(69987) 1998 WA25

Infobox Planet | discovery=yes | physical_characteristics=yes | bgcolour=#FFFFC0
name=mp|(69987) 1998 WA|25
discoverer=Marc W. Buie
discovered=November 19, 1998
mp_name=mp|(69987) 1998 WA|25
alt_names="none"
mp_category=TNO (cubewano)
epoch=20070410 JD
semimajor=6333.530526 Gm (42.337 AU)
perihelion=6201.884286 Gm (41.457 AU)
aphelion=6465.176766 Gm (43.217 AU)
eccentricity=0.021
period=100617 d (275.47 a) [ [http://hamilton.dm.unipi.it/cgi-bin/astdys/astibo?objects:1998WA25;main AstDyS: (69987) 1998WA25 ] ]
inclination=1.0°
asc_node=136.4°
arg_peri=204.2°
mean_anomaly=77.8°
avg_speed=?
dimensions=160 km [ [http://www.johnstonsarchive.net/astro/tnoslist.html List of known trans-Neptunian objects ] ]
mass=? kg
density=? g/cm³
surface_grav=? m/s²
escape_velocity=? km/h
sidereal_day=? d
spectral_type=?
abs_magnitude=7.2
albedo=0.09 (assumed)
single_temperature=? K

mp|(69987) 1998 WA|25, also written as (69987) 1998 WA25, is a cubewano. It has a perihelion (closest approach to the Sun) at 41.457 AU and an aphelion (farthest approach from the Sun) at 43.217 AU. It is about 160 km in diameter. It was discovered on November 19, 1998 by Marc W. Buie.

References

1. http://cfa-www.harvard.edu/iau/lists/TNOs.html