522 Helga
| Name | |
|---|---|
| Name | Helga |
| Designation | 1904 NC |
| Discovery | |
| Discoverer | Max Wolf |
| Discovery date | January 10, 1904 |
| Discovery site | Heidelberg |
| Orbital elements | |
| Epoch November 13, 1989 (JDCT 2447843.5) | |
| Eccentricity (e) | 0.077 |
| Semimajor axis (a) | 3.632 AU |
| Perihelion (q) | 3.353 AU |
| Aphelion (Q) | 3.910 AU |
| Orbital period (P) | 6.921 a |
| Inclination (i) | 4.446° |
| Longitude of the ascending node (Ω) | 117.518° |
| Argument of Perihelion (ω) | 249.301° |
| Mean anomaly (M) | -112.151° |
522 Helga is a minor planet orbiting the Sun. It is notable for being the first such object to be shown to be in a stable but chaotic orbit in resonance with Jupiter, its Lyapunov time being relatively short, at 6,900 yr. Despite this, its orbit appears to be stable, as the eccentricity and precession rates are such that it avoids close encounters with Jupiter. [1]
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