(32730) Lamarr Main-belt Asteroid
Discovered on 4 September 1951 by K. Reinmuth at Heidelberg.
Hedy Lamarr (1914-2000) was a Austrian-American inventor and actress. Along with George Antheil, she developed technology for a radio guidance system to assist the Allied war effort in WWII. These technologies are used in current Bluetooth systems.Naming citation (MPC batch dated 2019-08-27), IAU / Minor Planet Center, via NASA/JPL
Where Lamarr is today
Seen from above the solar system on 2026-10-14: Lamarr is 2.29 au from the Sun and 2.86 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 32730 |
| Provisional designation | 1951 RX |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.06 km (#15,058 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.327 |
| Absolute magnitude (H) | 14.58 |
| Orbital period | 3.29 years |
| Semi-major axis | 2.21 au |
| Perihelion – aphelion | 1.75 – 2.68 au |
| Eccentricity | 0.209 |
| Inclination | 5.75° |
| Closest distance between its orbit and Earth's (MOID) | 0.754 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.