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

19501

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: 99.356 deg

SMA: 7279.496 km

Apoapsis: 907.807 km

Periapsis: 894.916 km

RAAN: 7.4997 deg

Eccentricy: 0.00088542

Argument of periapsis: 49.1636 deg

Mean anomaly: 311.0292 deg

Mean motion: 13.97818406 rev/day

Mean motion (dot): 0.0000031 rev/day²

B* drag term: 0.0002515507 1/R_Earth

Two-line elements (TLE)

Creation date: Dec. 12, 2025, 10:14 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Dec. 12, 2025, 1:40 a.m. UTC

TLE line 0: 0 LANDSAT 1 (ERTS 1)

TLE line 1: 1 06126U 72058A 25346.07000945 .00000310 00000-0 25155-3 0 9997

TLE line 2: 2 06126 99.3560 7.4997 0008854 49.1636 311.0292 13.97818406721813

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
COSMOS 1299	LEO	2025-11-16 10:06:16	0.0001332309	574.0 (m)	PAYLOAD
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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