- (9961) 1991 XK
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = (9961) 1991 XK
symbol =
caption = Orbit of (9961) 1991 XK (blue), planets (red) and theSun (black). The outermost planet visible isJupiter .
discovery = yes
discovery_ref =
discoverer =S. Ueda &H. Kaneda
discovered =December 4 ,1991
designations = yes
mp_name = (9961) 1991 XK
alt_names = 1976 JT, 1989 BP
mp_category =
orbit_ref =
epoch =October 27 ,2007
aphelion = 2.4788999 AU
perihelion = 2.0017683 AU
semimajor = 2.2403341 AU
eccentricity = 0.1064867
period = 1224.8068709 d
avg_speed =
inclination = 4.85106°
asc_node = 240.07606°
mean_anomaly = 175.02117°
arg_peri = 290.19105°
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 =
abs_magnitude = 14.2(9961) 1991 XK is a
main belt asteroid . It orbits theSun once every 3.35 years. [cite web|url = http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=9961;orb=0;cov=0;log=0#elem|title = 9961 (1991 XK)|work = JPL Small-Body Database Browser]Discovered by
S. Ueda &H. Kaneda onDecember 4 ,1991 , it was given the provisional designation "1991 XK". ["MPO 97227" Minor Planet Center]References
Wikimedia Foundation. 2010.