).
In-orbit conjunctions
A list of the most updated potential collisions computed for object LANDSAT 1 (ERTS 1).
Associated space launch
Earth observation satellite
LANDSAT 1 (ERTS 1) 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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