1.   Mission officials said the Columbia achieved its planned orbit with only minor trouble.

2.   NASA is considering a last-minute request from the Russian Space Agency to change the planned orbit of the upcoming International Space Station, officials said Tuesday.

3.   The spacecraft had to be maneuvered gingerly into its planned circular orbit for the primary mission of mapping the entire planet.

4.   Timing is everything for this mission because Endeavour must enter a precisely planned orbit to rendezvous with Zarya, a Russian-built craft in space.

5.   He said the planned orbits will be considerably lower than the orbits of the Odyssey satellites, allowing for better service.