(15503) Estradioto Main-belt Asteroid
Discovered on 7 September 1999 by LINEAR at Socorro.
Juliana Davoglio Estradioto (b. 2000) was awarded first place in the 2019 Intel International Science and Engineering Fair for her materials science project. She attended the IFRS Ciencia e Tecnologia, Osorio, Rio Grande do Sul, Brazil.Naming citation (WGSBN Bull. 3, #7, 6), IAU / Minor Planet Center, via NASA/JPL
Where Estradioto is today
Seen from above the solar system on 2026-10-14: Estradioto is 2.80 au from the Sun and 2.71 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 15503 |
| Provisional designation | 1999 RD25 |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.63 km (#5,319 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0500 |
| Absolute magnitude (H) | 14.25 |
| Orbital period | 4.31 years |
| Semi-major axis | 2.65 au |
| Perihelion – aphelion | 2.49 – 2.81 au |
| Eccentricity | 0.0597 |
| Inclination | 3.55° |
| Closest distance between its orbit and Earth's (MOID) | 1.48 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Juliana
All asteroids named after someone called Juliana
Also discovered on 7 September 1999
- (12126) Chersidamas
- (12577) Samra
- (12578) Bensaur
- (12585) Katschwarz
- (12586) Juliaspeyer
- (12588) Arseneau
- (12604) Lisatate
- (12924) Madisonicole
- (13818) Ullery
- (14214) Hirsch
- (16067) Brandonfan
- (16068) Citron