(18824) Graves Main-belt Asteroid
Discovered on 14 July 1999 by LINEAR at Socorro.
Daniel David Graves (b. 1986) was awarded third place in the 2003 Intel International Science and Engineering Fair for his mathematics project. He attends the Nicolet High School, Glendale, Wisconsin, U.S.A.Naming citation (20040830/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Graves is today
Seen from above the solar system on 2026-10-14: Graves is 2.75 au from the Sun and 1.98 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18824 |
| Provisional designation | 1999 NF23 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.48 km (#16,307 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.263 |
| Absolute magnitude (H) | 14.91 |
| Orbital period | 3.68 years |
| Semi-major axis | 2.38 au |
| Perihelion – aphelion | 1.99 – 2.78 au |
| Eccentricity | 0.164 |
| Inclination | 1.91° |
| Closest distance between its orbit and Earth's (MOID) | 0.987 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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