Ages of Sataellites

Events

October 4, 1957
November 3, 1957
Jan 31, 1961
May 5, 1961
April 8, 1964 - December 1966
Nov 28, 1967
July 16 1969
March 2, 1972 - 2005
11/03/1973
August 20, 1977 - Present
Aug 22, 1977 - Present
4/24/1990 - Present
1997 - Present
Nov 20, 1998 - Present
Nov 26, 2001
Jan 19, 2006 - Present
March 7, 2009 - Present
March 27, 2015 - 2016