(100045) Kirchherr Mars-crossing Asteroid

Discovered on 5 October 1991 by C. S. Shoemaker at Palomar.

Astrid Kirchherr (1938–2020) was a German photographer and artist. She is best known for the photographs she took of the original members of The Beatles in Hamburg in 1960. Astrid took “behind the scenes” photographs of the group during the filming of A Hard Day's Night (1964).Naming citation (WGSBN Bull. 5, #25, 7), IAU / Minor Planet Center, via NASA/JPL

Where Kirchherr is today

Seen from above the solar system on 2026-10-14: Kirchherr is 2.95 au from the Sun and 3.03 au from Earth. Computed from JPL's orbital elements.

Facts

Number	100045
Provisional designation	1991 TK1
Orbit class	Mars-crossing Asteroid
Rotation period	27.2 hours
Absolute magnitude (H)	14.29
Orbital period	3.60 years
Semi-major axis	2.35 au
Perihelion – aphelion	1.66 – 3.04 au
Eccentricity	0.294
Inclination	22.0°
Closest distance between its orbit and Earth's (MOID)	0.774 au

Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.

Also named after someone called Astrid

All asteroids named after someone called Astrid

Also discovered on 5 October 1991

More named asteroids discovered by C. S. Shoemaker

All 140

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