1139 Atami (Asteroid)

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From South El Monte , 1139 Atami is not observable – it will reach its highest point in the sky during daytime and is no higher than 3° above the horizon at dusk.

Name 1139 Atami
Object type Asteroid
Current position
Computed for:03 July 2025
Right ascension:09h13m [1]
Declination:+07°48' [1]
Constellation:Cancer
Magnitude:16.97 (V) [1]
Distance:2.58 AU
21.42 lightmin [1]
Angular motion (speed):17.04 arcmin/day[1]
Angular motion (pos ang):283.7°
Orbital elements [1]
Semi-major axis:1.95 AU
Eccentricity:0.255769
Inclination:13.09°
Longitude ascending node:213.29°
Argument of perihelion:206.76°
Epoch of elements:25 January 2025
Mean Anomaly at epoch:9.82°
Absolute mag (H):12.57 [1]
Slope parameter (G):0.15 [1]
Derived quantities
Perihelion:1.45 AU
Aphelion:2.45 AU
Orbital period:2.72 years

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