(21451) Fisher Main-belt Asteroid
Discovered on 28 April 1998 by P. G. Comba at Prescott.
Ronald Aylmer Fisher (1890-1962), a graduate of the University of Cambridge, was the foremost statistician of his time. Initially interested in biological experiments, he made major contributions to significance testing, analysis of variance, parameter estimation and design of experiments.Naming citation (20010509/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
👶 Fisher as a baby name🐶 Fisher as a dog name
Where Fisher is today
Seen from above the solar system on 2026-10-14: Fisher is 2.33 au from the Sun and 2.05 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21451 |
| Provisional designation | 1998 HS23 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.24 |
| Orbital period | 3.44 years |
| Semi-major axis | 2.28 au |
| Perihelion – aphelion | 2.12 – 2.44 au |
| Eccentricity | 0.0715 |
| Inclination | 0.696° |
| Closest distance between its orbit and Earth's (MOID) | 1.13 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Ronald
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