206 Hersilia

Infobox Planet | discovery=yes | physical_characteristics = yes | bgcolour=#FFFFC0 | name=206 Hersilia
discoverer=C. H. F. Peters
discovered=October 13, 1879
alt_names=1961 WG, 1974 PM
mp_category=Main belt
epoch=30 January, 2005 (JD 2453400.5)
semimajor=409.873 Gm (2.74 AU)
perihelion=393.121 Gm (2.628 AU)
aphelion=426.626 Gm (2.852 AU)
eccentricity=0.041
period=1656.444 d (4.54 a)
inclination=3.781°
asc_node=145.281°
arg_peri=302.608°
mean_anomaly=153.721°
avg_speed=17.99 km/s
dimensions=104.6 km
mass="unknown"
density="unknown"
surface_grav="unknown"
escape_velocity="unknown"
rotation=7.330 h
spectral_type=C
abs_magnitude=8.68
albedo=0.055
single_temperature="unknown"

206 Hersilia is a fairly large Main belt asteroid. It is classified as a primitive, dark carbon-rich C-type asteroid.

It was discovered by C. H. F. Peters on October 13, 1879 in Clinton, New York.

It was named after Hersilia, Roman wife of Romulus.

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://www.psi.edu/pds/archive/lc.html Asteroid Lightcurve Parameters]
* [http://www.psi.edu/pds/archive/albedo.html Asteroid Albedo Compilation]