403 Cyane (Asteroid)
From South El Monte , 403 Cyane is visible in the evening sky, becoming accessible around 18:47 (PST), 35° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:58, 59° above your southern horizon. It will continue to be observable until around 02:21, when it sinks below 21° above your western horizon.
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Name
403 Cyane
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Object type
Asteroid
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Current position
| Computed for: | 01 March 2026 |
| Right ascension: | 08h46m [1] |
| Declination: | +03°19' [1] |
| Constellation: | Hydra |
| Magnitude: | 12.82 (V) [1] |
| Distance: | 1.63 AU 13.58 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 |