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The 21st century
328 inventions and discoveries
| Invention or discovery | Date | Inventor or discoverer | Type |
|---|---|---|---|
| (585899) 2020 HM98 | May 21, 2018 | Pan-STARRS1 | minor planet |
| C/2018 N2 (ASASSN) | July 7, 2018 | All Sky Automated Survey for SuperNovae | non-periodic comet |
| 2019 EU5 | March 5, 2019 | David J. Tholen | trans-Neptunian object |
| AbC-19 rapid antibody test | 2020 | UK Rapid Test Consortium | — |
| Aten | 2020 | Zahi Hawass | ruins |
| Proximity chat | March 2020 | Almas Abulkhairov | Internet genre |
| 2020 FA31 | March 24, 2020 | David J. Tholen | asteroid |
| SN 2020jfo | May 6, 2020 | — | supernova |
| 2020 PN1 | August 12, 2020 | Asteroid Terrestrial-impact Last Alert System | near-Earth object |
| C/2020 S3 (Erasmus) | September 17, 2020 | Nicolas Erasmus | non-periodic comet |
| 2020 VT4 | November 14, 2020 | ATLAS–MLO observatory | near-Earth asteroid |
| (614689) 2020 XL5 | December 12, 2020 | Pan-STARRS | near-Earth object |
| Cyme laeta | 2021 | Noortje Looijenga | taxon |
| FORCEDENTRY | 2021 | Citizen Lab | exploit |
| C/2021 A1 (Leonard) | January 3, 2021 | Gregory J. Leonard | non-periodic comet |
| 2021 AV7 | January 15, 2021 | Alain Maury | near-Earth asteroid |
| 2021 DR15 | February 17, 2021 | Scott S. Sheppard | asteroid |
| Mate Grande | April 7, 2021 | University of Chile | caldera |
| Giant Arc | June 2021 | Alexia Lopez | galaxy filament |
| C/2021 O3 (PanSTARRS) | July 26, 2021 | Pan-STARRS | hyperbolic comet |
| 2021 PH27 | August 13, 2021 | Scott S. Sheppard | near-Earth asteroid |
| C/2021 T4 | October 7, 2021 | Mount Lemmon Survey | hyperbolic comet |
| PwnKit | November 18, 2021 | Qualys | named vulnerability |
| Log4Shell | November 24, 2021 | Alibaba Cloud | named vulnerability |
| Odontonia kerangcaris | December 10, 2021 | Mike Groenhof | taxon |
| 2022 AE1 | January 6, 2022 | Mount Lemmon Survey | near-Earth object |
| 2022 EB5 | March 11, 2022 | Krisztián Sárneczky | Earth-crossing asteroid |
| Bulovqaya | 2023 | Vali Bakhshaliyev | archaeological site |