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Occultation event

Actor

1987 YU1Trojan

event on 2022-02-24

38

Radius (km)

—

Geometric albedo

1

Positive chords

United Kingdom

Observed from

Size — to scalevs Pluto

ACTOR · R 38 KMPLUTO · R 1188 KM

Actor — this objectPluto — comparison

Physical properties

Radius eq. (km)> 38

Equivalent radius (km)—

Oblateness—

Axis ratios (b/a · c/a)—

Density (g/cm³)—

Shape—

Albedo (V)—

Orbit — top viewheliocentric

5.175

a (AU)

0.125

e

21.086

i (deg)

Occultation record

Event date2022-02-24

Observed fromUnited Kingdom

Positive chords1 // radius lower limit

Kind—

Delta (au)4.862

Star G mag.11.912

Object G mag.18.387

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 projectNo

ReferencePreliminary

DOI—

Linkhttps://euraster.net/results/2022/index.html

Comment—

Actor occultation — 2022-02-24 · SOSB / Lucky Star