- 20455 Pennell
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Pennell
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =Lincoln Laboratory Near-Earth Asteroid Research Team
discovery_site =Socorro
discovered =June 9 ,1999
designations = yes
mp_name = 20455
alt_names = 1999 LE4
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 2.6243836
perihelion = 2.0262560
semimajor =
eccentricity = 0.1286119
period = 1295.1571376
avg_speed =
inclination = 6.78679
asc_node = 136.71217
mean_anomaly = 169.56984
arg_peri = 144.79138
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 = 14.620455 Pennell (1999 LE4) is a
Main-belt Asteroid discovered onJune 9 ,1999 by theLincoln Laboratory Near-Earth Asteroid Research Team atSocorro .External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=20455+Pennell JPL Small-Body Database Browser on 20455 Pennell]
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