- 21474 Pamelatsai
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Pamelatsai
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =Lincoln Laboratory Near-Earth Asteroid Research Team
discovery_site =Socorro
discovered =April 21 ,1998
designations = yes
mp_name = 21474
alt_names = 1998 HO99
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 2.5789199
perihelion = 2.1756015
semimajor =
eccentricity = 0.0848284
period = 1338.7936279
avg_speed =
inclination = 6.37385
asc_node = 185.20389
mean_anomaly = 231.28100
arg_peri = 75.58749
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 = 15.821474 Pamelatsai (1998 HO99) is a
Main-belt Asteroid discovered onApril 21 ,1998 by theLincoln Laboratory Near-Earth Asteroid Research Team atSocorro .External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=21474+Pamelatsai JPL Small-Body Database Browser on 21474 Pamelatsai]
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