(22028) Matthewdaniels Main-belt Asteroid
Discovered on 7 December 1999 by CSS at Catalina.
Matthew Daniels (b. 1985) served as the Assistant Director for Space Security & Special Projects in the White House’s Office of Science and Technology Policy. He co-chaired the 2023 update to the USA’s planetary defense strategy and action plan, and his efforts have advanced the nation’s ability to effectively detect, prepare for, and mitigate NEO hazards.Naming citation (WGSBN Bull. 5, #2, 20), IAU / Minor Planet Center, via NASA/JPL
Where Matthewdaniels is today
Seen from above the solar system on 2026-10-14: Matthewdaniels is 1.93 au from the Sun and 1.73 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22028 |
| Provisional designation | 1999 XP125 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 17.4 hours |
| Absolute magnitude (H) | 14.71 |
| Orbital period | 3.48 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 1.88 – 2.71 au |
| Eccentricity | 0.180 |
| Inclination | 5.33° |
| Closest distance between its orbit and Earth's (MOID) | 0.871 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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