75441 1999 XB129 (Asteroid)
From South El Monte , 75441 1999 XB129 is visible in the evening sky, becoming accessible around 18:03 (PST), 73° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 18:36, 75° above your southern horizon. It will continue to be observable until around 23:40, when it sinks below 21° above your western horizon.
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Name
75441 1999 XB129
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Object type
Asteroid
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Current position
| Computed for: | 09 January 2026 |
| Right ascension: | 02h02m [1] |
| Declination: | +19°18' [1] |
| Constellation: | Aries |
| Magnitude: | 19.23 (V) [1] |
| Distance: | 1.96 AU 16.34 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.21 AU |
| Eccentricity: | 0.134233 |
| Inclination: | 6.24° |
| Longitude ascending node: | 2.41° |
| Argument of perihelion: | 271.03° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 120.43° |
| Absolute mag (H): | 14.74 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 1.91 AU |
| Aphelion: | 2.50 AU |
| Orbital period: | 3.28 years |