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Occultation event

Antilochus

1950SATrojan
event on 2020-09-09
50
Radius (km)
Geometric albedo
2
Positive chords
France, Spain
Observed from
Size — to scalevs Pluto
ANTILOCHUS · R 50 KMPLUTO · R 1188 KM
Antilochus — this objectPluto — comparison
Physical properties
Radius eq. (km)50
Equivalent radius (km)
Oblateness
Axis ratios (b/a · c/a)
Density (g/cm³)
ShapeUndetermined
Albedo (V)
Orbit — top viewheliocentric
Neptune 30 AU
5.1
a (AU)
0.052
e
28.5
i (deg)
Occultation record
each line — one station saw the star vanish
Event date2020-09-09
Observed fromFrance, Spain
Positive chords2
KindMain
Delta (au)4.1198
Star G mag.14.4
Object G mag.15.7
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
Antilochus occultation — 2020-09-09 · SOSB / Lucky Star