(20412) Josemariamadiedo Main-belt Asteroid
Discovered on 24 August 1998 by LINEAR at Socorro.
José María Madiedo (b. 1969) is a Spanish researcher at the Instituto de Astrofísica de Andalucía. His main areas of research include meteors and lunar impacts. He is the principal investigator of the Spectroscopy of Meteoroids in the Atmosphere by means of Robotic Technologies and the Moon Impact Flashes Detection Software projects.Naming citation (WGSBN Bull. 6, #11, 19), IAU / Minor Planet Center, via NASA/JPL
Where Josemariamadiedo is today
Seen from above the solar system on 2026-10-14: Josemariamadiedo is 2.86 au from the Sun and 3.25 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20412 |
| Provisional designation | 1998 QG73 |
| Orbit class | Main-belt Asteroid |
| Diameter | 11.7 km (#4,227 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.156 |
| Absolute magnitude (H) | 12.47 |
| Orbital period | 5.23 years |
| Semi-major axis | 3.01 au |
| Perihelion – aphelion | 2.85 – 3.17 au |
| Eccentricity | 0.0528 |
| Inclination | 8.40° |
| Closest distance between its orbit and Earth's (MOID) | 1.88 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Jose
- (2680) Mateo
- (3970) Herran
- (4436) Ortizmoreno
- (5929) Manzano
- (6109) Balseiro
- (9018) Galache
- (10523) D'Haveloose
- (10690) Massera
- (10803) Caleyo
- (12990) Josetillard
- (13476) Pepesales
- (14918) Gonzalezalegre
All asteroids named after someone called Jose
Also discovered on 24 August 1998
- (9808) Navamijain
- (15008) Delahodde
- (15009) Johnwheeler
- (16961) Mullahy
- (18737) Aliciaworley
- (20405) Barryburke
- (20411) Jooyeongeem
- (21554) Leechaohsi
- (21555) Levary
- (21556) Christineli
- (21557) Daniellitt
- (21558) Alisonliu