- 6225 Hiroko
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Hiroko
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =S. J. Bus
discovery_site =Siding Spring Observatory
discovered =March 1 ,1981
designations = yes
mp_name = 6225
alt_names = 1981 EK12
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 2.2857511
perihelion = 2.1382551
semimajor =
eccentricity = 0.0333399
period = 1201.6473383
avg_speed =
inclination = 5.34097
asc_node = 218.62448
mean_anomaly = 92.74018
arg_peri = 321.33947
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 = 15.26225 Hiroko (1981 EK12) is a
Main-belt Asteroid discovered onMarch 1 ,1981 byS. J. Bus atSiding Spring Observatory in the course of theU.K. Schmidt-Caltech Asteroid Survey .External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=6225+Hiroko JPL Small-Body Database Browser on 6225 Hiroko]
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