LINEAR

Orbital elements

Semi-major axis

-3,605.303 AU

Eccentricity

1.0009

Inclination

134.8°

Perihelion

3.091 AU

Longitude of ascending node

188.88°

Argument of periapsis

184.26°

Epoch · J2000

JD 2451992.54812 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 813.8 LD

2.0911 AU

Orbit quality

Observations used

833

Data arc

3.51 years

First observed

29 October 1999

Last observed

4 May 2003

Residual RMS

0.74 ″

Solution · Otto Matic

30 April 2022

Visual & observation

Absolute magnitude (H)

7.3

Total magnitude M₁ · K₁ 8.5

7.3

Discovery & classification

Also known as 1999 Y1