Size — to scale vs Pluto
IXION · R 128.5 KM PLUTO · R 1188 KM
Physical properties
Radius eq. (km) 128.5
Equivalent radius (km) —
Oblateness 0
Axis ratios (b/a · c/a) —
Density (g/cm³) —
Shape Undetermined
Albedo (V) —
Orbit — top view heliocentric
Neptune 30 AU Occultation record
each line — one station saw the star vanish Event date 2014-06-24
Observed from Australia
Positive chords 2
Kind Main
Delta (au) 39.43
Star G mag. 14.3729
Object G mag. 19.529
Astrometry feeds NIMA ephemeris
Position Date (JD) 2456833.12083330
RA position 17 17 54.235706
Error RA·cos(δ) (mas) 0.11
DEC position −26 40 55.17494
Error DEC (mas) 0.39
Atmosphere
Pressure (nbar) no
Atm. gas —
Reference & provenance
Lucky Star project Yes
Reference Rommel et al, A&A, 644, A40, 2020
Link —
Comment This object has an ambiguous solution where the center of it could be north or south of the observed chord. In this case we assumed the north position.
