639 Latona (Asteroid)
From Cambridge , 639 Latona will become visible at around 21:13 (EDT), 34° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:25.
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Name
639 Latona
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Object type
Asteroid
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Current position
| Computed for: | 11 May 2025 |
| Right ascension: | 07h56m [1] |
| Declination: | +16°01' [1] |
| Constellation: | Cancer |
| Magnitude: | 14.56 (V) [1] |
| Distance: | 3.52 AU 29.28 lightmin [1] |
| Angular motion (speed): | 8.64 arcmin/day[1] |
| Angular motion (pos ang): | 289.8° |
Orbital elements [1]
| Semi-major axis: | 3.02 AU |
| Eccentricity: | 0.110219 |
| Inclination: | 8.57° |
| Longitude ascending node: | 279.66° |
| Argument of perihelion: | 70.08° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 117.59° |
| Absolute mag (H): | 8.36 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.68 AU |
| Aphelion: | 3.35 AU |
| Orbital period: | 5.24 years |