| Asteroids discovered: 2 | ||
|---|---|---|
| 29 October 1996 | ||
| 8 November 1997 | ||
| Supernovae discovered: 13 | ||
| 28 July 1996 | ||
| 17 August 1996 | ||
| 15 December 1996 | ||
| 16 December 1996 | ||
| 2 February 1997 | ||
| 20 August 1997 | ||
| 3 November 1997 | ||
| 3 November 1997 | ||
| 24 December 1997 | ||
| 24 December 1997 | ||
| 6 August 2000 | ||
| 23 August 2000 | ||
is a Japanese amateur astronomer who operates from his private Aoki Astronomical Observatory at Toyama, Toyama Prefecture, Japan.
His main interest lies in supernovae of which he has discovered a total of 13, such a SN 1999eu as well as SN 2000db and SN 2000di. In 2016, he discovered the supernova SN 2016C in NGC 5247. In the course of his search, he has also discovered two asteroids during 1996–1997. He has named the asteroid 58627 Rieko in honour of his wife.