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Landsat 2
Artist's rendering of Landsat 2.
Launch date January 22, 1975
Carrier rocket Delta 2910
Launch site Vandenberg AFB SLC-2W
Orbital elements
Reference system WRS-1
Regime sun-synchronous, near-polar
Inclination 99.2°
Altitude 917 km (570 mi)
Repeat interval 18 days
Swath width 185 km (115 mi)
Equatorial crossing time 9:30 AM +/- 15 minutes

Landsat 2 is the second satellite of the Landsat program. The spacecraft originally carried a designation of ERTS-B (Earth Resource Technology Satellite B) but was renamed "Landsat 2" prior to its launch on January 22, 1975. Despite having a design life of one year, Landsat 2 operated for over seven years, finally ceasing operations on February 25, 1982.[1]

Satellite Specifications

As in the case of its predecessor Landsat 1, the satellite's payload included two remote sensing instruments, the Return Beam Vidicon (RBV) and the Multi-Spectral Scanner (MSS). The specifications for these instruments were identical to those of the instruments carried on Landsat 1. (This was not the case for Landsat 3, which added a short-lived thermal band to the MSS instrument.) The data acquired by the MSS was considered more scientifically useful than the data returned from the RBV, which was rarely used and considered only for engineering evaluation purposes.[2]


  1. ^ United States Geological Survey (2006-08-09). "Landsat 2 History". Retrieved 2007-01-16. 
  2. ^ National Aeronautics and Space Administration (2005-07-12). "40+ Years of Earth Science: Landsat 2". Retrieved 2007-01-16.