385 Ilmatar (Asteroid)
From South El Monte , 385 Ilmatar will become visible at around 17:51 (PST), 23° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 29 minutes after the Sun at 20:15.
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Name
385 Ilmatar
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Object type
Asteroid
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Current position
| Computed for: | 22 December 2025 |
| Right ascension: | 21h20m [1] |
| Declination: | −18°46' [1] |
| Constellation: | Capricornus |
| Magnitude: | 13.95 (V) [1] |
| Distance: | 3.77 AU 31.32 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.85 AU |
| Eccentricity: | 0.126922 |
| Inclination: | 13.58° |
| Longitude ascending node: | 344.83° |
| Argument of perihelion: | 189.10° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 142.13° |
| Absolute mag (H): | 7.81 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.49 AU |
| Aphelion: | 3.21 AU |
| Orbital period: | 4.81 years |