LANDSAT 1 (ERTS 1)

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite LANDSAT 1 (ERTS 1) at a glance.

Uptime

19446

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: 103.018 minutes

Inclination: 99.3624 deg

SMA: 7279.532 km

Apoapsis: 907.209 km

Periapsis: 895.586 km

RAAN: 311.4214 deg

Eccentricy: 0.00079836

Argument of periapsis: 189.9073 deg

Mean anomaly: 170.1933 deg

Mean motion: 13.97808076 rev/day

Mean motion (dot): -0.00000218 rev/day²

B* drag term: -0.00012124425 1/R_Earth

Two-line elements (TLE)

Creation date: Oct. 18, 2025, 2:17 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Oct. 18, 2025, 12:36 a.m. UTC

TLE line 0: 0 LANDSAT 1 (ERTS 1)

TLE line 1: 1 06126U 72058A 25291.02567088 -.00000218 00000-0 -12124-3 0 9998

TLE line 2: 2 06126 99.3624 311.4214 0007984 189.9073 170.1933 13.97808076714129

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).

Target	Orbit	TCA	Probability of collision	Miss distance	Type
METEOR 2-17 DEB	LEO	2025-09-30 21:02:23	0.0002095956	103.0 (m)	DEBRIS
COSMOS 1275 DEB	LEO	2025-02-21 06:54:44	0.0001599092	309.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2025-01-05 00:12:37	0.0001065334	369.0 (m)	DEBRIS
CZ-6A DEB	LEO	2024-10-15 04:37:15	0.0002391564	474.0 (m)	DEBRIS

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

...

Go to the launch

Latest news about this satellite

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