(5574) Seagrave Main-belt Asteroid
Discovered on 20 March 1984 by Z. Vavrova at Klet.
Frank Evans Seagrave (1860-1934) was an American amateur astronomer, who observed the Sun, variable stars, novae, comets and minor planets from his private observatory. He was a prodigious computer of orbits of minor planets and comets, including the 1910 return of 1P/Halley.Naming citation (MPC batch dated 2014-09-09), IAU / Minor Planet Center, via NASA/JPL
Where Seagrave is today
Seen from above the solar system on 2026-10-14: Seagrave is 2.34 au from the Sun and 2.89 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5574 |
| Provisional designation | 1984 FS |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.85 km (#5,870 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.297 |
| Rotation period | 4.66 hours |
| Absolute magnitude (H) | 12.29 |
| Orbital period | 4.29 years |
| Semi-major axis | 2.64 au |
| Perihelion – aphelion | 2.34 – 2.94 au |
| Eccentricity | 0.114 |
| Inclination | 14.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.36 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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