swap_horiz ICESat-2 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

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

5

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

6

Landsat 5

Landsat 5 is a NASA space mission providing continuous global imagery since its launch in 1984. This satellite’s extende...

Imaging Nasa Earth Landsat

9.1 Excellent

7

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

8

Landsat 1

Landsat 1 is an American Earth observation satellite that began continuous monitoring of our planet in 1972. Launched by...

Imaging Nasa Earth Landsat

8.9 Great

9

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

10

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

11

GRACE

The GRACE (Gravity Recovery and Climate Experiment) mission involved two identical satellites launched by NASA and DLR i...

Nasa Gravity Past Earth

8.7 Great

12

Landsat 9

Landsat 9 is the 2021 NASA-USGS land imaging satellite, notable for continuing the 50-year Landsat record with OLI-2 and...

Imaging Active Nasa Earth

8.2 Great

13

GRACE-FO

GRACE-FO is the 2018 NASA-GFZ follow-on twin mission, notable for continuing gravity mapping and testing laser inter-sat...

Active Nasa Gravity Earth

8.2 Great

14

ICESat

ICESat was NASA's 2003 laser altimetry mission, notable for measuring ice sheet elevation, clouds, and land topography w...

Laser Nasa Ice Past

8.1 Great

15

SMAP

SMAP is a NASA Earth-observing satellite launched in 2015 to map soil moisture and freeze-thaw state for weather, drough...

Soil Moisture Active Radar Nasa

7.9 Good

16

SWOT

SWOT is a NASA-CNES Earth-observing satellite launched in 2022 to make the first global survey of surface water and ocea...

Water Active Nasa Earth

7.9 Good

17

OCO-2

OCO-2 is a NASA Earth-observing satellite launched in 2014 to measure atmospheric carbon dioxide and plant photosynthesi...

Climate Active Carbon Nasa

7.7 Good

18

PACE

PACE is a NASA Earth-observing satellite launched in 2024 to study ocean color, phytoplankton, aerosols, clouds, and cli...

Ocean Active Nasa Atmosphere

7.4 Good

19

TIMED

TIMED is NASA's 2001 mission to study Earth's mesosphere and lower thermosphere-ionosphere, notable for tracking solar e...

Active Nasa Atmosphere Earth

7.3 Good

20

CYGNSS

CYGNSS is a NASA constellation of eight microsatellites launched in 2016 to measure ocean surface winds inside tropical...

Active Nasa Earth Smallsat

7.1 Good