Landsat

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Landsat

Series of US earth resources satellites. Landsat 1 was the first such satellite to survey the earth's land areas using multispectral sensors to catalogue forests, crops, and watersheds. Subsequent generations provided an unrivaled dataset showing changes over decades. For this purpose compatible sensors will be carried as payloads in other satellites into the 21st Century.

Subtopics

Landsat 1-2-3 American earth land resources satellite. The first 3 Landsat missions were also known as the Earth Resources Technology Satellite (ERTS) series. Earth Observing satellite built by RCA Astro Space for NASA, USA. Launched 1972 - 1978. Used Nimbus Bus.

Landsat 4-5 American earth land resources satellite. Earth Observing satellite built by Fairchild for NASA, NOAA, USA. Launched 1982 - 1984. Used the MMS bus.

Landsat 6 American earth land resources satellite. Landsat 6 was designed to continue the Landsat program and carried an improved suite of instruments.

Landsat 7 American earth land resources satellite. Earth Observing satellite built by Lockheed Martin for NASA, USA. Launched 1993 - 1999. Used the TIROS-N Bus bus.

Country: USA. Spacecraft: Landsat 1-2-3, Landsat 4-5, Landsat 6, Landsat 7. Launch Vehicles: Delta 0900, Delta 2910, Delta 3920, Titan II SLV, Delta 7920-10. Launch Sites: Vandenberg. Agency: NASA Greenbelt, NOAA, USAF AFMC, Valley Forge.

1972 July 23 - . 18:06 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Thor. Launch Vehicle: Delta 0900.

Landsat 1 - . Payload: ERTS A. Mass: 816 kg (1,798 lb). Nation: USA. Agency: NASA Greenbelt. Program: Landsat. Class: Earth. Type: Earth resources satellite. Spacecraft Bus: Nimbus. Spacecraft: Landsat 1-2-3. USAF Sat Cat: 6126 . COSPAR: 1972-058A. Apogee: 909 km (564 mi). Perigee: 898 km (557 mi). Inclination: 99.10 deg. Period: 103.10 min.
The first Long Tank Thrust Augmented Thor/Delta to be launched from Vandenberg AFB using nine solid rocket motors successfully placed the Environmental Resources Technology Satellite (ERTS-A) in orbit. Earth Resources Technology Satellite. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).

1975 January 22 - . 17:55 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Thor. Launch Vehicle: Delta 2910.

Landsat 2 - . Payload: Landsat B. Mass: 953 kg (2,101 lb). Nation: USA. Agency: NASA Greenbelt. Program: Landsat. Class: Earth. Type: Earth resources satellite. Spacecraft Bus: Nimbus. Spacecraft: Landsat 1-2-3. USAF Sat Cat: 7615 . COSPAR: 1975-004A. Apogee: 913 km (567 mi). Perigee: 900 km (550 mi). Inclination: 99.30 deg. Period: 103.10 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

1978 March 5 - . 17:54 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Thor. Launch Vehicle: Delta 2910.

Landsat 3 - . Payload: Landsat C. Mass: 960 kg (2,110 lb). Nation: USA. Agency: NASA Greenbelt. Program: Landsat. Class: Earth. Type: Earth resources satellite. Spacecraft Bus: Nimbus. Spacecraft: Landsat 1-2-3. USAF Sat Cat: 10702 . COSPAR: 1978-026A. Apogee: 915 km (568 mi). Perigee: 895 km (556 mi). Inclination: 98.90 deg. Period: 103.10 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

1982 July 16 - . 17:59 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Thor. Launch Vehicle: Delta 3920.

Landsat 4 - . Payload: Landsat D. Mass: 1,942 kg (4,281 lb). Nation: USA. Agency: NASA Greenbelt. Program: Landsat. Class: Earth. Type: Earth resources satellite. Spacecraft Bus: MMS. Spacecraft: Landsat 4-5. USAF Sat Cat: 13367 . COSPAR: 1982-072A. Apogee: 705 km (438 mi). Perigee: 693 km (430 mi). Inclination: 98.20 deg. Period: 98.80 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

1984 March 1 - . 17:59 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Thor. Launch Vehicle: Delta 3920.

Landsat 5 - . Payload: Landsat D'. Mass: 1,938 kg (4,272 lb). Nation: USA. Agency: NOAA. Program: Landsat. Class: Earth. Type: Earth resources satellite. Spacecraft Bus: MMS. Spacecraft: Landsat 4-5. USAF Sat Cat: 14780 . COSPAR: 1984-021A. Apogee: 703 km (436 mi). Perigee: 702 km (436 mi). Inclination: 98.20 deg. Period: 98.80 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

1993 October 5 - . 17:56 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC4W. LV Family: Titan. Launch Vehicle: Titan II SLV. FAILURE: Star-37XFP-ISS kick-motor malfunction.. Failed Stage: 3.

Landsat 6 - . Nation: USA. Agency: USAF AFMC. Program: Landsat. Class: Earth. Type: Earth resources satellite. Spacecraft: Landsat 6. Decay Date: 1993-05-10 . Apogee: 724 km (449 mi).

1999 April 15 - . 18:32 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Thor. Launch Vehicle: Delta 7920-10.

Landsat 7 - . Mass: 1,969 kg (4,340 lb). Nation: USA. Agency: NASA Greenbelt. Manufacturer: Valley Forge. Program: Landsat. Class: Earth. Type: Earth resources satellite. Spacecraft Bus: TIROS N. Spacecraft: Landsat 7. USAF Sat Cat: 25682 . COSPAR: 1999-020A. Apogee: 703 km (436 mi). Perigee: 702 km (436 mi). Inclination: 98.20 deg. Period: 98.80 min.
The vehicle entered a 175 km x 706 km x 98.2 deg initial orbit. 57 minutes after launch the Delta stage burned again to circularize the orbit at 668 km x 698 km and Landsat 7 separated from the stage. The Delta stage then burned to depletion of its propellant, into a 184 km x 710 km x 107.5 deg orbit that would decay quickly. The Landsat 7 remote sensing satellite was to be operated by NASA/Goddard until October 2000, when operations would be transferred to the US Geological Survey.

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