121697 1999 XD73 (Asteroid)
Finder chart
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From South El Monte , 121697 1999 XD73 will become visible at around 19:24 (PDT), 23° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 32 minutes after the Sun at 21:57.
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Name
121697 1999 XD73
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Object type
Asteroid
|
Current position
| Computed for: | 09 October 2025 |
| Right ascension: | 17h23m [1] |
| Declination: | −22°44' [1] |
| Constellation: | Ophiuchus |
| Magnitude: | 21.14 (V) [1] |
| Distance: | 3.83 AU 31.84 lightmin [1] |
| Angular motion (speed): | 7.52 arcmin/day[1] |
| Angular motion (pos ang): | 279.4° |
Orbital elements [1]
| Semi-major axis: | 3.19 AU |
| Eccentricity: | 0.110941 |
| Inclination: | 5.69° |
| Longitude ascending node: | 101.36° |
| Argument of perihelion: | 359.20° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 130.45° |
| Absolute mag (H): | 14.65 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.83 AU |
| Aphelion: | 3.54 AU |
| Orbital period: | 5.69 years |
Visibility from South El Monte
All times shown in South El Monte local time.