- 21576 McGivney
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = McGivney
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =W. G. Dillon
discovery_site =Needville
discovered =September 19 ,1998
designations = yes
mp_name = 21576
alt_names = 1998 SH4
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 3.5844082
perihelion = 2.7660062
semimajor =
eccentricity = 0.1288738
period = 2066.6005661
avg_speed =
inclination = 2.17928
asc_node = 137.31006
mean_anomaly = 345.67531
arg_peri = 108.79922
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 = 13.921576 McGivney (1998 SH4) is a
Main-belt Asteroid discovered onSeptember 19 ,1998 byW. G. Dillon atNeedville .External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=21576+McGivney JPL Small-Body Database Browser on 21576 McGivney]
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