Radar Observations of Near Earth Asteroids 6489 Golevka and 4197 (1982 TA)

Details Radar Observations of Near Earth Asteroids 6489 Golevka and 4197 (1982 TA) Radar Observations of Near Earth Asteroids 6489 Golevka and 4197 (1982 TA)

Mar 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001crlj...48..143k&link_type=abstract

Journal of the Communications Research Laboratory. Special Issue: Large Aperture Radio Telescopes at Kashima Space Research Cent

Physics

Asteroids, Observation, Radar Tracking, Solar System, Transmission, Radar Echoes, Japan, Interferometry

Scientific paper

Radar observations of two near-Earth asteroids were performed using a bi-static radar technique with Kashima 34-m antenna and Usuda 64-m antenna as receiving stations and Goldstone 70-m antenna as a transmitting station. The asteroid 6489 Golevka was observed on June 15, 1995 when its distance from the Earth became 0.048 AU and the radar echo from the asteroid was detected from the data observed with Kashima 34-m antenna. The success of the trans-continental bistatic radar observations became the first detection of a radar echo from a solar system object beyond Moon in Japan. The asteroid 4197 (1982 TA) was observed on October 24, 1996 when its distance to the Earth became 0.086 AU. The radar echo signal from the asteroid was detected from both of the data observed at Kashima and at Usuda. The received signal was coherently sampled and recorded at both stations. By using these data, interferometric data analysis was examined.

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