(4299) WIYN Main-belt Asteroid
Discovered on 28 August 1952 by Indiana University at Brooklyn.
Where WIYN is today
Seen from above the solar system on 2026-10-14: WIYN is 1.86 au from the Sun and 0.902 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4299 |
| Provisional designation | 1952 QX |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.94 km (#6,648 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.256 |
| Rotation period | 26.0 hours |
| Spectral type | S |
| Absolute magnitude (H) | 12.9 |
| Orbital period | 3.36 years |
| Semi-major axis | 2.24 au |
| Perihelion – aphelion | 1.86 – 2.63 au |
| Eccentricity | 0.171 |
| Inclination | 5.09° |
| Closest distance between its orbit and Earth's (MOID) | 0.868 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.