284 Amalia

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284 Amalia
Discovery A
Discoverer Auguste Charlois
Discovery date May 29, 1889
Alternate
designations
B
Category Main belt
Orbital elements C
Epoch 30 January 2005 (JD 2453400.5)
Eccentricity (e) 0.223
Semi-major axis (a) 352.837 Gm (2.359 AU)
Perihelion (q) 274.195 Gm (1.833 AU)
Aphelion (Q) 431.478 Gm (2.884 AU)
Orbital period (P) 1323.009 d (3.62 a)
Mean orbital speed 19.39 km/s
Inclination (i) 8.062°
Longitude of the
ascending node
(Ω)
233.966°
Argument of
perihelion
(ω)
57.464°
Mean anomaly (M) 297.482°
Physical characteristics D
Dimensions 53.0 km
Mass unknown
Density unknown
Surface gravity unknown
Escape velocity unknown
Rotation period unknown
Spectral class unknown
Absolute magnitude 10.05
Albedo (geometric) unknown
Mean surface
temperature
unknown
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284 Amalia is a large Main belt asteroid.

It was discovered by Auguste Charlois on May 29, 1889 in Nice.