15689 1981 UP25 (Asteroid)
From South El Monte , 15689 1981 UP25 is visible in the evening sky, becoming accessible around 17:48 (PST), 48° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 19:13, 53° above your southern horizon. It will continue to be observable until around 23:19, when it sinks below 21° above your western horizon.
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Name
15689 1981 UP25
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Object type
Asteroid
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Current position
| Computed for: | 18 November 2025 |
| Right ascension: | 23h14m [1] |
| Declination: | −02°13' [1] |
| Constellation: | Pisces |
| Magnitude: | 18.62 (V) [1] |
| Distance: | 2.49 AU 20.70 lightmin [1] |
| Angular motion (speed): | 11.96 arcmin/day[1] |
| Angular motion (pos ang): | 254.0° |
Orbital elements [1]
| Semi-major axis: | 2.54 AU |
| Eccentricity: | 0.198276 |
| Inclination: | 7.75° |
| Longitude ascending node: | 201.12° |
| Argument of perihelion: | 1.11° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 84.31° |
| Absolute mag (H): | 13.32 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.04 AU |
| Aphelion: | 3.04 AU |
| Orbital period: | 4.05 years |