322 Phaeo

**322 Phaeo**
Discovery ^A

Discoverer	A. Borrelly
Discovery date	November 27, 1891
Alternate designations ^B
Category	Main belt
Orbital elements ^C
Epoch 30 January 2005 (JD 2453400.5)
Eccentricity (e)	0.244
Semi-major axis (a)	417.019 G m (2.788 AU)
Perihelion (q)	315.131 Gm (2.107 AU)
Aphelion (Q)	518.906 Gm (3.469 AU)
Orbital period (P)	1699.948 d (4.65 a)
Mean orbital speed	17.84 km/s
Inclination (i)	8.016°
Longitude of the ascending node (Ω)	252.678°
Argument of perihelion (ω)	114.424°
Mean anomaly (M)	171.962°
Physical characteristics ^D
Dimensions	71.0 km
Mass	unknown
Density	unknown
Surface gravity	unknown
Escape velocity	unknown
Rotation period	unknown
Spectral class	M
Absolute magnitude	9.01
Albedo (geometric)	unknown
Mean surface temperature	unknown
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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 Coronis, 217 Eudora, and 308 Polyxo.^[1]

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