403 Cyane (Asteroid)

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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.

Name 403 Cyane
Object type Asteroid
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

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