258 Tyche (Asteroid)
From South El Monte , 258 Tyche will become visible at around 20:18 (PDT), 43° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:34.
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Name
258 Tyche
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Object type
Asteroid
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Current position
| Computed for: | 01 September 2026 |
| Right ascension: | 16h44m [1] |
| Declination: | −07°20' [1] |
| Constellation: | Ophiuchus |
| Magnitude: | 13.09 (V) [1] |
| Distance: | 2.23 AU 18.52 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.61 AU |
| Eccentricity: | 0.204746 |
| Inclination: | 14.33° |
| Longitude ascending node: | 207.53° |
| Argument of perihelion: | 155.31° |
| Epoch of elements: | 9 Jun 2026 |
| Mean Anomaly at epoch: | 276.54° |
| Absolute mag (H): | 8.26 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.08 AU |
| Aphelion: | 3.15 AU |
| Orbital period: | 4.23 years |
Source