NEAT

Orbital elements

Semi-major axis

-1,483.58 AU

Eccentricity

1.0021

Inclination

145.07°

Perihelion

3.157 AU

Longitude of ascending node

135.77°

Argument of periapsis

40.02°

Epoch · J2000

JD 2450619.10305 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 877.6 LD

2.255 AU

Orbit quality

Observations used

197

Data arc

353 days

First observed

9 January 1997

Last observed

28 December 1997

Residual RMS

0.64 ″

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 1997 A1