Asteroids discovered on June 21
11 named asteroids.
| # | Asteroid | Discovered | Discoverer |
|---|---|---|---|
| 1 | (601) Nerthus | 1906-06-21 | M. F. Wolf |
| 2 | (1886) Lowell | 1949-06-21 | H. L. Giclas |
| 3 | (8160) Petererwin | 1990-06-21 | H. E. Holt |
| 4 | (19204) Joshuatree | 1992-06-21 | J. E. Mueller |
| 5 | (22366) Flettner | 1993-06-21 | Spacewatch |
| 6 | (14942) Stevebaker | 1995-06-21 | AMOS |
| 7 | (18818) Yasuhiko | 1999-06-21 | T. Okuni |
| 8 | (30439) Moe | 2000-06-21 | J. Broughton |
| 9 | (124143) Joseluiscorral | 2001-06-21 | Calar Alto |
| 10 | (174567) Varda | 2003-06-21 | J. A. Larsen |
| 11 | (120324) Falusandras | 2004-06-21 | K. Sarneczky |