LINEAR

Orbital elements

Semi-major axis

-9,066.409 AU

Eccentricity

1.0004

Inclination

156.43°

Perihelion

3.975 AU

Longitude of ascending node

210.46°

Argument of periapsis

124.65°

Epoch · J2000

JD 2450936.00012 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 1,190.9 LD

3.06 AU

Orbit quality

Observations used

122

Data arc

87 days

First observed

18 October 1998

Last observed

13 January 1999

Residual RMS

0.77 ″

Solution · Otto Matic

15 April 2021

Visual & observation

Absolute magnitude (H)

9.5

Total magnitude M₁ · K₁ 10

9.5

Discovery & classification

Also known as 1998 U1