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Comet

PANSTARRS

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C/2011 L4 (PANSTARRS)

Orbital elements

Semi-major axis
-9,202.65 AU
Eccentricity
1
Inclination
84.21°
Perihelion
0.302 AU
Longitude of ascending node
65.67°
Argument of periapsis
333.65°
Epoch · J2000
JD 2456361.66996 (perihelion)
Orbit class · HYP
Hyperbolic comet
Earth MOID · 257.0 LD
0.6603 AU

Orbit quality

Observations used
5,413
Data arc
3.27 years
First observed
21 May 2011
Last observed
27 August 2014
Residual RMS
0.52 ″
Solution · Otto Matic
15 April 2021

Visual & observation

Absolute magnitude (H)
7.8
Total magnitude M₁ · K₁ 6.5
7.8

Discovery & classification

Also known as 2011 L4

Named

Sources