- 8378 Sweeney
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Sweeney
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =E. F. Helin
discovery_site = Palomar
discovered =September 23 ,1992
designations = yes
mp_name = 8378
alt_names = 1992 SN1
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 3.1068424
perihelion = 2.0410078
semimajor =
eccentricity = 0.2070446
period = 1508.3157848
avg_speed =
inclination = 15.08672
asc_node = 11.35102
mean_anomaly = 265.71261
arg_peri = 27.48417
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 = 12.78378 Sweeney (1992 SN1) is a
Main-belt Asteroid discovered onSeptember 23 ,1992 byE. F. Helin at Palomar.External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=8378+Sweeney JPL Small-Body Database Browser on 8378 Sweeney]
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