204 Kallisto

Infobox Planet | discovery=yes | physical_characteristics = yes | bgcolour=#FFFFC0 | name=204 Kallisto
discoverer=Johann Palisa
discovered=October 8, 1879
alt_names="n/a"
mp_category=Main belt
epoch=30 January, 2005 (JD 2453400.5)
semimajor=399.759 Gm (2.672 AU)
perihelion=331.062 Gm (2.213 AU)
aphelion=468.456 Gm (3.131 AU)
eccentricity=0.172
period=1595.51 d (4.37 a)
inclination=8.272°
asc_node=205.217°
arg_peri=55.712°
mean_anomaly=2.235°
avg_speed=18.22 km/s
dimensions=49.0 km
mass="unknown"
density="unknown"
surface_grav="unknown"
escape_velocity="unknown"
rotation=14.10 h
spectral_type=S
abs_magnitude=8.89
albedo=0.208
single_temperature="unknown"

204 Kallisto is a fairly typical, although sizeable Main belt asteroid. It is classified as an S-type asteroid. Like other asteroids of its type, it is light in colour.

It was discovered by Johann Palisa on October 8, 1879 in Pola.

The asteroid was named after the same nymph Callisto in Greek mythology as Jupiter's moon Callisto.

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 Light-curve Parameters]
* [http://www.psi.edu/pds/archive/albedo.html Asteroid Albedo Compilation]