Occultation event
2004 PF115
event on 2018-09-28
161
Radius (km)
—
Geometric albedo
1
Positive chords
Argentina
Observed from
Size — to scalevs Pluto
2004 PF115 · R 161 KMPLUTO · R 1188 KM
2004 PF115 — this objectPluto — comparison
Physical properties
Radius eq. (km)> 161
Equivalent radius (km)—
Oblateness—
Axis ratios (b/a · c/a)—
Density (g/cm³)—
ShapeUndetermined
Albedo (V)—
Orbit — top viewheliocentric
39.3
a (AU)
0.06
e
13.4
i (deg)
Occultation record
Event date2018-09-28
Observed fromArgentina
Positive chords1 // radius lower limit
KindMain
Delta (au)40.67
Star G mag.16.5718
Object G mag.20.849
Astrometryfeeds NIMA ephemeris
Position Date (JD)2458389.56666670
RA position23 01 47.574516
Error RA·cos(δ) (mas)0.65
DEC position−20 31 01.2497
Error DEC (mas)1.1
Atmosphere
Pressure (nbar)—
Atm. gas—
Reference & provenance
Lucky Star projectYes
ReferenceRommel et al, A&A, 644, A40, 2020
Link—
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.

