Word: orbits
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Dates: during 1950-1959
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Hopes of ultimately calculating a definite orbit for the Russian artificial satellite rose yesterday when it was announced that a specially designed, highpower satellite tracking camera will go into operation at Pasadena, Calif., tomorrow...
Despite reports that particles from the tail of the Giacobini-Zinner comet might damage the Russian artificial moon or deflect its orbit downward, University astronomers seem to feel that there is no danger of such an event. They said last night that the warning by British astronomer A. C. Lovell that the satellite might be destroyed because it lacked atmospheric protection had been misinterpreted...
Approximately six sightings have been made so far--all of them either in Alaska or Australia--but Fred L. Whipple, director of the Smithsonian, is almost certain that these are contacts with the third stage of the rocket that propelled the satellite into its present orbit...
Hynek said last night that with the sighting data now assembled "it is very likely that we can work out a definite orbit within 24 hours...
...orbit, when it is established, will reveal the satellite's maximum and minimum distance from the earth. After this is determined, scientists will be able to calculate how long the satellite will stay aloft...