- 14163 Johnchapman
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Johnchapman
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =Spacewatch
discovery_site =Kitt Peak
discovered =October 13 ,1998
designations = yes
mp_name = 14163
alt_names = 1998 TY20
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 3.0868337
perihelion = 2.6684655
semimajor =
eccentricity = 0.0726927
period = 1783.0162355
avg_speed =
inclination = 0.79615
asc_node = 294.64900
mean_anomaly = 299.67990
arg_peri = 147.96031
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 = 14.314163 Johnchapman (1998 TY20) is a
Main-belt Asteroid discovered onOctober 13 ,1998 bySpacewatch atKitt Peak .External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=14163+Johnchapman JPL Small-Body Database Browser on 14163 Johnchapman]
Wikimedia Foundation. 2010.
