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1993-04-21
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OFFICE OF PUBLIC INFORMATION
JET PROPULSION LABORATORY, CALIFORNIA INSTITUTE OF TECHNOLOGY
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
PASADENA, CALIFORNIA. TELEPHONE 354-5011
FOR RELEASE: THURSDAY, JULY 29, 1971
The Mariner 9 spacecraft reached its 60th day of travel
in its 167 day journey to Mars today and is 11,303,000 miles
from Earth.
Since launch on May 30 the spacecraft has traveled
99,641,000 miles on a curving path around the Sun headed for
Mars intercept on November 13, 1971. The current velocity,
relative to Earth, is 11,469 MPH.
A small course correction is planned for late October
to prepare the spacecraft for a precise injection into orbit at
Mars on November 13.
Basic objective of the mission is 90 days in orbit and
mapping of about 70% of the Martian surface with two television
cameras. Ohter experiments will record atmospheric and surface
data.
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7/28/71 #588