swap_horiz CYGNSS 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

ICESat-2

ICESat-2 (Ice, Cloud, and land Elevation Satellite 2) is an Earth observation satellite launched by NASA in 2018 as a fo...

Laser Active Nasa Ice

8.4 Great

13

Landsat 9

Launched in September 2021, Landsat 9 is an Earth observation satellite jointly managed by NASA and the U.S. Geological...

Imaging Active Nasa Earth

8.2 Great

14

GRACE-FO

GRACE-FO, the Gravity Recovery and Climate Experiment Follow-On, is a joint NASA and German Research Centre for Geoscien...

Active Nasa Gravity Earth

8.2 Great

15

SMAP

The Soil Moisture Active Passive (SMAP) is an environmental satellite launched by NASA in January 2015 to monitor Earth'...

Soil Moisture Active Radar Nasa

7.9 Good

16

SWOT

SWOT (Surface Water and Ocean Topography) is a satellite jointly developed by NASA and CNES, the French space agency, wi...

Water Active Nasa Earth

7.9 Good

17

OCO-2

OCO-2 (Orbiting Carbon Observatory-2) is a NASA Earth science satellite launched on 2 July 2014 to measure atmospheric c...

Climate Active Carbon Nasa

7.7 Good

18

PACE

PACE (Plankton, Aerosol, Cloud, ocean Ecosystem) is an active NASA Earth-observing satellite launched into a sun-synchro...

Ocean Active Nasa Atmosphere

7.4 Good

19

TIMED

TIMED (Thermosphere, Ionosphere, Mesosphere, Energetics, and Dynamics) is a NASA heliophysics mission launched in 2001 t...

Active Nasa Atmosphere Earth

7.3 Good

20

TRACERS

TRACERS is a NASA Explorer mission consisting of two small satellites designed to study magnetic reconnection in Earth's...

Active Nasa Aurora Magnetosphere

6.6 Fair