579 Sidonia (Asteroid)
From South El Monte , 579 Sidonia will become visible at around 18:40 (PST), 52° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 23:01.
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Name
579 Sidonia
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Object type
Asteroid
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Current position
| Computed for: | 21 February 2026 |
| Right ascension: | 02h42m [1] |
| Declination: | +11°29' [1] |
| Constellation: | Aries |
| Magnitude: | 13.94 (V) [1] |
| Distance: | 3.27 AU 27.16 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 3.01 AU |
| Eccentricity: | 0.076188 |
| Inclination: | 11.02° |
| Longitude ascending node: | 82.62° |
| Argument of perihelion: | 229.09° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 81.54° |
| Absolute mag (H): | 8.02 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.78 AU |
| Aphelion: | 3.24 AU |
| Orbital period: | 5.23 years |