Occultation event
2003 AZ84
event on 2012-02-03
470
Radius (km)
0.097
Geometric albedo
3
Positive chords
India, Israel
Observed from
Size — to scalevs Pluto
2003 AZ84 · R 470 KMPLUTO · R 1188 KM
2003 AZ84 — this objectPluto — comparison
Physical properties
Radius eq. (km)470 ± 20
Equivalent radius (km)382 ± 3
Oblateness0.42 ± 0.09
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 date2012-02-03
Observed fromIndia, Israel
Positive chords3
KindMain
Delta (au)44.26
Star G mag.—
Object G mag.—
Astrometryfeeds NIMA ephemeris
Position Date (JD)2455961.32291670
RA position07 45 54.776855
Error RA·cos(δ) (mas)0.69
DEC position11 12 43.11513
Error DEC (mas)0.44
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
Comment—