190 Ismene (Asteroid)

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From South El Monte , 190 Ismene is visible in the evening sky, becoming accessible around 21:17 (PDT), 32° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 23:17, 40° above your southern horizon. It will continue to be observable until around 02:33, when it sinks below 21° above your south-western horizon.

Name 190 Ismene
Object type Asteroid
Current position
Computed for:05 July 2025
Right ascension:17h22m [1]
Declination:−15°23' [1]
Constellation:Serpens Cauda
Magnitude:14.53 (V) [1]
Distance:3.72 AU
30.91 lightmin [1]
Angular motion (speed):6.69 arcmin/day[1]
Angular motion (pos ang):273.1°
Orbital elements [1]
Semi-major axis:3.99 AU
Eccentricity:0.168343
Inclination:6.17°
Longitude ascending node:175.42°
Argument of perihelion:271.34°
Epoch of elements:25 January 2025
Mean Anomaly at epoch:158.63°
Absolute mag (H):7.91 [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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