Centaur
2025 HP102
(2025 HP102)
Where is it now
- Distance from Sun
- 4.29 AU
- True anomaly
- 19.2°
- 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
- 19h 04m 34s
- Declination
- -32° 01′ 58″
- Constellation
- Sagittarius
- Distance from Earth
- 3.87 AU
- Elongation from the Sun
- 107.99° — well clear of the Sun
Favours the southern hemisphere; low or below the horizon from far north.
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
- 6.47 AU
- Eccentricity
- 0.3464
- Inclination
- 16.25°
- Orbital period
- 16.46 years
- Perihelion
- 4.229 AU
- Aphelion
- 8.711 AU
- Longitude of ascending node
- 327.44°
- Argument of periapsis
- 309.05°
- Epoch · J2000
- 2461200.5
- Orbit class · CEN
- Centaur
- Tisserand (Jupiter)
- 2.813
Orbit quality
Orbit poorly determined (uncertainty code 6).
- Observations used
- 92
- Data arc
- 28 days
- First observed
- 26 April 2025
- Last observed
- 24 May 2025
- Residual RMS
- 0.18 ″
Visual & observation
- Absolute magnitude (H)
- 16.64
Discovery & classification
Centaur
Sources
- orbital elements: JPL SBDB