(128562) Murdin Main-belt Asteroid
Discovered on 10 August 2004 by LONEOS at Anderson Mesa.
Paul Geoffrey Murdin (b. 1942) held senior positions at the Royal Greenwich Observatory and other major institutions, and was a vice president and treasurer of the International Astronomical Union. He is a prolific lecturer, broadcaster and writer on astronomy.Naming citation (20120703/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Murdin is today
Seen from above the solar system on 2026-10-14: Murdin is 2.51 au from the Sun and 3.39 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 128562 |
| Provisional designation | 2004 PM90 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.86 |
| Orbital period | 4.62 years |
| Semi-major axis | 2.77 au |
| Perihelion – aphelion | 2.44 – 3.11 au |
| Eccentricity | 0.121 |
| Inclination | 8.01° |
| Closest distance between its orbit and Earth's (MOID) | 1.43 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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