509 Iolanda (Asteroid)
Finder chart
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From Cambridge , 509 Iolanda will become visible at around 21:13 (EDT), 30° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:04.
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|
Name
509 Iolanda
|
Object type
Asteroid
|
Current position
| Computed for: | 11 May 2025 |
| Right ascension: | 08h19m [1] |
| Declination: | +04°49' [1] |
| Constellation: | Hydra |
| Magnitude: | 14.51 (V) [1] |
| Distance: | 3.33 AU 27.69 lightmin [1] |
| Angular motion (speed): | 9.31 arcmin/day[1] |
| Angular motion (pos ang): | 283.7° |
Orbital elements [1]
| Semi-major axis: | 3.06 AU |
| Eccentricity: | 0.098020 |
| Inclination: | 15.41° |
| Longitude ascending node: | 217.47° |
| Argument of perihelion: | 155.74° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 101.86° |
| Absolute mag (H): | 8.42 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.76 AU |
| Aphelion: | 3.36 AU |
| Orbital period: | 5.36 years |
Visibility from Cambridge
All times shown in Cambridge local time.