258 Tyche (Asteroid)
From South El Monte , 258 Tyche is visible in the evening sky, becoming accessible around 21:13 (PDT), 50° above your southern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:51, 51° above your southern horizon. It will continue to be observable until around 01:50, when it sinks below 21° above your western horizon.
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Name
258 Tyche
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Object type
Asteroid
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Current position
| Computed for: | 14 July 2026 |
| Right ascension: | 16h31m [1] |
| Declination: | −04°17' [1] |
| Constellation: | Ophiuchus |
| Magnitude: | 12.48 (V) [1] |
| Distance: | 1.79 AU 14.86 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