Nimbus to Now

ASCA (formerly named Astro-D)
Launched: February 20, 1993.
Time operating: 7 years until lost in July 14, 2000.
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Astro-1
Launched: December 2, 1990.
Returned: December 11, 1990. Read more.

ASTHROS
Planned to launch: December 2023.
Made to study the Cosmos with a stratospheric balloon. Read more.

Chandra X-ray Observatory
"A new project turns images from Chandra [...] into sound, allowing users to 'listen' to the center of the Milky Way galaxy." Read more.

Euclid
Euclid is a European Space Agency (ESA) M-class mission to study the geometry and nature of the dark Universe. Read more.

LISA
"LISA is a space-based gravitational wave observatory building on the success of LISA Pathfinder and LIGO." Read more.

Cassini
Distance traveled: 4.9 billion miles.
Years in space: 20.
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Clementine
Launched: January 25, 1994.
First U.S. spacecraft launched to the Moon in over 20 years. Read more.

BepiColombo
Launched: October 2018.
Scheduled to begin orbiting Mercury in 2025 and will study the planet's surface and interior.
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ExoMars Trace Gas Orbiter
Launched: March 14, 2016.
Entered the Mars orbit on October 19, 2016. Read more.

DAVINCI+
Deep Atmosphere Venus Investigation of Noble Gases, Chemistry, and Imagining
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Dragonfly
Designed to investigate Titan's environment to sample materials and determine surface composition. Read more.

BARREL
Launched over Halley station to float above Antarctica and observe magnetic fields.
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Cluster II
"The current Cluster II mission is a near-replica of the original four-spacecraft mission lost at launch in 1996." Read more.

ACE
Observes particles of solar, interplanetary, interstellar, and galactic origins.
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ARTEMIS
This satellite studies the moon's interaction with the sun. Read more.

Atmospheric Waves Experiment
Planned to launch in August 2022.
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CuPID
NASA's first wide-field soft X-ray camera. Read more.

ACRIMSAT
Alternate name: 26033
Launched: December 21, 1999
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Advanced Earth Observing Satellite (ADEOS)
Launched: August 17, 1996.
Completion: June 30, 1997.
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ACT-America
Studies the transport of atmospheric carbon.
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Aqua
Collects information about the Earth's water cycle.
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CLARREO
Scheduled to be hosted on the International Space Station (ISS) in 2023.
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EMIT
It will use NASA-invented imaging spectroscopy technology to measure the mineral composition.
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