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Occultation event

Diomedes

1971 RDTrojan
event on 2020-11-01
85
Radius (km)
Geometric albedo
3
Positive chords
United States of America
Observed from
Size — to scalevs Pluto
DIOMEDES · R 85 KMPLUTO · R 1188 KM
Diomedes — this objectPluto — comparison
Physical properties
Radius eq. (km)85
Equivalent radius (km)65
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 date2020-11-01
Observed fromUnited States of America
Positive chords3
KindMain
Delta (au)4.1324
Star G mag.13.6
Object G mag.15.3
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
Diomedes occultation — 2020-11-01 · SOSB / Lucky Star