(33544) Jerold Main-belt Asteroid
Discovered on 15 May 1999 by C. W. Juels at Fountain Hills.
Jerold Z. Kaplan (b. 1945) is a physician and surgeon who has been caring for individuals with burns and wounds in northern California since 1977. He is a burn prevention educator and utilizes medical hypnosis. As teenagers, he and this minor planet's discoverer often viewed the heavens with the latter's 60-mm refractor.Naming citation (20031110/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Jerold is today
Seen from above the solar system on 2026-10-14: Jerold is 2.91 au from the Sun and 3.66 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 33544 |
| Provisional designation | 1999 JY8 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.97 km (#12,833 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.372 |
| Absolute magnitude (H) | 14.06 |
| Orbital period | 4.06 years |
| Semi-major axis | 2.54 au |
| Perihelion – aphelion | 2.11 – 2.97 au |
| Eccentricity | 0.169 |
| Inclination | 13.4° |
| Closest distance between its orbit and Earth's (MOID) | 1.15 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.