(249522) Johndailey Main-belt Asteroid
Discovered on 16 February 2010 by WISE at WISE.
John Dailey (b. 1978) is a software engineer who was the lead developer for the Wide-field Infrared Survey Explorer's moving object processing system for identifying minor planets in the project's infrared images.Naming citation (MPC batch dated 2014-01-16), IAU / Minor Planet Center, via NASA/JPL
Where Johndailey is today
Seen from above the solar system on 2026-10-14: Johndailey is 2.29 au from the Sun and 3.09 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 249522 |
| Provisional designation | 2010 DP15 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.88 km (#13,037 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0620 |
| Absolute magnitude (H) | 15.98 |
| Orbital period | 4.30 years |
| Semi-major axis | 2.64 au |
| Perihelion – aphelion | 2.29 – 3.00 au |
| Eccentricity | 0.135 |
| Inclination | 12.2° |
| Closest distance between its orbit and Earth's (MOID) | 1.33 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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