- 12561 Howard
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Howard
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =Spacewatch
discovery_site =Kitt Peak
discovered =September 20 ,1998
designations = yes
mp_name = 12561
alt_names = 1998 SX7
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 3.5227235
perihelion = 2.7001449
semimajor =
eccentricity = 0.1321864
period = 2004.6536922
avg_speed =
inclination = 0.76642
asc_node = 43.12833
mean_anomaly = 65.50918
arg_peri = 155.84248
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 = 12.512561 Howard (1998 SX7) is a
Main-belt Asteroid discovered onSeptember 20 ,1998 bySpacewatch atKitt Peak .External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=12561+Howard JPL Small-Body Database Browser on 12561 Howard]
Wikimedia Foundation. 2010.