Occultation event

Pluto

1930 BMTNO> PlutinoAtmosphere

event on 2007-06-14

1189

Radius (km)

0.57

Geometric albedo

Positive chords

Brazil, Chile, Namibia

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

17.103

i (deg)

Occultation record

Event date2007-06-14

Observed fromBrazil, Chile, Namibia

Positive chords4

KindMain

Delta (au)30.29

Star G mag.15.3

Object G mag.—

Astrometryfeeds NIMA ephemeris

Position Date (JD)2454265.560416660

RA position17 50 20.74243

Error RA·cos(δ) (mas)0.1

DEC position-16 22 42.2275

Error DEC (mas)0.2

Atmosphere

Pressure (nbar)10290

Atm. gasN2

Reference & provenance

Lucky Star projectYes

ReferenceMeza et al. & Desmars et al., A&A, 2019

DOI10.1051/0004-6361/201834958

Linkhttps://doi.org/10.1051/0004-6361/201834958

CommentSee also Boissel et al., A&A, 2014 (https://doi.org/10.1051/0004-6361/201321836). Position from Desmars et al. A&A, 2019