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LANDSAT 1 (ERTS 1), 6126

Orbit data source: Space-Track

LANDSAT 1 (ERTS 1), 6126 is a payload satellite owned by GSFC (US) in SSO that was launched on Sun, 23 Jul 1972 UTC via a DELTA 0900 launch vehicle from the Air Force Western Test Range (AFWTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

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<iframe src="https://www.satcat.com/sats-embedded/6126?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/6126?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

6126, 1972-058A

Orbit

SSO

Last TLE update

10 hours ago

Origin

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

GE/MSVD

Mission

Non-operational Civil Imaging

Bus & Motor

NIMBUS, Unknown motor

Mass

891 kg wet, 891 kg dry

Launch date (UTC)

1972-07-23 (53 years ago)

Launch vehicle

DELTA 0900

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cone + 2 Pan, 3.3 m

Radar Cross Section

2.170 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 10 hours ago

0 LANDSAT 1 (ERTS 1)
1 06126U 72058A   25186.94894108 -.00000231  00000-0 -13057-3 0  9999
2 06126  99.3653 205.2916 0008781 116.7707 243.4354 13.97795109699583

Epoch: 2025-07-05T22:46Z

TLE epoch observation values (Epoch: 2025-07-05T22:46:28.509Z)

Latitude

-0.00005°

Longitude

-60.50683°

Altitude

907.166 km

Speed

7.397 km/s

True Right ascension

13h 41m 09s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-66.23475°

Longitude

98.03226°

Altitude

930.804 km

Speed

7.383 km/s

Apparent Right ascension

06h 02m 35s

Apparent Declination

-69° 12' 42"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

20:30:35

Azimuth

158.243° S

Elevation

-54.815°

Doppler factor

Orbital elements

Apogee altitude

905.051 km

Perigee altitude

892.271 km

Semi-major axis

7,276.798 km

Eccentricity

0.00088

Inclination

99.3653°

RAAN

205.2916°

Arg. of periapsis

116.7707°

True anomaly

Unknown

Mean anomaly

243.4354°

Eccentric anomaly

Unknown

Mean motion

3.49649 °/min

Orbital period

102.96 mins

BSTAR

-0.00013057

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Other satellites on launch #58 in the year 1972 (1972-07-23 UTC)

DELTA 1 DEB, 7854 (Decayed)

DELTA 1 DEB, 7855 (Decayed)

DELTA 1 DEB, 7856 (Decayed)

DELTA 1 DEB, 7857 (Decayed)

DELTA 1 DEB, 7858 (Decayed)

DELTA 1 DEB, 7859 (Decayed)

DELTA 1 DEB, 7860 (Decayed)

DELTA 1 DEB, 7861 (Decayed)

DELTA 1 DEB, 7862 (Decayed)

DELTA 1 DEB, 7863 (Decayed)

DELTA 1 DEB, 7864 (Decayed)

DELTA 1 DEB, 7865 (Decayed)

DELTA 1 DEB, 7866 (Decayed)

DELTA 1 DEB, 7867 (Decayed)

LANDSAT 1 (ERTS 1) Visibility forecast

Observer location: undefined°, undefined°

Span	Click to sort rows by Start time (UTC) header in descending order	Start Az.	Max El. time (UTC)	Max El. Az.	Max El.	End time (UTC)	End Az.
8 mins	2025-07-06 13:07:44.567Z	46.46° ENE	2025-07-06 13:11:44.567Z	98.055° ESE	22.863°	2025-07-06 13:15:44.567Z	146.41° SSE
8 mins	2025-07-06 14:49:44.567Z	353.29° N	2025-07-06 14:53:44.567Z	280.295° WNW	34.726°	2025-07-06 14:57:44.567Z	224.885° SW
9 mins	2025-07-07 00:40:44.567Z	138.944° SSE	2025-07-07 00:44:44.567Z	67.036° ENE	38.236°	2025-07-07 00:49:44.567Z	356.97° N
7 mins	2025-07-07 02:23:44.567Z	229.594° WSW	2025-07-07 02:26:44.567Z	268.428° W	20.003°	2025-07-07 02:30:44.567Z	313.971° NW

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Check out LANDSAT 1 (ERTS 1), 6126 on other resources

View LANDSAT 1 (ERTS 1), 6126 on NASA - NSSDCA Website

View LANDSAT 1 (ERTS 1), 6126 on Heavens-Above

View LANDSAT 1 (ERTS 1), 6126 on Keep Track

View LANDSAT 1 (ERTS 1), 6126 on Celestrak

View LANDSAT 1 (ERTS 1), 6126 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.