9986 Hirokun

9986 Hirokun

Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = 9986 Hirokun
symbol =


caption = Orbit of 9986 Hirokun (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter
discovery = yes
discovery_ref =
discoverer = Y. Shimizu & T. Urata
discovered = July 12, 1996
designations = yes
mp_name =
alt_names = 1996 NX, 1991 CM2, 1991 GM1
mp_category =
orbit_ref =
epoch = October 27, 2007
aphelion = 2.7140436 AU
perihelion = 2.4298774 AU
semimajor = 2.5719605 AU
eccentricity = 0.0552431
period = 1506.5893195 d
avg_speed =
inclination = 14.01495°
asc_node = 271.35273°
mean_anomaly = 316.66482°
arg_peri = 317.80995°
satellites =
physical_characteristics = yes
dimensions =
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 = S-type asteroid [cite web|url = http://people.roma2.infn.it/~masi/sdss_smass/|title = Search for Unusual Spectroscopic Candidates Among 40313 minor planets from the 3rd Release of the Sloan Digital Sky Survey Moving Object Catalog|author = Gianluca Masi, Sergio Foglia & Richard P. Binzel]
abs_magnitude = 12.7

9986 Hirokun is an S-type main belt asteroid. It orbits the Sun once every 4.12 years. [cite web|url = http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=9986;orb=0;cov=0;log=0#elem|title = 9986 Hirokun (1996 NX)|work = JPL Small-Body Database Browser]

Discovered on July 12, 1996 by Y. Shimizu and T. Urata, it was given the provisional designation 1996 NX. It was later renamed 9986 Hirokun, after the fiancé of T. Urata's daughter.

References


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