947 Monterosa (Asteroid)
From South El Monte , 947 Monterosa is visible in the dawn sky, rising at 02:53 (PDT) – 3 hours and 42 minutes before the Sun – and reaching an altitude of 31° above the eastern horizon before fading from view as dawn breaks at around 05:35.
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Name
947 Monterosa
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Object type
Asteroid
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Current position
| Computed for: | 18 September 2025 |
| Right ascension: | 08h59m [1] |
| Declination: | +22°13' [1] |
| Constellation: | Cancer |
| Magnitude: | 15.45 (V) [1] |
| Distance: | 3.17 AU 26.39 lightmin [1] |
| Angular motion (speed): | 10.49 arcmin/day[1] |
| Angular motion (pos ang): | 284.5° |
Orbital elements [1]
| Semi-major axis: | 2.75 AU |
| Eccentricity: | 0.247819 |
| Inclination: | 6.70° |
| Longitude ascending node: | 48.26° |
| Argument of perihelion: | 339.43° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 8.58° |
| Absolute mag (H): | 10.04 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.07 AU |
| Aphelion: | 3.43 AU |
| Orbital period: | 4.57 years |