(1946) Walraven Main-belt Asteroid
Discovered on 8 August 1931 by H. van Gent at Johannesburg.
Where Walraven is today
Seen from above the solar system on 2026-10-14: Walraven is 2.55 au from the Sun and 2.99 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1946 |
| Provisional designation | 1931 PH |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.21 km (#5,618 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.362 |
| Rotation period | 10.2 hours |
| Absolute magnitude (H) | 12.27 |
| Orbital period | 3.47 years |
| Semi-major axis | 2.29 au |
| Perihelion – aphelion | 1.76 – 2.83 au |
| Eccentricity | 0.235 |
| Inclination | 8.16° |
| Closest distance between its orbit and Earth's (MOID) | 0.754 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.