(34645) Vieiramartins Main-belt Asteroid
Discovered on 20 November 2000 by LONEOS at Anderson Mesa.
Roberto Vieira Martins (b. 1947) is a Senior Researcher at the National Observatory of Brazil. He works on theoretical and observational activities in dynamics, as well as astrometry of small solar system bodies and their physical characterization through stellar occultations.Naming citation (WGSBN Bull. 1, #2, 18), IAU / Minor Planet Center, via NASA/JPL
Where Vieiramartins is today
Seen from above the solar system on 2026-10-14: Vieiramartins is 2.83 au from the Sun and 1.89 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 34645 |
| Provisional designation | 2000 WT67 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.55 km (#9,640 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.173 |
| Absolute magnitude (H) | 14.16 |
| Orbital period | 5.25 years |
| Semi-major axis | 3.02 au |
| Perihelion – aphelion | 2.66 – 3.38 au |
| Eccentricity | 0.120 |
| Inclination | 11.5° |
| 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 Roberto
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- (10590) Ragazzoni
- (12470) Pinotti
- (14919) Robertohaver
- (14964) Robertobacci
- (16996) Dahir
- (19224) Orosei
All asteroids named after someone called Roberto
Also discovered on 20 November 2000
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- (22165) Kathydouglas
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