Charon (Pluto/1)

Pluto/1TNO> Plutino

event on 2005-07-11

603.6

Radius (km)

—

Geometric albedo

Positive chords

Argentina, Switzerland

Observed from

Size — to scalevs Pluto

CHARON (PLUTO/1) · R 603.6 KMPLUTO · R 1188 KM

Charon (Pluto/1) — this objectPluto — comparison

Physical properties

Radius eq. (km)603.6 ± 1.4

Equivalent radius (km)603.6

Oblateness—

Axis ratios (b/a · c/a)—

Density (g/cm³)—

ShapeSpherical

Albedo (V)—

Orbit — top viewheliocentric

39.846

a (AU)

0.2537

17.103

i (deg)

Occultation record

Event date2005-07-11

Observed fromArgentina, Switzerland

Positive chords3

KindSatellite

Delta (au)31

Star G mag.16.4

Object G mag.—

Astrometryfeeds NIMA ephemeris

Position Date (JD)—

RA position—

Error RA·cos(δ) (mas)—

DEC position—

Error DEC (mas)—

Atmosphere

Pressure (nbar)<15

Atm. gasCH4

Reference & provenance

Lucky Star projectYes

ReferenceSicardy et al., Nature, 2006

DOI10.1038/nature04351

Linkhttps://doi.org/10.1038/nature04351

Comment—