Occultation event
2005 RM43
event on 2018-12-24
227.555
Radius (km)
—
Geometric albedo
1
Positive chords
Switzerland
Observed from
Size — to scalevs Pluto
2005 RM43 · R 227.555 KMPLUTO · R 1188 KM
2005 RM43 — this objectPluto — comparison
Physical properties
Radius eq. (km)> 227.555
Equivalent radius (km)322
Oblateness0
Axis ratios (b/a · c/a)—
Density (g/cm³)—
ShapeUndetermined
Albedo (V)—
Orbit — top viewheliocentric
90.02
a (AU)
0.611
e
28.81
i (deg)
Occultation record
Event date2018-12-24
Observed fromSwitzerland
Positive chords1 // radius lower limit
KindMain
Delta (au)36
Star G mag.13.4518
Object G mag.18.909
Astrometryfeeds NIMA ephemeris
Position Date (JD)2458476.59791670
RA position04 52 51.248767
Error RA·cos(δ) (mas)0.26
DEC position16 45 24.3162
Error DEC (mas)3.5
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)—
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.

