Table:
text: 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)

Question: What started is the time of 1991 days (5 years 5 months 12 days) in the list of interplanetary travel: 1990s elapsed?

Question: With a July 3, 1998 launch, what's the closest approach to the list of interplanetary travel in the 1990s?