Occultation event
Pluto
event on 2007-03-18
1189
Radius (km)
0.57
Geometric albedo
5
Positive chords
United States of America
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 date2007-03-18
Observed fromUnited States of America
Positive chords5
KindMain
Delta (au)31.27
Star G mag.15.3
Object G mag.—
Astrometryfeeds NIMA ephemeris
Position Date (JD)2454177.958021990
RA position17 55 05.69430
Error RA·cos(δ) (mas)10
DEC position-16 28 34.0886
Error DEC (mas)10
Atmosphere
Pressure (nbar)—
Atm. gasN2
Reference & provenance
Lucky Star projectNo
ReferencePerson et al., AJ, 2008
Commentposition from Desmars et al. A&A, 2019 (https://doi.org/10.1051/0004-6361/201834958)