← Back to results◎ All events of Chariklo
Occultation event

Chariklo

1997 CU26CentaurRing
event on 2013-06-03
144.9
Radius (km)
0.035
Geometric albedo
3
Positive chords
Argentina, Brazil, Chile
Observed from
Size — to scalevs Pluto
CHARIKLO · R 144.9 KMPLUTO · R 1188 KM
Chariklo — this objectPluto — comparison
Physical properties
Radius eq. (km)144.9 ± 0.2
Equivalent radius (km)126.9 ± 0.2
Oblateness0.213 ± 2
Axis ratios (b/a · c/a)
Density (g/cm³)1.5 ± <
ShapeMaclaurin
Albedo (V)0.035 ± 1
Orbit — top viewheliocentric
Neptune 30 AU
15.84
a (AU)
0.17
e
23.36
i (deg)
Occultation record
each line — one station saw the star vanish
Event date2013-06-03
Observed fromArgentina, Brazil, Chile
Positive chords3
KindMain
Delta (au)13.58
Star G mag.
Object G mag.
Astrometryfeeds NIMA ephemeris
Position Date (JD)2456446.770830
RA position16 56 06.4618
Error RA·cos(δ) (mas)6
DEC position-40 31 30.009
Error DEC (mas)2
Atmosphere
Pressure (nbar)<1
Atm. gas
Reference & provenance
Lucky Star projectYes
ReferenceBraga-Ribas et al., Nature, 2014
Comment
Chariklo occultation — 2013-06-03 · SOSB / Lucky Star