(21289) Giacomel Main-belt Asteroid
Discovered on 3 November 1996 by Manca, F., Giuliani, V. at Sormano.
Luigino Giacomel (b. 1960) is an engineer for the Italian company European Industrial Engineering. In the last 20 years Luigino has designed and helped with the start-up of some of the most important telescopes and radio-telescopes in the world, such as LBT, VLT, ALMA and E-ELT.Naming citation (20120831/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Giacomel is today
Seen from above the solar system on 2026-10-14: Giacomel is 2.47 au from the Sun and 3.21 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21289 |
| Provisional designation | 1996 VB1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 1.96 km (#17,076 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.351 |
| Absolute magnitude (H) | 15.59 |
| Orbital period | 3.50 years |
| Semi-major axis | 2.31 au |
| Perihelion – aphelion | 2.14 – 2.47 au |
| Eccentricity | 0.0731 |
| Inclination | 5.86° |
| Closest distance between its orbit and Earth's (MOID) | 1.15 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 3 November 1996
- (8416) Okada
- (10604) Susanoo
- (10605) Guidoni
- (10606) Crocco
- (10878) Moriyama
- (10882) Shinonaga
- (11128) Ostravia
- (17651) Tajimi
- (17652) Nepoti
- (22450) Nove Hrady
- (29408) Katoyuko
- (35298) Azumachiharu