Asteroids discovered on July 20
44 named asteroids.
| # | Asteroid | Discovered | Discoverer |
|---|---|---|---|
| 1 | (11507) Danpascu | 1990-07-20 | E. F. Helin |
| 2 | (15252) Yoshiken | 1990-07-20 | T. Seki |
| 3 | (21040) Guntherreitz | 1990-07-20 | E. F. Helin |
| 4 | (6977) Jaucourt | 1993-07-20 | E. W. Elst |
| 5 | (7478) Hasse | 1993-07-20 | E. W. Elst |
| 6 | (8096) Emilezola | 1993-07-20 | E. W. Elst |
| 7 | (8190) Bouguer | 1993-07-20 | E. W. Elst |
| 8 | (8191) Mersenne | 1993-07-20 | E. W. Elst |
| 9 | (9376) Thionville | 1993-07-20 | E. W. Elst |
| 10 | (10136) Gauguin | 1993-07-20 | E. W. Elst |
| 11 | (11571) Daens | 1993-07-20 | E. W. Elst |
| 12 | (11943) Davidhartley | 1993-07-20 | E. W. Elst |
| 13 | (11944) Shaftesbury | 1993-07-20 | E. W. Elst |
| 14 | (12352) Jepejacobsen | 1993-07-20 | E. W. Elst |
| 15 | (12353) Marquez | 1993-07-20 | E. W. Elst |
| 16 | (12755) Balmer | 1993-07-20 | E. W. Elst |
| 17 | (13580) de Saussure | 1993-07-20 | E. W. Elst |
| 18 | (14003) Waynegilmore | 1993-07-20 | E. W. Elst |
| 19 | (14467) Vranckx | 1993-07-20 | E. W. Elst |
| 20 | (20058) Bundalian | 1993-07-20 | E. W. Elst |
| 21 | (20059) Debswoboda | 1993-07-20 | E. W. Elst |
| 22 | (48529) von Wrangel | 1993-07-20 | E. W. Elst |
| 23 | (52387) Huitzilopochtli | 1993-07-20 | E. W. Elst |
| 24 | (10579) Diluca | 1995-07-20 | Osservatorio San Vittore |
| 25 | (10192) Wanglizhe | 1996-07-20 | Beijing Schmidt CCD Asteroid Program |
| 26 | (12006) Hruschka | 1996-07-20 | L. Sarounova |
| 27 | (96296) Nanhangda | 1996-07-20 | Beijing Schmidt CCD Asteroid Program |
| 28 | (13251) Viot | 1998-07-20 | ODAS |
| 29 | (13701) Roquebrune | 1998-07-20 | ODAS |
| 30 | (20399) Michaelesser | 1998-07-20 | ODAS |
| 31 | (21531) Billcollin | 1998-07-20 | ODAS |
| 32 | (24996) Zerocalcare | 1998-07-20 | V. Goretti L. Tesi |
| 33 | (66000) Duilialoncao | 1998-07-20 | Boattini, A., Tombelli, M. |
| 34 | (74080) Philippestee | 1998-07-20 | ODAS |
| 35 | (30539) Raissamuller | 2001-07-20 | LINEAR |
| 36 | (32524) Roberthowie | 2001-07-20 | LONEOS |
| 37 | (37309) Pajuelo | 2001-07-20 | LONEOS |
| 38 | (51827) Laurelclark | 2001-07-20 | NEAT |
| 39 | (51828) Ilanramon | 2001-07-20 | NEAT |
| 40 | (63463) Calamandrei | 2001-07-20 | Tombelli, M., Tesi, L. |
| 41 | (99262) Bleustein | 2001-07-20 | J.-C. Merlin |
| 42 | (296525) Milanovskiy | 2009-07-20 | |
| 43 | (667531) Ignasiribas | 2011-07-20 | Bosch, J. M., Herrero, E. |
| 44 | (622467) Ignes | 2012-07-20 | Bosch, J. M., Olivera, R. M. |