(355256) Margarethekahn Amor
Discovered on 20 May 2007 by CSS at Catalina.
Margarethe Kahn (1880–c. 1942) was a German mathematician and Holocaust victim. A pioneer of women’s education, she was among the first women in Germany to earn a doctorate, completing her dissertation under David Hilbert in 1909. Dismissed from her teaching position in 1936, she went missing in 1942 after being deported to Poland.Naming citation (WGSBN Bull. 5, #28, 14), IAU / Minor Planet Center, via NASA/JPL
Where Margarethekahn is today
Seen from above the solar system on 2026-10-14: Margarethekahn is 3.77 au from the Sun and 3.08 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 355256 |
| Provisional designation | 2007 KN4 |
| Orbit class | Amor · near-Earth |
| Rotation period | 7.15 hours |
| Absolute magnitude (H) | 16.78 |
| Orbital period | 6.13 years |
| Semi-major axis | 3.35 au |
| Perihelion – aphelion | 1.24 – 5.46 au |
| Eccentricity | 0.630 |
| Inclination | 12.5° |
| Closest distance between its orbit and Earth's (MOID) | 0.280 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.