138 Tolosa (Asteroid)
From South El Monte , 138 Tolosa is visible in the morning sky, becoming accessible around 21:43, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 02:54, 78° above your southern horizon. It will be lost to dawn twilight around 05:43, 51° above your western horizon.
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Name
138 Tolosa
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Object type
Asteroid
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Current position
| Computed for: | 15 December 2025 |
| Right ascension: | 08h39m [1] |
| Declination: | +22°19' [1] |
| Constellation: | Cancer |
| Magnitude: | 13.57 (V) [1] |
| Distance: | 2.00 AU 16.67 lightmin [1] |
| Angular motion (speed): | 15.44 arcmin/day[1] |
| Angular motion (pos ang): | 284.1° |
Orbital elements [1]
| Semi-major axis: | 2.45 AU |
| Eccentricity: | 0.161695 |
| Inclination: | 3.20° |
| Longitude ascending node: | 54.72° |
| Argument of perihelion: | 260.74° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 65.61° |
| Absolute mag (H): | 9.03 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.05 AU |
| Aphelion: | 2.85 AU |
| Orbital period: | 3.83 years |