403 Cyane (Asteroid)
From South El Monte , 403 Cyane is visible in the dawn sky, rising at 00:45 (PDT) and reaching an altitude of 61° above the south-eastern horizon before fading from view as dawn breaks at around 06:08.
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Name
403 Cyane
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Object type
Asteroid
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Current position
| Computed for: | 31 October 2025 |
| Right ascension: | 09h03m [1] |
| Declination: | +09°28' [1] |
| Constellation: | Cancer |
| Magnitude: | 14.14 (V) [1] |
| Distance: | 2.49 AU 20.71 lightmin [1] |
| Angular motion (speed): | 14.58 arcmin/day[1] |
| Angular motion (pos ang): | 290.3° |
Orbital elements [1]
| Semi-major axis: | 2.81 AU |
| Eccentricity: | 0.098164 |
| Inclination: | 9.16° |
| Longitude ascending node: | 244.34° |
| Argument of perihelion: | 253.75° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 280.91° |
| Absolute mag (H): | 9.04 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.53 AU |
| Aphelion: | 3.09 AU |
| Orbital period: | 4.71 years |