403 Cyane (Asteroid)

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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.

Name 403 Cyane
Object type Asteroid
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

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