817 Annika (Asteroid)
From Fairfield , 817 Annika is visible in the evening sky, becoming accessible around 21:17 (EDT), 62° above your southern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:36, 63° above your southern horizon. It will continue to be observable until around 02:28, when it sinks below 21° above your western horizon.
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Name
817 Annika
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Object type
Asteroid
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Current position
| Computed for: | 12 May 2025 |
| Right ascension: | 12h07m [1] |
| Declination: | +14°09' [1] |
| Constellation: | Coma Berenices |
| Magnitude: | 15.68 (V) [1] |
| Distance: | 2.24 AU 18.67 lightmin [1] |
| Angular motion (speed): | 14.23 arcmin/day[1] |
| Angular motion (pos ang): | 286.2° |
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 |