\<COLOUR 1> SIZE: \<COLOUR 0> 17.4 metres across solar panels; 12.8 metres across dish antennas
\<COLOUR 1> WEIGHT: \<COLOUR 0> 2.3 tonnes
\<COLOUR 1> COUNTRY: \<COLOUR 0> USA
\<COLOUR 1> COMMENTS: \<COLOUR 0> The first of NASA's tracking and data relay satellites (TDRS), launched from the shuttle (STS-6) and destined for geostationary orbit by IUS (inertial upper stage) boost; IUS malfunction leaves it in too low an orbit; but ground controllers eventually manage to manoeuvre it into geostationary orbit by end of June.