1647 Menelaus (Asteroid)
From South El Monte , 1647 Menelaus is visible in the evening sky, becoming accessible around 20:31 (PDT), 58° above your southern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:08, 59° above your southern horizon. It will continue to be observable until around 01:31, when it sinks below 21° above your western horizon.
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Name
1647 Menelaus
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Object type
Asteroid
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Current position
| Computed for: | 22 April 2026 |
| Right ascension: | 10h20m [1] |
| Declination: | +03°37' [1] |
| Constellation: | Sextans |
| Magnitude: | 17.87 (V) [1] |
| Distance: | 4.46 AU 37.07 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 5.20 AU |
| Eccentricity: | 0.023187 |
| Inclination: | 5.65° |
| Longitude ascending node: | 240.29° |
| Argument of perihelion: | 299.02° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 333.79° |
| Absolute mag (H): | 10.47 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 5.08 AU |
| Aphelion: | 5.32 AU |
| Orbital period: | 11.86 years |