\<COLOUR 1> COMMENTS: \<COLOUR 0> Second of second-generation US-built and launched Palapa comsat operated by Indonesia for domestic communications; destined for geostationary orbit, it is marooned in useless low orbit after deployment; recovered by spacewalking shuttle astronauts on mission STS-51A; refurbished and relaunched into geostationary orbit by Delta as Palapa B2-R on April 13, 1990.