(878) Mildred
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.