| Orbital characteristics 1 | |
|---|---|
| Orbit type | Main belt |
| Semimajor axis | 2.458 AU |
| Perihelion distance | 1.894 AU |
| Aphelion distance | 3.022 AU |
| Orbital period | 3.85 years |
| Inclination | 9.30° |
| Eccentricity | 0.229 |
| Physical characteristics 1 | |
| Diameter | 57.2 km |
| Rotation period 3 | 10.383 hours |
| Spectral class | S |
| Abs. magnitude | 8.33 |
| Albedo 4 | 0.252 |
| History 2 | |
| Discoverer | A. Borrelly, 1879 |
198 Ampella is a fairly large Main belt asteroid. It is an S-type asteroid.
It was discovered by Alphonse Borrelly on June 13, 1879. The name seems to be the feminine form of Ampelos, a satyr and good friend of Dionysus in Greek mythology. It could also derive from the Ampelose (plural of Ampelos), a variety of hamadryad.
So far Ampella has been observed occulting a star once, on November 8, 1991 from New South Wales, Australia.
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