Alcathous

1979 WMTrojan

event on 2022-08-11

—

Radius (km)

—

Geometric albedo

Positive chords

United Kingdom

Observed from

Size — to scalevs Pluto

ALCATHOUS · R — KMPLUTO · R 1188 KM

Alcathous — this objectPluto — comparison

Physical properties

Radius eq. (km)—

Equivalent radius (km)—

Oblateness—

Axis ratios (b/a · c/a)—

Density (g/cm³)—

Shape—

Albedo (V)—

Orbit — top viewheliocentric

5.2

a (AU)

0.066

16.6

i (deg)

Occultation record

Event date2022-08-11

Observed fromUnited Kingdom

Positive chords5

Kind—

Delta (au)4.2893

Star G mag.12.4

Object G mag.15.8

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—

Linkhttps://lesia.obspm.fr/lucky-star/occ.php?p=98951

Commenthttps://cloud.occultwatcher.net/event/587-2241-272833-647187-U130071