Centaur
2025 OY723
(2025 OY723)
Where is it now
- Distance from Sun
- 4.069 AU
- True anomaly
- 52.65°
- As of
- 17 September 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.
In the sky
- Right ascension
- 01h 02m 21s
- Declination
- -13° 27′ 25″
- Constellation
- Cetus
- Distance from Earth
- 3.12 AU
- Elongation from the Sun
- 157.32° — well clear of the Sun
Visible from both hemispheres.
From your location
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Two-body approximation, good to about a degree for the planets — enough to find the constellation and know whether it is up.
Orbital elements
- Semi-major axis
- 5.571 AU
- Eccentricity
- 0.343
- Inclination
- 17.53°
- Orbital period
- 13.15 years
- Perihelion
- 3.66 AU
- Aphelion
- 7.483 AU
- Longitude of ascending node
- 132.86°
- Argument of periapsis
- 181.26°
- Epoch · J2000
- 2461200.5
- Orbit class · CEN
- Centaur
- Tisserand (Jupiter)
- 2.788
Orbit quality
Orbit poorly determined (uncertainty code 7).
- Observations used
- 9
- Data arc
- 11 days
- First observed
- 18 July 2025
- Last observed
- 29 July 2025
- Residual RMS
- 0.17 ″
Visual & observation
- Absolute magnitude (H)
- 17.58
Discovery & classification
Centaur
Sources
- orbital elements: JPL SBDB