190 Ismene (Asteroid)
From Fairfield , 190 Ismene is not observable – it will reach its highest point in the sky during daytime and is no higher than 11° above the horizon at dusk.
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Name
190 Ismene
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Object type
Asteroid
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Current position
| Computed for: | 29 September 2024 |
| Right ascension: | 15h20m [1] |
| Declination: | −13°21' [1] |
| Constellation: | Libra |
| Magnitude: | 15.40 (V) [1] |
| Distance: | 5.22 AU 43.40 lightmin [1] |
| Angular motion (speed): | 4.90 arcmin/day[1] |
| Angular motion (pos ang): | 281.4° |
Orbital elements [1]
| Semi-major axis: | 3.99 AU |
| Eccentricity: | 0.168317 |
| Inclination: | 6.17° |
| Longitude ascending node: | 175.42° |
| Argument of perihelion: | 271.30° |
| Epoch of elements: | 17 October 2024 |
| Mean Anomaly at epoch: | 146.33° |
| Absolute mag (H): | 7.91 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 3.32 AU |
| Aphelion: | 4.67 AU |
| Orbital period: | 7.98 years |