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Occultation event

Echeclus

2000 EC98Centaur
event on 2021-01-19
Radius (km)
Geometric albedo
1
Positive chords
Japan
Observed from
Size — to scalevs Pluto
ECHECLUS · R KMPLUTO · R 1188 KM
Echeclus — 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
Neptune 30 AU
10.69
a (AU)
0.456
e
4.34
i (deg)
Occultation record
each line — one station saw the star vanish
Event date2021-01-19
Observed fromJapan
Positive chords1 // radius lower limit
KindMain
Delta (au)9.455
Star G mag.11
Object G mag.19.8
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
Comment
Echeclus occultation — 2021-01-19 · SOSB / Lucky Star