2005 TV189

2005 TV189TNO> PlutinoDouble or Binary

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

Atmosphere

Pressure (nbar)—

Atm. gas—

Reference & provenance

Lucky Star projectYes

ReferenceRommel et al, A&A, 644, A40, 2020

CommentSingle chord with two events. Visual observation.