2017 OF69

2017 OF69TNO> Plutino

event on 2019-08-27

139.4

Radius (km)

—

Geometric albedo

Positive chords

Czechia

Observed from

Size — to scalevs Pluto

2017 OF69 · R 139.4 KMPLUTO · R 1188 KM

2017 OF69 — this objectPluto — comparison

Physical properties

Radius eq. (km)> 139.4

Equivalent radius (km)—

Oblateness0

Axis ratios (b/a · c/a)—

Density (g/cm³)—

ShapeUndetermined

Albedo (V)—

Orbit — top viewheliocentric

39.56998

a (AU)

0.20767

13.6534

i (deg)

Occultation record

Event date2019-08-27

Observed fromCzechia

Positive chords1 // radius lower limit

KindMain

Delta (au)42.74

Star G mag.17.2

Object G mag.21

Astrometryfeeds NIMA ephemeris

Position Date (JD)2458723.38888890

RA position20 13 12.06424

Error RA·cos(δ) (mas)1.1

DEC position−05 39 42.21020

Error DEC (mas)0.59

Atmosphere

Pressure (nbar)—

Atm. gas—

Reference & provenance

Lucky Star projectYes

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

DOI10.3847/0004-6256/152/6/156

Linkhttps://doi.org/10.3847/0004-6256/152/6/156

CommentOnderjov observatory