Theoretical meteor radiants of Apollo, Amor, and Aten asteroids

Details Theoretical meteor radiants of Apollo, Amor, and Aten asteroids Theoretical meteor radiants of Apollo, Amor, and Aten asteroids

Jan 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982icar...49..143d&link_type=abstract

Icarus, vol. 49, Jan. 1982, p. 143-153.

Computer Science

53

Asteroids, Earth (Planet), Meteoroids, Solar Orbits, Trajectory Analysis, Amor Asteroid, Apollo Asteroids, Comet Nuclei, Mars (Planet), Orbital Elements, Southern Hemisphere, Meteors, Asteroids, Theoretical Studies, Apollo Asteroids, Amor Asteroids, Aten Asteroids, Orbits, Meteor Streams, Catalogs, Radiants, Sources, Adonis Asteroid, 1974Xc Asteroid

Scientific paper

A compilation of theoretical meteor radiants is presented for all numbered (through 2525) asteroids which approach the earth's orbit to within 0.20 AU. On the basis of orbital similarity, asteroids associated with current meteor streams and Prairie Network fireballs are listed; plausible associations with medieval fireball radiants are also given. The best defunct comet candidates in terms of meteoric evidence appear to be 2101 Adonis and 2201 1947XC. Asteroids which may be either extinct comets or perturbed main belt asteroids accompanied by collisional debris (represented by fireballs) are 1917 Cuyo, 2202 Pele, 2061 Anza, and 2340 Hathor. 1566 Icarus and 1981 Midas are the only asteroids whose orbits approach to less than 0.07 AU of the earth's orbit, have a northern radiant, and still show no certain meteoric activity. The majority of Atens, Apollos, and Amors do not pass sufficiently close (less than 0.07 AU) to the earth's orbit for a reasonable expectation of meteoric activity, or have radiants south of -20 deg declination, requiring Southern Hemisphere observations.

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