Statistics
Scientific paper
Apr 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995icar..114..423o&link_type=abstract
Icarus (ISSN 0019-1035), vol. 114, no. 2, p. 423-426
Statistics
13
Asteroids, Comet Nuclei, Comets, Light Curve, Periodic Variations, Rotation, Space Debris, Astronomical Photometry, Charge Coupled Devices, Eccentric Orbits, Orbit Calculation, Orbital Elements
Scientific paper
CCD photometry performed on the comet-asteroid transition object 4015 Wilson-Harrington during its most recent apparition has provided a new rotational lightcurve with a standard double-peaked rotational period of 6.1 +/- 0.05 hr and an amplitude of 0.2 magnitudes. The size, rotation period, and lightcurve amplitude of this object are all similar to values found for near-Earth asteroids (NEA) and small main-belt asteroids. However, these values vary significantly from those of any previously well-studied cometary nuclei. In short, the range in cometary nuclear properties is greater than that indicated by the comets studied previously and although the statistics are still poor, the size and rotational properties of 4015 Wilson-Harrington do suggest that some fraction of NEAs are of cometary origin.
Campins Humberto
Osip Davidj.
Schleicher David G.
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