331 Etheridgea

331 Etheridgea
Discovery
Discovered by	Auguste Charlois
Discovery date	April 1, 1892
Designations
Minor planet category	Main belt
Orbital characteristics
Epoch 30 January 2005 (JD 2453400.5)
Aphelion	498.969 Gm (3.335 AU)
Perihelion	405.637 Gm (2.712 AU)
Semi-major axis	452.303 Gm (3.023 AU)
Eccentricity	0.103
Orbital period	1920.198 d (5.26 a)
Average orbital speed	17.13 km/s
Mean anomaly	18.924°
Inclination	6.052°
Longitude of ascending node	22.205°
Argument of perihelion	335.206°
Physical characteristics
Dimensions	75.0 km
Mass	unknown
Mean density	unknown
Surface gravity	unknown
Escape velocity	unknown
Rotation period	unknown
Albedo	unknown
Temperature	unknown
Spectral type	unknown
Absolute magnitude (H)	9.62

331 Etheridgea is a large main belt asteroid.^[1] It was discovered by Auguste Charlois on April 1, 1892 in Nice.

References

↑ "JPL Small-Body Database Browser". JPL. Retrieved 6 April 2015.

External links

331 Etheridgea at the JPL Small-Body Database

Discovery · Orbit diagram · Orbital elements · Physical parameters

Minor planets navigator

330 Adalberta 331 Etheridgea 332 Siri

Small Solar System bodies

Minor planets

Designation Groups Moons Meanings of names Pronunciation of names

Asteroids	Aten asteroid Families Jupiter Trojans Main-belt Near-Earth Spectral types

Distant minor planets	Centaurs Damocloids Neptune trojans Trans-Neptunian objects Detached Kuiper belt Oort cloud Scattered disc

Comets

Meteoroids

Lists / categories

Asteroid groups and families
Asteroid moons
Binary asteroids
Minor planets

This article is issued from Wikipedia - version of the Friday, April 08, 2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.