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SOSB · Rio Group

Campaigns and a database of physical properties of TNOs, Centaurs, Trojans, satellites and rings from observed stellar occultations.

Web page created by Alexandre Crispim and maintained by Rio Group

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← Back to results ◎ All events of Chiron

Occultation event

Chiron

1977 UBCentaurDust

event on 2022-12-15

—

Radius (km)

—

Geometric albedo

2

Positive chords

Egypt, Israel

Observed from

Size — to scalevs Pluto

CHIRON · R — KMPLUTO · R 1188 KM

Chiron — 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

13.64

a (AU)

0.38

e

6.93

i (deg)

Occultation record

Event date2022-12-15

Observed fromEgypt, Israel

Positive chords2

KindMain

Delta (au)18.4841

Star G mag.12.6

Object G mag.18.7

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=108185

Comment—

Chiron occultation — 2022-12-15 · SOSB / Lucky Star