Catalina

Orbital elements

Semi-major axis

-2,937.713 AU

Eccentricity

1.0003

Inclination

148.88°

Perihelion

0.823 AU

Longitude of ascending node

186.14°

Argument of periapsis

340.36°

Epoch · J2000

JD 2457342.22164 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 53.9 LD

0.1386 AU

Tisserand (Jupiter)

2.21

Orbit quality

Observations used

4,397

Data arc

4.26 years

First observed

14 August 2013

Last observed

16 November 2017

Residual RMS

0.45 ″

Solution · Otto Matic

7 March 2026

Visual & observation

Absolute magnitude (H)

8.5

Total magnitude M₁ · K₁ 6.3

8.5

Discovery & classification

Also known as 2013 US10