2017 SX17
Approaches in 2017

Date/Time (UT)
Nominal Distance (AU, LD and km)
Body
1 October 2017 – 22:29
0.001737 AU (0.676 LD; 259,900 km)
Moon
2 October 2017 – 10:20
0.000582 AU (0.226 LD; 87,100 km)
Earth

Question: Did SX17 approach the Moon or Earth closer in 2017?
Answer: The 2017 SX17 distance to the Earth was 0.000582 AU (0.226 LD), and to the Moon was 0.001737 (0.676 LD).