Hyakutake

Orbital elements

Semi-major axis

-3,913.664 AU

Eccentricity

1.0003

Inclination

54.47°

Perihelion

1.055 AU

Longitude of ascending node

195.76°

Argument of periapsis

46.35°

Epoch · J2000

JD 2450137.78743 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 84.3 LD

0.2165 AU

Orbit quality

Observations used

259

Data arc

270 days

First observed

26 December 1995

Last observed

21 September 1996

Residual RMS

0.87 ″

Solution · Otto Matic

15 April 2021

Visual & observation

Absolute magnitude (H)

9.9

Total magnitude M₁ · K₁ 15

9.9

Discovery & classification

Also known as 1995 Y1