322 Phaeo

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322 Phaeo
Discovery
Discovered by A. Borrelly
Discovery date 27 November 1891
Designations
Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 124.36 yr (45423 d)
Aphelion 3.46700 AU (518.656 Gm)
Perihelion 2.09653 AU (313.636 Gm)
2.78177 AU (416.147 Gm)
Eccentricity 0.24633
4.64 yr (1694.6 d)
17.84 km/s
342.927°
0° 12m 44.759s / day
Inclination 8.05309°
252.366°
115.081°
Earth MOID 1.11004 AU (166.060 Gm)
Jupiter MOID 2.08994 AU (312.651 Gm)
Jupiter Tisserand parameter 3.274
Physical characteristics
Dimensions 70.84±4.9 km[1]
71.88 ± 4.32 km[2]
Mass (1.86 ± 0.04) × 1018 kg[2]
Mean density
9.56 ± 1.73 g/cm3[2]
17.5845 h (0.73269 d)
0.0876±0.013
M
9.01

322 Phaeo is a large Main belt asteroid. It is classified as a M-type asteroid.

The asteroid was discovered by A. Borrelly on November 27, 1891 in Marseilles, France. It was named for the Greek mythological figure Phaeo, one of the Hyades or nymphs. Several other asteroids were named for other of the Hyades – 106 Dione, 158 Koronis, 217 Eudora, and 308 Polyxo.[3]

References[edit]

  1. ^ a b "322 Phaeo". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016. 
  2. ^ a b c Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science 73, pp. 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009.  See Table 1.
  3. ^ Lutz D. Schmadel, Dictionary of Minor Planet Names, p. 42. Springer, ISBN 3-540-00238-3.

External links[edit]