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Occultation event

Pluto

1930 BMTNO> PlutinoAtmosphere

event on 1985-08-19

1189

Radius (km)

0.57

Geometric albedo

1

Positive chords

Israel

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 date1985-08-19

Observed fromIsrael

Positive chords1 // radius lower limit

KindMain

Delta (au)30.14

Star G mag.11.1

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

ReferenceBrosch & Mendelson, IAUC 4097, 1985 & Desmars et al., A&A, 2019

DOI—

Linkhttp://www.cbat.eps.harvard.edu/iauc/04000/04097.html

Comment—

Pluto occultation — 1985-08-19 · SOSB / Lucky Star