(9945) 1990 KX

Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = (9945) 1990 KX
symbol =


caption = Orbit of (9945) 1990 KX (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter.
discovery = yes
discovery_ref =
discoverer = E. F. Helin
discovered = May 21, 1990
designations = yes
mp_name = (9945) 1990 KX
alt_names = mp|1971 UU|2, mp|1981 UL|24, mp|1987 QT|11, mp|1993 FH|2
mp_category =
orbit_ref =
epoch = October 27, 1990
aphelion = 2.5373296 AU
perihelion = 1.88319 AU
semimajor = 2.2102598 AU
eccentricity = 0.147978
period = 1200.2270830 d
avg_speed =
inclination = 5.43736°
asc_node = 104.87713°
mean_anomaly = 87.02514°
arg_peri = 168.43787°
satellites =
physical_characteristics = yes
dimensions = ~23.4km [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 = ~0.01
temperatures=yes
temp_name1 = Kelvin
mean_temp_1 =
max_temp_1 =
temp_name2 = Celsius
max_temp_2 =
spectral_type =
abs_magnitude = 13.8

(9945) 1990 KX is a main belt asteroid. It orbits the Sun once every 3.29 years. [cite web|url = http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=9945;orb=0;cov=0;log=0#elem|title = 9945 (1990 KX)|work = JPL Small-Body Database Browser]

Discovered on May 19, 1990 by E. F. Helin working at the Palomar Observatory, it was given the provisional designation "1990 KX". [MPO 97227 "Minor Planet Center]

References