312 Pierretta
A three-dimensional model of 312 Pierretta based on its light curve
Discovery
Discovered byAuguste Charlois
Discovery siteNice Observatory
Discovery date28 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 arc128.66 yr (46994 d)
Aphelion3.227 AU (482.8 Gm)
Perihelion2.338 AU (349.8 Gm)
2.782 AU (416.2 Gm)
Eccentricity0.15982
4.64 yr (1695.1 d)
339.6932°
0° 12m 44.554s / day
Inclination9.029344°
6.25477°
262.764°
Physical characteristics
Dimensions49.96±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]

    References

    1. "pierette". Lexico UK English Dictionary. Oxford University Press.
    2. 1 2 "312 Pierretta". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 June 2020.


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