259 Aletheia (Asteroid)
From South El Monte , 259 Aletheia will become visible at around 20:42 (PDT), 31° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:32.
|
Name
259 Aletheia
|
Object type
Asteroid
|
Current position
| Computed for: | 15 August 2025 |
| Right ascension: | 16h18m [1] |
| Declination: | −21°34' [1] |
| Constellation: | Scorpius |
| Magnitude: | 12.86 (V) [1] |
| Distance: | 2.31 AU 19.18 lightmin [1] |
| Angular motion (speed): | 15.61 arcmin/day[1] |
| Angular motion (pos ang): | 291.3° |
Orbital elements [1]
| Semi-major axis: | 3.13 AU |
| Eccentricity: | 0.129832 |
| Inclination: | 10.81° |
| Longitude ascending node: | 86.78° |
| Argument of perihelion: | 166.40° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 335.06° |
| Absolute mag (H): | 7.83 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.73 AU |
| Aphelion: | 3.54 AU |
| Orbital period: | 5.55 years |