540 Rosamunde (Asteroid)
From South El Monte , 540 Rosamunde is not observable – it will reach its highest point in the sky during daytime and is 12° below the horizon at dusk.
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Name
540 Rosamunde
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Object type
Asteroid
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Current position
| Computed for: | 16 September 2025 |
| Right ascension: | 11h47m [1] |
| Declination: | −00°14' [1] |
| Constellation: | Virgo |
| Magnitude: | 14.94 (V) [1] |
| Distance: | 3.02 AU 25.14 lightmin [1] |
| Angular motion (speed): | 14.36 arcmin/day[1] |
| Angular motion (pos ang): | 288.3° |
Orbital elements [1]
| Semi-major axis: | 2.22 AU |
| Eccentricity: | 0.089350 |
| Inclination: | 5.58° |
| Longitude ascending node: | 202.08° |
| Argument of perihelion: | 337.40° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 289.87° |
| Absolute mag (H): | 10.77 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.02 AU |
| Aphelion: | 2.42 AU |
| Orbital period: | 3.31 years |