639 Latona (Asteroid)
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From Cambridge , 639 Latona is visible in the evening sky, becoming accessible around 20:35 (EDT), 29° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:46, 36° above your southern horizon. It will continue to be observable until around 01:52, when it sinks below 21° above your south-western horizon.
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Name
639 Latona
|
Object type
Asteroid
|
Current position
| Computed for: | 15 April 2026 |
| Right ascension: | 11h39m [1] |
| Declination: | −10°42' [1] |
| Constellation: | Crater |
| Magnitude: | 13.43 (V) [1] |
| Distance: | 2.41 AU 20.02 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 3.01 AU |
| Eccentricity: | 0.110681 |
| Inclination: | 8.57° |
| Longitude ascending node: | 279.66° |
| Argument of perihelion: | 69.80° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 174.39° |
| Absolute mag (H): | 8.35 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.68 AU |
| Aphelion: | 3.35 AU |
| Orbital period: | 5.23 years |
Visibility from Cambridge
All times shown in Cambridge local time.