(4057) Demophon
Asteroid (4057) Demophon |
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Properties of the orbit ( animation ) | |
Orbit type | Jupiter Trojan (L 4 ) |
Major semi-axis | 5.2717 AU |
eccentricity | 0.1187 |
Perihelion - aphelion | 4.646 AU - 5.8974 AU |
Inclination of the orbit plane | 2.873 ° |
Sidereal period | 12.10 a |
Mean orbital velocity | 12.97 km / s |
Physical Properties | |
Medium diameter | ? km |
Dimensions | ? | kg
Albedo | ? |
Medium density | ? g / cm³ |
Rotation period | ? H |
Absolute brightness | 10.09 mag |
Spectral class | ? |
history | |
Explorer | E. Bowell |
Date of discovery | 1985 |
Another name | 1985 TQ |
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. |
(4057) Demophon is an asteroid belonging to the group of Jupiter Trojans . This describes asteroids that move around the sun on the Lagrange points on Jupiter's orbit . (4057) Demophon was discovered by Edward LG Bowell on October 15, 1985 . It is assigned to the Lagrangian point L 4 .
The asteroid bears the name of the mythological king Demophon of Athens .