1138 Attica (Asteroid)

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From South El Monte , 1138 Attica is visible in the dawn sky, rising at 01:47 (PDT) and reaching an altitude of 50° above the south-eastern horizon before fading from view as dawn breaks at around 06:05.

Name 1138 Attica
Object type Asteroid
Current position
Computed for:28 October 2025
Right ascension:09h46m [1]
Declination:+07°13' [1]
Constellation:Leo
Magnitude:17.65 (V) [1]
Distance:3.40 AU
28.30 lightmin [1]
Angular motion (speed):9.09 arcmin/day[1]
Angular motion (pos ang):301.2°
Orbital elements [1]
Semi-major axis:3.15 AU
Eccentricity:0.078464
Inclination:13.98°
Longitude ascending node:283.39°
Argument of perihelion:106.42°
Epoch of elements:25 January 2025
Mean Anomaly at epoch:42.64°
Absolute mag (H):11.58 [1]
Slope parameter (G):0.15 [1]
Derived quantities
Perihelion:2.90 AU
Aphelion:3.40 AU
Orbital period:5.59 years

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