397 Vienna is a typical Main belt asteroid. The Tholen spectral type is S and the SMASSII spectral type is K.

It was discovered by Auguste Charlois on December 19, 1894 in Nice.

References

de:(397) Vienna el:397 es:(397) Vienna eo:397 Vieno eu:397 Vienna fa: fr:(397) Vienna it:397 Vienna la:397 Vienna hu:397 Vienna ja: ( ) no:397 Vienna nn:397 Vienna pl:397 Vienna pt:397 Vienna sk:397 Vienna sl:397 Vienna sr:397 Vienna tl:397 Vienna uk:397 vi:397 Vienna yo:397 Vienna zh: 397