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Occultation event

Diomedes

1971 RDTrojan
event on 2023-01-05
Radius (km)
Geometric albedo
1
Positive chords
United States of America
Observed from
Size — to scalevs Pluto
DIOMEDES · R KMPLUTO · R 1188 KM
Diomedes — 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)
0.043
e
20.5
i (deg)
Occultation record
each line — one station saw the star vanish
Event date2023-01-05
Observed fromUnited States of America
Positive chords1 // radius lower limit
KindMain
Delta (au)4.0343
Star G mag.13.2
Object G mag.15.1
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 projectNo
ReferencePreliminary
DOI
CommentPhil Stuart: https://cloud.occultwatcher.net/event/734-1437-108825-650076-U041758/Horizons;GaiaEDR3
Diomedes occultation — 2023-01-05 · SOSB / Lucky Star