(120347) 2004 SB60

Infobox Planet | discovery=yes | physical_characteristics=yes
bgcolour=#FFFFC0
name=mp|(120347) 2004 SB|60
discoverer=Henry G. Roe, Michael E. Brown, Kristina M. Barkume
discovered=September 22, 2004
mp_name=mp|(120347) 2004 SB|60
alt_names="none"
mp_category=TNO
epoch=
semimajor=41.9697 AU [ [http://www.johnstonsarchive.net/astro/astmoons/am-120347.html (120347) 2004 SB60 ] ]
perihelion=37.3920 AU
aphelion=46.5474 AU
eccentricity=0.109071
period=90312.3 d 271.90y
inclination=23.920°
asc_node=280.008°
arg_peri=309.461°
mean_anomaly=107.849°
avg_speed=? km/s
satellites=1
dimensions=580 km
mass=2.04e20 kg
density=2.0?
surface_grav=? m/s²
escape_velocity=?
sidereal_day=?
spectral_type=?
abs_magnitude=4.4
albedo=0.09 (assumed)
single_temperature=? K

(120347) 2004 SB₆₀, also written as (120347) 2004 SB60, is a trans-Neptunian object that resides in the Kuiper belt. It was discovered on September 22, 2004 by Michael E. Brown, Henry G. Roe, and Kristina M. Barkume at the Palomar Observatory. Brown expects it to be a dwarf planet. [http://web.gps.caltech.edu/~mbrown/dwarfplanets/]

(120347) 2004 SB₆₀ orbits the Sun at an average distance slightly larger than that of Pluto.

Satellite

(120347) 2004 SB₆₀ has one natural satellite that orbits its primary every 5 days at a distance of 3500 km.

References