249 Ilse (Asteroid)
From South El Monte , 249 Ilse is visible in the dawn sky, rising at 00:36 (PDT) and reaching an altitude of 55° above the eastern horizon before fading from view as dawn breaks at around 05:34.
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Name
249 Ilse
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Object type
Asteroid
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Current position
| Computed for: | 17 September 2025 |
| Right ascension: | 07h11m [1] |
| Declination: | +31°16' [1] |
| Constellation: | Gemini |
| Magnitude: | 15.89 (V) [1] |
| Distance: | 2.18 AU 18.13 lightmin [1] |
| Angular motion (speed): | 16.18 arcmin/day[1] |
| Angular motion (pos ang): | 284.7° |
Orbital elements [1]
| Semi-major axis: | 2.38 AU |
| Eccentricity: | 0.217023 |
| Inclination: | 9.62° |
| Longitude ascending node: | 334.67° |
| Argument of perihelion: | 42.30° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 337.50° |
| Absolute mag (H): | 11.42 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 1.86 AU |
| Aphelion: | 2.89 AU |
| Orbital period: | 3.67 years |