Arrokoth

2014 MU69TNO> Cold C.Double or Binary

event on 2017-07-10

0.5

Radius (km)

—

Geometric albedo

Positive chords

Ecuador

Observed from

Size — to scalevs Pluto

ARROKOTH · R 0.5 KMPLUTO · R 1188 KM

Arrokoth — this objectPluto — comparison

Physical properties

Radius eq. (km)> 0.5

Equivalent radius (km)—

Oblateness0

Axis ratios (b/a · c/a)—

Density (g/cm³)—

ShapeBinary

Albedo (V)—

Orbit — top viewheliocentric

44.624

a (AU)

0.044

2.45

i (deg)

Occultation record

Event date2017-07-10

Observed fromEcuador

Positive chords1 // radius lower limit

KindDouble

Delta (au)42.27

Star G mag.15.57

Object G mag.27.449

Astrometryfeeds NIMA ephemeris

Position Date (JD)2457944.82575230

RA position19 00 42.42

Error RA·cos(δ) (mas)—

DEC position-20 38 42.9

Error DEC (mas)—

Atmosphere

Pressure (nbar)—

Atm. gas—

Reference & provenance

Lucky Star projectNo

Reference—

DOI—

Link—

Comment—