Occultation event
Echeclus
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
10.69
a (AU)
0.456
e
4.34
i (deg)
Occultation record
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—

