(4046) Swain Main-belt Asteroid
Discovered on 7 October 1953 by Indiana University at Brooklyn.
Where Swain is today
Seen from above the solar system on 2026-10-14: Swain is 2.69 au from the Sun and 1.75 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4046 |
| Provisional designation | 1953 TV |
| Orbit class | Main-belt Asteroid |
| Diameter | 13.2 km (#3,668 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.147 |
| Rotation period | 7.18 hours |
| Absolute magnitude (H) | 12.41 |
| Orbital period | 4.28 years |
| Semi-major axis | 2.63 au |
| Perihelion – aphelion | 2.46 – 2.81 au |
| Eccentricity | 0.0668 |
| Inclination | 7.86° |
| Closest distance between its orbit and Earth's (MOID) | 1.46 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.