- 13937 Roberthargraves
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Roberthargraves
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =C. S. andE. M. Shoemaker
discovery_site =Palomar Observatory
discovered =August 2 ,1989
designations = yes
mp_name = 13937
alt_names = 1989 PU
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 3.1612479
perihelion = 1.9176621
semimajor =
eccentricity = 0.2448529
period = 1478.1183668
avg_speed =
inclination = 29.64580
asc_node = 137.96946
mean_anomaly = 222.92246
arg_peri = 194.67007
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 = 13.613937 Roberthargraves (1989 PU) is a
Main-belt Asteroid discovered onAugust 2 ,1989 byC. S. andE. M. Shoemaker atPalomar Observatory .External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=13937+Roberthargraves JPL Small-Body Database Browser on 13937 Roberthargraves]
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