190 Ismene (Asteroid)
From South El Monte , 190 Ismene is visible in the evening sky, becoming accessible around 20:35 (PDT), 32° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:45, 41° above your southern horizon. It will continue to be observable until around 02:04, when it sinks below 21° above your south-western horizon.
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Name
190 Ismene
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Object type
Asteroid
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Current position
| Computed for: | 20 August 2026 |
| Right ascension: | 19h51m [1] |
| Declination: | −14°46' [1] |
| Constellation: | Sagittarius |
| Magnitude: | 14.41 (V) [1] |
| Distance: | 3.59 AU 29.85 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 4.00 AU |
| Eccentricity: | 0.168161 |
| Inclination: | 6.18° |
| Longitude ascending node: | 175.38° |
| Argument of perihelion: | 271.51° |
| Epoch of elements: | 9 Jun 2026 |
| Mean Anomaly at epoch: | 220.17° |
| Absolute mag (H): | 7.88 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 3.32 AU |
| Aphelion: | 4.67 AU |
| Orbital period: | 7.99 years |
Source