403 Cyane (Asteroid)
Finder chart
Click and drag the chart above to pan around the sky, or use the mouse wheel to zoom.
Click to enlarge.
From South El Monte , 403 Cyane is visible in the morning sky, becoming accessible around 00:12, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 04:40, 61° above your southern horizon. It will be lost to dawn twilight around 05:33, 58° above your south-western horizon.
Begin typing the name of a town near to you, and then select the town from the list of options
which appear below.
|
Name
403 Cyane
|
Object type
Asteroid
|
Current position
| Computed for: | 30 November 2025 |
| Right ascension: | 09h26m [1] |
| Declination: | +05°19' [1] |
| Constellation: | Hydra |
| Magnitude: | 13.74 (V) [1] |
| Distance: | 2.10 AU 17.45 lightmin [1] |
| Angular motion (speed): | 17.27 arcmin/day[1] |
| Angular motion (pos ang): | 290.2° |
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 |
Visibility from South El Monte
All times shown in South El Monte local time.