List of proposed Solar System probes

Last updated

This is a list of proposed space probes that are planned to focus on the exploration of the Solar System, ordered by date of spacecraft launch. Launched probes are in the List of Solar System probes and the List of active Solar System probes.

Contents

Planned or scheduled missions

Mission nameLaunch dateDescriptionRef(s)
Flag of the United States.svg Nova-C IM-2 February 2025Lunar lander [1]
Flag of the United States.svg Odin (Brokkr-2) February 2025First commercial asteroid fly-by mission by AstroForge, rideshare of the IM-2 mission. The target is 2022 OB5. [2] [3]
Flag of the United States.svg Lunar Trailblazer February 2025Lunar orbiter, a secondary payload on the IM-2 mission [4]
Flag of the United States.svg EscaPADE Spring 2025Two Mars orbiters [5]
Flag of the People's Republic of China.svg Tianwen-2 May 2025Asteroid 469219 Kamoʻoalewa sample return, comet 311P/PanSTARRS orbiter [6]
Flag of the United States.svg Artemis II April 20264-person lunar flyby [7] [8]
Flag of Japan.svg Flag of France.svg Flag of Germany.svg Martian Moons eXploration 2026 Martian moon sample return mission [9]
Flag of the People's Republic of China.svg Chang'e 7 2026Lunar south pole lander, rover and flying probe [10]
Flag of India.svg Flag of Japan.svg Lunar Polar Exploration Mission 2026-2028Lunar lander and rover [11]
Flag of India.svg Chandrayaan-4 2027Lunar sample return mission [12]
Flag of the United States.svg Artemis III Mid 20274-person lunar flyby, 2-person lunar landing [7] [13]
Flag of Russia.svg Luna 26 2027Lunar orbiter [14]
Flag of Japan.svg DESTINY+ 2028Asteroid 3200 Phaethon flyby [15]
Flag of the United States.svg Dragonfly July 2028 Titan rotorcraft lander [16] [17]
Flag of Europe.svg Rosalind Franklin 2028Mars rover, ExoMars [18] [19]
Flag of Russia.svg Luna 27 2028Lunar lander [14]
Flag of the People's Republic of China.svg Tianwen-3 2028 Mars sample return mission [20]
Flag of the United Arab Emirates.svg MBR Explorer 2028Flyby mission to seven asteroids [21]
Flag of India.svg Venus Orbiter Mission 2028Venus orbiter [22]
Flag of the People's Republic of China.svg Tianwen-4 September 2029 Jupiter and Callisto orbiter, Uranus flyby [23] [24]
Flag of Europe.svg Flag of Japan.svg Comet Interceptor 2029Flyby of an Oort Cloud comet [25] [26] [27]
Flag of the United States.svg VERITAS 2029Venus orbiter [28]
Flag of Europe.svg EnVision 2031Venus orbiter [29]
Flag of India.svg Mangalyaan-2 2031Mars orbiter and lander [30] [31]
Flag of the United States.svg DAVINCI 2032Venus orbiter and atmospheric probe [32]

Proposed missions

Mission namePreliminary launch date estimateDescriptionRef(s)
Estimated launch dateEstimate byEstimate as of
Flag of the People's Republic of China.svg Shensuo (Interstellar Express)2024[ needs update ]Scientia Sinica Informationis2019"Voyager-like" mission to outer planets [33] [34]
Flag of Israel.svg Beresheet 2 2025Ramon.Space2022Lunar lander [35]
Flag of the United States.svg Flag of New Zealand.svg Venus Life Finder January 2025[ needs update ]MIT/Rocket Lab2023Private Venus atmospheric probe by Rocket Lab [36]
Flag of the United States.svg Flag of Europe.svg NASA-ESA Mars Sample Return 2027[ needs update ] ESA 2023Mars sample return mission [37]
Flag of Europe.svg Ramses 2028ESA2024Asteroid orbiter [38] [39]
Flag of Japan.svg Tera-hertz Explorer 2020s[ citation needed ]Mars orbiter and lander [40] [41]
Flag of Russia.svg Venera-D 2031 Russian Space Research Institute 2023Venus orbiter and lander [42]
Flag of Russia.svg Luna 28 2030 Roscosmos 2024Lunar sample return mission [43]
Flag of the United States.svg Uranus Orbiter and Probe NET 2031 NASA 2023 Uranus orbiter and probe [44] [45]
Flag of the United States.svg Interstellar Probe 2036 NASA 2022"Voyager on steroids" [46]
Flag of the United States.svg Enceladus Orbilander 2038 NASA 2023 Enceladus orbiter/lander [47]

Suspended missions

The following missions were suspended or cancelled because of political, budgetary, or other reasons. The spacecraft were already assembled at the time of suspension/cancellation, so these missions can be resumed.

Mission nameCancellation dateDescriptionStatus and reasonRef(s)
Flag of the United States.svg VIPER 2024Lunar rover"NASA stated cost increases, delays to the launch date, and the risks of future cost growth as the reasons to stand down on the mission." NASA announced they would consider "expressions of interest" from industry to use the "VIPER rover system at no cost to the government".
In October 2024, VIPER passed all pre-launch tests.
[48] [49]
Flag of the United States.svg Janus 2023Dual asteroids probeWas expected to be a secondary payload on the Psyche launch. After the delay, it was assessed that Janus wouldn't be able to reach the required trajectory. Both spacecraft were placed into long-term storage. [50]
Flag of Russia.svg Kazachok 2022Mars landerOriginally part of the joint ExoMars mission with ESA, planned to deliver Rosalind Franklin rover. Mission was cancelled because of the Russian invasion of Ukraine in 2022. Spacecraft was returned to Roscosmos; officials stated that they will launch it without the rover, but no date was given. [51]

See also

Related Research Articles

<span class="mw-page-title-main">Space exploration</span> Exploration of space, planets, and moons

Space exploration is the use of astronomy and space technology to explore outer space. While the exploration of space is currently carried out mainly by astronomers with telescopes, its physical exploration is conducted both by uncrewed robotic space probes and human spaceflight. Space exploration, like its classical form astronomy, is one of the main sources for space science.

<span class="mw-page-title-main">Gravity assist</span> Space navigation technique

A gravity assist, gravity assist maneuver, swing-by, or generally a gravitational slingshot in orbital mechanics, is a type of spaceflight flyby which makes use of the relative movement and gravity of a planet or other astronomical object to alter the path and speed of a spacecraft, typically to save propellant and reduce expense.

<span class="mw-page-title-main">Discovery Program</span> Solar system exploration program by NASA

The Discovery Program is a series of Solar System exploration missions funded by the U.S. National Aeronautics and Space Administration (NASA) through its Planetary Missions Program Office. The cost of each mission is capped at a lower level than missions from NASA's New Frontiers or Flagship Programs. As a result, Discovery missions tend to be more focused on a specific scientific goal rather than serving a general purpose.

The New Frontiers program is a series of space exploration missions being conducted by NASA with the purpose of furthering the understanding of the Solar System. The program selects medium-class missions which can provide high science returns.

<span class="mw-page-title-main">Outline of space exploration</span> Overview of and topical guide to space exploration

The following outline is provided as an overview of and topical guide to space exploration.

<span class="mw-page-title-main">Exploration of Uranus</span> Exploration in space

The exploration of Uranus has, to date, been through telescopes and a lone probe by NASA's Voyager 2 spacecraft, which made its closest approach to Uranus on January 24, 1986. Voyager 2 discovered 10 moons, studied the planet's cold atmosphere, and examined its ring system, discovering two new rings. It also imaged Uranus' five large moons, revealing that their surfaces are covered with impact craters and canyons.

<span class="mw-page-title-main">Exploration of Saturn</span> Overview of the exploration of Saturn

The exploration of Saturn has been solely performed by crewless probes. Three missions were flybys, which formed an extended foundation of knowledge about the system. The Cassini–Huygens spacecraft, launched in 1997, was in orbit from 2004 to 2017.

<span class="mw-page-title-main">Discovery and exploration of the Solar System</span>

Discovery and exploration of the Solar System is observation, visitation, and increase in knowledge and understanding of Earth's "cosmic neighborhood". This includes the Sun, Earth and the Moon, the major planets Mercury, Venus, Mars, Jupiter, Saturn, Uranus, and Neptune, their satellites, as well as smaller bodies including comets, asteroids, and dust.

<span class="mw-page-title-main">Uranus Orbiter and Probe</span> Proposed NASA space mission to Uranus

The Uranus Orbiter and Probe is an orbiter mission concept to study Uranus and its moons. The orbiter would also deploy an atmospheric probe to characterize Uranus's atmosphere. The concept is being developed as a potential large strategic science mission for NASA. The science phase would last 4.5 years and include multiple flybys of each of the major moons.

<span class="mw-page-title-main">Outline of the Solar System</span> Overview of and topical guide to the Solar System

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<span class="mw-page-title-main">Planetary Missions Program Office</span> Division of NASA

The Planetary Missions Program Office is a division of NASA headquartered at the Marshall Space Flight Center, formed by the agency's Science Mission Directorate (SMD). Succeeding the Discovery and New Frontiers Program Office, it was established in 2014 to manage the Discovery and New Frontiers programs of low and medium-cost missions by third-party institutions, and the Solar System Exploration program of NASA-led missions that focus on prioritized planetary science objectives. The Discovery and New Frontiers programs were established in 1992 and 2001 respectively, and have launched fourteen primary missions together, along with two missions launched under the administration of the Planetary Missions Program Office. The Solar System Exploration Program was established alongside the office, with three missions planned for launch under the new program.

Tianwen-4, formerly known as Gan De, is a planned Chinese interplanetary mission to study the Jovian system, possibly sharing a launch with a spacecraft which will make a flyby of Uranus.

<span class="mw-page-title-main">Planetary Exploration of China</span> Chinese Solar System exploration program

The Planetary Exploration of China, also known as Tianwen, is the robotic interplanetary spaceflight program conducted by the China National Space Administration (CNSA). The program aims to explore planets of the Solar System, starting from Mars, and will be expanded to Jupiter and more in the future.

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