312 Pierretta
Discovery | |
---|---|
Discovered by | Auguste Charlois |
Discovery site | Nice Observatory |
Discovery date | 28 August 1891 |
Designations | |
MPC designation | (312) Pierretta |
Pronunciation | /piəˈrɛtə/[1] |
A891 QA | |
Minor planet category | 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 |
Synodic rotation period | 10.282 h (0.4284 d) |
0.1967±0.013 | |
S/Sk | |
Absolute magnitude (H) | 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]
References[]
- ^ "pierette". Lexico UK English Dictionary. Oxford University Press. n.d.
- ^ a b "312 Pierretta". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 June 2020.
External links[]
- 312 Pierretta at AstDyS-2, Asteroids—Dynamic Site
- 312 Pierretta at the JPL Small-Body Database
Categories:
- Minor planet object articles (numbered)
- Background asteroids
- Discoveries by Auguste Charlois
- Minor planets with names of unknown origin
- Named minor planets
- S-type asteroids (Tholen)
- Sk-type asteroids (SMASS)
- Astronomical objects discovered in 1891
- Main-belt-asteroid stubs