2005 TV189

2005 TV189TNO> PlutinoDouble Star

event on 2012-11-13

Radius (km)

—

Geometric albedo

Positive chords

Czechia

Observed from

Size — to scalevs Pluto

2005 TV189 · R 29 KMPLUTO · R 1188 KM

2005 TV189 — this objectPluto — comparison

Physical properties

Radius eq. (km)> 29 ± 3

Equivalent radius (km)—

Oblateness0

Axis ratios (b/a · c/a)—

Density (g/cm³)—

ShapeUndetermined

Albedo (V)—

Orbit — top viewheliocentric

39.2

a (AU)

0.185

34.45

i (deg)

Occultation record

Event date2012-11-13

Observed fromCzechia

Positive chords1 // radius lower limit

KindDouble

Delta (au)31.26

Star G mag.11.5884

Object G mag.22.655

Astrometryfeeds NIMA ephemeris

Position Date (JD)2456245.43541670

RA position05 27 31.4687

Error RA·cos(δ) (mas)10

DEC position12 59 31.7590

Error DEC (mas)3.4

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

DOI10.1051/0004-6361/202039054

Linkhttp://www.on.br/conteudo/dppg_e_iniciacao/dppg/ferramenta_teses/teses/ASTRONOMIA/%5B304_58-40_C%5Dtese_vfinal_felipebragaribas26jun2013.pdf

CommentSingle chord with two events. Visual observation.