140 Siwa (Asteroid)
From South El Monte , 140 Siwa is visible in the dawn sky, rising at 01:31 (PST) and reaching an altitude of 44° above the south-eastern horizon before fading from view as dawn breaks at around 05:13.
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Name
140 Siwa
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Object type
Asteroid
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Current position
| Computed for: | 06 November 2025 |
| Right ascension: | 11h07m [1] |
| Declination: | +07°42' [1] |
| Constellation: | Leo |
| Magnitude: | 14.68 (V) [1] |
| Distance: | 3.64 AU 30.25 lightmin [1] |
| Angular motion (speed): | 8.08 arcmin/day[1] |
| Angular motion (pos ang): | 291.0° |
Orbital elements [1]
| Semi-major axis: | 2.73 AU |
| Eccentricity: | 0.216803 |
| Inclination: | 3.19° |
| Longitude ascending node: | 107.07° |
| Argument of perihelion: | 197.17° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 155.83° |
| Absolute mag (H): | 8.48 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.14 AU |
| Aphelion: | 3.33 AU |
| Orbital period: | 4.52 years |