(2131) Mayall

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Asteroid
(2131) Mayall
Properties of the orbit ( animation )
Epoch:  January 13, 2016 ( JD 2,457,400.5)
Orbit type Inner main belt asteroid
Major semi-axis 1.8873  AU
eccentricity 0.1110
Perihelion - aphelion 1.6779 AU - 2.0968 AU
Inclination of the orbit plane 33.9886 °
Length of the ascending node 306.0569 °
Argument of the periapsis 38.5472 °
Sidereal period 2.59 a
Mean orbital velocity 21.68 km / s
Physical Properties
Medium diameter 7.77 km (± 0.5)
Albedo 0.2391 (± 0.031)
Rotation period 2.5678 h
Absolute brightness 12.72 mag
Spectral class S.
history
Explorer Arnold R. Klemola
Date of discovery 3rd September 1975
Another name 1975 RA
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.

(2131) Mayall is an asteroid of the main inner belt that was discovered on September 3, 1975 by the American astronomer Arnold R. Klemola at the Lick Observatory ( IAU code 662) on the summit of Mount Hamilton , near the city of San Jose , California has been discovered.

In his perihelion, Mayall comes very close to the orbit of the planet Mars (2131) . At almost 34 ° its orbit around the sun is very steep.

The asteroid was named on March 1, 1981 after the American astronomer Nicholas Mayall (1906-1993), who from 1934 to 1960 at the Lick Observatory on nebulae , supernovae , the movement patterns in spiral galaxies , on the redshift and on the age, the formation and Origin and the size of the universe .

See also

Web links