403 Cyane (Asteroid)
From South El Monte , 403 Cyane will become visible at around 20:25 (PDT), 61° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 02:19.
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Name
403 Cyane
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Object type
Asteroid
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Current position
| Computed for: | 16 April 2026 |
| Right ascension: | 08h49m [1] |
| Declination: | +06°02' [1] |
| Constellation: | Hydra |
| Magnitude: | 13.71 (V) [1] |
| Distance: | 2.07 AU 17.21 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 |