- 8931 Hirokimatsuo
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Hirokimatsuo
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =T. Kobayashi
discovery_site =Oizumi
discovered =January 6 ,1997
designations = yes
mp_name = 8931
alt_names = 1997 AC4
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 2.9012251
perihelion = 1.8224089
semimajor =
eccentricity = 0.2283869
period = 1325.7687912
avg_speed =
inclination = 2.22479
asc_node = 341.73876
mean_anomaly = 218.40326
arg_peri = 329.61144
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 = 14.08931 Hirokimatsuo (1997 AC4) is a
Main-belt Asteroid discovered onJanuary 6 ,1997 byT. Kobayashi atOizumi .External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=8931+Hirokimatsuo JPL Small-Body Database Browser on 8931 Hirokimatsuo]
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