(878) Mildred

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Asteroid
(878) Mildred
Properties of the orbit ( animation )
Orbit type Main belt asteroid
Asteroid family Hertha family
Major semi-axis 2.3621  AU
eccentricity 0.2258
Perihelion - aphelion 1.8288 AU - 2.8955 AU
Inclination of the orbit plane 2.06 °
Sidereal period 3,630 a
Mean orbital velocity 19.38 km / s
Physical Properties
Medium diameter ? km
Albedo ?
Rotation period ? H
Absolute brightness 14.7 mag
Spectral class ?
history
Explorer SB Nicholson
Date of discovery September 6, 1916
Another name 1916 f, 1985 VG 6 , 1991 GZ 8
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.

(878) Mildred is an asteroid of the main belt , which on 6 September 1916 by the US astronomer Seth Barnes Nicholson at Mount Wilson Observatory was discovered.

The asteroid was named after the daughter of the American astronomer Harlow Shapley .

He was missing for a long time and was only found in 1991 by Gareth Vaughan Williams with recordings dating back to 1985.

See also