Occultation event
2007 JJ43
event on 2019-08-07
110.25
Radius (km)
—
Geometric albedo
1
Positive chords
Australia
Observed from
Size — to scalevs Pluto
2007 JJ43 · R 110.25 KMPLUTO · R 1188 KM
2007 JJ43 — this objectPluto — comparison
Physical properties
Radius eq. (km)> 110.25
Equivalent radius (km)—
Oblateness0
Axis ratios (b/a · c/a)—
Density (g/cm³)—
ShapeUndetermined
Albedo (V)—
Orbit — top viewheliocentric
48.383
a (AU)
0.166
e
12.02
i (deg)
Occultation record
Event date2019-08-07
Observed fromAustralia
Positive chords1 // radius lower limit
KindMain
Delta (au)40.42
Star G mag.17.6713
Object G mag.20.8
Astrometryfeeds NIMA ephemeris
Position Date (JD)2458703.04583330
RA position16 45 23.14122
Error RA·cos(δ) (mas)1.6
DEC position−26 11 07.4081
Error DEC (mas)2.7
Atmosphere
Pressure (nbar)—
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.