58534 Logos
58534 Logos, or as a binary system (58534) Logos-Zoe, is a trans-Neptunian object and binary system from the classical Kuiper belt, approximately 77 kilometers (48 miles) in diameter. The bright cubewano belongs to the cold population and has a 66-kilometer sized companion named Zoe. The system mass is (4.58±0.07)×1017 kg.
Logos and its companion Zoe imaged by the Hubble Space Telescope in 2004 | |
| Discovery | |
|---|---|
| Discovered by | Mauna Kea Obs. (team disc.) |
| Discovery site | Mauna Kea Obs. |
| Discovery date | 4 February 1997 |
| Designations | |
MPC designation | (58534) Logos |
| Pronunciation | /ˈloʊɡɒs/ or /ˈlɒɡɒs/ |
Named after | Logos (Aeon in Ptolemy Gnostics) |
Alternative designations | 1997 CQ29 |
Minor planet category | TNO · cubewano cold |
| Adjectives | Logian /ˈlɒdʒiən/ |
| Orbital characteristics | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 3 | |
| Observation arc | 5582 days (15.28 yr) |
| Aphelion | 51.153 AU (7.6524 Tm) |
| Perihelion | 39.945 AU (5.9757 Tm) |
Semi-major axis | 45.549 AU (6.8140 Tm) |
| Eccentricity | 0.12304 |
Orbital period (sidereal) | 307.42 yr (112284 d) |
Mean anomaly | 56.495° |
Mean motion | 0° 0m 11.542s / day |
| Inclination | 2.8946° |
Longitude of ascending node | 132.491° |
| 339.21° | |
| Known satellites | Zoe (est. D: 66 km) |
| Physical characteristics | |
Mean diameter | 77±18 km |
| Mass | 2.7×1017 kg |
Mean density | 1.0 g/cm3 |
| 0.39 ± 0.17 | |
| 6.6 | |
In the Gnostic tradition, Logos and Zoe are a paired emanation of the deity, and part of its creation myth.
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