- 54509 YORP
Infobox Planet | minorplanet = yes | width = 25em | bgcolour = #FFFFC0
name=54509 YORP
caption=Radar image and 3D model
discovery=yes
discovery_ref= [http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html]
discoverer = Lincoln Laboratory Near-Earth Asteroid Research (LINEAR ) Team
discovery_site =Socorro
discovered =August 3 ,2000
designations = yes
mp_name = 54509
alt_names = mp|2000 PH|5
mp_category =Apollo asteroid
orbit_ref= [ftp://ftp.lowell.edu/pub/elgb/astorb.html]
epoch=February 04 ,2008 (JD 2454500.5)
semimajor=150.405 Gm (1.005 AU)
perihelion=115.804 Gm (0.774 AU)
aphelion=185.007 Gm (1.237 AU)
eccentricity=0.230
period=368.218 d (1.01 a)
inclination=1.601°
asc_node=278.392°
arg_perihelion=278.608°
mean_anomaly=260.696°
avg_speed=29.31 km/s
physical_characteristics = yes
dimensions=? km
mass=?e|? kg
density=? g/cm³
surface_grav=? m/s²
escape_velocity=? km/s
sidereal_day=? d
axial_tilt=?° | pole_ecliptic_lat=? | pole_ecliptic_lon=?
albedo=0.10?
single_temperature=~278 K
spectral_type=?
abs_magnitude=22.754509 YORP (mp|2000 PH|5) is an Apollo
Near-Earth Object (NEO) discovered onAugust 3 ,2000 by the Lincoln Laboratory Near-Earth Asteroid Research (LINEAR ) Team atSocorro . Measurements of the rotation rate of this object provided observational evidence of the YORP effect, hence the name of the asteroid.External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=54509+YORP JPL Small-Body Database Browser on 54509 YORP]
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