306288 2011 SM28 (Asteroid)
From South El Monte , 306288 2011 SM28 is visible in the morning sky, becoming accessible around 23:50, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 04:34, 67° above your southern horizon. It will be lost to dawn twilight around 05:44, 62° above your south-western horizon.
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Name
306288 2011 SM28
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Object type
Asteroid
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Current position
| Computed for: | 16 December 2025 |
| Right ascension: | 10h24m [1] |
| Declination: | +11°22' [1] |
| Constellation: | Leo |
| Magnitude: | 21.95 (V) [1] |
| Distance: | 2.32 AU 19.26 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.19 AU |
| Eccentricity: | 0.296320 |
| Inclination: | 8.68° |
| Longitude ascending node: | 321.58° |
| Argument of perihelion: | 5.11° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 150.98° |
| Absolute mag (H): | 16.91 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 1.54 AU |
| Aphelion: | 2.84 AU |
| Orbital period: | 3.25 years |