Mentor

1984 HA1Trojan

event on 2019-07-22

136

Radius (km)

—

Geometric albedo

Positive chords

France, Spain

Observed from

Size — to scalevs Pluto

MENTOR · R 136 KMPLUTO · R 1188 KM

Mentor — this objectPluto — comparison

Physical properties

Radius eq. (km)136

Equivalent radius (km)—

Oblateness—

Axis ratios (b/a · c/a)—

Density (g/cm³)—

ShapeUndetermined

Albedo (V)—

Orbit — top viewheliocentric

5.1

a (AU)

0.06

24.7

i (deg)

Occultation record

Event date2019-07-22

Observed fromFrance, Spain

Positive chords3

KindMain

Delta (au)5.07

Star G mag.12.4

Object G mag.16.3

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—

Linkhttp://www.euraster.net/results/2019/index.html

Commentsee http://www.euraster.net/results/2019/index.html#0722-3451