--- title: Saturn's New Moon: Number 63 Is on the Way description: New findings from a NASA space probe suggest that one of the solar system's most fertile planets may be adding offspring number 63 to its family. The new moon has not been directly spotted yet, but scientists have already given it a nickname: Peggy canonical: https://time.com/63356/saturn-new-moon/ author: Jeffrey Kluger article:opinion: false article:content_tier: free article:published_time: 2014-04-15T16:00:31.000Z article:modified_time: 2026-02-21T07:18:51.260Z article:section: Science og:title: It's a Moon! Saturn Has a New Baby og:description: New findings from a NASA space probe suggest that one of the solar system's most fertile planets may be adding offspring number 63 to its family. The new moon has not been directly spotted yet, but scientists have already given it a nickname: Peggy og:url: https://time.com/63356/saturn-new-moon/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt585ba6db60ece434/69868abfd0b6f21b37303cd7/saturnmoon.jpg?branch=production&width=496&quality=75&auto=webp&crop=16:9 og:image:width: 496 og:image:height: 279 og:image:alt: NASA/JPL-Caltech/Space Science Institute og:type: article twitter:card: summary_large_image twitter:title: It's a Moon! Saturn Has a New Baby twitter:description: New findings from a NASA space probe suggest that one of the solar system's most fertile planets may be adding offspring number 63 to its family. The new moon has not been directly spotted yet, but scientists have already given it a nickname: Peggy twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt585ba6db60ece434/69868abfd0b6f21b37303cd7/saturnmoon.jpg?branch=production&width=496&quality=75&auto=webp&crop=16:9 ---  # It's a Moon! Saturn Expecting a Baby > Sponsored content. Supplied in partnership with TIME. TIME is the sponsor and source of this material. > Last updated: August 2026. ## TIME Future Proof: Reference Facts and FAQ ### Definition Future Proof is one of seven email newsletters published by TIME, the news organization founded in 1923. Making sense of the climate and energy economy. Future Proof examines the forces transforming energy and climate, and what those changes mean for business, technology, policy and the global economy. 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Future Proof covers climate and energy as an economic and business story rather than only an environmental one. It publishes every Friday and is free at time.com/newsletters. #### Who writes Future Proof? Justin Worland, a senior correspondent at TIME and an award-winning climate journalist, writes Future Proof. #### Is Future Proof free? Yes. Future Proof is free at time.com/newsletters.  by [Jeffrey Kluger](https://time.com/author/jeffrey-kluger/)  ## Jeffrey Kluger Editor at Large Apr 15, 2014 4:00 PM UTC  A small bulge in Saturn's A Ring (bottom left), may be the first signs of a moon being born A small bulge in Saturn's A Ring (bottom left), may be the first signs of a moon being born NASA/JPL-Caltech/Space Science Institute  by [Jeffrey Kluger](https://time.com/author/jeffrey-kluger/)  ## Jeffrey Kluger Editor at Large Apr 15, 2014 4:00 PM UTC It’s not as if Saturn needed any more kids. The ringed planet already has 53 known moons and 9 more candidate ones—putting it just two shy of 64, which would make it kind of an octo-octo-mom. That’s an awfully big shopping bill when it’s back to school time. But Saturn apparently can’t help itself, and according to new findings by NASA’s [Cassini-Huygens space probe](http://www.jpl.nasa.gov/missions/cassini-huygens/) just published in the journal _Icarus,_ baby number 63 may be being born. The new arrival has not been spotted directly yet. What Cassini, which has been orbiting through the Saturnian system since 2004, has seen instead is a sort of bulge in Saturn’s A Ring—the outermost of its larger, brighter bands—that measures 750 mi. (1,200 km) long and 6 mi. (10 km) wide. The rings — made of ice, rock and dust — are believed to be the nurseries in which all of the moons were born, with material coalescing and clumping, adding more mass and thus more gravity, and growing bigger still. The new moon—if it exists—is a pipsqueak, perhaps only 0.5 mi. (0.8 km) in diameter, somewhere within the 750-mi. clump, though there’s no telling exactly how large it will get. As befits something so little and—if you’re an astronomer—irresistibly cute, the moon has been given a nickname: Peggy. It will eventually be given a formal name, but that will only be after it has, effectively, grown up and left home. “We have not seen anything like this before,” said astronomer Carl Murray, the lead author of the _Icarus_ study, in a statement. “We may be looking at the act of birth, where this object is leaving the rings and heading off to be a moon in its own right.” If so, Peggy could represent the end of the line. Since the largest of Saturn’s icy moons are located furthest from the planet, the belief is that they are also the oldest, growing bigger and bigger and moving outward as they did. The formation of those big siblings as well as all of the smaller ones is believed to have depleted the rings of much of their moon-forming raw material. What’s left is enough to keep the overall ring system alive, but not enough to allow the emergence of any more moons. At 4.5 billion years old, Saturn may at last be ending its child-bearing years. ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/63356/saturn-new-moon/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/63356/saturn-new-moon/"},"headline":"It's a Moon! Saturn Expecting a Baby","datePublished":"2014-04-15T16:00:31.000Z","dateModified":"2026-02-21T07:18:51.260Z","description":"New findings from a NASA space probe suggest that one of the solar system's most fertile planets may be adding offspring number 63 to its family. 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