56-year-old NASA satellite expected to fall to Earth this weekend – Space.com

56-year-old NASA satellite expected to fall to Earth this weekend - Space.com thumbnail
Images of the long-dead satellite OGO-1 captured during asteroid survey operations on Tuesday, August 25 by the University of Arizona’s Catalina Sky Survey, funded by NASA’s Planetary Defense Coordination Office.

Photos of the lengthy-pointless satellite tv for computer OGO-1 captured for the length of asteroid leer operations on Tuesday, August 25 by the College of Arizona’s Catalina Sky Note, funded by NASA’s Planetary Protection Coordination Office.

(State: © Catalina Sky Note/College of Arizona/NASA)

A NASA geophysics satellite tv for computer’s lengthy dwelling odyssey is kind of at an pause.

The Orbiting Geophysics Observatory 1 spacecraft, or OGO-1, launched in September 1964 to glance Earth’s magnetic ambiance and how our planet interacts with the sun. The satellite tv for computer gathered recordsdata except 1969, became once officially decommissioned in 1971 and has been zooming silently round Earth on a extremely elliptical two-day orbit ever since.

However OGO-1’s days are numbered. Modern observations indicate that Earth’s gravity has finally caught up with the 1,070-lb. (487 kilograms) satellite tv for computer, which is anticipated to die a fiery dying in our planet’s ambiance this weekend.

“OGO-1 is anticipated to re-enter on unquestionably one of its next three perigees, the weather within the spacecraft’s orbit closest to our plant, and as a lot as date estimates non-public OGO-1 re-entering Earth’s ambiance on Saturday, Aug. 29, 2020, at about 5: 10 p.m. EDT [2110 GMT], over the South Pacific roughly halfway between Tahiti and the Cook Islands,” NASA officials wrote in an change Thursday (Aug. 27). 

“The spacecraft will rupture up within the ambiance and poses no likelihood to our planet — or anybody on it — and right here is a fashioned closing operational occurrence for retired spacecraft,” they added.

The contemporary observations come courtesy of the College of Arizona’s Catalina Sky Note (CSS) and the College of Hawaii’s Asteroid Terrestrial-affect Last Alert Plan (ATLAS), every of which independently detected a tiny object on an obvious affect trajectory.

Analyses by researchers on the CSS, the Heart for Advance-Earth Object (NEO) Analysis at NASA’s Jet Propulsion Laboratory in Southern California and the European Mumble Company’s NEO Coordination Heart printed that the article in demand became once now not an asteroid nonetheless moderately OGO-1, NASA officials acknowledged.

OGO-1 became once the most major satellite tv for computer within the six-spacecraft OGO program, whose other participants launched in 1965, 1966, 1967, 1968 and 1969. These 5 non-public all come abet to Earth, most only these days in 2011, re-entering over various patches of ocean.

Mike Wall is the creator of “Out There” (Immense Central Publishing, 2018; illustrated by Karl Tate), a e book in regards to the glance for alien lifestyles. Note him on Twitter @michaeldwall. Note us on Twitter @Spacedotcom or Facebook. 

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