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Occultation event

Chariklo

1997 CU26Centaur
event on 2025-03-20
Radius (km)
Geometric albedo
2
Positive chords
United States of America
Observed from
Size — to scalevs Pluto
CHARIKLO · R KMPLUTO · R 1188 KM
Chariklo — 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
15.84
a (AU)
0.17
e
23.36
i (deg)
Occultation record
each line — one station saw the star vanish
Event date2025-03-20
Observed fromUnited States of America
Positive chords2
KindMain
Delta (au)18.2275
Star G mag.15.5
Object G mag.19.4
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
Chariklo occultation — 2025-03-20 · SOSB / Lucky Star