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| name | Absolute magnitude | Aphelion (m) | Argument of periapsis (°) | date discovered | Eccentricity | Longitude of the ascending node (°) | orbital Inclination (°) | Orbital period (h) | Orbital speed (m/s) | Perihelion (AU) | Semi major axis (AU) | Discoverer | number |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ceres | 3 | 01/01/1801 | 0 | 11 | 3 | Giuseppe piazzi | 1 | ||||||
| Pallas | 4 | 28/03/1802 | 0 | 35 | 3 | Heinrich Wilhelm Matthias Olbers | 2 | ||||||
| Juno | 5 | 01/09/1804 | 0 | 13 | 3 | Karl Ludwig Harding | 3 | ||||||
| Vesta | 3 | 29/03/1807 | 0 | 7 | 2 | Heinrich Wilhelm Matthias Olbers | 4 | ||||||
| Astraea | 7 | 08/12/1845 | 0 | 5 | 3 | Karl Ludwig Hencke | 5 | ||||||
| Hebe | 6 | 01/07/1847 | 0 | 15 | 2 | 6 | |||||||
| Iris | 6 | 13/08/1847 | 0 | 6 | 2 | John Russell Hind | 7 | ||||||
| Flora | 6 | 18/10/1847 | 0 | 6 | 2 | 8 | |||||||
| Metis | 6 | 25/04/1848 | 0 | 6 | 2 | Andrew Graham | 9 | ||||||
| Hygiea | 5 | 12/04/1849 | 0 | 4 | 3 | Annibale de Gasparis | 10 |