Lightcurve Analysis of Two Binary Asteroids: (76818) 2000 RG79 and (185851) 2000 DP107

Details Lightcurve Analysis of Two Binary Asteroids: (76818) 2000 RG79 and (185851) 2000 DP107 Lightcurve Analysis of Two Binary Asteroids: (76818) 2000 RG79 and (185851) 2000 DP107

Apr 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009mpbu...36...62w&link_type=abstract

The Minor Planet Bulletin (ISSN 1052-8091). Bulletin of the Minor Planets Section of the Association of Lunar and Planetary Obse

Physics

Scientific paper

We report on lightcurve observations of two previously known binary asteroids: (76818) 2000 RG79 and (185851) 2000 DP107. For 2000 RG79 we found a primary period of P1 = 3.16640 ± 0.00003 h, A1 = 0.14 ± 0.01 mag. The orbital period was Porb = 14.123 ± 0.001 h. The amplitude of mutual events was 0.12-0.15 mag. We estimate the secondary-to-primary ratio to be Ds/Dp = 0.32 ± 0.03. For (185851) 2000 DP107, we found P1 = 2.77447 ± 0.00005 h, A1 = 0.13 ± 0.01 mag, and Porb = 42.201 ± 0.005 h. The mutual event amplitudes were 0.14-0.16 mag. We estimate Ds/Dp = 0.35 ± 0.03.

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