ner_tags: O O O O O O O O O O O O O O O O O O B-Grant O O B-Organization I-Organization I-Organization O O O O O O O B-Organization I-Organization I-Organization B-Organization I-Organization O O B-Organization I-Organization I-Organization I-Organization I-Organization I-Organization O O O O O O O O O O O B-Software I-Software
tokens: The results of the research presented in this paper have been performed within the scope of the contract ASI/2007/I/082/06/0 with the Italian Space Agency. The authors are particularly thankful to the University of Rome ‘La Sapienza’ and the University of Bologna-Forlì Radio Science teams, for their precious support in the validation and testing of the orbit14 software.