(988) Appella Main-belt Asteroid
Discovered on 10 November 1922 by B. Jekhovsky at Algiers.
Where Appella is today
Seen from above the solar system on 2026-10-14: Appella is 3.80 au from the Sun and 4.75 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 988 |
| Provisional designation | A922 VC |
| Orbit class | Main-belt Asteroid |
| Diameter | 20.4 km (#2,152 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0970 |
| Rotation period | 120 hours |
| Absolute magnitude (H) | 11.61 |
| Orbital period | 5.56 years |
| Semi-major axis | 3.14 au |
| Perihelion – aphelion | 2.40 – 3.88 au |
| Eccentricity | 0.237 |
| Inclination | 1.57° |
| Closest distance between its orbit and Earth's (MOID) | 1.40 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.