List of interplanetary voyages 1990s 1990s

| Spacecraft | Destination | Launched | Closest_approach | Time_elapsed |
|---|---|---|---|---|
| Cassini | Venus | 15 October 1997 | 24 June 1999 | 618 days (1 yr, 8 mo, 10 d) |
| Cassini | Asteroid 2685 Masursky | 15 October 1997 | 23 January 2000 | 831 days (2 yr, 3 mo, 9 d) |
| Cassini | Jupiter | 15 October 1997 | 30 December 2000 | 1173 days (3 yr, 2 mo, 16 d) |
| Nozomi | Mars | 3 July 1998 | 14 December 2003 | 1991 days (5 yr, 5 mo, 12 d) |
| Deep Space 1 | Asteroid 9969 Braille | 24 October 1998 | 29 July 1999 | 279 days (9 months, 6 days) |
| Deep Space 1 | Comet 19P/Borrelly | 24 October 1998 | 22 September 2001 | 1065 days (2 yr, 10 mo, 30 d) |