259 Aletheia (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 , 259 Aletheia is not observable – it will reach its highest point in the sky during daytime and is 2° below the horizon at dawn.
Begin typing the name of a town near to you, and then select the town from the list of options
which appear below.
|
Name
259 Aletheia
|
Object type
Asteroid
|
Current position
| Computed for: | 12 March 2026 |
| Right ascension: | 21h48m [1] |
| Declination: | −19°43' [1] |
| Constellation: | Capricornus |
| Magnitude: | 13.61 (V) [1] |
| Distance: | 3.72 AU 30.95 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 3.13 AU |
| Eccentricity: | 0.129969 |
| Inclination: | 10.81° |
| Longitude ascending node: | 86.78° |
| Argument of perihelion: | 166.33° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 28.43° |
| Absolute mag (H): | 7.81 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.73 AU |
| Aphelion: | 3.54 AU |
| Orbital period: | 5.55 years |
Visibility from South El Monte
All times shown in South El Monte local time.