D. Higgins, Canberra, Australia; D. Pray, Carbuncle Hill Observatory, Greene, RI; P. Kusnirak and P. Pravec, Ondrejov Observatory, report that photometric observations obtained during Sept. 26-Oct. 17 reveal that minor planet (6244) is a binary system with an orbital period of 20.32 +/- 0.01 hours. The primary rotates with a period of 2.8958 +/- 0.0001 hours, and it has a lightcurve amplitude of 0.11 mag. Mutual eclipse/occultation events that are 0.07-0.15 mag deep indicate a secondary-to-primary mean-diameter ratio of 0.25 +/- 0.02.
Central Bureau Electronic Telegrams
- Pub Date:
- October 2006