555 Norma
| Name | |
|---|---|
| Name | Norma |
| Designation | 1905 PT |
| Discovery | |
| Discoverer | M. F. Wolf |
| Discovery date | January 14, 1905 |
| Discovery site | Heidelberg |
| Orbital elements | |
| Epoch August 18, 2005 (JDCT 2453600.5) | |
| Eccentricity (e) | 0.157 |
| Semimajor axis (a) | 3.184 AU |
| Perihelion (q) | 2.684 AU |
| Aphelion (Q) | 3.684 AU |
| Orbital period (P) | 5.681 a |
| Inclination (i) | 2.637° |
| Longitude of the ascending node (Ω) | 130.651° |
| Argument of Perihelion (ω) | 351.047° |
| Mean anomaly (M) | 308.122° |
555 Norma is a Themistian asteroid.
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