(21414) Blumenthal Main-belt Asteroid
Discovered on 20 March 1998 by LINEAR at Socorro.
Daniel Abraham Blumenthal (b. 1988) was awarded second place in the 2006 Intel International Science and Engineering Fair for his microbiology project. He attends the Jones College Prep, Chicago, Illinois, U.S.A.Naming citation (20060711/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Blumenthal is today
Seen from above the solar system on 2026-10-14: Blumenthal is 2.22 au from the Sun and 2.06 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21414 |
| Provisional designation | 1998 FQ69 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.26 km (#14,570 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.456 |
| Rotation period | 36.1 hours |
| Absolute magnitude (H) | 14.18 |
| Orbital period | 3.75 years |
| Semi-major axis | 2.42 au |
| Perihelion – aphelion | 1.81 – 3.02 au |
| Eccentricity | 0.249 |
| Inclination | 11.8° |
| Closest distance between its orbit and Earth's (MOID) | 0.810 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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All asteroids named after someone called Daniel
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