SWAN

Orbital elements

Semi-major axis

-14.17 AU

Eccentricity

1.0005

Inclination

144.43°

Perihelion

0.007 AU

Longitude of ascending node

6.58°

Argument of periapsis

82.41°

Epoch · J2000

JD 2456001.52907 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 211.3 LD

0.543 AU

Orbit quality

Observations used

43

Data arc

2 days

First observed

11 March 2012

Last observed

13 March 2012

Residual RMS

0.51 ″

Solution · Otto Matic

15 April 2021

Discovery & classification

Also known as 2012 E2