- 12490 Leiden
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Leiden
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =E. W. Elst
discovery_site =European Southern Observatory
discovered =May 3 ,1997
designations = yes
mp_name = 12490
alt_names = 1997 JB13
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 3.5761752
perihelion = 2.8322654
semimajor =
eccentricity = 0.1160828
period = 2094.9901105
avg_speed =
inclination = 0.94378
asc_node = 145.91068
mean_anomaly = 345.18625
arg_peri = 60.32887
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 = 14.312490 Leiden (1997 JB13) is a
Outer Main-belt Asteroid discovered onMay 3 ,1997 byE. W. Elst at theEuropean Southern Observatory .External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=12490+Leiden JPL Small-Body Database Browser on 12490 Leiden]
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