Nisu vam tacne informacije.
Top lista (ukupno dana u svemiru):
1 Gennady Padalka 878
2 Sergei Krikalev 803
3 Alexandr Kaleri 769
4 Sergei Avdeyev 747
5 Valeriy Polyakov 678
6 Anatoly Solovyev 651
Itd...
https://en.wikipedia.org/wiki/List_of_spaceflight_records#Total_time_in_space