5786 Talos /ˈteɪlɒs/ is an Apollo asteroid discovered on 3 September 1991 by R. H. McNaught at Siding Spring.[2] It has a very small perihelion distance;[2] only two other named asteroids have one less than 0.2 AU, 1566 Icarus and 3200 Phaethon.
Discovery | |
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Discovered by | R. H. McNaught |
Discovery site | Siding Spring |
Discovery date | 3 September 1991 |
Designations | |
MPC designation | (5786) Talos |
Pronunciation | /ˈteɪlɒs/[1] |
Alternative designations | 1991 RC |
Minor planet category |
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Orbital characteristics[2] | |
Epoch 13 January 2016 (JD 2457400.5) | |
Uncertainty parameter 0 | |
Observation arc | 8810 days (24.12 yr) |
Aphelion | 1.9757 AU (295.56 Gm) |
Perihelion | 0.18724 AU (28.011 Gm) |
Semi-major axis | 1.0815 AU (161.79 Gm) |
Eccentricity | 0.82687 |
Orbital period (sidereal) | 1.12 yr (410.79 d) |
Mean anomaly | 353.29° |
Mean motion | 0° 52m 34.86s / day |
Inclination | 23.234° |
Longitude of ascending node | 161.312° |
Argument of perihelion | 8.3478° |
Earth MOID | 0.188899 AU (28.2589 Gm) |
Physical characteristics | |
Mean diameter | 0.89 km[3] |
Synodic rotation period | 38.52 h (1.605 d)[2] |
Absolute magnitude (H) | 17.1[2] |
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Small Solar System bodies | |||||||
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Minor planets |
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Comets |
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Other |
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