(12444) Prothoon

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Asteroid
(12444) Prothoon
Properties of the orbit ( animation )
Epoch:  April 18, 2013 ( JD 2,456,400.5)
Orbit type Jupiter Trojan (L 5 )
Major semi-axis 5.2535  AU
eccentricity 0.0707
Perihelion - aphelion 4.8822 AU - 5.6247 AU
Inclination of the orbit plane 30.8139 °
Sidereal period 12.04 a
Mean orbital velocity 12.98 km / s
Physical Properties
Medium diameter approx. 60 km
Albedo approx. 0.04
Rotation period 15.82 h
Absolute brightness 10.1 mag
history
Explorer Eric Walter Elst
Date of discovery April 15, 1996
Another name 1996 GE 19th
Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items.

(12444) Prothoon is an asteroid from the group of Jupiter Trojans that was discovered on April 15, 1996 by EW Elst at the European Southern Observatory . Jupiter Trojans are asteroids that move around the sun on the Lagrange points on Jupiter's orbit .

The asteroid was named after Prothoon , a warrior of Aeneas in the Trojan War .

See also