Polymele

1999 WB2Trojan

event on 2023-02-04

—

Radius (km)

—

Geometric albedo

Positive chords

Spain

Observed from

Size — to scalevs Pluto

POLYMELE · R — KMPLUTO · R 1188 KM

Polymele — 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

5.2

a (AU)

0.094

i (deg)

Occultation record

Event date2023-02-04

Observed fromSpain

Positive chords3

KindMain

Delta (au)4.0252

Star G mag.13.3

Object G mag.18.7

Astrometryfeeds NIMA ephemeris

Position Date (JD)—

RA position—

Error RA·cos(δ) (mas)—

DEC position—

Error DEC (mas)—

Atmosphere

Pressure (nbar)—

Atm. gas—

Reference & provenance

Lucky Star projectYes

ReferencePreliminary

DOI—

Comment—