{"id":1821,"date":"2024-09-20T10:00:18","date_gmt":"2024-09-20T08:00:18","guid":{"rendered":"https:\/\/www.telescoop.nl\/?p=1821"},"modified":"2025-12-04T09:01:35","modified_gmt":"2025-12-04T08:01:35","slug":"earth-gets-second-moon","status":"publish","type":"post","link":"https:\/\/staging.telescoop.nl\/en\/aarde-krijgt-tweede-maan\/","title":{"rendered":"Earth temporarily gets a second \u201cmoon\u201d this year"},"content":{"rendered":"
\n\t\t\t\t
\n\t\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\n
\n
<\/figure>\n<\/div>\n\n

(Main image of the earth and second moon: Robert Lea (created with Canva))<\/a><\/p>\n\n

Earth gets a second moon, what about it?<\/h2>\n

This year, Earth will temporarily gain a second \u201cmoon\u201d when a small asteroid will orbit our planet. This mini-moon will be visible starting in late September for about two months, until the end of November. It is a special phenomenon that occurs only occasionally, where an asteroid is caught by Earth's gravity and temporarily orbits our planet.<\/p>\n\n

The asteroid, named 2024 PT5<\/strong>, was discovered in August by researchers at the ATLAS program<\/strong> (Asteroid Terrestrial-impact Last Alert System), which uses instruments in South Africa to monitor asteroids. Scientists from the Universidad Complutense de Madrid<\/strong> have studied the asteroid's orbit and determined that it will orbit Earth between Sept. 29 and Nov. 25.<\/p>\n\n

What is a mini-moon?<\/h3>\n\n

A mini-moon occurs when an asteroid is temporarily held by Earth's gravity and orbits the planet. These objects usually remain in orbit for only a short time before they make their way back to the sun. There have been some mini-moons in the past, such as 2020 CD3<\/strong> and 2022 NX1<\/strong>, both of which temporarily orbited the Earth before traveling further through the solar system. Scientists speak of a \u201cgravitational capture\u201d when objects such as 2024 PT5<\/strong> be pulled into the earth's gravitational field.<\/p>\n\n

What distinguishes these mini-moons from the fixed moon is that they do not make full revolutions around the Earth like our real moon. Like 2024 PT5<\/strong>, they linger for only a short time and often move in complex orbits, such as horseshoe-shaped trajectories, before being released and continuing their journey through space.<\/p>\n\n

The orbit of 2024 PT5<\/h3>\n\n

The asteroid 2024 PT5<\/strong>, taken from the Arjuna asteroid belt<\/strong>, will move in a horseshoe-shaped orbit around our planet due to Earth's gravitational pull. This is because the asteroid negative geocentric energy<\/strong> has, meaning it remains within Earth's gravity. After 56 days, the asteroid will detach from Earth and return to its orbit around the sun. This mini-moon will not behave like a classic satellite orbiting the Earth, but rather like a \u201cshop window viewer\u201d that gets close to us without staying completely in a stable orbit.<\/p>\n\n

The term \u201cmini-moon\u201d is often used to describe objects such as 2024 PT5<\/strong> describe, but in fact they often follow a much more complex route. Instead of a perfect circular orbit, this object moves in a horseshoe shape and will never completely orbit the Earth. This makes the phenomenon of mini-moons unique and of particular interest to astronomers.<\/p>\n\n

Scientific significance<\/h3>\n\n

The phenomenon of a mini-moon such as 2024 PT5<\/strong> offers scientists the chance to better study the interactions between celestial bodies and the gravity of planets. Although these objects are usually relatively small and difficult to see, they help astronomers learn more about the dynamics of objects in our solar system. Carlos de la Fuente Marcos<\/strong>, professor at the Universidad Complutense de Madrid, explains that objects from the Arjuna asteroid belt<\/strong> are often located at small distances from Earth, with speeds as low as 3,540 mph. Under the right conditions, such as at 2024 PT5<\/strong>, they can be trapped by Earth's gravity and temporarily enter orbit.<\/p>\n\n

Although 2024 PT5<\/strong> is too small to see with the naked eye, binoculars or an ordinary telescope, the phenomenon does offer new insights for scientists. It helps to better understand the delicate balance between gravity, velocity and orbital mechanics.<\/p>\n\n

Is the mini-moon visible?<\/h3>\n\n

Unfortunately 2024 PT5<\/strong> are too small to see with the naked eye, binoculars or a standard telescope. Only with professional telescopes and specialized equipment<\/a> astronomers will be able to track this mini-moon. It is an intriguing phenomenon for scientists and space enthusiasts, but for most people, the mini-moon will remain invisible. Even after it leaves Earth's orbit, the 2024 PT5<\/strong> remain near our planet until January 2025 and then continue its journey.<\/p>\n\n

While we may not be able to observe this mini-moon, the fact that an object is temporarily \u201ccaptured\u201d by Earth is a fascinating example of how dynamic our solar system is. It reminds us how complex the interactions between celestial bodies can be and how space objects are in constant motion. 2024 PT5<\/strong> will reappear near Earth in 2055, meaning that we may witness such gravitational capture again in the future.<\/p>\n\n

Conclusion<\/h3>\n\n

Although most people 2024 PT5<\/strong> will not be able to see with their own eyes, it remains a remarkable phenomenon in astronomy. The temporary arrival of this mini-moon offers us another glimpse into the wonders of our solar system. While Earth retains its own faithful moon, the arrival of a mini-moon such as 2024 PT5<\/strong> showing us how dynamic and changing the space around us is.<\/p>\n\n

With this mini-moon, we get a brief but instructive reminder of the complexity and beauty of the universe, with small objects such as 2024 PT5<\/strong> temporarily part of our planetary environment.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

(Hoofdafbeelding van de aarde en de tweede maan: Robert Lea (gemaakt met Canva)) Aarde krijgt een tweede maan, hoe zit dat? Dit jaar zal de aarde tijdelijk een tweede “maan” krijgen, wanneer een kleine astero\u00efde rond onze planeet zal draaien. Deze mini-maan zal vanaf eind september voor ongeveer twee maanden te zien zijn, tot eind […]<\/p>\n","protected":false},"author":1,"featured_media":1822,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2985,168,2986],"tags":[305,306,307,135,308,309,310,273,186,155,311,312],"class_list":["post-1821","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-astronomie-101","category-astronomie-kenniscentrum","category-ruimtenieuws","tag-2024-pt5","tag-arjuna-asteroidengordel","tag-asteroide","tag-astronomie","tag-mini-maan","tag-mini-maan-gebeurtenis","tag-nabij-aarde-objecten","tag-ruimtevaart","tag-telescoop","tag-telescoop-kopen","tag-tweede-maan","tag-zwaartekrachtvangst"],"acf":[],"jetpack_featured_media_url":"https:\/\/staging.telescoop.nl\/wp-content\/uploads\/2024\/09\/aarde-2e-maan.png","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":11253,"url":"https:\/\/staging.telescoop.nl\/en\/asteroide-yr4\/","url_meta":{"origin":1821,"position":0},"title":"Asteroid 2024 YR4: Should we be worried?","author":"admin","date":"07-02-2025","format":false,"excerpt":"Op 27 december 2024 werd een nieuwe astero\u00efde ontdekt die in 2032 mogelijk de aarde kan treffen. De astero\u00efde, genaamd 2024 YR4, heeft een geschatte diameter tussen 40 en 90 meter en behoort tot de Apollo-groep van Near-Earth Objects (NEO\u2019s). Volgens berekeningen van NASA en ESA is er een kans\u2026","rel":"","context":"In "Astronomie 101"","block_context":{"text":"Astronomie 101","link":"https:\/\/staging.telescoop.nl\/en\/astronomie-kenniscentrum\/astronomie-101\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/01\/Celestron-Dobson-telescope-N-76-300-FirstScope-DOB-2.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/01\/Celestron-Dobson-telescope-N-76-300-FirstScope-DOB-2.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/01\/Celestron-Dobson-telescope-N-76-300-FirstScope-DOB-2.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/01\/Celestron-Dobson-telescope-N-76-300-FirstScope-DOB-2.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/01\/Celestron-Dobson-telescope-N-76-300-FirstScope-DOB-2.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/01\/Celestron-Dobson-telescope-N-76-300-FirstScope-DOB-2.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":12492,"url":"https:\/\/staging.telescoop.nl\/en\/foto-aarde\/","url_meta":{"origin":1821,"position":1},"title":"Photo Earth: a unique look at our planet","author":"Info telescoop","date":"28-02-2025","format":false,"excerpt":"Een foto aarde die geschiedenis schrijft Een foto aarde gemaakt vanuit de ruimte biedt een perspectief dat ons dagelijks zicht op de wereld overstijgt. Sinds de eerste opnames van de aarde door ruimtevaartuigen hebben deze beelden ons niet alleen ge\u00efnspireerd, maar ook cruciale inzichten gegeven over onze planeet en haar\u2026","rel":"","context":"In "Astronomie Kenniscentrum"","block_context":{"text":"Astronomie Kenniscentrum","link":"https:\/\/staging.telescoop.nl\/en\/astronomie-kenniscentrum\/astronomie-kenniscentrum\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/02\/AthenaEarth.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/02\/AthenaEarth.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/02\/AthenaEarth.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/02\/AthenaEarth.png?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/02\/AthenaEarth.png?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/02\/AthenaEarth.png?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":14155,"url":"https:\/\/staging.telescoop.nl\/en\/voorwaarden-voor-buitenaards-leven\/","url_meta":{"origin":1821,"position":2},"title":"Conditions for extraterrestrial life: what do science and latest discoveries say?","author":"Info telescoop","date":"17-05-2025","format":false,"excerpt":"Het universum is enorm \u2014 alleen al in onze Melkweg zijn er naar schatting meer dan 100 miljard sterren. Dat roept een fascinerende vraag op: wat zijn de voorwaarden voor buitenaards leven? In deze blog duiken we in de nieuwste inzichten van astronomen en astrobiologen, en leggen we uit welke\u2026","rel":"","context":"In "Astronomie Kenniscentrum"","block_context":{"text":"Astronomie Kenniscentrum","link":"https:\/\/staging.telescoop.nl\/en\/astronomie-kenniscentrum\/astronomie-kenniscentrum\/"},"img":{"alt_text":"voorwaarden voor buitenaards leven","src":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/04\/pexels-spacex-586030.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/04\/pexels-spacex-586030.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/04\/pexels-spacex-586030.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/04\/pexels-spacex-586030.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/04\/pexels-spacex-586030.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":8323,"url":"https:\/\/staging.telescoop.nl\/en\/hoe-oud-is-de-aarde\/","url_meta":{"origin":1821,"position":3},"title":"How old is the earth, our planet really?","author":"admin","date":"21-12-2024","format":false,"excerpt":"Stel je voor: je graaft in je tuin en vindt een steen. Hoe oud denk je dat die is? Honderd jaar? Duizend? Wat als die steen ouder is dan het oudste boek, het oudste dier \u2013 zelfs ouder dan de bergen? Dat roept een grotere vraag op: hoe oud is\u2026","rel":"","context":"In "Astronomie Kenniscentrum"","block_context":{"text":"Astronomie Kenniscentrum","link":"https:\/\/staging.telescoop.nl\/en\/astronomie-kenniscentrum\/astronomie-kenniscentrum\/"},"img":{"alt_text":"hoe oud is de aarde eigenlijk","src":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2024\/05\/500px-The_Earth_seen_from_Apollo_17.webp?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":14648,"url":"https:\/\/staging.telescoop.nl\/en\/is-de-maan-een-planeet\/","url_meta":{"origin":1821,"position":4},"title":"Is the Moon a planet?","author":"Info telescoop","date":"12-06-2025","format":false,"excerpt":"De vraag \u201cIs de Maan een planeet?\u201d wordt verrassend vaak gesteld. Zeker door kinderen, maar ook door volwassenen die net beginnen met sterrenkunde. En het is begrijpelijk: de Maan is rond, heeft een oppervlak vol kraters, en draait aan de hemel zoals een planeet dat zou doen. Toch is het\u2026","rel":"","context":"In "Astronomie Kenniscentrum"","block_context":{"text":"Astronomie Kenniscentrum","link":"https:\/\/staging.telescoop.nl\/en\/astronomie-kenniscentrum\/astronomie-kenniscentrum\/"},"img":{"alt_text":"is de maan een planeet","src":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/02\/the-moon-with-Vespera-Pro-scaled-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/02\/the-moon-with-Vespera-Pro-scaled-1.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/02\/the-moon-with-Vespera-Pro-scaled-1.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/02\/the-moon-with-Vespera-Pro-scaled-1.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/02\/the-moon-with-Vespera-Pro-scaled-1.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/02\/the-moon-with-Vespera-Pro-scaled-1.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":8320,"url":"https:\/\/staging.telescoop.nl\/en\/de-magie-van-de-geminiden-het-hoogtepunt-van-de-meteorenzwerm-op-13-december\/","url_meta":{"origin":1821,"position":5},"title":"The magic of the Geminids: The peak of the meteor swarm on Dec. 13","author":"admin","date":"13-12-2024","format":false,"excerpt":"De koude nachten van december brengen een van de meest spectaculaire natuurverschijnselen met zich mee: de Geminiden-meteorenzwerm. Elk jaar rond midden december verlichten honderden vallende sterren de hemel, en vanavond, op 13 december, bereikt deze indrukwekkende zwerm zijn hoogtepunt. Het is h\u00e9t moment om je telescoop, warme kleding en een\u2026","rel":"","context":"In "Astronomie 101"","block_context":{"text":"Astronomie 101","link":"https:\/\/staging.telescoop.nl\/en\/astronomie-kenniscentrum\/astronomie-101\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2024\/12\/image-1.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2024\/12\/image-1.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2024\/12\/image-1.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2024\/12\/image-1.png?resize=700%2C400&ssl=1 2x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/posts\/1821","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/comments?post=1821"}],"version-history":[{"count":4,"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/posts\/1821\/revisions"}],"predecessor-version":[{"id":91047,"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/posts\/1821\/revisions\/91047"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/media\/1822"}],"wp:attachment":[{"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/media?parent=1821"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/categories?post=1821"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/tags?post=1821"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}