- 21680 Richardschwartz
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Richardschwartz
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =
discovery_site =
discovered =
designations = yes
mp_name = 21680
alt_names = 1999 RS31
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 2.9156367
perihelion = 2.6064271
semimajor =
eccentricity = 0.0559953
period = 1675.7358889
avg_speed =
inclination = 5.28862
asc_node = 186.47747
mean_anomaly = 269.47848
arg_peri = 227.33032
satellites =
physical_characteristics = yes
dimensions =
mass =
density =
surface_grav =
escape_velocity =
sidereal_day =
axial_tilt =
pole_ecliptic_lat =
pole_ecliptic_lon =
albedo =
temperatures=
temp_name1 =
mean_temp_1 =
max_temp_1 =
temp_name2 =
max_temp_2 =
spectral_type =
abs_magnitude = 14.621680 Richardschwartz (1999 RS31) is a
Main-belt Asteroid discovered onby at . External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=21680+Richardschwartz JPL Small-Body Database Browser on 21680 Richardschwartz]
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