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2029 Flyby

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Apophis 2029 flyby could spark a naked-eye sky show for billions
science11 days ago

Apophis 2029 flyby could spark a naked-eye sky show for billions

Asteroid Apophis, about 375 meters across, will pass roughly 32,000 km from Earth on 13 April 2029 and could be visible to the naked eye for up to seven hours across a cumulative viewing region that may cover up to about 7.6 billion people; peak brightness is around magnitude 2.8, though actual visibility depends on darkness, weather and light pollution. The flyby is deemed safe, and radar data from 2021 refined the orbit to remove any impact risk for at least a century.

via Space Daily|
#2029-flyby#apophis#naked-eye-visibility
Asteroid Apophis to skim by Earth in 2029 as NASA’s OSIRIS-APEX trails to study gravity’s effect
science-space22 days ago

Asteroid Apophis to skim by Earth in 2029 as NASA’s OSIRIS-APEX trails to study gravity’s effect

In April 2029, asteroid 99942 Apophis will pass about 32,000 km above Earth — closer than geostationary satellites — and NASA’s OSIRIS-APEX will watch from afar and then trail the asteroid to map how Earth’s gravity changes its orbit, rotation and surface. The mission will use cameras, spectrometers and a laser altimeter to characterize Apophis’s shape and composition, with a close ground-proximity pass later used to study surface changes, while Earth provides a well-understood gravitational test for a potentially hazardous, rubble-pile body.

via Space Daily|
#2029-flyby#apophis#asteroid-science
Apophis to skim Earth in 2029, unlocking new asteroid science
space4 months ago

Apophis to skim Earth in 2029, unlocking new asteroid science

Earth’s giant near-Earth asteroid Apophis, about a quarter-mile long, will pass within about 20,000 miles of Earth on April 13, 2029—the closest approach of a large known asteroid—offering a rare chance to study its surface and motion as NASA and ESA prepare dedicated observations (OSIRIS-APEX and Ramses) while the initial risk of impact has been ruled out for at least a century.

via USA Today|
#2029-flyby#apophis#esa