(5278) Polly Main-belt Asteroid
Discovered on 12 March 1988 by E. F. Helin at Palomar.
👶 Polly as a baby name🐶 Polly as a dog name🐱 Polly as a cat name
Where Polly is today
Seen from above the solar system on 2026-10-14: Polly is 2.32 au from the Sun and 1.49 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5278 |
| Provisional designation | 1988 EJ1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.44 km (#11,755 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.356 |
| Absolute magnitude (H) | 13.84 |
| Orbital period | 3.30 years |
| Semi-major axis | 2.22 au |
| Perihelion – aphelion | 2.03 – 2.41 au |
| Eccentricity | 0.0851 |
| Inclination | 4.11° |
| Closest distance between its orbit and Earth's (MOID) | 1.04 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.