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Occultation event

Pluto

1930 BMTNO> PlutinoOther
event on 2014-07-31
1189
Radius (km)
0.57
Geometric albedo
1
Positive chords
Chile
Observed from
Size — to scalevs Charon
PLUTO · R 1189 KMCHARON · R 606 KM
Pluto — this objectCharon — comparison
Physical properties
Radius eq. (km)> 1189 ± 1.6
Equivalent radius (km)1189.1 ± 2.3
Oblateness4 ± <
Axis ratios (b/a · c/a)
Density (g/cm³)1.854 ± 0.011
ShapeSpherical
Albedo (V)0.57 ± 0.09
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 date2014-07-31
Observed fromChile
Positive chords1 // radius lower limit
KindMain
Delta (au)31.73
Star G mag.15
Object G mag.
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
ReferencePasachoff et al., AJ, 2016
CommentDouble Star detected
Pluto occultation — 2014-07-31 · SOSB / Lucky Star