Discovered by Mauna Kea Obs. MPC designation 58534 Logos Minor planet category Cubewano Discovered 4 February 1997 Named after Logos | Discovery date 4 February 1997 Alternative names 1997 CQ29 Orbital period 308 years Orbits Sun Discovery site Mauna Kea Observatories | |
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Pronunciation /ˈloʊɡɒs/ LOH-goss or /ˈlɒɡɒs/ LOG-oss Discoverers Jane Luu, Chad Trujillo, David C. Jewitt Similar 65489 Ceto, 38083 Rhadamanthus, 42355 Typhon, 19521 Chaos, 66652 Borasisi | ||
58534 Logos (/ˈloʊɡɒs/ LOH-goss or /ˈlɒɡɒs/ LOG-oss; or as in Greek: λόγος) is a small Kuiper-belt object, more specifically a cubewano, notable for having a comparatively large satellite named Zoe. For a small KBO, about 80 km in diameter, it has a very high albedo. The system mass is 4.58 ± 0.07×1017 kg.
In the Gnostic tradition, Logos and Zoe are a paired emanation of the deity, and part of its creation myth.
Zoe
Logos is a binary with the components of comparable size orbiting the barycentre on a moderately elliptical orbit.
Logos' companion was discovered on 17 November 2001 from Hubble Space Telescope observations by K. S. Noll, D. C. Stephens, W. M. Grundy, J. Spencer, R. L. Millis, M. W. Buie, D. Cruikshank, S. C. Tegler, and W. Romanishin and announced on 11 February 2002.
After the discovery, it received the provisional designation S/2001 (58534) 1. Once confirmed it was officially named (58534) Logos I Zoe (/ˈzoʊ.iː/; from Greek: Ζωή). It orbits Logos with a semi-major axis of 8217 ± 42 km in 309.9 ± 0.2 d with an eccentricity of 0.546 ± 0.008. Its estimated diameter is 66 km, and mass (0.15 ± 0.02)×1018 kg.