(13421) Holvorcem Main-belt Asteroid
Discovered on 11 November 1999 by C. W. Juels at Fountain Hills.
Brazilian mathematician Paulo Holvorcem (b. 1967) has developed new numerical methods for simulating waves in rotating fluids and in free space. Since 1996 he has been observing near-Earth objects and developing software that efficiently allocates telescope time during automated observations.Naming citation (WGSBN Bull. 5, #28, 6), IAU / Minor Planet Center, via NASA/JPL
Where Holvorcem is today
Seen from above the solar system on 2026-10-14: Holvorcem is 2.74 au from the Sun and 3.38 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13421 |
| Provisional designation | 1999 VO12 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.63 km (#8,084 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.258 |
| Absolute magnitude (H) | 13.45 |
| Orbital period | 4.33 years |
| Semi-major axis | 2.66 au |
| Perihelion – aphelion | 2.40 – 2.91 au |
| Eccentricity | 0.0948 |
| Inclination | 3.30° |
| Closest distance between its orbit and Earth's (MOID) | 1.41 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Paulo
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