| see |
is a Japanese amateur astronomer and a discoverer of minor planets and comets.
He is credited by the Minor Planet Center with the discovery of 45 minor planets during 1988–1991, all in collaboration with astronomer Hiroshi Mori. On 5 January 1991, he has also discovered Comet Arai, .[1]
The main-belt asteroid 21082 Araimasaru, discovered by Tsutomu Hioki and Shuji Hayakawa at Okutama in 1991, was named in his honor. Naming citation was published on 6 January 2003 .
| important; height: 486px; | |||
|---|---|---|---|
| 10 March 1988 |   | ||
| 5 December 1988 |   | ||
| 5 February 1989 |   | ||
| 2 November 1989 |   | ||
| 6 November 1988 |   | ||
| 3 November 1988 |   | ||
| 29 November 1988 |   | ||
| 5 February 1991 |   | ||
| 21 January 1990 |   | ||
| 5 December 1988 |   | ||
| 14 March 1991 |   | ||
| 10 February 1988 |   | ||
| 2 February 1989 |   | ||
| 10 February 1988 |   | ||
| 10 February 1988 |   | ||
| 2 February 1989 |   | ||
| 12 March 1988 |   | ||
| 2 December 1988 |   |
| important; height: 486px; | |||
|---|---|---|---|
| 21 January 1990 |   | ||
| 19 December 1990 |   | ||
| 9 January 1991 |   | ||
| 5 February 1989 |   | ||
| 21 January 1990 |   | ||
| 6 November 1988 |   | ||
| 10 November 1988 |   | ||
| 5 February 1991 |   | ||
| 9 January 1991 |   | ||
| 12 February 1991 |   | ||
| 8 March 1989 |   | ||
| 12 February 1991 |   | ||
| 7 December 1988 |   | ||
| 18 March 1988 |   | ||
| 5 February 1991 |   | ||
| 6 November 1988 |   | ||
| 10 November 1988 |   | ||
| 17 February 1991 |   |
| important; height: 272px; | ||
|---|---|---|
| 2 November 1989 |   | |
| 5 February 1991 |   | |
| 3 November 1988 |   | |
| 5 February 1991 |   | |
| 12 November 1990 |   | |
| 4 January 1989 |   | |
| 2 November 1989 |   | |
| 13 February 1988 |   | |
| 1 March 1989 |   | |
| Co-discovery made with: H. Mori |