2290 Helffrich

Main-belt minor planet

Designation: (2290) Helffrich
Class: Main-belt
Semi-major axis: 2.5930597 AU
Eccentricity: 0.2324824
Inclination: 11.55024°
Absolute magnitude (H): 12.63
Perihelion: 1.990 AU
Aphelion: 3.196 AU