Achilles

A906 DNTrojan

event on 2020-08-30

Radius (km)

—

Geometric albedo

Positive chords

New Zealand

Observed from

Size — to scalevs Pluto

ACHILLES · R 42 KMPLUTO · R 1188 KM

Achilles — this objectPluto — comparison

Physical properties

Radius eq. (km)> 42

Equivalent radius (km)—

Oblateness—

Axis ratios (b/a · c/a)—

Density (g/cm³)—

ShapeUndetermined

Albedo (V)—

Orbit — top viewheliocentric

5.2

a (AU)

0.148

10.3

i (deg)

Occultation record

Event date2020-08-30

Observed fromNew Zealand

Positive chords1 // radius lower limit

KindMain

Delta (au)4.2345

Star G mag.11.9

Object G mag.15.7

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—

Commentreport by Brian Loader