(31648) Pedrosada Main-belt Asteroid
Discovered on 11 April 1999 by LONEOS at Anderson Mesa.
Pedro Antonio Valdés Sada (b. 1973) is a professor of physics and mathematics at the Universidad de Monterrey (Mexico), whose research includes astrometry and photometry of asteroids as well as stellar occultations.Naming citation (WGSBN Bull. 3, #2, 7), IAU / Minor Planet Center, via NASA/JPL
Where Pedrosada is today
Seen from above the solar system on 2026-10-14: Pedrosada is 2.64 au from the Sun and 2.62 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 31648 |
| Provisional designation | 1999 GL53 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.45 km (#11,742 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.269 |
| Rotation period | 3.48 hours |
| Absolute magnitude (H) | 14.18 |
| Orbital period | 4.08 years |
| Semi-major axis | 2.55 au |
| Perihelion – aphelion | 2.28 – 2.83 au |
| Eccentricity | 0.109 |
| Inclination | 13.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.28 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Pedro
- (4443) Paulet
- (4617) Zadunaisky
- (10694) Lacerda
- (11265) Hasselmann
- (13082) Gutierrez
- (17041) Castagna
- (20227) Bernardinelli
- (24048) Pedroduque
- (32599) Pedromachado
- (35623) Pedrodavid
- (249539) Pedrosevilla
- (554239) Montseypedro
All asteroids named after someone called Pedro
Also discovered on 11 April 1999
- (12923) Zephyr
- (22783) Teng
- (29895) Sarafaggi
- (31647) Beauwigman
- (33490) Roggemans
- (33491) Tonyroman
- (33525) Teresinha
- (85970) Fundacaoterra