(1947) Iso-Heikkila Main-belt Asteroid
Discovered on 4 March 1935 by Y. Vaisala at Turku.
Named for the farm, owned by Turku University, that became the site of the Turku Observatory. This minor planet was the first one to be discovered there.Naming citation (MPC 5450), IAU / Minor Planet Center, via NASA/JPL
Where Iso-Heikkila is today
Seen from above the solar system on 2026-10-14: Iso-Heikkila is 3.10 au from the Sun and 3.04 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1947 |
| Provisional designation | 1935 EA |
| Orbit class | Main-belt Asteroid |
| Diameter | 31.6 km (#1,294 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0490 |
| Rotation period | 5.02 hours |
| Absolute magnitude (H) | 11.34 |
| Orbital period | 5.60 years |
| Semi-major axis | 3.15 au |
| Perihelion – aphelion | 3.01 – 3.29 au |
| Eccentricity | 0.0443 |
| Inclination | 11.9° |
| Closest distance between its orbit and Earth's (MOID) | 2.01 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.