249 Ilse (Asteroid)
From South El Monte , 249 Ilse is visible in the dawn sky, rising at 02:29 (PDT) – 3 hours and 19 minutes before the Sun – and reaching an altitude of 22° above the eastern horizon before fading from view as dawn breaks at around 04:38.
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Name
249 Ilse
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Object type
Asteroid
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Current position
| Computed for: | 14 July 2025 |
| Right ascension: | 04h40m [1] |
| Declination: | +29°14' [1] |
| Constellation: | Taurus |
| Magnitude: | 15.91 (V) [1] |
| Distance: | 2.60 AU 21.62 lightmin [1] |
| Angular motion (speed): | 16.10 arcmin/day[1] |
| Angular motion (pos ang): | 262.5° |
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 |