2019 YS is a very small asteroid whose orbit crosses the orbit of Earth. NASA JPL has classified 2019 YS as a "Near Earth Asteroid" due to its orbit's proximity to Earth, but it is not considered potentially hazardous because computer simulations have not indicated any imminent likelihood of future collision.
2019 YS orbits the sun every 431 days (1.18 years), coming as close as 0.87 AU and reaching as far as 1.37 AU from the sun. Based on its brightness and the way it reflects light, 2019 YS is probably between 0.001 to 0.004 kilometers in diameter, making it a small to average asteroid, very roughly comparable in size to a school bus or smaller.
2019 YS's orbit is 0.00 AU from Earth's orbit at its closest point. This means that its orbit is very close to Earth's orbit.
2019 YS has 8 close approaches predicted in the coming decades:
| Date | Distance from Earth (km) | Velocity (km/s) |
|---|---|---|
| Dec. 18, 2019 | 65,271 | 7.168 |
| July 12, 2025 | 17,028,543 | 9.619 |
| Dec. 29, 2052 | 27,768,767 | 11.905 |
| July 26, 2058 | 6,153,242 | 5.092 |
| Dec. 25, 2065 | 18,148,068 | 9.945 |
| Nov. 12, 2097 | 15,524,781 | 4.781 |
| July 12, 2103 | 21,452,931 | 10.471 |
| Dec. 16, 2110 | 2,826,708 | 5.734 |
NASA Sentry has assessed impact risk for 5 very close approach scenarios. Here are the top scenarios ordered by probability of impact:
| Date | Probability of Impact (%) | Impact Energy (Mt) |
|---|---|---|
| Dec. 20, 2116 | 0.00001 | 0.0001262 |
| Dec. 12, 2107 | 0.00001 | 0.0001259 |
| Dec. 16, 2108 | 0.00000 | 0.0001258 |
| Dec. 20, 2116 | 0.00000 | 0.0001271 |
| Dec. 12, 2101 | 0.00000 | 0.0001259 |
2019 YS's orbit is determined by observations dating back to Dec. 19, 2019. It was last officially observed on Dec. 20, 2019. The IAU Minor Planet Center records 22 observations used to determine its orbit.
2019 YS can be reached with a journey of 386 days. This trajectory would require a delta-v of 6.741 km/s. To put this into perspective, the delta-v to launch a rocket to Low-Earth Orbit is 9.7 km/s. There are 190,868 potential trajectories and launch windows to this asteroid.
See more at the NHATS Mission Trajectories table for 2019 YS.
The position of 2019 YS is indicated by a ◯ pink circle. Note that the object may not be in your current field of view. Use the controls below to adjust position, location, and time.