(23688) Josephjoachim Main-belt Asteroid
Discovered on 3 May 1997 by E. W. Elst at La Silla.
Joseph Joachim (1831-1907) was a Hungarian violist, conductor and composer, and a close friend of Mendelssohn and Brahms. He is known for his revival of Bach's sonatas for violin solo.Naming citation (20121228/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Josephjoachim is today
Seen from above the solar system on 2026-10-14: Josephjoachim is 2.18 au from the Sun and 2.57 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 23688 |
| Provisional designation | 1997 JJ11 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.93 km (#10,752 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.377 |
| Absolute magnitude (H) | 13.75 |
| Orbital period | 4.13 years |
| Semi-major axis | 2.57 au |
| Perihelion – aphelion | 2.11 – 3.03 au |
| Eccentricity | 0.179 |
| Inclination | 14.5° |
| Closest distance between its orbit and Earth's (MOID) | 1.16 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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