Object profile
Arrokoth
3 occultation events
9.5
Best radius (km)
—
Geometric albedo
3
Events recorded
44.624 AU
Semi-major axis
Size — to scalevs Pluto
ARROKOTH · R 9.5 KMPLUTO · R 1188 KM
Arrokoth — this objectPluto — comparison
Best physical propertieslatest event
Radius eq. (km)9.5
Equivalent radius (km)—
Oblateness0
Axis ratios (b/a · c/a)—
Density (g/cm³)—
Albedo (V)—
ShapeBinary
Where on the sky3 of this object's events carry a published position.
Dashed line: order of observation, not the apparent path. Chart data: d3-celestial (BSD-3-Clause).
All occultation events3 recorded — newest first
| Date | Chords | Observed from | Radius eq. (km) | Feature | |
|---|---|---|---|---|---|
| 2018-08-04 | 2 | Sweden | 9.5 | Double Star | details → |
| 2017-07-17 | 5 | Argentina | 13.2 | Double Star | details → |
| 2017-07-10 | 1 | Ecuador | > 0.5 | Double Star | details → |
Orbit — top viewheliocentric
44.624
a (AU)
0.044
e
2.45
i (deg)
Class & designation
Number486958
Provisional designation2014 MU69
Dynamical classTNO> Cold C.
Inclination (deg)2.45
Size (km)—
H (Abs. Mag.)—