(161625) Susskind Main-belt Asteroid
Discovered on 22 December 2005 by CSS at Catalina.
Leonard Susskind (b. 1940) is an American theoretical physicist and is Professor of theoretical physics at Stanford University. Recipient of the 2023 Dirac Medal and the 2018 Oskar Klein Medal, his numerous research contributions include foundational work on string theory, quantum field theory, quantum statistical mechanics, and quantum cosmology.Naming citation (WGSBN Bull. 4, #15, 8), IAU / Minor Planet Center, via NASA/JPL
Where Susskind is today
Seen from above the solar system on 2026-10-14: Susskind is 2.15 au from the Sun and 1.43 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 161625 |
| Provisional designation | 2005 YJ7 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.97 |
| Orbital period | 4.30 years |
| Semi-major axis | 2.65 au |
| Perihelion – aphelion | 1.89 – 3.40 au |
| Eccentricity | 0.285 |
| Inclination | 12.4° |
| Closest distance between its orbit and Earth's (MOID) | 0.914 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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- (195405) Lentyler
All asteroids named after someone called Leonard