Ganymede (Jupiter/3)

Jupiter/3Planet Satellite

event on 2020-12-21

—

Radius (km)

—

Geometric albedo

Positive chords

United States of America

Observed from

Size — to scalevs Pluto

GANYMEDE (JUPITER/3) · R — KMPLUTO · R 1188 KM

Ganymede (Jupiter/3) — this objectPluto — comparison

Physical properties

Radius eq. (km)—

Equivalent radius (km)—

Oblateness—

Axis ratios (b/a · c/a)—

Density (g/cm³)—

ShapeTri-axial

Albedo (V)—

Orbit — top viewheliocentric

5.203

a (AU)

0.0484

1.305

i (deg)

Occultation record

Event date2020-12-21

Observed fromUnited States of America

Positive chords10

KindMain

Delta (au)5.9159

Star G mag.7.38

Object G mag.5.49

Astrometryfeeds NIMA ephemeris

Position Date (JD)2459204.5340278

RA position20 09 33.56022

Error RA·cos(δ) (mas)0.9

DEC position−20 35 38.0137

Error DEC (mas)1.7

Atmosphere

Pressure (nbar)—

Atm. gas—

Reference & provenance

Lucky Star projectYes

ReferenceB. E. Morgado et al, AJ, 163, 240, 2022

DOI10.3847/1538-3881/ac6108

Linkhttps://lesia.obspm.fr/lucky-star/campaigns/table_occult_sat/Rio-satellites/20201221Gan9314_summary.html

Comment—