2007 JJ43

2007 JJ43TNO> Hot C.

event on 2019-07-11

Radius (km)

—

Geometric albedo

Positive chords

Brazil, Switzerland

Observed from

Size — to scalevs Pluto

2007 JJ43 · R 63 KMPLUTO · R 1188 KM

2007 JJ43 — this objectPluto — comparison

Physical properties

Radius eq. (km)> 63

Equivalent radius (km)—

Oblateness0

Axis ratios (b/a · c/a)—

Density (g/cm³)—

ShapeUndetermined

Albedo (V)—

Orbit — top viewheliocentric

48.383

a (AU)

0.166

12.02

i (deg)

Occultation record

Event date2019-07-11

Observed fromBrazil, Switzerland

Positive chords1 // radius lower limit

KindMain

Delta (au)40.09

Star G mag.11.9109

Object G mag.20.7

Astrometryfeeds NIMA ephemeris

Position Date (JD)2458675.73888890

RA position16 46 47.319636

Error RA·cos(δ) (mas)0.43

DEC position−26 16 50.42621

Error DEC (mas)0.32

Atmosphere

Pressure (nbar)—

Atm. gas—

Reference & provenance

Lucky Star projectYes

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

Comment—