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Occultation event

Deiphobus

1971 EATrojan
event on 2025-09-12
Radius (km)
Geometric albedo
3
Positive chords
United States of America
Observed from
Size — to scalevs Pluto
DEIPHOBUS · R KMPLUTO · R 1188 KM
Deiphobus — 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
5.2
a (AU)
0.044
e
26.9
i (deg)
Occultation record
each line — one station saw the star vanish
Event date2025-09-12
Observed fromUnited States of America
Positive chords3
KindMain
Delta (au)4.8638
Star G mag.12.1
Object G mag.16.1
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
Deiphobus occultation — 2025-09-12 · SOSB / Lucky Star