(2474) Ruby Main-belt Asteroid
Discovered on 14 August 1979 by Z. Vavrova at Klet.
👶 Ruby as a baby name🐶 Ruby as a dog name🐱 Ruby as a cat name
Where Ruby is today
Seen from above the solar system on 2026-10-14: Ruby is 2.44 au from the Sun and 3.37 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2474 |
| Provisional designation | 1979 PB |
| Orbit class | Main-belt Asteroid |
| Diameter | 23.9 km (#1,782 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0590 |
| Rotation period | 7.42 hours |
| Absolute magnitude (H) | 11.9 |
| Orbital period | 4.41 years |
| Semi-major axis | 2.69 au |
| Perihelion – aphelion | 2.10 – 3.27 au |
| Eccentricity | 0.217 |
| Inclination | 7.50° |
| Closest distance between its orbit and Earth's (MOID) | 1.09 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.