OptionProbability
Before 2034
Before 2032
Before 2030
Before 2028
Before 2026
80
68
61
50
4
2075
2065
Not before 2075
2055
2045
2035
27
22
17
9
Centaur Orbiter and Lander
Ceres Sample Return
Comet surface sample return
Saturn probe
Enceladus multiple flyby
Io Observer
Lunar Geophysical Network
Titan orbiter
Venus In Situ Explorer
Lunar South Pole-Aitken Basin Sample Return
21
12
7
0
