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Comet

PANSTARRS

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C/2025 Y3 (PANSTARRS)

Orbital elements

Semi-major axis
-3,002.144 AU
Eccentricity
1.0007
Inclination
89.55°
Perihelion
2.227 AU
Longitude of ascending node
272.97°
Argument of periapsis
219.38°
Epoch · J2000
JD 2461054.20215 (perihelion)
Orbit class · HYP
Hyperbolic comet
Earth MOID · 546.2 LD
1.4036 AU

Orbit quality

Observations used
27
Data arc
33 days
First observed
13 December 2025
Last observed
15 January 2026
Residual RMS
0.29 ″
Solution · Otto Matic
20 January 2026

Visual & observation

Absolute magnitude (H)
16.8
Total magnitude M₁ · K₁ 10
16.8

Discovery & classification

Also known as 2025 Y3

Named

Sources