(4510) Shawna

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Asteroid
(4510) Shawna
Properties of the orbit ( animation )
Epoch:  May 23, 2014 ( JD 2,456,800.5)
Orbit type Inner main belt asteroid
Asteroid family Vesta family
Major semi-axis 2.3600  AU
eccentricity 0.1381
Perihelion - aphelion 2.0341 AU - 2.6860 AU
Inclination of the orbit plane 7.0406 °
Length of the ascending node 3.5200 °
Argument of the periapsis 338.0999 °
Sidereal period 3.63 a
Mean orbital velocity 19.39 km / s
Physical Properties
Absolute brightness 12.8 mag
Spectral class S.
history
Explorer Clyde Tombaugh
Date of discovery December 13, 1930
Another name 1930 XK , 1966 UC 1 , 1977 TY 3 , 1987 MJ 1 , 1988 VP 2
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.

(4510) Shawna is a main inner belt asteroid discovered on December 13, 1930 by the American astronomer Clyde Tombaugh (1906–1997) at the Lowell Observatory ( IAU code 690) in Flagstaff , Arizona , almost nine months after his discovery of the dwarf planet Pluto .

The asteroid belongs to the Vesta family , a large group of asteroids named after (4) Vesta , the second largest asteroid and third largest celestial body in the main belt.

(4510) Shawna was named after Shawna Willoughby, Clyde Tombaugh's granddaughter, on May 28, 1991. The asteroid of the inner main belt (4755) was named Nicky after another granddaughter of Tombaugh, Nichole Tombaugh .

Web links

Individual evidence

  1. Master list of well classified asteroids (English)
  2. The family affiliation of (4510) Shawna in the database AstDyS-2 (English)
  3. The Minor Planet Circulars # 18161 to # 18322 , page 148 ( PDF , English; 346 kB)