397 Vienna

397 Vienna
Discovery
Discovered by	Auguste Charlois
Discovery date	19 December 1894
Designations
Named after	Vienna
Alternative names	1894 BM
Minor planet category	Main belt
Orbital characteristics^[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	117.48 yr (42909 d)
Aphelion	3.28657 AU (491.664 Gm)
Perihelion	1.98686 AU (297.230 Gm)
Semi-major axis	2.63671 AU (394.446 Gm)
Eccentricity	0.24646
Orbital period	4.28 yr (1563.8 d)
Average orbital speed	18.35 km/s
Mean anomaly	202.358°
Mean motion	0° 13^m 48.731^s / day
Inclination	12.8534°
Longitude of ascending node	227.935°
Argument of perihelion	139.975°
Earth MOID	1.00445 AU (150.264 Gm)
Jupiter MOID	2.25629 AU (337.536 Gm)
Jupiter Tisserand parameter	3.319
Physical characteristics
Dimensions	7004433400000000000♠43.34±1.8 km
Mass	unknown
Mean density	unknown
Equatorial surface gravity	unknown
Equatorial escape velocity	unknown
Rotation period	15.48 h (0.645 d)
Geometric albedo	6999177600000000000♠0.1776±0.015
Temperature	unknown
Spectral type	unknown
Absolute magnitude (H)	9.31

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

Yeomans, Donald K. (2007-05-02). "397 Vienna (1894 BM)". JPL Small-Body Database Browser. Retrieved 2007-05-02.

Minor planets navigator

396 Aeolia 397 Vienna 398 Admete

Designation Groups Moons Meanings of names Pronunciation of names

Asteroids	Aten asteroid Asteroid belt Families Jupiter Trojans Near-Earth Spectral types

Distant minor planets	Centaurs Damocloids Neptune trojans Trans-Neptunian objects Detached Kuiper belt Oort cloud Scattered disc

Lists / categories

This article is issued from Wikipedia - version of the 9/10/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.