(170) Maria

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(170) Maria
Properties of the orbit ( animation )
Orbit type Main belt asteroid
Asteroid family Maria family
Major semi-axis 2.553  AU
eccentricity 0.062
Perihelion - aphelion 2.394 AU - 2.712 AU
Inclination of the orbit plane 14.4 °
Length of the ascending node 301.4 °
Argument of the periapsis 158.2 °
Time of passage of the perihelion June 28, 2011
Sidereal period 4 a 29 d
Mean orbital velocity 18.6 km / s
Physical Properties
Medium diameter 44 km
Albedo 0.16
Rotation period 13.1 h
Absolute brightness 9.4 mag
Spectral class S.
Explorer J. Perrotin
Date of discovery January 10, 1877
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.

(170) Mary is an asteroid of the main belt , which on 10 January 1877 by the French astronomer Henri Joseph Perrotin was discovered.

It was named in memory of an early deceased sister of the Italian astronomer Antonio Abetti .

See also

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