- 19423 Hefter
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Hefter
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =Lincoln Laboratory Near-Earth Asteroid Research Team
discovery_site =Socorro
discovered =March 20 ,1998
designations = yes
mp_name = 19423
alt_names = 1998 FD58
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 2.6868450
perihelion = 2.1478334
semimajor =
eccentricity = 0.1114886
period = 1372.7923164
avg_speed =
inclination = 1.00811
asc_node = 301.97891
mean_anomaly = 311.28904
arg_peri = 173.28589
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 = 15.219423 Hefter (1998 FD58) is a
Main-belt Asteroid discovered onMarch 20 ,1998 by theLincoln Laboratory Near-Earth Asteroid Research Team atSocorro .References
External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=19423+Hefter JPL Small-Body Database Browser on 19423 Hefter]
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