(4419) Allancook

Asteroid (4419) Allancook
Properties of the orbit ( animation )
Orbit type	Main belt asteroid
Major semi-axis	3.059 AU
eccentricity	0.213
Perihelion - aphelion	2.408 AU - 3.7098 AU
Inclination of the orbit plane	0.41 °
Length of the ascending node	231.8 °
Sidereal period	5.35 a
Physical Properties
Absolute brightness	12.5 mag
history
Explorer	Karl Wilhelm Reinmuth
Date of discovery	April 24, 1932
Another name	1932 HD, 1953 DH
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.

(4419) Allancook is a main belt asteroid that was discovered on April 24, 1932 by the German astronomer Karl Wilhelm Reinmuth from the State Observatory in Heidelberg-Königstuhl .

The asteroid was named after the American astrophysicist Allan F. Cook II .

Individual evidence

^ Lutz D. Schmadel: Dictionary of minor planet names . Vol. 1. Springer, Berlin & New York 2003