666 Desdemona (Asteroid)
From South El Monte , 666 Desdemona is visible in the morning sky, becoming accessible around 23:22, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 03:43, 58° above your southern horizon. It will be lost to dawn twilight around 04:40, 56° above your south-western horizon.
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Name
666 Desdemona
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Object type
Asteroid
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Current position
| Computed for: | 16 July 2025 |
| Right ascension: | 22h29m [1] |
| Declination: | +02°52' [1] |
| Constellation: | Pegasus |
| Magnitude: | 14.26 (V) [1] |
| Distance: | 1.44 AU 11.99 lightmin [1] |
| Angular motion (speed): | 28.69 arcmin/day[1] |
| Angular motion (pos ang): | 253.0° |
Orbital elements [1]
| Semi-major axis: | 2.59 AU |
| Eccentricity: | 0.236426 |
| Inclination: | 7.58° |
| Longitude ascending node: | 215.29° |
| Argument of perihelion: | 174.10° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 274.26° |
| Absolute mag (H): | 10.72 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 1.98 AU |
| Aphelion: | 3.21 AU |
| Orbital period: | 4.18 years |