1139 Atami (Asteroid)
From South El Monte , 1139 Atami is visible in the morning sky, becoming accessible around 02:21, when it reaches an altitude of 21° above your south-eastern horizon. It will then reach its highest point in the sky at 05:28, 38° above your southern horizon. It will be lost to dawn twilight around 05:48, 38° above your southern horizon.
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Name
1139 Atami
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Object type
Asteroid
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Current position
| Computed for: | 24 March 2026 |
| Right ascension: | 16h44m [1] |
| Declination: | −17°29' [1] |
| Constellation: | Ophiuchus |
| Magnitude: | 16.93 (V) [1] |
| Distance: | 1.88 AU 15.68 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 1.95 AU |
| Eccentricity: | 0.255660 |
| Inclination: | 13.09° |
| Longitude ascending node: | 213.29° |
| Argument of perihelion: | 206.73° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 118.66° |
| Absolute mag (H): | 12.55 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 1.45 AU |
| Aphelion: | 2.45 AU |
| Orbital period: | 2.72 years |