Kepler's second law. Astronomia Nova, 1609.
Date
Dec 2023
Distance from the sun
35.1 AU
Speed
0.9 km/s
5 years
Dec 2023 to Dec 2028
5 years
Jul 2056 to Jul 2061
Comet position solved from Kepler's equation every frame. 1 AU is the distance from Earth to the sun.
a 17.83 AU  ·  e 0.967  ·  period 75.3 years  ·  perihelion 28 July 2061