(40436) Sylviecoyaud Main-belt Asteroid
Discovered on 10 September 1999 by Campo Catino at Campo Catino.
Born in Paris but working in Italy, Sylvie Coyaud is a well-known scientific reporter. As presenter of the Rai-Radio 3 program Le oche di Lorenz, she spreads science with seriousness, comprehensibility and scientific exactness. An amateur astronomer since childhood, she has a special passion for minor planets.Naming citation (20030106/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Sylviecoyaud is today
Seen from above the solar system on 2026-10-14: Sylviecoyaud is 2.91 au from the Sun and 3.87 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 40436 |
| Provisional designation | 1999 RQ32 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.83 km (#9,186 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0630 |
| Absolute magnitude (H) | 15.11 |
| Orbital period | 4.15 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 2.23 – 2.93 au |
| Eccentricity | 0.135 |
| Inclination | 4.99° |
| Closest distance between its orbit and Earth's (MOID) | 1.23 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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