Before revision: 412 Moon — — Failure Soviet Union Luna 24 Moon Success United States Stardust 81P/Wild , weighing approx Success United States Genesis Solar wind Success (partial) Hayabusa 25143 Itokawa , weighing less than Success (partial) Russia Fobos-Grunt Phobos — — Failure Japan Hayabusa2 162173 Ryugu (including gas samples) Success United States OSIRIS-REx 101955 Bennu ~ Success Chang'e 5 Moon Success China Chang'e 6 Moon ~ Success 2025 China Tianwen-2 469219 Kamoʻoalewa — 2025 Planned Japan MMX Phobos — Planned 2028 United States / European Space Agency NASA-ESA Mars Sample Return Mars 2033 Ongoing 2028 Chandrayaan-4 Moon — 2028 Planned 2028 China Tianwen-3 Mars — 2031 Planne
After revision: 412 Moon — — Failure Soviet Union Luna 24 Moon Success United States Stardust 81P/Wild , weighing approx Success United States Genesis Solar wind Success (partial) Hayabusa 25143 Itokawa , weighing less than Success (partial) Russia Fobos-Grunt Phobos — — Failure Japan Hayabusa2 162173 Ryugu (including gas samples) Success United States OSIRIS-REx 101955 Bennu Success Chang'e 5 Moon Success China Chang'e 6 Moon ~ Success 2025 China Tianwen-2 469219 Kamoʻoalewa — 2025 Planned Japan MMX Phobos — Planned 2028 United States / European Space Agency NASA-ESA Mars Sample Return Mars 2033 Ongoing 2028 Chandrayaan-4 Moon — 2028 Planned 2028 China Tianwen-3 Mars — 2031 Planne