- 9820 Hempel
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Hempel
symbol =
caption =
discovery = yes
discovery_ref =
discoverer = C. J. van Houten, I. van Houten-Groeneveld, T. Gehrels
discovery_site =Palomar Observatory
discovered =March 26 ,1971
designations = yes
mp_name = 9820
alt_names = 3064 T-1
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 2.6901809
perihelion = 2.0119145
semimajor =
eccentricity = 0.1442477
period = 1316.7113641
avg_speed =
inclination = 0.26876
asc_node = 276.09965
mean_anomaly = 110.08943
arg_peri = 266.89977
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 = 15.29820 Hempel (3064 T-1) is a
Main-belt Asteroid discovered onMarch 26 ,1971 by C. J. van Houten, I. van Houten-Groeneveld, and T. Gehrels atPalomar Observatory .External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=9820+Hempel JPL Small-Body Database Browser on 9820 Hempel]
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