Occultation event
Chariklo
event on 2016-08-10
125
Radius (km)
0.042
Geometric albedo
1
Positive chords
France
Observed from
3D modelChariklo · interactive
Downloads 3.8 MB
Model of the occulting body, not a product of this event — a reconstruction, not a direct measurement. The values below are what this occultation measured.
Size — to scalevs Pluto
CHARIKLO · R 125 KMPLUTO · R 1188 KM
Chariklo — this objectPluto — comparison
Physical properties
Radius eq. (km)> 125
Equivalent radius (km)124.8 ± 3.0
Oblateness—
Axis ratios (b/a · c/a)0.94 · 0.689
Density (g/cm³)1.55 ± 0.08
ShapeTri-axial
Albedo (V)0.042 ± 1
Orbit — top viewheliocentric
15.84
a (AU)
0.17
e
23.36
i (deg)
Occultation record
Event date2016-08-10
Observed fromFrance
Positive chords1 // radius lower limit
KindMain
Delta (au)14.68
Star G mag.—
Object G mag.—
Astrometryfeeds NIMA ephemeris
Position Date (JD)2457611.196527770
RA position18 17 46.4457
Error RA·cos(δ) (mas)—
DEC position-33 50 57.523
Error DEC (mas)—
Where on the skyThe published position of this event, against the constellations.
Chart data: d3-celestial (BSD-3-Clause), from Hipparcos / Yale BSC and the IAU figures. Position J2000.
Atmosphere
Pressure (nbar)—
Atm. gas—
Reference & provenance
Lucky Star projectYes
ReferenceBérard, D. et al., AJ, 2017
Comment—