101280 1998 SD117 (Asteroid)
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From South El Monte , 101280 1998 SD117 is visible in the evening sky, becoming accessible around 21:11 (PDT), 27° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:47, 31° above your southern horizon. It will continue to be observable until around 01:16, when it sinks below 21° above your south-western horizon.
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Name
101280 1998 SD117
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Object type
Asteroid
|
Current position
| Computed for: | 18 July 2025 |
| Right ascension: | 17h44m [1] |
| Declination: | −24°00' [1] |
| Constellation: | Sagittarius |
| Magnitude: | 19.06 (V) [1] |
| Distance: | 1.23 AU 10.23 lightmin [1] |
| Angular motion (speed): | 30.91 arcmin/day[1] |
| Angular motion (pos ang): | 267.5° |
Orbital elements [1]
| Semi-major axis: | 2.28 AU |
| Eccentricity: | 0.154653 |
| Inclination: | 4.00° |
| Longitude ascending node: | 284.54° |
| Argument of perihelion: | 76.57° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 245.70° |
| Absolute mag (H): | 16.16 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 1.93 AU |
| Aphelion: | 2.63 AU |
| Orbital period: | 3.44 years |
Visibility from South El Monte
All times shown in South El Monte local time.