- 10217 Richardcook
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Richardcook
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =JPL Near-Earth Asteroid Tracking program
discovery_site =Haleakala
discovered =September 27 ,1997
designations = yes
mp_name = 10217
alt_names = 1997 SN4
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 3.2924698
perihelion = 1.9392932
semimajor =
eccentricity = 0.2586464
period = 1545.3453254
avg_speed =
inclination = 13.21063
asc_node = 357.62658
mean_anomaly = 174.76690
arg_peri = 2.15825
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 = 12.510217 Richardcook (1997 SN4) is a
Main-belt Asteroid discovered onSeptember 27 ,1997 by theJPL Near-Earth Asteroid Tracking program atHaleakala .External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=10217+Richardcook JPL Small-Body Database Browser on 10217 Richardcook]
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