The following spacecraft have encountered Near-Earth Objects:
| Mission | Launch Date | Target NEO | Comment |
|---|---|---|---|
| ISEE 3/ICE | 1978-Aug-12 | 21P/Giacobini-Zinner | Passed through the plasma tail 1985-Sep-11 |
| Vega 1 | 1984-Dec-15 | 1P/Halley | Flyby within 9000 km on 1986-Mar-06 |
| Vega 2 | 1984-Dec-21 | 1P/Halley | Flyby of 8000 km on 1986-Mar-09 |
| Sakigake | 1985-Jan-07 | 1P/Halley | Flyby at 7 million km on 1986-Mar-11 |
| Giotto | 1985-Jul-02 | 1P/Halley | Flew within 600 km on 1986-Mar-14 |
| Suisei | 1985-Aug-18 | 1P/Halley | Flyby of 150,000 km on 1986-Mar-08 |
| NEAR-Shoemaker | 1996-Feb-17 | 433 Eros | Orbit insertion on 2000-Feb-14, touched down on surface on 2001-Feb-12 |
| Hayabusa | 2003-May-09 | 25143 Itokawa | Rendezvous in 2005-Sep, sampled asteroid on 2005-Nov-19, capsule returned to Earth on 2010-Jun-13 |
| Rosetta | 2004-Mar-02 | 67P/Churyumov-Gerasimenko | Rendezvous in 2014-Aug, Philae subspacecraft landed 2014-Nov-12, Rosetta touched down on 2016-Sep-29 |
| EPOXI | 2005-Jan-12 | 103P/Hartley 2 | Flew by within 700 km on 2010-Nov-04; extended mission for Deep Impact |
| Hayabusa 2 | 2014-Dec-03 | 162173 Ryugu | Rendezvous in 2018-July |
| OSIRIS-REx | 2016-Sep-08 | 101955 Bennu | Rendezvous in 2018-Aug |