391 Ingeborg

Minor Planet | name=391 Ingeborg
discoverer=Max Wolf
discovery_date=November 1, 1894
designations=1894 BE
category=Main belt, Mars crosser
epoch=30 January, 2005 (JD 2453400.5)
semimajor=347.0 Gm (2.32 AU)
perihelion=240.489 Gm (1.608 AU)
aphelion=453.512 Gm (3.032 AU)
eccentricity=0.307
period=1290.318 d (3.53 a)
inclination=23.17°
asc_node=213.006°
arg_peri=146.554°
mean_anomaly=90.212°
speed=19.09 km/s
dimensions=20 - 50 km
mass="unknown"
density="unknown"
gravity="unknown"
escape_velocity="unknown"
rotation=26.4 h
spectral_class=S
abs_mag=10.1
albedo="unknown"
temperature="unknown"

391 Ingeborg is probably a typical Main belt asteroid.

It was discovered by Max Wolf on November 1, 1894 in Heidelberg.

References

* [http://www.hohmanntransfer.com/cgi-bin/get.cgi Catchall Catalog of Minor Planets]
* [http://hamilton.dm.unipi.it/cgi-bin/astdys/astibo?objects:Ingeborg;main NeoDys]
*
* telnet://ssd.jpl.nasa.gov:6775 telnet for JPL Horizons, easier and more comprehensive than web version

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