331 Etheridgea
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| Discovery A | |
|---|---|
| Discoverer | Auguste Charlois |
| Discovery date | April 1, 1892 |
| Alternate designations B |
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| Category | Main belt |
| Orbital elements C | |
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| Eccentricity (e) | 0.103 |
| Semi-major axis (a) | 452.303 Gm (3.023 AU) |
| Perihelion (q) | 405.637 Gm (2.712 AU) |
| Aphelion (Q) | 498.969 Gm (3.335 AU) |
| Orbital period (P) | 1920.198 d (5.26 a) |
| Mean orbital speed | 17.13 km/s |
| Inclination (i) | 6.052° |
| Longitude of the ascending node (Ω) |
22.205° |
| Argument of perihelion (ω) |
335.206° |
| Mean anomaly (M) | 18.924° |
| Physical characteristics D | |
| Dimensions | 75.0 km |
| Mass | unknown |
| Density | unknown |
| Surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Spectral class | unknown |
| Absolute magnitude | 9.62 |
| Albedo (geometric) | unknown |
| Mean surface temperature |
unknown |
331 Etheridgea is a large Main belt asteroid.
It was discovered by Auguste Charlois on April 1, 1892 in Nice.
| Minor planets | ||
|---|---|---|
| Previous minor planet | 331 Etheridgea | Next minor planet |
| List of asteroids | ||
Vulcanoids · Near-Earth asteroids · Main belt · Jupiter Trojans · Centaurs · Damocloids · Comets · Trans-Neptunians (Kuiper belt • Scattered disc • Oort cloud)
For other objects and regions, see Asteroid groups and families, Binary asteroids, Asteroid moons and the Solar System.
For a complete listing, see List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names.