(174567) 2003 MW12

Infobox Planet
bgcolour=#FFFFC0
name=mp|(174567) 2003 MW|12
discovery=yes
discoverer=J. A. Larsen [ [http://cfa-www.harvard.edu/iau/lists/TNOs.html List Of Transneptunian Objects ] ]
discovered=June 21, 2003
mp_name=mp|2003 MW|12
alt_names="none"
mp_category=TNO (cubewano)
epoch=December 31, 2006 (JD 2454100.5)
semimajor=6 874.410 Gm (45.953 AU)
perihelion=5 927.302 Gm (39.622 AU)
aphelion=7 821.517 Gm (52.284 AU)
eccentricity=0.138
period=113 779.342 d (311.51 a)
inclination=21.494°
asc_node=184.009°
arg_peri=181.811°
mean_anomaly=257.434°
avg_speed=4.37 km/s
physical_characteristics=yes
dimensions=765 km [ [http://www.johnstonsarchive.net/astro/tnoslist.html List of known trans-Neptunian objects ] ]
mass=4.7e|20? kg
density=2.0? g/cm³
surface_grav=0.2138? m/s²
escape_velocity=0.4044? km/s
sidereal_day=? d
spectral_type=?
abs_magnitude=3.72
albedo=0.10?
single_temperature=~41 K

mp|(174567) 2003 MW|12 is a trans-Neptunian object (TNO) that is in the Kuiper belt. It was discovered on June 21, 2003 by Jeffrey A. Larsen.

References