85 Io (Asteroid)

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From South El Monte , 85 Io is visible in the dawn sky, rising at 00:19 (PDT) and reaching an altitude of 50° above the eastern horizon before fading from view as dawn breaks at around 04:32.

Name 85 Io
Object type Asteroid
Current position
Computed for:04 July 2025
Right ascension:00h59m [1]
Declination:+13°42' [1]
Constellation:Pisces
Magnitude:12.42 (V) [1]
Distance:2.04 AU
16.97 lightmin [1]
Angular motion (speed):18.31 arcmin/day[1]
Angular motion (pos ang):262.6°
Orbital elements [1]
Semi-major axis:2.65 AU
Eccentricity:0.193266
Inclination:11.96°
Longitude ascending node:203.05°
Argument of perihelion:122.90°
Epoch of elements:25 January 2025
Mean Anomaly at epoch:339.85°
Absolute mag (H):7.95 [1]
Slope parameter (G):0.15 [1]
Derived quantities
Perihelion:2.14 AU
Aphelion:3.17 AU
Orbital period:4.32 years

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