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Comet

PANSTARRS

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C/2017 K2 (PANSTARRS)

Orbital elements

Semi-major axis
-2,915.273 AU
Eccentricity
1.0006
Inclination
87.55°
Perihelion
1.797 AU
Longitude of ascending node
88.24°
Argument of periapsis
236.19°
Epoch · J2000
JD 2459933.22706 (perihelion)
Orbit class · HYP
Hyperbolic comet
Earth MOID · 424.3 LD
1.0903 AU
Tisserand (Jupiter)
0.17

Orbit quality

Observations used
3,122
Data arc
13.41 years
First observed
12 May 2013
Last observed
10 October 2026
Residual RMS
0.52 ″
Solution · Otto Matic
14 October 2026

Visual & observation

Absolute magnitude (H)
8.5
Total magnitude M₁ · K₁ 4.5
8.5

Discovery & classification

Also known as 2017 K2

Named

Sources