Steward Observatory, Mt. Lemmon Station 2020 | Monthly Breakdown
| Month | Editorial | Discovery | Orbit Update | DOU | List Update | Retraction | Other | Follow-Up | First Follow-Up |
|---|---|---|---|---|---|---|---|---|---|
| Jan | 0 | 0 | 10 | 21 | 0 | 0 | 0 | 198 | 55 |
| Feb | 0 | 0 | 8 | 19 | 0 | 0 | 0 | 166 | 91 |
| Mar | 0 | 0 | 3 | 15 | 0 | 0 | 0 | 100 | 65 |
| Apr | 0 | 0 | 14 | 25 | 0 | 0 | 0 | 212 | 139 |
| May | 0 | 0 | 3 | 26 | 0 | 0 | 0 | 167 | 105 |
| Jun | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 21 | 12 |
| Jul | 0 | 0 | 4 | 18 | 0 | 0 | 0 | 38 | 16 |
| Aug | 0 | 0 | 4 | 22 | 0 | 0 | 0 | 88 | 47 |
| Sep | 0 | 0 | 5 | 25 | 0 | 0 | 0 | 177 | 91 |
| Oct | 0 | 0 | 17 | 29 | 0 | 0 | 0 | 245 | 163 |
| Nov | 0 | 0 | 13 | 25 | 0 | 0 | 0 | 217 | 156 |
| Dec | 0 | 0 | 12 | 24 | 0 | 0 | 0 | 182 | 117 |