59509 1999 JR13 (Asteroid)
From South El Monte , 59509 1999 JR13 will become visible at around 17:49 (PST), 44° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 23:06.
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Name
59509 1999 JR13
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Object type
Asteroid
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Current position
| Computed for: | 19 December 2025 |
| Right ascension: | 23h39m [1] |
| Declination: | −11°45' [1] |
| Constellation: | Aquarius |
| Magnitude: | 20.75 (V) [1] |
| Distance: | 2.64 AU 21.92 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.60 AU |
| Eccentricity: | 0.114284 |
| Inclination: | 14.08° |
| Longitude ascending node: | 48.71° |
| Argument of perihelion: | 206.64° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 96.97° |
| Absolute mag (H): | 15.45 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.31 AU |
| Aphelion: | 2.90 AU |
| Orbital period: | 4.20 years |