3564 Talthybius
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3564 Talthybius
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Discovery[1] and designation
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| Discovered by | Edward L. G. Bowell |
| Discovery date | October 15, 1985 |
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Designations
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| Named after | Talthybius |
| Alternate name(s) | 1985 TC1 |
| Minor planet category |
Jupiter Trojan |
| Epoch February 4, 2008 (JD 2454500.5) | |
| Aphelion | 812.459 Gm (5.431 AU) |
| Perihelion | 751.491 Gm (5.023 AU) |
| Semi-major axis | 781.975 Gm (5.227 AU) |
| Eccentricity | 0.039 |
| Orbital period | 4365.154 d (11.95 a) |
| Average orbital speed | 13.02 km/s |
| Mean anomaly | 107.078° |
| Inclination | 15.492° |
| Longitude of ascending node | 23.871° |
| Dimensions | 68.9 km |
| Mass | 3.4×1017 kg |
| Mean density | 2.0 g/cm³ |
| Equatorial surface gravity | 0.0193 m/s² |
| Equatorial escape velocity | 0.0364 km/s |
| Sidereal rotation period |
? d |
| Axial tilt | ?° |
| Pole ecliptic latitude | ? |
| Pole ecliptic longitude | ? |
| Geometric albedo | 0.10 |
| Temperature | ~122 K |
| Spectral type | ? |
| Absolute magnitude (H) | 9.0 |
3564 Talthybius is a Jupiter Trojan asteroid that orbits in the L4 Lagrangian point of the Sun-Jupiter system, in the "Greek Camp" of Trojan asteroids. It was named after the Greek hero Talthybius, who was a herald during the Trojan War. It was discovered by Edward L. G. Bowell on October 15, 1985 in Flagstaff, Arizona at the Anderson Mesa station of the Lowell Observatory.
External links
- Discovery Circumstances: Numbered Minor Planets
- Orbital simulation from JPL (Java) / Ephemeris
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