![]() 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 |
4.64 yr (1695.1 d) | |
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 | |
Pierretta ( minor planet designation: 312 Pierretta) (A891 QA) is a 46 km main-belt asteroid discovered on 28 Aug 1891 by Auguste Charlois at Nice. [2]
![]() 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 |
4.64 yr (1695.1 d) | |
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 | |
Pierretta ( minor planet designation: 312 Pierretta) (A891 QA) is a 46 km main-belt asteroid discovered on 28 Aug 1891 by Auguste Charlois at Nice. [2]