817 Annika (Asteroid)
From South El Monte , 817 Annika will become visible at around 21:14 (PDT), 38° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:25.
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Name
817 Annika
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Object type
Asteroid
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Current position
| Computed for: | 12 July 2025 |
| Right ascension: | 12h32m [1] |
| Declination: | +08°08' [1] |
| Constellation: | Virgo |
| Magnitude: | 16.50 (V) [1] |
| Distance: | 3.09 AU 25.71 lightmin [1] |
| Angular motion (speed): | 9.91 arcmin/day[1] |
| Angular motion (pos ang): | 287.5° |
Orbital elements [1]
| Semi-major axis: | 2.59 AU |
| Eccentricity: | 0.180717 |
| Inclination: | 11.34° |
| Longitude ascending node: | 125.42° |
| Argument of perihelion: | 284.80° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 103.63° |
| Absolute mag (H): | 10.70 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.12 AU |
| Aphelion: | 3.06 AU |
| Orbital period: | 4.17 years |