(9946) 1990 ON2

Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = mp|(9946) 1990 ON|2
symbol =


caption = Orbit of mp|(9946) 1990 ON|2 (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter.
discovery = yes
discovery_ref =
discoverer = H. E. Holt
discovered = July 29, 1990
designations = yes
mp_name = mp|(9946) 1990 ON|2
alt_names =
mp_category =
orbit_ref =
epoch = October 27, 1990
aphelion = 2.4306641 AU
perihelion = 2.0875525 AU
semimajor = 2.2591083 AU
eccentricity = 0.0759396
period = 1240.2350438 d
avg_speed =
inclination = 3.18334°
asc_node = 2.27094°
mean_anomaly = 55.12390°
arg_peri = 281.52167°
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 = 14.1

mp|(9946) 1990 ON|2 is a main belt asteroid. It orbits the Sun once every 3.40 years. [cite web|url = http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=9946;orb=0;cov=0;log=0#elem|title = 9946 (1990 ON2)|work = JPL Small-Body Database Browser]

Discovered on July 29, 1990 by H. E. Holt, it was given the provisional designation "mp|1990 ON|2". [MPO 47637 "Minor Planet Center"]

References