(1273) Helma Main-belt Asteroid
Discovered on 8 August 1932 by K. Reinmuth at Heidelberg.
Where Helma is today
Seen from above the solar system on 2026-10-14: Helma is 2.73 au from the Sun and 3.32 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1273 |
| Provisional designation | 1932 PF |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.28 km (#8,537 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.340 |
| Rotation period | 6.09 hours |
| Absolute magnitude (H) | 13.0 |
| Orbital period | 3.71 years |
| Semi-major axis | 2.40 au |
| Perihelion – aphelion | 2.01 – 2.78 au |
| Eccentricity | 0.161 |
| Inclination | 5.40° |
| Closest distance between its orbit and Earth's (MOID) | 1.01 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.