速度是相对于参考框架的对象位置的变化速率。它以每次距离的单位（例如每秒米（m/s））进行测量。
1 AU/d = 3,365,685.478 kn/s
1 kn/s = 2.9712e-7 AU/d
例子:
将15 Astronomical Unit per Day转换为每秒结：
15 AU/d = 50,485,282.169 kn/s
| Astronomical Unit per Day | 每秒结 |
|---|---|
| 0.01 AU/d | 33,656.855 kn/s |
| 0.1 AU/d | 336,568.548 kn/s |
| 1 AU/d | 3,365,685.478 kn/s |
| 2 AU/d | 6,731,370.956 kn/s |
| 3 AU/d | 10,097,056.434 kn/s |
| 5 AU/d | 16,828,427.39 kn/s |
| 10 AU/d | 33,656,854.779 kn/s |
| 20 AU/d | 67,313,709.558 kn/s |
| 30 AU/d | 100,970,564.337 kn/s |
| 40 AU/d | 134,627,419.117 kn/s |
| 50 AU/d | 168,284,273.896 kn/s |
| 60 AU/d | 201,941,128.675 kn/s |
| 70 AU/d | 235,597,983.454 kn/s |
| 80 AU/d | 269,254,838.233 kn/s |
| 90 AU/d | 302,911,693.012 kn/s |
| 100 AU/d | 336,568,547.791 kn/s |
| 250 AU/d | 841,421,369.479 kn/s |
| 500 AU/d | 1,682,842,738.957 kn/s |
| 750 AU/d | 2,524,264,108.436 kn/s |
| 1000 AU/d | 3,365,685,477.914 kn/s |
| 10000 AU/d | 33,656,854,779.14 kn/s |
| 100000 AU/d | 336,568,547,791.402 kn/s |
规则