223 Rosa

Infobox Planet | discovery=yes | physical_characteristics = yes | bgcolour=#FFFFC0 | name=223 Rosa
discoverer=Johann Palisa
discovered=March 9, 1882
alt_names=A887 BA, 1942 EL
mp_category=Main belt (Themis)
epoch=30 January, 2005 (JD 2453400.5)
semimajor=462.596 Gm (3.092 AU)
perihelion=405.399 Gm (2.71 AU)
aphelion=519.792 Gm (3.475 AU)
eccentricity=0.124
period=1986.115 d (5.44 a)
inclination=1.94°
asc_node=48.359°
arg_peri=57.875°
mean_anomaly=273.279°
avg_speed=16.94 km/s
dimensions=88.0 km
mass="unknown"
density="unknown"
surface_grav="unknown"
escape_velocity="unknown"
rotation="unknown"
spectral_type=CP
abs_magnitude=9.68
albedo="unknown"
single_temperature="unknown"

223 Rosa is a large Main belt asteroid. It is classified as a combination of C-type and P-type asteroids, so it is probably composed of carbonaceous material rich in water ice. It is also a member of the Themis asteroid family.

It was discovered by Johann Palisa on March 9, 1882 in Vienna.

Origin of the name is not known.

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]