2 articles
International Cometary Explorer
The International Cometary Explorer (ISEE-3) was a NASA spacecraft, launched in 1978 as the first to orbit the Sun-Earth L1 point, that flew through Comet Giacobini-Zinner's tail in 1985.
List of artificial objects in heliocentric orbit
The list of artificial objects in heliocentric orbit covers spacecraft, rocket stages, and debris that escaped Earth and circle the Sun, beginning with Pioneer 5 in 1960.