- 18548 Christoffel
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Christoffel
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =P. G. Comba
discovery_site = Prescott
discovered =January 10 ,1997
designations = yes
mp_name = 18548
alt_names = 1997 AN12
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 2.6799691
perihelion = 2.4717327
semimajor =
eccentricity = 0.0404209
period = 1510.0089053
avg_speed =
inclination = 7.37758
asc_node = 205.65289
mean_anomaly = 176.18151
arg_peri = 325.82403
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 = 14.618548 Christoffel (1997 AN12) is a
Main-belt Asteroid discovered onJanuary 10 ,1997 byP. G. Comba at Prescott.External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=18548+Christoffel JPL Small-Body Database Browser on 18548 Christoffel]
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