190 Ismene (Asteroid)

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From South El Monte , 190 Ismene is visible in the dawn sky, rising at 00:01 (PDT) and reaching an altitude of 41° above the southern horizon before fading from view as dawn breaks at around 04:36.

Name 190 Ismene
Object type Asteroid
Current position
Computed for:20 May 2026
Right ascension:20h29m [1]
Declination:−12°47' [1]
Constellation:Capricornus
Magnitude:14.95 (V) [1]
Distance:4.08 AU
33.95 lightmin [1]
Orbital elements [1]
Semi-major axis:3.99 AU
Eccentricity:0.168267
Inclination:6.17°
Longitude ascending node:175.40°
Argument of perihelion:271.45°
Epoch of elements:21 Nov 2025
Mean Anomaly at epoch:195.55°
Absolute mag (H):7.88 [1]
Slope parameter (G):0.15 [1]
Derived quantities
Perihelion:3.32 AU
Aphelion:4.67 AU
Orbital period:7.98 years

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