(4170) Semmelweis

Asteroid (4170) Semmelweis
Properties of the orbit ( animation )
Orbit type	Main belt
Asteroid family	Eos family
Major semi-axis	3.021 AU
eccentricity	0.085
Perihelion - aphelion	2.763 AU - 3.279 AU
Inclination of the orbit plane	10.34 °
Length of the ascending node	171.98 °
Sidereal period	5.25 a
Physical Properties
Medium diameter	approx. 17 km
Absolute brightness	11.6 mag
history
Explorer	Zdeňka Vávrová
Date of discovery	August 6, 1980
Another name	1980 PT
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.

(4170) Semmelweis is a main belt asteroid that was discovered on August 6, 1980 by Zdeňka Vávrová from the Kleť observatory .

The asteroid was named after the doctor Ignaz Semmelweis .

Web links