(48) Doris

Asteroid (48) Doris
Properties of the orbit ( animation )
Orbit type	Outer main belt
Major semi-axis	3.111 AU
eccentricity	0.073
Perihelion - aphelion	2.883 AU - 3.339 AU
Inclination of the orbit plane	6.6 °
Length of the ascending node	183.6 °
Argument of the periapsis	253.6 °
Time of passage of the perihelion	April 8, 2018
Sidereal period	5 a 175 d
Mean orbital velocity	16.9 km / s
Physical Properties
Medium diameter	221.80 km (± 7.5)
Albedo	0.0624
Rotation period	11 h 53 min
Absolute brightness	6.9 likes
Spectral class	CG
history
Explorer	HMS Goldschmidt
Date of discovery	September 19, 1857
Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items.

(48) Doris is an asteroid of the main belt that was discovered on September 19, 1857 by the Franco-German astronomer Hermann Mayer Salomon Goldschmidt .

Naming

It was named after a female Greek legend. Doris was an Oceanid and mother of the Nereids and Amphitrites .