- 6420 Riheijyaya
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Riheijyaya
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =T. Kobayashi
discovery_site =Oizumi
discovered =December 14 ,1993
designations = yes
mp_name = 6420
alt_names = 1993 XG1
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 3.2890321
perihelion = 2.6904147
semimajor =
eccentricity = 0.1001125
period = 1888.1867224
avg_speed =
inclination = 8.91935
asc_node = 290.59489
mean_anomaly = 33.31872
arg_peri = 49.60266
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 = 11.26420 Riheijyaya (1993 XG1) is a
Main-belt Asteroid discovered onDecember 14 ,1993 byT. Kobayashi atOizumi .External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=6420+Riheijyaya JPL Small-Body Database Browser on 6420 Riheijyaya]
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