- 9663 Zwin
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Zwin
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =E. W. Elst
discovery_site =European Southern Observatory
discovered =April 15 ,1996
designations = yes
mp_name = 9663
alt_names = 1996 GC18
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 2.8967678
perihelion = 2.3899748
semimajor =
eccentricity = 0.0958611
period = 1569.7688337
avg_speed =
inclination = 0.87933
asc_node = 123.89694
mean_anomaly = 6.86992
arg_peri = 1.72287
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 = 14.59663 Zwin (1996 GC18) is a
Main-belt Asteroid discovered onApril 15 ,1996 byE. W. Elst at theEuropean Southern Observatory .External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=9663+Zwin JPL Small-Body Database Browser on 9663 Zwin]
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