Sandage

Orbital elements

Semi-major axis

-674.002 AU

Eccentricity

1.0063

Inclination

79.37°

Perihelion

4.276 AU

Longitude of ascending node

225.49°

Argument of periapsis

56.65°

Epoch · J2000

JD 2441636.28841 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 1,415.6 LD

3.6376 AU

Orbit quality

Observations used

146

Data arc

862 days

First observed

9 June 1972

Last observed

19 October 1974

Residual RMS

0.6 ″

Solution · Otto Matic

15 April 2021

Visual & observation

Absolute magnitude (H)

5.6

Total magnitude M₁ · K₁ 7.3

5.6

Discovery & classification

Also known as 1972 L1