258 Tyche (Asteroid)
From South El Monte , 258 Tyche will become visible at around 21:17 (PDT), 26° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 28 minutes after the Sun at 23:34.
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Name
258 Tyche
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Object type
Asteroid
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Current position
| Computed for: | 06 July 2025 |
| Right ascension: | 11h44m [1] |
| Declination: | −01°36' [1] |
| Constellation: | Virgo |
| Magnitude: | 14.28 (V) [1] |
| Distance: | 3.27 AU 27.22 lightmin [1] |
| Angular motion (speed): | 8.54 arcmin/day[1] |
| Angular motion (pos ang): | 279.4° |
Orbital elements [1]
| Semi-major axis: | 2.61 AU |
| Eccentricity: | 0.205099 |
| Inclination: | 14.33° |
| Longitude ascending node: | 207.54° |
| Argument of perihelion: | 155.39° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 159.88° |
| Absolute mag (H): | 8.29 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.08 AU |
| Aphelion: | 3.15 AU |
| Orbital period: | 4.23 years |