2000 QE42

2000 QE42Trojan

event on 2020-06-06

—

Radius (km)

—

Geometric albedo

Positive chords

Argentina

Observed from

Size — to scalevs Pluto

2000 QE42 · R — KMPLUTO · R 1188 KM

2000 QE42 — 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)

0.052

8.8

i (deg)

Occultation record

Event date2020-06-06

Observed fromArgentina

Positive chords2

KindMain

Delta (au)4.6744

Star G mag.12.2

Object G mag.19

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=19246

Commentreports by Julio Spagnotto and Aldo Wilberger