251 Sophia

Minor Planet | name=251 Sophia
discoverer=Johann Palisa
discovery_date=October 4, 1885
designations=A907 UA, 1950 RH₁,
1953 FN₁
category=Main belt
epoch=30 January, 2005 (JD 2453400.5)
semimajor=462.669 Gm (3.093 AU)
perihelion=413.717 Gm (2.766 AU)
aphelion=511.622 Gm (3.42 AU)
eccentricity=0.106
period=1986.59 d (5.44 a)
inclination=10.527°
asc_node=156.314°
arg_peri=287.098°
mean_anomaly=258.426°
speed=16.94 km/s
dimensions=28.0 km
mass="unknown"
density="unknown"
gravity="unknown"
escape_velocity="unknown"
rotation=20.216 h
spectral_class="unknown"
abs_mag=10.0
albedo=0.219
temperature="unknown"

251 Sophia is a main belt asteroid.

It was discovered by Johann Palisa on October 4, 1885 in Vienna and was named after Sophia, wife of astronomer Hugo von Seeliger.

References

* [ftp://ftp.lowell.edu/pub/elgb/astorb.html The Asteroid Orbital Elements Database]
* [http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html Minor Planet Discovery Circumstances]
* [http://spiff.rit.edu/richmond/parallax/phot/LCSUMPUB.TXT Asteroid Lightcurve Data File]
* [http://cfa-www.harvard.edu/iau/lists/LightcurveDat.html Minor Planet Lightcurve Parameters]