Occultation event
Chariklo
event on 2020-06-19
143.8
Radius (km)
—
Geometric albedo
1
Positive chords
Australia
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 date2020-06-19
Observed fromAustralia
Positive chords1 // radius lower limit
KindMain
Delta (au)15.55
Star G mag.15.6
Object G mag.18.807
Astrometryfeeds NIMA ephemeris
Position Date (JD)2459020.1604167
RA position20 02 32.0002322
Error RA·cos(δ) (mas)0.339
DEC position−22 20 41.488487
Error DEC (mas)227
Atmosphere
Pressure (nbar)—
Atm. gas—
Reference & provenance
Lucky Star projectYes
ReferenceB. E. Morgado et al, A&A, 652, A141, 2021
Link—
Comment—