259 Aletheia (Asteroid)
From South El Monte , 259 Aletheia is not readily observable since it is very close to the Sun, at a separation of only 13° from it.
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Name
259 Aletheia
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Object type
Asteroid
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Current position
| Computed for: | 13 February 2026 |
| Right ascension: | 21h03m [1] |
| Declination: | −22°21' [1] |
| Constellation: | Capricornus |
| Magnitude: | 13.41 (V) [1] |
| Distance: | 3.82 AU 31.75 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 |