99380 2001 YB87 (Asteroid)
From South El Monte , 99380 2001 YB87 is visible in the dawn sky, rising at 01:27 (PDT) and reaching an altitude of 51° above the eastern horizon before fading from view as dawn breaks at around 05:43.
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Name
99380 2001 YB87
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Object type
Asteroid
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Current position
| Computed for: | 29 September 2025 |
| Right ascension: | 08h11m [1] |
| Declination: | +20°33' [1] |
| Constellation: | Cancer |
| Magnitude: | 20.22 (V) [1] |
| Distance: | 2.38 AU 19.82 lightmin [1] |
| Angular motion (speed): | 14.86 arcmin/day[1] |
| Angular motion (pos ang): | 274.4° |
Orbital elements [1]
| Semi-major axis: | 2.27 AU |
| Eccentricity: | 0.109013 |
| Inclination: | 7.29° |
| Longitude ascending node: | 91.11° |
| Argument of perihelion: | 292.02° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 349.55° |
| Absolute mag (H): | 15.50 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.02 AU |
| Aphelion: | 2.51 AU |
| Orbital period: | 3.41 years |