Occultation event
Pluto
event on 2016-07-19
1189
Radius (km)
0.57
Geometric albedo
9
Positive chords
France, Greece, Israel, Italy, Spain
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
39.846
a (AU)
0.2537
e
17.103
i (deg)
Occultation record
Event date2016-07-19
Observed fromFrance, Greece, Israel, Italy, Spain
Positive chords9
KindMain
Delta (au)32.14
Star G mag.14
Object G mag.—
Astrometryfeeds NIMA ephemeris
Position Date (JD)2457589.370659720
RA position19 07 22.10999
Error RA·cos(δ) (mas)0.1
DEC position-21 10 28.2320
Error DEC (mas)0.4
Atmosphere
Pressure (nbar)12040
Atm. gasN2
Reference & provenance
Lucky Star projectYes
ReferenceMeza et al. & Desmars et al., A&A, 2019
Commentposition from Desmars et al. A&A, 2019 (https://doi.org/10.1051/0004-6361/201834958)