Skip to content
Solar
Trans-Neptunian object

309239

309239 (2007 RW10)

Where is it now

Distance from Sun
32.76 AU
True anomaly
121.61°
As of
29 August 2026

Two-body Kepler propagation — accurate to ~0.1% for major planets over decades, less so for highly-perturbed bodies. Use JPL Horizons for high precision.

Orbital elements

Semi-major axis
30.337 AU
Eccentricity
0.2977
Inclination
36.08°
Orbital period
167.1 years
Perihelion
21.305 AU
Aphelion
39.368 AU
Longitude of ascending node
187.03°
Argument of periapsis
96.73°
Epoch · J2000
2461000.5

Visual & observation

Absolute magnitude (H)
6.72
Spectral type
TNO

Discovery & classification

TNO

Sources