- 12310 Londontario
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Londontario
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =Spacewatch
discovery_site =Kitt Peak
discovered =February 29 ,1992
designations = yes
mp_name = 12310
alt_names = 1992 DE4
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 3.2382084
perihelion = 2.2301628
semimajor =
eccentricity = 0.1843411
period = 1651.3548610
avg_speed =
inclination = 1.69883
asc_node = 141.39336
mean_anomaly = 354.54722
arg_peri = 225.57965
satellites =
physical_characteristics = yes
dimensions =
mass =
density =
surface_grav =
escape_velocity =
sidereal_day =
axial_tilt =
pole_ecliptic_lat =
pole_ecliptic_lon =
albedo =
temperatures=
temp_name1 =
mean_temp_1 =
max_temp_1 =
temp_name2 =
max_temp_2 =
spectral_type =
abs_magnitude = 14.212310 Londontario (1992 DE4) is a
Main-belt Asteroid discovered onFebruary 29 ,1992 bySpacewatch atKitt Peak .External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=12310+Londontario JPL Small-Body Database Browser on 12310 Londontario]
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