75441 1999 XB129 (Asteroid)
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From South El Monte , 75441 1999 XB129 is visible in the evening sky, becoming accessible around 17:53 (PST), 23° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:54, 77° above your southern horizon. It will continue to be observable until around 04:03, when it sinks below 21° above your western horizon.
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Name
75441 1999 XB129
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Object type
Asteroid
|
Current position
| Computed for: | 09 November 2025 |
| Right ascension: | 02h20m [1] |
| Declination: | +21°23' [1] |
| Constellation: | Aries |
| Magnitude: | 17.72 (V) [1] |
| Distance: | 1.39 AU 11.54 lightmin [1] |
| Angular motion (speed): | 26.56 arcmin/day[1] |
| Angular motion (pos ang): | 246.1° |
Orbital elements [1]
| Semi-major axis: | 2.21 AU |
| Eccentricity: | 0.134349 |
| Inclination: | 6.24° |
| Longitude ascending node: | 2.41° |
| Argument of perihelion: | 271.06° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 30.18° |
| Absolute mag (H): | 14.77 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 1.91 AU |
| Aphelion: | 2.50 AU |
| Orbital period: | 3.28 years |
Visibility from South El Monte
All times shown in South El Monte local time.