(28418) Pornwasu Main-belt Asteroid
Discovered on 4 November 1999 by LINEAR at Socorro.
Pornwasu Pongtheerawan (b. 1994) was awarded best of category and first place in the 2011 Intel International Science and Engineering Fair for his environmental management team project. He also received the Intel Foundation Young Scientist Award. He attends the Suratpittaya School, Meung, Suratthani, Thailand.Naming citation (20121029/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Pornwasu is today
Seen from above the solar system on 2026-10-14: Pornwasu is 2.63 au from the Sun and 2.32 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 28418 |
| Provisional designation | 1999 VQ54 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 87.8 hours |
| Absolute magnitude (H) | 16.46 |
| Orbital period | 3.49 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 1.96 – 2.63 au |
| Eccentricity | 0.146 |
| Inclination | 0.414° |
| Closest distance between its orbit and Earth's (MOID) | 0.976 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 4 November 1999
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- (13435) Rohret
- (13825) Booth
- (16102) Barshannon
- (20686) Thottumkara
- (20687) Saletore
- (20688) Sandroricardo
- (20689) Zhuyuanchen
- (20690) Crivello
- (21924) Alyssaovaitt
- (21925) Supasternak
- (21926) Jacobperry