Occultation event
Chariklo
event on 2019-08-08
143.8
Radius (km)
—
Geometric albedo
5
Positive chords
—
Observed from
Size — to scalevs Pluto
CHARIKLO · R 143.8 KMPLUTO · R 1188 KM
Chariklo — this objectPluto — comparison
Physical properties
Radius eq. (km)143.8 ± 1.5
Equivalent radius (km)124.8 ± 3.0
Oblateness0.0598 ± 0.0305
Axis ratios (b/a · c/a)0.94 · 0.689
Density (g/cm³)1.55 ± 0.08
ShapeTri-axial
Albedo (V)—
Orbit — top viewheliocentric
15.84
a (AU)
0.17
e
23.36
i (deg)
Occultation record
Event date2019-08-08
Observed from—
Positive chords5
KindMain
Delta (au)15.298
Star G mag.15.2
Object G mag.18.725
Astrometryfeeds NIMA ephemeris
Position Date (JD)2458704.4034722
RA position19 31 49.7910264
Error RA·cos(δ) (mas)0.227
DEC position−25 34 26.785014
Error DEC (mas)544
Atmosphere
Pressure (nbar)—
Atm. gas—
Reference & provenance
Lucky Star projectYes
ReferenceB. E. Morgado et al, A&A, 652, A141, 2021
Link—
Comment—