moon·​let | \ ˈmün-lət How to pronounce moonlet (audio) \

Definition of moonlet

: a small natural or artificial satellite

Examples of moonlet in a Sentence

Recent Examples on the Web Dimorphos is the smaller moonlet asteroid of the binary asteroid system Didymos, according to the Johns Hopkins University Applied Physics Laboratory, which is developing and leading the mission for NASA. Julia Musto, Fox News, 26 Aug. 2022 The mission will end with Dart ramming the main asteroid’s moonlet to change its orbit, a test that could one day save Earth from an incoming rock. NBC News, 15 Oct. 2021 But the double-asteroid system offers an attractive target to DART because the probe's impact can be more easily measured from Earth by precisely timing how the moonlet's orbital period around Didymos changes as a result of the collision. William Harwood, CBS News, 24 Nov. 2021 All nature needs to create this invisible scaffolding are two celestial bodies, whether a star and its planet, or a planet and its moon, or even a moon and its moonlet. Marina Koren, The Atlantic, 10 Dec. 2021 An artist's impression of the DART probe closing in on Dimorphos, a small moonlet orbiting a half-mile-wide asteroid known as Didymos. William Harwood, CBS News, 24 Nov. 2021 Next fall, after a journey of more than six million miles, the probe will crash at 15,000 miles an hour into Dimorphos, a tiny moonlet that orbits a larger asteroid called Didymos. Robert Lee Hotz, WSJ, 23 Nov. 2021 In fact, the Dimorphos moonlet may have formed simply by spinning off the side of Didymos. Ramin Skibba, Wired, 23 Nov. 2021 The spacecraft – traveling at a speed of roughly 6.6 kilometers per second – is headed for the small moonlet asteroid Dimorphos, which orbits a larger companion asteroid called Didymos. Julia Musto, Fox News, 20 Nov. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'moonlet.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of moonlet

1832, in the meaning defined above

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Time Traveler for moonlet

Time Traveler

The first known use of moonlet was in 1832

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Dictionary Entries Near moonlet



moon letter

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Last Updated

6 Sep 2022

Cite this Entry

“Moonlet.” Dictionary, Merriam-Webster, Accessed 28 Sep. 2022.

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