| Name | |
|---|---|
| Name | Appella |
| Designation | 1922 MT |
| Discovery | |
| Discoverer | B. Jekhovsky |
| Discovery date | November 10, 1922 |
| Discovery site | Algiers |
| Orbital elements | |
| Epoch August 18, 2005 (JDCT 2453600.5) | |
| Eccentricity (e) | 0.232 |
| Semimajor axis (a) | 3.147 AU |
| Perihelion (q) | 2.418 AU |
| Aphelion (Q) | 3.877 AU |
| Orbital period (P) | 5.583 a |
| Inclination (i) | 1.578° |
| Longitude of the ascending node (Ω) | 41.866° |
| Argument of Perihelion (ω) | 337.857° |
| Mean anomaly (M) | 285.825° |
988 Appella is a Themistian asteroid.
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