- 5780 Lafontaine
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Lafontaine
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =E. W. Elst
discovery_site =La Silla
discovered =March 02 ,1990
designations = yes
mp_name = 5780
alt_names = 1990 EJ2
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 3.7625749
perihelion = 2.9445719
semimajor =
eccentricity = 0.1219599
period = 2243.1594852
avg_speed =
inclination = 8.68043
asc_node = 233.56421
mean_anomaly = 166.26730
arg_peri = 116.03821
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 = 11.85780 Lafontaine (1990 EJ2) is a
Outer Main-belt Asteroid discovered onMarch 02 ,1990 byE. W. Elst atLa Silla .External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=5780+Lafontaine JPL Small-Body Database Browser on 5780 Lafontaine]
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