403 Cyane (Asteroid)
From South El Monte , 403 Cyane is visible in the morning sky, becoming accessible around 22:22, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 02:41, 58° above your southern horizon. It will be lost to dawn twilight around 05:51, 35° above your south-western horizon.
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Name
403 Cyane
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Object type
Asteroid
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Current position
| Computed for: | 31 December 2025 |
| Right ascension: | 09h29m [1] |
| Declination: | +02°11' [1] |
| Constellation: | Hydra |
| Magnitude: | 13.15 (V) [1] |
| Distance: | 1.75 AU 14.59 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.81 AU |
| Eccentricity: | 0.097851 |
| Inclination: | 9.15° |
| Longitude ascending node: | 244.32° |
| Argument of perihelion: | 253.22° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 344.11° |
| Absolute mag (H): | 9.03 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.54 AU |
| Aphelion: | 3.09 AU |
| Orbital period: | 4.71 years |