Key statistics
Satellite LANDSAT 1 (ERTS 1) at a glance.
Uptime
19341
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: 103.019 minutes
Inclination: 99.3653 deg
SMA: 7279.577 km
Apoapsis: 907.825 km
Periapsis: 895.059 km
RAAN: 204.9266 deg
Eccentricy: 0.0008768
Argument of periapsis: 117.6203 deg
Mean anomaly: 242.585 deg
Mean motion: 13.97795268 rev/day
Mean motion (dot): -0.00000235 rev/day2
B* drag term: -0.00013299 1/REarth
Two-line elements (TLE)
Creation date: July 5, 2025, 5:45 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 5, 2025, 2:11 p.m. UTC
TLE line 0: 0 LANDSAT 1 (ERTS 1)
TLE line 1: 1 06126U 72058A 25186.59104114 -.00000235 00000-0 -13299-3 0 9993
TLE line 2: 2 06126 99.3653 204.9266 0008768 117.6203 242.5850 13.97795268699535
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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