(540413) Nikzad Main-belt Asteroid
Discovered on 2 February 2010 by WISE at WISE.
Shouleh Nikzad (b. 1961) is an Iranian-American electronics engineer and research scientist at the Jet Propulsion Laboratory where she leads the Advanced Detector Arrays, Imaging Systems, & Nanoscience Group. Her research work considers ultraviolet and low-energy particle detectors, nanostructure devices, and novel spectrometers.Naming citation (WGSBN Bull. 3, #8, 6), IAU / Minor Planet Center, via NASA/JPL
Where Nikzad is today
Seen from above the solar system on 2026-10-14: Nikzad is 2.23 au from the Sun and 2.26 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 540413 |
| Provisional designation | 2017 SU55 |
| Orbit class | Main-belt Asteroid |
| Diameter | 1.90 km (#17,143 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0280 |
| Absolute magnitude (H) | 17.66 |
| Orbital period | 4.12 years |
| Semi-major axis | 2.57 au |
| Perihelion – aphelion | 2.21 – 2.93 au |
| Eccentricity | 0.141 |
| Inclination | 9.26° |
| Closest distance between its orbit and Earth's (MOID) | 1.24 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.