(34354) Johnmadland Main-belt Asteroid
Discovered on 1 September 2000 by LINEAR at Socorro.
John William Madland (b. 2004) was a finalist in the 2018 Broadcom MASTERS, a math and science competition for middle school students, for his physics project. He attended the Leslie Middle School, Salem, Oregon.Naming citation (WGSBN Bull. 2, #5, 10), IAU / Minor Planet Center, via NASA/JPL
Where Johnmadland is today
Seen from above the solar system on 2026-10-14: Johnmadland is 2.43 au from the Sun and 1.47 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 34354 |
| Provisional designation | 2000 RL18 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.89 km (#15,483 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.255 |
| Absolute magnitude (H) | 15.09 |
| Orbital period | 3.67 years |
| Semi-major axis | 2.38 au |
| Perihelion – aphelion | 2.12 – 2.63 au |
| Eccentricity | 0.107 |
| Inclination | 5.26° |
| Closest distance between its orbit and Earth's (MOID) | 1.11 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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