346 Hermentaria

346 Hermentaria
Discovery
Discovered by Auguste Charlois
Discovery date 25 November 1892
Designations
MPC designation (346) Hermentaria
Named after
 Herment
1892 P
Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 123.38 yr (45066 d)
Aphelion 3.07928 AU (460.654 Gm)
Perihelion 2.51443 AU (376.153 Gm)
2.79686 AU (418.404 Gm)
Eccentricity 0.10098
4.68 yr (1708.5 d)
17.81 km/s
188.671°
0° 12m 38.578s / day
Inclination 8.74967°
91.9628°
292.035°
Earth MOID 1.53353 AU (229.413 Gm)
Jupiter MOID 2.36358 AU (353.587 Gm)
Jupiter Tisserand parameter 3.302
Physical characteristics
Dimensions 106.52±2.2 km[1]
93.27 ± 3.05 km[2]
Mass (6.33 ± 0.18) × 1018 kg[2]
Mean density
 14.89 ± 1.52 g/cm3[2]
28.43 h (1.185 d)
0.2189±0.009
S
7.13

    346 Hermentaria is a very large main-belt asteroid. It is classified as an S-type asteroid.

    It was discovered by Auguste Charlois on November 25, 1892, in Nice.

    References

    1. 1 2 "346 Hermentaria (1892 P)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.
    2. 1 2 3 Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, 73, pp. 98–118, Bibcode:2012P&SS...73...98C, arXiv:1203.4336 Freely accessible, doi:10.1016/j.pss.2012.03.009. See Table 1.


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