190 Ismene (Asteroid)
From South El Monte , 190 Ismene is not readily observable since it is very close to the Sun, at a separation of only 9° from it.
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Name
190 Ismene
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Object type
Asteroid
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Current position
| Computed for: | 23 December 2025 |
| Right ascension: | 18h39m [1] |
| Declination: | −18°12' [1] |
| Constellation: | Sagittarius |
| Magnitude: | 15.19 (V) [1] |
| Distance: | 5.61 AU 46.63 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 3.99 AU |
| Eccentricity: | 0.168267 |
| Inclination: | 6.17° |
| Longitude ascending node: | 175.40° |
| Argument of perihelion: | 271.45° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 195.55° |
| Absolute mag (H): | 7.88 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 3.32 AU |
| Aphelion: | 4.67 AU |
| Orbital period: | 7.98 years |