But all good things must come to an end: Solar activity is causing NEOWISE – short for Near-Earth Object Wide-field Infrared Survey Explorer – to fall out of orbit. By early 2025, the spacecraft is expected to drop low enough into Earth’s atmosphere that it will become unusable
NASA plans to end the NEOWISE telescope mission due to increased solar activity. The NEOWISE project is the asteroid-hunting portion of the Wide-field Infrared Survey Explorer (WISE) mission
NEOWISE is managed by NASA’s Jet Propulsion Laboratory in Southern California. The mission’s main job is to find and track asteroids, comets, and other near-Earth objects. It does this by continuously taking pictures to complete one all-sky image every six.
The NEOWISE project provides a rich archive for searching WISE data for solar system objects. Future researchers will continue to rely on the vast archive of NEOWISE observations to make new discoveries
NEOWISE orbits the sun in an elliptical pattern, with an estimated aphelion, or farthest point, at about 630 astronomical units (AU) away. One AU is the distance between the Earth and the sun
The NEOWISE mission is a NASA space telescope that searches for asteroids and comets, including those that could be a threat to Earth. The NEOWISE project is part of the Wide-field Infrared Survey Explorer (WISE) mission, which was launched in December 2009. NEOWISE uses WISE images to measure asteroids and comets, and provides a database for searching WISE data for solar system objects.
The scientific objectives of the NEOWISE reactivation mission are to detect, track, and characterize near-Earth asteroids and comets.
The comet NEOWISE is named after NASA’s Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE). Comet NEOWISE is a long period comet with an aphelion of 538 AU (inbound) and 710 AU (outbound).
The Wide-field Infrared Survey Explorer (WISE) was launched on December 14, 2009. In late 2013, it was reactivated and renamed NEOWISE.
WISE was designed to survey the sky in infrared, detecting asteroids, stars, and some of the faintest galaxies in space. It surveyed the full sky in four infrared wavelength bands until the frozen hydrogen cooling the telescope was depleted in September 2010. The survey continued as NEOWISE for an additional four months using the two shortest wavelength detectors.
The NEO Surveyor, a replacement mission for NEOWISE, is scheduled to launch in 2028
The NEOWISE mission’s goal is to identify and characterize near-Earth objects, including asteroids and comets that could be a threat to Earth. The mission also aims to determine the sizes and compositions of similar, more distant objects
NEOWISE’s four-year survey ran from December 2013 through 2017. As of early 2021, NEOWISE had surveyed the entire sky 15 times, observing roughly 40,000 solar system objects, including 1,200 near-Earth asteroids
NEOWISE gathers data on the size and other key measurements of near-Earth objects. It also provides information on the objects’ albedos, or reflectivity, to help astronomers sort the population. NEOWISE can tell whether a centaur has a matte and dark surface or a shiny one that reflects more light.
NEOWISE has also discovered 215 near-Earth objects, including an icy visitor on March 27, 2020
NEOWISE is a space-based infrared telescope that orbits the Earth and searches for asteroids and comets. Space telescopes that can detect infrared light are ideal for asteroid hunting
Optical telescopes are the traditional way to study asteroids and discover them. In recent decades, radar telescopes have also become a powerful method for imaging asteroids from Earth
How does NEOWISE work? NEOWISE is essentially a 40-centimeter-diameter telescope with four infrared detectors, two of which are still functional without the spacecraft’s supply of frozen hydrogen ran out. NEOWISE is relatively small and compact, measuring less than 3 meters along its longest axis
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