swap_horiz Solar Orbiter Alternatives

1

Voyager 2

Voyager 2 is a NASA-built spacecraft deployed in 1977. It’s notable for being the first to explore Uranus and Neptune pr...

Active Nasa Interstellar Outer Planets

10.0 Brilliant

2

Voyager 1

Voyager 1 is an active NASA spacecraft launched in 1977. It undertook a flyby mission to Jupiter and Saturn. The probe a...

Active Nasa Interstellar Outer Planets

9.9 Brilliant

3

New Horizons

The New Horizons mission is an active NASA space probe studying the outer solar system. Launched in 2006, it achieved a...

Active Nasa Kuiper Belt Pluto

9.4 Excellent

4

Viking 1

The Viking 1 mission involved both an orbiter and a lander deployed to Mars in 1975. It achieved the historic feat of de...

Nasa Mars Past Lander

9.4 Excellent

5

Curiosity Mars Rover

The Curiosity rover is an active NASA mission exploring Mars from Gale Crater. Launched in 2011, it investigates the pla...

Geology Active Nasa Mars

9.3 Excellent

6

Perseverance Mars Rover

The Perseverance rover is an active NASA mission exploring Mars. It operates within Jezero Crater, analyzing the geology...

Active Nasa Mars Rover

9.2 Excellent

7

Mariner 9

The Mariner 9 mission involved a NASA-operated spacecraft that orbited Mars from 1971 to 1973. It is significant as the...

Mapping Nasa Mars Orbiter

9.2 Excellent

8

Space Shuttle STS-1

The Space Shuttle STS-1 mission marked America’s first crewed launch of the Space Shuttle program. This historic flight...

Nasa Past Shuttle Orbiter

9.1 Excellent

9

Tianwen-1

The Tianwen-1 mission represents China’s ambitious exploration of Mars. This active space project launched in July 2020...

China Active Mars Lander

9.0 Excellent

10

Lunar Reconnaissance Orbiter

The Lunar Reconnaissance Orbiter (LRO) is a NASA spacecraft currently orbiting the Moon. Launched in 2009, it provides d...

Mapping Active Nasa Moon

9.0 Excellent

11

Landsat 8

Landsat 8 is an active Earth observation satellite operated by NASA and the USGS. This mission continues a decades-long...

Imaging Active Nasa Earth

8.8 Great

12

Mars Reconnaissance Orbiter

The Mars Reconnaissance Orbiter is a NASA spacecraft orbiting Mars since 2006. It provides high-resolution imaging of th...

Imaging Active Nasa Mars

8.8 Great

13

Viking 2

The Viking 2 spacecraft was a NASA mission launched in 1976 to explore Mars. It landed near Utopia Planitia and function...

Nasa Mars Past Lander

8.8 Great

14

NEAR Shoemaker

The NEAR Shoemaker mission, a NASA project, studied the near-Earth asteroid 433 Eros. Launched in 1998, it successfully...

Nasa Past Asteroid Orbiter

8.8 Great

15

Mars Express

Mars Express is a planetary exploration mission developed by the European Space Agency (ESA), launched in 2003 to study...

Active Planetary Mars Orbiter

8.4 Great

16

MAVEN

MAVEN, short for Mars Atmosphere and Volatile Evolution, is a NASA orbiter launched in 2013 and placed into orbit around...

Active Nasa Mars Atmosphere

8.2 Great

17

2001 Mars Odyssey

2001 Mars Odyssey is a NASA spacecraft that entered orbit around Mars in 2001. Its instruments mapped the planet's surfa...

Mapping Active Nasa Mars

8.1 Great

18

ExoMars Trace Gas Orbiter

ExoMars Trace Gas Orbiter is a collaborative Mars mission launched in 2016 by the European Space Agency (ESA) and Roscos...

Active Mars Orbiter Esa

7.7 Good

19

BepiColombo

BepiColombo is a joint European Space Agency and Japan Aerospace Exploration Agency mission to study Mercury. Launched o...

Active Mercury Orbiter Esa

7.1 Good

20

Psyche

Psyche is a NASA robotic space mission to the asteroid 16 Psyche. The spacecraft is designed to orbit and study the meta...

Active Nasa Asteroid Orbiter

7.0 Good