Rhesus

1988 RXTrojan

event on 2020-01-14

17.4

Radius (km)

—

Geometric albedo

Positive chords

Spain

Observed from

Size — to scalevs Pluto

RHESUS · R 17.4 KMPLUTO · R 1188 KM

Rhesus — this objectPluto — comparison

Physical properties

Radius eq. (km)> 17.4

Equivalent radius (km)—

Oblateness—

Axis ratios (b/a · c/a)—

Density (g/cm³)—

ShapeUndetermined

Albedo (V)—

Orbit — top viewheliocentric

5.2

a (AU)

0.13

12.8

i (deg)

Occultation record

Event date2020-01-14

Observed fromSpain

Positive chords1 // radius lower limit

KindMain

Delta (au)5.37

Star G mag.12.3

Object G mag.18.6

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://lesia.obspm.fr/lucky-star/occ.php?p=32594

Commentreport from C.Perello & A.Selva, Sabadell, Spain