639 Latona (Asteroid)
From South El Monte , 639 Latona is visible in the dawn sky, rising at 00:52 (PST) and reaching an altitude of 45° above the southern horizon before fading from view as dawn breaks at around 05:41.
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Name
639 Latona
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Object type
Asteroid
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Current position
| Computed for: | 12 December 2025 |
| Right ascension: | 12h04m [1] |
| Declination: | −08°56' [1] |
| Constellation: | Virgo |
| Magnitude: | 14.56 (V) [1] |
| Distance: | 3.45 AU 28.72 lightmin [1] |
| Angular motion (speed): | 8.44 arcmin/day[1] |
| Angular motion (pos ang): | 294.7° |
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 |