.png) A three-dimensional model of 312 Pierretta based on its light curve | |
| Discovery | |
|---|---|
| Discovered by | Auguste Charlois |
| Discovery site | Nice Observatory |
| Discovery date | 28 August 1891 |
| Designations | |
| (312) Pierretta | |
| Pronunciation | /piəˈrɛtə/[1] |
| A891 QA | |
| Main belt | |
| Orbital characteristics[2] | |
| Epoch 31 May 2020 (JD 2459000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 128.66 yr (46994 d) |
| Aphelion | 3.227 AU (482.8 Gm) |
| Perihelion | 2.338 AU (349.8 Gm) |
| 2.782 AU (416.2 Gm) | |
| Eccentricity | 0.15982 |
| 4.64yr (1695.1d) | |
| 339.6932° | |
| 0° 12m 44.554s / day | |
| Inclination | 9.029344° |
| 6.25477° | |
| 262.764° | |
| Physical characteristics | |
| Dimensions | 49.96±1.5 km |
| 10.282 h (0.4284 d) | |
| 0.1967±0.013 | |
| S/Sk | |
| 8.89 | |
312 Pierretta (A891 QA) is a 46 kmmain-belt asteroid discovered on 28 Aug 1891 byAuguste Charlois atNice.[2]
_mathilde.jpg) | This article about an asteroid native to theasteroid belt is astub. You can help Wikipedia byexpanding it. |
