(4789) Sprattia Main-belt Asteroid
Discovered on 20 October 1987 by D. D. Balam at Victoria.
Where Sprattia is today
Seen from above the solar system on 2026-10-14: Sprattia is 2.38 au from the Sun and 3.24 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4789 |
| Provisional designation | 1987 UU2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.17 km (#12,336 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.279 |
| Rotation period | 3.14 hours |
| Absolute magnitude (H) | 14.11 |
| Orbital period | 3.35 years |
| Semi-major axis | 2.24 au |
| Perihelion – aphelion | 1.96 – 2.52 au |
| Eccentricity | 0.125 |
| Inclination | 1.28° |
| Closest distance between its orbit and Earth's (MOID) | 0.955 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.