(15809) 1994 JS

Infobox Planet
bgcolour = #FFFFC0
name = (15809) 1994 JS
symbol =


caption = "no image"
discovery = yes
discoverer = David C. Jewitt and Jane X. Luu
discovered = May 11, 1994
mp_name = (15809) 1994 JS
alt_names = "none"
mp_category = TNO
epoch =
aphelion = 51.954 AU
perihelion = 33.095 AU
semimajor = 42.524 AU
semiminor =
orbital_circ =
eccentricity = 0.222
period = 277.31a (101287 d) [ [http://hamilton.dm.unipi.it/cgi-bin/astdys/astibo?objects:1994JS;main AstDyS: (15809) 1994JS ] ]
avg_speed =
max_speed =
min_speed =
inclination = 14.0°
asc_node = 56.3°
arg_peri = 236.5°
physical_characteristics = yes
dimensions = 121 km [ [http://www.johnstonsarchive.net/astro/tnoslist.html List of known trans-Neptunian objects ] ]
radius = 60.5 km (derived)
surface_area = ?km²
volume = 9.28e⁵ km³
mass = 1.86e¹³ kg
density = 2.0 g/cc (assumed)
surface_grav =
escape_velocity =
sidereal_day =
rot_velocity =
albedo = 0.09 (assumed)
single_temperature =
spectral_class =
abs_magnitude = 7.8

(15809) 1998 JS is a trans-Neptunian object that resides in the Kuiper belt beyond Pluto. It is in a 3:5 orbital resonance the Neptune.

References

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