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Occultation event

Pluto

1930 BMTNO> PlutinoAtmosphere

event on 2014-07-24

1189

Radius (km)

0.57

Geometric albedo

1

Positive chords

New Zealand

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 date2014-07-24

Observed fromNew Zealand

Positive chords1 // radius lower limit

KindMain

Delta (au)31.73

Star G mag.18.1

Object G mag.—

Astrometryfeeds NIMA ephemeris

Position Date (JD)2456862.987731480

RA position18 49 26.51337

Error RA·cos(δ) (mas)—

DEC position-20 22 37.0734

Error DEC (mas)—

Atmosphere

Pressure (nbar)—

Atm. gas—

Reference & provenance

Lucky Star projectNo

ReferencePasachoff et al., AJ, 2016

DOI10.3847/0004-6256/151/4/97

Linkhttps://doi.org/10.3847/0004-6256/151/4/97

Commentposition from Desmars et al. A&A, 2019 (https://doi.org/10.1051/0004-6361/201834958)

Pluto occultation — 2014-07-24 · SOSB / Lucky Star