| Discovery | |
|---|---|
| Discovered by: | Norman Robert Pogson |
| Discovery date: | May 2, 1864 |
| Orbital characteristics | |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion | 412.343 Gm (2.756 AU) |
| Perihelion: | 274.831 Gm (1.837 AU) |
| Semi-major axis: | 343.587 Gm (2.297 AU) |
| Eccentricity: | 0.200 |
| Orbital period: | 1271.350 d (3.48 a) |
| Avg. orbital speed: | 19.46 km/s |
| Mean anomaly: | 262.909° |
| Inclination: | 8.664° |
| Longitude of ascending node: | 218.819° |
| Argument of perihelion: | 139.111° |
| Physical characteristics | |
| Dimensions: | 78.4 km |
| Mass: | 5.0×1017 kg |
| Mean density: | ? g/cm³ |
| Equatorial surface gravity: | 0.0219 m/s² |
| Escape velocity: | 0.0414 km/s |
| Rotation period: | ? d |
| Albedo: | 0.185 [1] |
| Temperature: | ~184 K |
| Spectral type: | S |
| Absolute magnitude: | 7.98 |
80 Sappho (saf'-oe, IPA: /ˈsæfoʊ/) is a quite large main belt asteroid. It was discovered by Norman Pogson on May 2, 1864 and is named after Sappho, the Greek poet.
References
| Minor planets (see full list) |
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|---|---|---|
| Previous minor planet | 80 Sappho | 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. |
