3564 Talthybius

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3564 Talthybius
Discovery[1] and designation
Discovered by Edward L. G. Bowell
Discovery date October 15, 1985
Designations
Alternative names[1] 1985 TC1
Minor planet
category
Jupiter Trojan
Epoch February 04, 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 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.

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