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J002E3 is an object in space which is thought to be the S-IVB third stage of the Apollo 12 Saturn V rocket. It was discovered on September 3, 2002, by amateur astronomer Bill Yeung . Initially thought to be an asteroid , it has since been tentatively identified as the third stage of Apollo 12 Saturn V based on spectrographic evidence consistent ...
2024 YR 4 is an asteroid estimated to be 40 to 90 metres (130 to 300 ft) in diameter that is classified as an Apollo-type (Earth-crossing) near-Earth object.It was discovered by the Chilean station of the Asteroid Terrestrial-impact Last Alert System (ATLAS) on 27 December 2024.
Asteroid 2024 YR4 has a 1.3% chance of impacting Earth in 2032, NASA reports. Astronomers all over the world are watching the asteroid, trying to narrow down its future path.
Sine we figured out what it is, the name J002E3 is a bit of a distraction. The S-IVB-507 article could talk about the part's manufacture, testing, and flight as well as its re-discovery as J002E3. It would also be more appropriate then to include pictures of S-IVB-507 from a time when it was much closer to the camera.
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[56] [57] The study of impact craters indicates that impact frequency has been more or less steady for the past 3.5 billion years, which requires a steady replenishment of the NEO population from the asteroid main belt. [27] One impact model based on widely accepted NEO population models estimates the average time between the impact of two ...
In a 2017 follow-up to the 2012 simulation study which also considered an improved model of near-Earth asteroid populations, 40% of captured objects were TCF. The combined number of TCO/TCF was found to be smaller than in the previous study, the maximum size of objects which can be expected to be orbiting Earth at any given moment was 0.8 m (2. ...
2018 AH, largest asteroid to pass so close to Earth since 1971 on 2018-01-02. A106fgF, a 2–5 m asteroid which either passed extremely close or impacted Earth on 2018-01-22. 2018 RC, near earth asteroid on 2018-09-03 (notable because it was discovered more than a day prior to closest approach on 2018-09-09). [43]