9971 Ishihara

Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = 9971 Ishihara
symbol =


caption = Orbit of 9971 Ishihara (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter.
discovery = yes
discovery_ref =
discoverer = K. Endate & K. Watanabe
discovered = April 16, 1993
designations = yes
mp_name = 9971 Ishihara
alt_names = 1993 HS, mp|1991 YC|2, mp|1996 EU|1
mp_category =
orbit_ref =
epoch = October 27, 2007
aphelion = 2.4464386 AU
perihelion = 1.916677 AU
semimajor = 2.1815578 AU
eccentricity = 0.1214182
period = 1176.9242810 d
avg_speed =
inclination = 2.74863°
asc_node = 20.62299°
mean_anomaly = 137.46549°
arg_peri = 245.92258°
satellites =
physical_characteristics = yes
dimensions = ~22.4 km [cite web|url = http://www.iop.org/EJ/article/1538-3881/123/2/1056/FP206.txt?request-id=ZkkEm1jA3BGTV3i82wi7Kg|title = The supplemental IRAS minor planet survey (SIMPS)|author = Tedesco E.F., Noah P.V., Noah M., Price S.D.]
mass =
density =
surface_grav =
escape_velocity =
sidereal_day =
axial_tilt =
pole_ecliptic_lat =
pole_ecliptic_lon =
albedo =
temperatures=yes
temp_name1 = Kelvin
mean_temp_1 =
max_temp_1 =
temp_name2 = Celsius
max_temp_2 =
spectral_type =
abs_magnitude = 13.9

9971 Ishihara is a main belt asteroid. It orbits the Sun once every 3.22 years. [cite web|url = http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=9971;orb=0;cov=0;log=0#elem|title = 9971 Ishihara (1993 HS)|work = JPL Small-Body Database Browser]

Discovered on April 16, 1993 by K. Endate and K. Watanabe it was given the provisional designation 1993 HS. It was later renamed Ishihara after Takahiro Ishihara, a former president of the Hiroshima Astronomical Society. ["MPC 47298" Minor Planet Center]

References