3540 Protesilaos (Asteroid)
From Cambridge , 3540 Protesilaos will become visible at around 21:10 (EDT), 41° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 02:49.
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Name
3540 Protesilaos
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Object type
Asteroid
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Current position
| Computed for: | 09 May 2024 |
| Right ascension: | 07h05m [1] |
| Declination: | +43°43' [1] |
| Constellation: | Auriga |
| Magnitude: | 17.03 (V) [1] |
| Distance: | 5.20 AU 43.25 lightmin [1] |
| Angular motion (speed): | 5.36 arcmin/day[1] |
| Angular motion (pos ang): | 271.8° |
Orbital elements [1]
| Semi-major axis: | 5.28 AU |
| Eccentricity: | 0.117895 |
| Inclination: | 23.28° |
| Longitude ascending node: | 26.43° |
| Argument of perihelion: | 116.24° |
| Epoch of elements: | 31 March 2024 |
| Mean Anomaly at epoch: | 333.91° |
| Absolute mag (H): | 9.42 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 4.66 AU |
| Aphelion: | 5.90 AU |
| Orbital period: | 12.14 years |