Mentor

1984 HA1TrojanOther

event on 2021-10-15

—

Radius (km)

—

Geometric albedo

Positive chords

France

Observed from

Size — to scalevs Pluto

MENTOR · R — KMPLUTO · R 1188 KM

Mentor — this objectPluto — comparison

Physical properties

Radius eq. (km)—

Equivalent radius (km)—

Oblateness—

Axis ratios (b/a · c/a)—

Density (g/cm³)—

ShapeIrregular

Albedo (V)—

Orbit — top viewheliocentric

5.1

a (AU)

0.06

24.7

i (deg)

Occultation record

Event date2021-10-15

Observed fromFrance

Positive chords2

KindMain

Delta (au)4.803

Star G mag.14.8

Object G mag.16

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=51668

CommentReport by Matthieu Conjat and Pierre Le Cam