509 Iolanda (Asteroid)
Finder chart
Click and drag the chart above to pan around the sky, or use the mouse wheel to zoom.
Click to enlarge.
From South El Monte , 509 Iolanda is visible in the dawn sky, rising at 01:37 (PST) and reaching an altitude of 38° above the south-eastern horizon before fading from view as dawn breaks at around 05:42.
Begin typing the name of a town near to you, and then select the town from the list of options
which appear below.
|
Name
509 Iolanda
|
Object type
Asteroid
|
Current position
| Computed for: | 13 December 2025 |
| Right ascension: | 12h39m [1] |
| Declination: | −14°05' [1] |
| Constellation: | Corvus |
| Magnitude: | 14.69 (V) [1] |
| Distance: | 3.61 AU 30.02 lightmin [1] |
| Angular motion (speed): | 8.13 arcmin/day[1] |
| Angular motion (pos ang): | 278.4° |
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 South El Monte
All times shown in South El Monte local time.