Sociedade Astronômica Brasileira
The Sociedade Astronômica Brasileira is a professional astronomical society in Brazil. It was founded in 1974.
In addition to symposia, working meetings and contact services, it also holds annual meetings, which have taken place in:
| Numeral | Number | Location | Year | Ref |
| XXXV | 35th | Passa Quatro | 2010 | |
| XXXVI | 36th | Águas de Lindóia | 2011 | |
| XXXVII | 37th | Águas de Lindóia | 2012 | |
| XXXVIII | 38th | Armação de Búzios | 2014 | |
| XXXIX | 39th | Ouro Preto | 2015 | |
| XL | 40th | Ribeirão Preto | 2016 | |
| XLI | 41st | São Paulo | 4–8 September 2017 | |
| XLII | 42nd | Universidade Cruzeiro do Sul - Campus Anália Franco, São Paulo | 9–12 July 2018 |