| Probes to Mercury, Sun and point L1 | ||||||
| Brugge | Gunter | N | ||||
| Probe | Country | Year | Weight | Note | ||
| Mercury : | ||||||
| Mariner 10 | USA | 1973 | 500 | flyby 3 times | ||
| Messenger | USA | 2004 | 1130 | orbiter | ||
| Sun : | ||||||
| Pioneer 5 | USA | 1960 | 43 | orbiter | ||
| Pioneer 6 | USA | 1965 | 62 | orbiter | ||
| Pioneer 7 | USA | 1966 | 62 | orbiter | ||
| Pioneer 8 | USA | 1967 | 62 | orbiter | ||
| Pioneer 9 | USA | 1968 | 62 | orbiter | ||
| Helios 1 | Ger.+USA | 1974 | 370 | orbiter | ||
| Helios 2 | Ger.+USA | 1976 | 370 | orbiter | ||
| Ulysses | EU+USA | 1990 | 370 | orbiter, special orbit | ||
| Wind | USA | 1994 | 1270 | orbiter, special orbit | ||
| Spitzer | USA | 2003 | 950 | orbiter, Earth trail | ||
| STEREO | USA | 2006 | 2x620 | 2 orbiters, Earth trail | ||
| Kepler | USA | 2009 | 1 050 | orbiter, Earth trail, finding planets | ||
| Point L1 : | ||||||
| SOHO | EU+USA | 1995 | 1870 | orbiter | ||
| ACE | USA | 1997 | 780 | orbiter | ||
| Genesis | USA | 2001 | 630 | solar wind sample return | ||