| Discovery | |
|---|---|
| Discovered by: | Norman Robert Pogson |
| Discovery date: | August 16, 1857 |
| Orbital characteristics | |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion | 442.886 Gm (2.961 AU) |
| Perihelion: | 312.736 Gm (2.091 AU) |
| Semi-major axis: | 377.811 Gm (2.526 AU) |
| Eccentricity: | 0.172 |
| Orbital period: | 1465.958 d (4.01 a) |
| Avg. orbital speed: | 18.60 km/s |
| Mean anomaly: | 45.401° |
| Inclination: | 2.342° |
| Longitude of ascending node: | 181.168° |
| Argument of perihelion: | 176.882° |
| Physical characteristics | |
| Dimensions: | 124.1 km |
| Mass: | 2.0×1018 kg |
| Mean density: | ? g/cm³ |
| Equatorial surface gravity: | 0.0347 m/s² |
| Escape velocity: | 0.0656 km/s |
| Rotation period: | ? d |
| Albedo: | 0.052 [1] |
| Temperature: | ~175 K |
| Spectral type: | C |
| Absolute magnitude: | 8.36 |
46 Hestia (IPA: /ˈhɛstiə/) is a large, dark Main belt asteroid. It is also the primary body of the Hestia asteroid clump. It was discovered by N. R. Pogson on August 16, 1857 and is named after Hestia, Greek goddess of the hearth.
References
| Minor planets (see full list) |
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| Previous minor planet | 46 Hestia | Next minor planet |
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| Vulcanoids · Near-Earth asteroids · Main belt · Jupiter Trojans · Centaurs · Damocloids · Neptune Trojans · Comets · Trans-Neptunians (Kuiper belt • Scattered disc objects • Oort cloud) |
| For other objects and regions, see Asteroid groups and families, Binary asteroids, Asteroid moons, meteoroids and the Solar System. For a complete listing, see List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names. |
