Occultation event
2002 TX300
event on 2009-10-09
143
Radius (km)
0.88
Geometric albedo
2
Positive chords
United States of America
Observed from
Size — to scalevs Pluto
2002 TX300 · R 143 KMPLUTO · R 1188 KM
2002 TX300 — this objectPluto — comparison
Physical properties
Radius eq. (km)143 ± 5
Equivalent radius (km)143 ± 5
Oblateness—
Axis ratios (b/a · c/a)—
Density (g/cm³)—
ShapeSpherical
Albedo (V)0.88 ± 0.15/-0.06
Orbit — top viewheliocentric
43.6
a (AU)
0.125
e
25.8
i (deg)
Occultation record
Event date2009-10-09
Observed fromUnited States of America
Positive chords2
KindMain
Delta (au)40.61
Star G mag.—
Object G mag.—
Astrometryfeeds NIMA ephemeris
Position Date (JD)2455113.93750
RA position00 37 13.625731
Error RA·cos(δ) (mas)0.27
DEC position28 22 22.95729
Error DEC (mas)0.27
Atmosphere
Pressure (nbar)<33
Atm. gasXe
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.