17 Thetis (Asteroid)
From South El Monte , 17 Thetis is visible in the morning sky, becoming accessible around 23:10, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 04:11, 74° above your southern horizon. It will be lost to dawn twilight around 05:10, 69° above your south-western horizon.
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Name
17 Thetis
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Object type
Asteroid
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Current position
| Computed for: | 03 November 2025 |
| Right ascension: | 07h11m [1] |
| Declination: | +18°08' [1] |
| Constellation: | Gemini |
| Magnitude: | 12.87 (V) [1] |
| Distance: | 2.24 AU 18.65 lightmin [1] |
| Angular motion (speed): | 14.05 arcmin/day[1] |
| Angular motion (pos ang): | 270.9° |
Orbital elements [1]
| Semi-major axis: | 2.47 AU |
| Eccentricity: | 0.132109 |
| Inclination: | 5.59° |
| Longitude ascending node: | 125.53° |
| Argument of perihelion: | 135.72° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 116.80° |
| Absolute mag (H): | 7.92 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.14 AU |
| Aphelion: | 2.80 AU |
| Orbital period: | 3.88 years |