Occultation event
Quaoar
event on 2019-06-28
560.5
Radius (km)
—
Geometric albedo
1
Positive chords
Japan
Observed from
Size — to scalevs Pluto
QUAOAR · R 560.5 KMPLUTO · R 1188 KM
Quaoar — this objectPluto — comparison
Physical properties
Radius eq. (km)> 560.5
Equivalent radius (km)—
Oblateness—
Axis ratios (b/a · c/a)—
Density (g/cm³)—
ShapeUndetermined
Albedo (V)—
Orbit — top viewheliocentric
43.5
a (AU)
0.041
e
8
i (deg)
Occultation record
Event date2019-06-28
Observed fromJapan
Positive chords1 // radius lower limit
KindMain
Delta (au)41.85
Star G mag.15.7
Object G mag.18.8
Astrometryfeeds NIMA ephemeris
Position Date (JD)—
RA position—
Error RA·cos(δ) (mas)—
DEC position—
Error DEC (mas)—
Atmosphere
Pressure (nbar)<10
Atm. gasCH4
Reference & provenance
Lucky Star projectNo
ReferenceArimatsu et al, ArXiv 2019
DOI—
Commenthttp://lesia.obspm.fr/lucky-star/occ.php?p=16559

