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Solar
Centaur

2016 UP173

(2016 UP173)

Where is it now

Distance from Sun
11.371 AU
True anomaly
188.91°
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
6.733 AU
Eccentricity
0.7498
Inclination
29.44°
Orbital period
17.47 years
Perihelion
1.685 AU
Aphelion
11.782 AU
Longitude of ascending node
31.91°
Argument of periapsis
256°
Epoch · J2000
2459600.5

Visual & observation

Absolute magnitude (H)
17.38
Spectral type
CEN

Discovery & classification

Centaur

Sources