Orbit Altitude: 900 km
Orbit Inclination: 99.2 degree
Equator Crossing: 9:42 AM mean local time
Period: 103 minutes
Repeat Cycle: 18 days
Orbit Type: LEO > Low Earth Orbit > Polar Sun-Synchronous

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Landsat 3 is the third satellite of the Landsat program. It was launched on
March 5th, 1978, with the primary goal of providing a global archive of
satellite photos. Unlike later Landsats, Landsat 3 ... was managed solely by NASA.
Landsat 3 is no longer in operation, due to technical failure. It finally
ceased transmission on March 21st 1983, far beyond its designed life expectancy
of one year.

Landsat 3 had essentially the same design as Landsat 2. It carried a
Multi-Spectral Scanner, which had a maximum 75m resolution. Unlike the previous
two Landsat missions a thermal band was built into Landsat 3, but this
instrument failed shortly after the satellite was deployed. [2] Landsat 3 was
placed into a polar orbit at about 920 kilometers, and took 18 days to cover
the entire Earth's surface.

[Summary provided by NASA.]

http://landsat.gsfc.nasa.gov/about/L3_td.html