509 Iolanda (Asteroid)
From South El Monte , 509 Iolanda is not observable – it will reach its highest point in the sky during daytime and is 10° below the horizon at dawn.
Name
509 Iolanda
|
Object type
Asteroid
|
Current position
Computed for: | 14 September 2025 |
Right ascension: | 10h54m [1] |
Declination: | −03°21' [1] |
Constellation: | Leo |
Magnitude: | 14.51 (V) [1] |
Distance: | 4.30 AU 35.75 lightmin [1] |
Angular motion (speed): | 7.21 arcmin/day[1] |
Angular motion (pos ang): | 283.4° |
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 |