Occultation event
2003 AZ84
event on 2013-12-02
346
Radius (km)
0.097
Geometric albedo
1
Positive chords
Australia
Observed from
Size — to scalevs Pluto
2003 AZ84 · R 346 KMPLUTO · R 1188 KM
2003 AZ84 — this objectPluto — comparison
Physical properties
Radius eq. (km)> 346
Equivalent radius (km)382 ± 3
Oblateness—
Axis ratios (b/a · c/a)—
Density (g/cm³)0.87 ± 0.01
ShapeJacobi
Albedo (V)0.097 ± 9
Orbit — top viewheliocentric
39.41
a (AU)
0.179
e
13.56
i (deg)
Occultation record
Event date2013-12-02
Observed fromAustralia
Positive chords1 // radius lower limit
KindMain
Delta (au)44.41
Star G mag.—
Object G mag.21.624
Astrometryfeeds NIMA ephemeris
Position Date (JD)2456629.12013890
RA position07 58 56.722173
Error RA·cos(δ) (mas)0.89
DEC position10 19 04.88115
Error DEC (mas)0.64
Where on the skyThe published position of this event, against the constellations.
Chart data: d3-celestial (BSD-3-Clause), from Hipparcos / Yale BSC and the IAU figures. Position J2000.
Atmosphere
Pressure (nbar)no
Atm. gas—
Reference & provenance
Lucky Star projectYes
ReferenceRommel et al, A&A, 644, A40, 2020
CommentThis object has an ambiguous solution where the center of it could be north or south of the observed chord. In this case we assumed the north position.