Automated detection of asteroids in real-time with the Spacewatch telescope

Details Automated detection of asteroids in real-time with the Spacewatch telescope Automated detection of asteroids in real-time with the Spacewatch telescope

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992acm..proc..541s&link_type=abstract

In Lunar and Planetary Inst., Asteroids, Comets, Meteors 1991 p 541-544 (SEE N93-19113 06-90)

Other

8

Angular Velocity, Asteroid Missions, Asteroids, Brightness, Position (Location), Space Exploration, Charge Coupled Devices, Detection, Real Time Operation, Surveys, Telescopes

Scientific paper

The Spacewatch telescope on Kitt Peak is being used to survey for near-earth asteroids using a Tektronix TK2048 CCD in scanning mode. We hope to identify suitable low delta v candidates amongst the near-earth asteroid population as possible exploration targets, to identify those objects which pose a danger to life on earth, and to study the physical properties of the objects in near-earth space. Between Sep. 1990 and Jun. 1991, 14 new earth-approaching asteroids including 1 Aten, 9 Apollo, and 4 Amor type asteroids were detected by automated software and discriminated by their angular rates from the rest of the detected asteroids in near-real time by the observer. The average of about 1.5 earth-approaching asteroids per month is comparable to the total number found by all other observatories combined. One other Apollo type asteroid was detected by the observer as a long trailed image. The positions of this last object were measured and the object was tracked by the observer in real time. This object was determined to be a 5-10 meter diameter object which passed within 170,000 kilometers of earth. Of the 14 automatically detected earth-approaching asteroids, 10 have been found at distances in excess of 0.5 AU from earth. An average of more than 2000 asteroids are detected each month. Positions, angular rates, and brightnesses are determined for each of these asteroids in real-time.

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