(712499) Alexstefanescu Main-belt Asteroid
Discovered on 22 September 2014 by EURONEAR at La Palma.
Alex Stefanescu (b. 1955) is a retired Romanian-Canadian electrical engineer and amateur astronomer. A former director of the Bellevue Observatory, he participated in instrument maintenance, astronomy camps, stargazing, public talks and astrophotography, attending three total solar eclipses.Naming citation (WGSBN Bull. 5, #17, 31), IAU / Minor Planet Center, via NASA/JPL
Where Alexstefanescu is today
Seen from above the solar system on 2026-10-14: Alexstefanescu is 2.87 au from the Sun and 3.55 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 712499 |
| Provisional designation | 2014 US48 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.95 |
| Orbital period | 5.33 years |
| Semi-major axis | 3.05 au |
| Perihelion – aphelion | 2.63 – 3.47 au |
| Eccentricity | 0.137 |
| Inclination | 9.63° |
| Closest distance between its orbit and Earth's (MOID) | 1.66 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Alex
- (9321) Alexkonopliv
- (12955) Alexdekoter
- (13301) Hofsteen
- (14220) Alexgibbs
- (15021) Alexkardon
- (15032) Alexlevin
- (17130) Alexzhang
- (19155) Lifeson
- (23307) Alexramek
- (25091) Sanchez-Claudio
- (25701) Alexkeeler
- (28795) Alexelbert
All asteroids named after someone called Alex