Chariklo

1997 CU26CentaurRing

event on 2015-04-26

—

Radius (km)

—

Geometric albedo

Positive chords

Uruguay

Observed from

Size — to scalevs Pluto

CHARIKLO · R — KMPLUTO · R 1188 KM

Chariklo — this objectPluto — comparison

Physical properties

Radius eq. (km)> —

Equivalent radius (km)—

Oblateness—

Axis ratios (b/a · c/a)—

Density (g/cm³)—

ShapeUndetermined

Albedo (V)—

Orbit — top viewheliocentric

15.84

a (AU)

0.17

23.36

i (deg)

Occultation record

Event date2015-04-26

Observed fromUruguay

Positive chords1 // radius lower limit

KindRing/Dust

Delta (au)14.49

Star G mag.—

Object G mag.—

Astrometryfeeds NIMA ephemeris

Position Date (JD)2457138.591643510

RA position18 10 45.9676

Error RA·cos(δ) (mas)—

DEC position-36 38 56.608

Error DEC (mas)—

Atmosphere

Pressure (nbar)—

Atm. gas—

Reference & provenance

Lucky Star projectYes

ReferenceBérard, D. et al., AJ, 2017

DOI10.3847/1538-3881/aa830d

Linkhttps://iopscience.iop.org/article/10.3847/1538-3881/aa830d/meta

CommentOnly the rings were detected.