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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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Contact Lucky Star UTFPR Observatório Nacional

← Back to results ◎ All events of Echeclus

Occultation event

Echeclus

2000 EC98Centaur

event on 2012-06-25

29.5

Radius (km)

—

Geometric albedo

1

Positive chords

Netherlands

Observed from

Size — to scalevs Pluto

ECHECLUS · R 29.5 KMPLUTO · R 1188 KM

Echeclus — this objectPluto — comparison

Physical properties

Radius eq. (km)> 29.5

Equivalent radius (km)—

Oblateness0

Axis ratios (b/a · c/a)—

Density (g/cm³)—

ShapeUndetermined

Albedo (V)—

Orbit — top viewheliocentric

10.69

a (AU)

0.456

e

4.34

i (deg)

Occultation record

Event date2012-06-25

Observed fromNetherlands

Positive chords1 // radius lower limit

KindMain

Delta (au)6.48

Star G mag.136.254

Object G mag.20.123

Astrometryfeeds NIMA ephemeris

Position Date (JD)2456104.48333330

RA position17 24 26.139113

Error RA·cos(δ) (mas)0.18

DEC position−18 10 19.80427

Error DEC (mas)0.46

Atmosphere

Pressure (nbar)—

Atm. gas—

Reference & provenance

Lucky Star projectYes

ReferenceRommel et al, A&A, 644, A40, 2020

DOI10.1051/0004-6361/202039054

Link—

Comment—

Echeclus occultation — 2012-06-25 · SOSB / Lucky Star