- 17988 Joannehsieh
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Joannehsieh
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =Lincoln Laboratory Near-Earth Asteroid Research Team
discovery_site =Socorro
discovered =May 10 ,1999
designations = yes
mp_name = 17988
alt_names = 1999 JR62
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 2.5528242
perihelion = 2.2047842
semimajor =
eccentricity = 0.0731544
period = 1340.0977497
avg_speed =
inclination = 6.01822
asc_node = 181.04094
mean_anomaly = 176.62011
arg_peri = 45.38335
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 = 14.817988 Joannehsieh (1999 JR62) is a
Main-belt Asteroid discovered onMay 10 ,1999 by theLincoln Laboratory Near-Earth Asteroid Research Team atSocorro .External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=17988+Joannehsieh JPL Small-Body Database Browser on 17988 Joannehsieh]
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