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Occultation event

Pluto

1930 BMTNO> PlutinoAtmosphere
event on 2019-07-17
1215
Radius (km)
Geometric albedo
1
Positive chords
United States of America
Observed from
Size — to scalevs Charon
PLUTO · R 1215 KMCHARON · R 606 KM
Pluto — this objectCharon — comparison
Physical properties
Radius eq. (km)> 1215
Equivalent radius (km)
Oblateness0
Axis ratios (b/a · c/a)
Density (g/cm³)
ShapeSpherical
Albedo (V)
Orbit — top viewheliocentric
Neptune 30 AU
39.846
a (AU)
0.2537
e
17.103
i (deg)
Occultation record
each line — one station saw the star vanish
Event date2019-07-17
Observed fromUnited States of America
Positive chords1 // radius lower limit
KindMain
Delta (au)32.82
Star G mag.13
Object G mag.14.5
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
ReferenceArimatsu et al, A&A, 638, L5, 2020ÿ
CommentLucky Star prediction https://lesia.obspm.fr/lucky-star/occ.php?p=13163
Pluto occultation — 2019-07-17 · SOSB / Lucky Star