Chariklo

1997 CU26CentaurRing

event on 2017-06-22

143.8

Radius (km)

—

Geometric albedo

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

Oblateness0.598 ± 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

23.36

i (deg)

Occultation record

Event date2017-06-22

Observed from—

Positive chords5

KindMain

Delta (au)14.659

Star G mag.14.2

Object G mag.18.495

Astrometryfeeds NIMA ephemeris

Position Date (JD)2457927.3875000

RA position18 55 15.6602082

Error RA·cos(δ) (mas)0.116

DEC position−31 31 21.621802

Error DEC (mas)0.110

Atmosphere

Pressure (nbar)—

Atm. gas—

Reference & provenance

Lucky Star projectYes

ReferenceB. E. Morgado et al, A&A, 652, A141, 2021

DOI10.1051/0004-6361/202141543

Link—

Comment—