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Topic: Asteroid

NASA reports small Asteroid to pass close but safely past Earth

 

Written by DC Agle
NASA’s Jet Propulsion Laboratory

NASA - National Aeronautics and Space AdministrationPasadena, CA – On October 12th EDT (October 11th PDT), a small asteroid designated 2012 TC4 will safely pass by Earth at a distance of approximately 26,000 miles (42,000 kilometers). This is a little over one tenth the distance to the Moon and just above the orbital altitude of communications satellites.

This encounter with TC4 is being used by asteroid trackers around the world to test their ability to operate as a coordinated international asteroid warning network.

2012 TC4 is estimated to be 50 to 100 feet (15 to 30 meters) in size. Orbit prediction experts say the asteroid poses no risk of impact with Earth.

This image depicts the safe flyby of small asteroid 2012 TC4 as it passes under Earth on Oct. 12, 2017. While scientists cannot yet predict exactly how close the 50 to 100 foot (15 to 30 meter) wide space rock will approach, they are certain it will come no closer than 4,200 miles (6,800 kilometers) from Earth's surface. (NASA/JPL-Caltech)

This image depicts the safe flyby of small asteroid 2012 TC4 as it passes under Earth on Oct. 12, 2017. While scientists cannot yet predict exactly how close the 50 to 100 foot (15 to 30 meter) wide space rock will approach, they are certain it will come no closer than 4,200 miles (6,800 kilometers) from Earth’s surface. (NASA/JPL-Caltech)

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NASA’s Dawn Spacecraft launched 10 Years Ago for Vesta, Ceres

 

Written by Elizabeth Landau
NASA’s Jet Propulsion Laboratory

NASA - National Aeronautics and Space AdministrationPasadena, CA – Ten years ago, NASA’s Dawn spacecraft set sail for the two most massive bodies in the asteroid belt between Mars and Jupiter: giant asteroid Vesta and dwarf planet Ceres. The mission was designed to deliver new knowledge about these small but intricate worlds, which hold clues to the formation of planets in our solar system.

“Our interplanetary spaceship has exceeded all expectations in the last decade, delivering amazing insights about these two fascinating bodies,” said Chris Russell, principal investigator of the Dawn mission, based at the University of California, Los Angeles.

Dawn launched 10 years ago on Sept. 27, 2007. (NASA/Sandra Joseph and Rafael Hernandez)

Dawn launched 10 years ago on Sept. 27, 2007. (NASA/Sandra Joseph and Rafael Hernandez)

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NASA reports a Large Asteroid will Pass Safely Pass by Earth on September 1st

 

Written by Laurie Cantillo / Dwayne Brown
NASA Headquarters

NASA - National Aeronautics and Space AdministrationWashington, D.C. – Asteroid Florence, a large near-Earth asteroid, will pass safely by Earth on September 1st, 2017, at a distance of about 4.4 million miles, (7.0 million kilometers, or about 18 Earth-Moon distances). Florence is among the largest near-Earth asteroids that are several miles in size; measurements from NASA’s Spitzer Space Telescope and NEOWISE mission indicate it’s about 2.7 miles (4.4 kilometers) in size.

“While many known asteroids have passed by closer to Earth than Florence will on September 1st, all of those were estimated to be smaller,” said Paul Chodas, manager of NASA’s Center for Near-Earth Object Studies (CNEOS) at the agency’s Jet Propulsion Laboratory in Pasadena, California.

Asteroid Florence, a large near-Earth asteroid, will pass safely by Earth on Sept. 1, 2017, at a distance of about 4.4 million miles. (NASA/JPL-Caltech)

Asteroid Florence, a large near-Earth asteroid, will pass safely by Earth on Sept. 1, 2017, at a distance of about 4.4 million miles. (NASA/JPL-Caltech)

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NASA to use Asteroid Flyby to test Planetary Defense Network

 

Written by Laurie Cantillo / Dwayne Brown
NASA Headquarters

NASA - National Aeronautics and Space AdministrationWashington, D.C. – NASA scientists are excited about the upcoming close flyby of a small asteroid and plan to use its upcoming October close approach to Earth as an opportunity not only for science, but to test NASA’s network of observatories and scientists who work with planetary defense.

The target of all this attention is asteroid 2012 TC4 — a small asteroid estimated to be between 30 and 100 feet (10 and 30 meters) in size. On October 12th, TC4 will safely fly past Earth. Even though scientists cannot yet predict exactly how close it will approach, they are certain it will come no closer than 4,200 miles (6,800 kilometers) from the surface of Earth. The asteroid has been out of range of telescopes since 2012.

This animation depicts the safe flyby of asteroid 2012 TC4 as it passes under Earth on Oct. 12, 2017. While scientists cannot yet predict exactly how close it will approach, they are certain it will come no closer than 4,200 miles (6,800 kilometers) from Earth's surface. (NASA/JPL-Caltech)

This animation depicts the safe flyby of asteroid 2012 TC4 as it passes under Earth on Oct. 12, 2017. While scientists cannot yet predict exactly how close it will approach, they are certain it will come no closer than 4,200 miles (6,800 kilometers) from Earth’s surface. (NASA/JPL-Caltech)

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Adventure Science Center begins Construction of New Virtual Reality Experience

 

Adventure Science CenterNashville, TN On August 19th, 2017, Adventure Science Center will open Nashville’s first, large-scale, public, virtual reality installation with custom-designed experiences created in partnership with Nashville developers, BlackBox Simulations. The VR experience features cutting-edge technology that tracks a user’s physical position.

This allows the user complete freedom to explore a truly immersive experience. Guests who’ve purchased indoor tickets for the Music City Solar Eclipse Festival & Viewing Party on August 19th, 20th, or 21st will be the first to experience the new VR installation and will have exclusive access on those days.

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NASA mission to Asteroid Psyche Launch Date moved up

 

Written by DC Agle
NASA’s Jet Propulsion Laboratory

NASA - National Aeronautics and Space AdministrationPasadena, CA – Psyche, NASA’s Discovery Mission to a unique metal asteroid, has been moved up one year with launch in the summer of 2022, and with a planned arrival at the main belt asteroid in 2026 — four years earlier than the original timeline.

“We challenged the mission design team to explore if an earlier launch date could provide a more efficient trajectory to the asteroid Psyche, and they came through in a big way,” said Jim Green, director of the Planetary Science Division at NASA Headquarters in Washington. “This will enable us to fulfill our science objectives sooner and at a reduced cost.”

Artist's concept of the Psyche spacecraft, which will conduct a direct exploration of an asteroid thought to be a stripped planetary core. (SSL/ASU/P. Rubin/NASA/JPL-Caltech)

Artist’s concept of the Psyche spacecraft, which will conduct a direct exploration of an asteroid thought to be a stripped planetary core. (SSL/ASU/P. Rubin/NASA/JPL-Caltech)

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NASA’s Dawn Spacecraft loses third reaction wheel to failure

 

Written by Elizabeth Landau
NASA’s Jet Propulsion Laboratory

NASA - National Aeronautics and Space AdministrationPasadena, CA – NASA’s Dawn spacecraft is preparing to observe Ceres on April 29th from an “opposition” position, directly between the dwarf planet’s mysterious Occator Crater and the sun. This unique geometry may yield new insights about the bright material in the center of the crater.

While preparing for this observation, one of Dawn’s two remaining reaction wheels stopped functioning on April 23rd. By electrically changing the speed at which these gyroscope-like devices spin, Dawn controls its orientation in the zero-gravity, frictionless conditions of space.

This artist's rendering shows NASA's Dawn spacecraft maneuvering above Ceres with its ion propulsion system. (NASA)

This artist’s rendering shows NASA’s Dawn spacecraft maneuvering above Ceres with its ion propulsion system. (NASA)

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NASA’s Goldstone Solar System Radar captures images of Asteroid’s flyby of Earth

 

Written by DC Agle
NASA’s Jet Propulsion Laboratory

NASA - National Aeronautics and Space AdministrationPasadena, CA – Radar images of asteroid 2014 JO25 were obtained in the early morning hours on Tuesday, with NASA’s 70-meter (230-foot) antenna at the Goldstone Deep Space Communications Complex in California.

The images reveal a peanut-shaped asteroid that rotates about once every five hours. The images have resolutions as fine as 25 feet (7.5 meters) per pixel.

Asteroid 2014 JO25 was discovered in May 2014 by astronomers at the Catalina Sky Survey near Tucson, Arizona — a project of NASA’s Near-Earth Objects Observations Program in collaboration with the University of Arizona.

This composite of 30 images of asteroid 2014 JO25 was generated with radar data collected using NASA's Goldstone Solar System Radar in California's Mojave Desert. (NASA/JPL-Caltech/GSSR)

This composite of 30 images of asteroid 2014 JO25 was generated with radar data collected using NASA’s Goldstone Solar System Radar in California’s Mojave Desert. (NASA/JPL-Caltech/GSSR)

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NASA reports near-Earth Asteroid to pass by on April 19th

 

Written by DC Agle
NASA’s Jet Propulsion Laboratory

NASA - National Aeronautics and Space AdministrationPasadena, CA – A relatively large near-Earth asteroid discovered nearly three years ago will fly safely past Earth on April 19th at a distance of about 1.1 million miles (1.8 million kilometers), or about 4.6 times the distance from Earth to the moon. Although there is no possibility for the asteroid to collide with our planet, this will be a very close approach for an asteroid of this size.

The asteroid, known as 2014 JO25, was discovered in May 2014 by astronomers at the Catalina Sky Survey near Tucson, Arizona — a project of NASA’s NEO Observations Program in collaboration with the University of Arizona. (An NEO is a near-Earth object).

This computer-generated image depicts the flyby of asteroid 2014 JO25. The asteroid will safely fly past Earth on April 19 at a distance of about 1.1 million miles (1.8 million kilometers), or about 4.6 times the distance between Earth and the moon. (NASA/JPL-Caltech)

This computer-generated image depicts the flyby of asteroid 2014 JO25. The asteroid will safely fly past Earth on April 19 at a distance of about 1.1 million miles (1.8 million kilometers), or about 4.6 times the distance between Earth and the moon. (NASA/JPL-Caltech)

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NASA researchers say Mars may have had Rings

 

Written by Brian Wallheimer
NASA Headquarters

NASA - National Aeronautics and Space AdministrationWashington, D.C. – As children, we learned about our solar system’s planets by certain characteristics — Jupiter is the largest, Saturn has rings, Mercury is closest to the sun. Mars is red, but it’s possible that one of our closest neighbors also had rings at one point and may have them again someday.

That’s the theory put forth by NASA-funded scientists at Purdue University, Lafayette, Indiana, whose findings were published in the journal Nature Geoscience. David Minton and Andrew Hesselbrock developed a model that suggests that debris that was pushed into space from an asteroid or other body slamming into Mars around 4.3 billion years ago alternates between becoming a planetary ring and clumping together to form a moon.

This sequence of images from NASA's Curiosity Mars rover shows one of Mars' two moons, Phobos, passing directly in front of the other, Deimos, in 2013. (NASA/JPL-Caltech/Malin Space Science Systems/Texas A&M Univ.)

This sequence of images from NASA’s Curiosity Mars rover shows one of Mars’ two moons, Phobos, passing directly in front of the other, Deimos, in 2013. (NASA/JPL-Caltech/Malin Space Science Systems/Texas A&M Univ.)

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