128871 2004 SG36 (Asteroid)
From South El Monte , 128871 2004 SG36 will become visible at around 19:16 (PDT), 22° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 22:29.
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Name
128871 2004 SG36
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Object type
Asteroid
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Current position
| Computed for: | 15 October 2025 |
| Right ascension: | 18h48m [1] |
| Declination: | −31°03' [1] |
| Constellation: | Sagittarius |
| Magnitude: | 21.47 (V) [1] |
| Distance: | 3.47 AU 28.84 lightmin [1] |
| Angular motion (speed): | 8.00 arcmin/day[1] |
| Angular motion (pos ang): | 270.6° |
Orbital elements [1]
| Semi-major axis: | 3.14 AU |
| Eccentricity: | 0.171169 |
| Inclination: | 8.61° |
| Longitude ascending node: | 45.58° |
| Argument of perihelion: | 20.63° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 201.36° |
| Absolute mag (H): | 15.21 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.61 AU |
| Aphelion: | 3.68 AU |
| Orbital period: | 5.58 years |