- 78432 Helensailer
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Helensailer
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =R. Matson
discovery_site = Palomar
discovered =August 29 ,2002
designations = yes
mp_name = 78432
alt_names = 2002 QR50
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 3.5945313
perihelion = 2.8828433
semimajor =
eccentricity = 0.1098729
period = 2128.8838085
avg_speed =
inclination = 3.76428
asc_node = 24.39508
mean_anomaly = 257.79971
arg_peri = 63.78596
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 = 15.478432 Helensailer (2002 QR50) is a
Outer Main-belt Asteroid discovered onAugust 29 ,2002 byR. Matson on NEAT images taken at Palomar.External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=78432+Helensailer JPL Small-Body Database Browser on 78432 Helensailer]
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