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Updated: Dec 20, 2025

Preparation of Binary and Ternary Deep Eutectic Systems
Published on: October 31, 2019
1727 METTE: A NEW HUNGARIA BINARY
Brian D Warner1, Robert D Stephens2
1Palmer Divide Observatory, 17995 Bakers Farm Rd., Colorado Springs, CO 80908.
Abstract:
Analysis of CCD photometric observations of the Hungaria asteroid 1727 Mette made in 2013 January shows that the asteroid is a binary system. A bimodal lightcurve for the primary has a period 2.98109 ± 0.00007 h with an amplitude of 0.33 ± 0.01 mag. This makes the primary one of the more elongated objects in the small binary population. The orbital period of the satellite is 20.99 ± 0.02 h. Based on the depth of the mutual events, the satellite-primary diameter ratio is estimated to be Ds/Dp = 0.21 ± 0.02.
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