(1241) Dysona Main-belt Asteroid
Discovered on 4 March 1932 by H. E. Wood at Johannesburg.
Where Dysona is today
Seen from above the solar system on 2026-10-14: Dysona is 3.46 au from the Sun and 3.05 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1241 |
| Provisional designation | 1932 EB1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 79.2 km (#387 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0470 |
| Rotation period | 8.61 hours |
| Spectral type | PDC |
| Absolute magnitude (H) | 9.7 |
| Orbital period | 5.69 years |
| Semi-major axis | 3.19 au |
| Perihelion – aphelion | 2.87 – 3.51 au |
| Eccentricity | 0.0995 |
| Inclination | 23.5° |
| Closest distance between its orbit and Earth's (MOID) | 1.88 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.