{"id":63640,"date":"2024-09-09T10:30:05","date_gmt":"2024-09-09T10:30:05","guid":{"rendered":"http:\/\/1542875d-785a-4903-af0a-18e36f43f082"},"modified":"2024-09-09T10:39:44","modified_gmt":"2024-09-09T10:39:44","slug":"a-year-on-neptune-is-twice-as-long-as-a-human-life-how-long-is-a-year-on-each-solar-system-planet","status":"publish","type":"rss_feed","link":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/rss_feed\/a-year-on-neptune-is-twice-as-long-as-a-human-life-how-long-is-a-year-on-each-solar-system-planet\/","title":{"rendered":"A year on Neptune is twice as long as a human life. How long is a year on each Solar System planet?"},"content":{"rendered":"

<\/p>

By <\/p>

Published: Monday, 09 September 2024 at 10:30 AM<\/p>

\n\n

As we\u2019re absolutely sure you know, a year on Earth is around 365.25 days, because that\u2019s now long it takes for Earth to make one complete orbit around the Sun<\/a>.<\/p>

Although, for ease of use on a day-to-day basis, we call it 365 days a year and throw in an extra day every four years to balance things out (which is why there are 29 days in February during a leap year<\/a>).<\/p>

But Earth is, of course, just one of eight planets that make up our Solar System<\/a>.<\/p>

Illustration of the planets of the Solar System. Credit: Steve Allen \/ Getty Images<\/figcaption><\/figure>
Each planet orbits the Sun at a different distance (with a corresponding variation in the total distance they travel around the Sun), and with each one of them having a different orbital velocity.<\/p>
Naturally, then, it takes each planet a different amount of time to orbit the Sun, which means that how long a ‘year’ lasts varies considerably from planet to planet.<\/p>
So while our neighbour Mars has a day<\/a> roughly the same length as an Earth day, a Martian year is nearly twice as long.<\/p>
And more distant planets like Uranus and Neptune have huge orbits and much longer years than we do on Earth.<\/p>
$\"NASA$
NASA sunrise on Mars image captured by the Phoenix lander on 25 August 2008. A year on Mars lasts 687 days. Credit: NASA\/JPL-Caltech\/University of Arizona\/Texas A&M University<\/figcaption><\/figure>
Given the length of year is dependent upon the planet’s orbit around the Sun, it should come as no surprise to learn that Mercury has the shortest year of the Solar System planets (88 days), while Neptune has the longest (60,190).<\/p>
That means Neptune has a year much longer than a human life.<\/p>
Here is a list of how long a year lasts on each planet, measured in Earth days\u2026<\/p>
$\"A$
A year on Neptune is 60,190 days: much longer than a human life. Credit: NASA\/JPL-Caltech<\/figcaption><\/figure>
Mercury<\/strong><\/h2>
Mercury<\/strong> has an orbit measuring 360,010,253km (223,700,000mi), and an orbital velocity of 47.9\u00a0km\/s (29.8\u00a0mi\/s). This means a year on Mercury lasts just **88 days<\/strong>.<\/p>**
Venus<\/strong><\/h2>
Venus<\/strong> has an orbit that measures 679,947,840km (422,500,000mi), and an orbital velocity of 35.0\u00a0km\/s (21.7\u00a0mi\/s). So a year on Venus clocks in at **225 days<\/strong>.<\/p>**
Earth<\/strong><\/h2>
Earth<\/strong>\u2019s own years, of course, last for **365 days<\/strong>. Just for comparison\u2019s sake, that\u2019s the result of Earth having an orbit of 939,856,896km (584,000,000mi) and an orbital velocity of 29.8\u00a0km\/s (18.5\u00a0mi\/s).<\/p>**
Mars<\/strong><\/h2>
Mars<\/strong> has an orbit of 1,429,097,472km (888,000,000mi), and an orbital velocity of 24.1\u00a0km\/s (15.0\u00a0mi\/s). That means a year on Mars lasts for **687 days<\/strong>.<\/p>**
Jupiter<\/strong><\/h2>
Jupiter<\/strong>\u2019s orbit measures 4,887,577,728km (3,037,000,000mi), and the planet orbits the Sun at a speed of 13.1\u00a0km\/s (8.1\u00a0mi\/s). That works out to a year that lasts a little under 12 Earth years, or **4,333 days<\/strong> to be precise.<\/p>**
Saturn<\/strong><\/h2>
Saturn<\/strong> has an orbit measuring 8,957,447,700km (5,565,900,000mi), and an orbital velocity of 9.7\u00a0km\/s (6.0\u00a0mi\/s). Crunch the numbers and you get a year of **10,759 days<\/strong>, or just under 29.5 Earth years.<\/p>**
Uranus<\/strong><\/h2>
Uranus<\/strong> has an orbit that measures 18,026,744,947km (11,201,300,000 mi), and an orbital speed of 6.8\u00a0km\/s (4.2\u00a0mi\/s). So a year on Uranus lasts for **30,687 days<\/strong>, or just over 84 Earth years.<\/p>**
Neptune<\/strong><\/h2>
Neptune <\/strong>has an orbit of 28,263,782,131km (17,562,300,000mi), and crawls around the Sun at a meagre 5.4\u00a0km\/s (3.4\u00a0mi\/s). Which is why it takes a whopping **60,190 days<\/strong> to make a full orbit \u2013 or nearly 165 Earth years.<\/p>**
Solar System planet years in brief<\/strong><\/h2>
**Mercury:<\/strong> 88 days<\/li>**
**Venus:<\/strong> 225 days<\/li>**
**Earth:<\/strong> 365 days<\/li>**
**Mars:<\/strong> 687 days<\/li>**
**Jupiter:<\/strong> 4,333 days<\/li>**
**Saturn:<\/strong> 10,759 days<\/li>**
**Uranus:<\/strong> 30,687 days<\/li>**
Neptune:<\/strong> 60,190 days<\/li><\/ul> <\/body><\/html>\n
","protected":false},"excerpt":{"rendered":"
By Published: Monday, 09 September 2024 at 10:30 AM As we\u2019re absolutely sure you know, a year on Earth is around 365.25 days, because that\u2019s now long it takes for Earth to make one complete orbit around the Sun. Although, for ease of use on a day-to-day basis, we call it 365 days a year […]<\/p>\n","protected":false},"author":24,"featured_media":63641,"template":"","categories":[1],"acf":{"readingTimeMinutes":"3"},"uagb_featured_image_src":{"full":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/09\/a-year-on-neptune-is-twice-as-long-as-a-human-life-how-long-is-a-year-on-each-solar-system-planet.jpg",1200,800,false],"thumbnail":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/09\/a-year-on-neptune-is-twice-as-long-as-a-human-life-how-long-is-a-year-on-each-solar-system-planet-150x150.jpg",150,150,true],"medium":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/09\/a-year-on-neptune-is-twice-as-long-as-a-human-life-how-long-is-a-year-on-each-solar-system-planet-300x200.jpg",300,200,true],"medium_large":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/09\/a-year-on-neptune-is-twice-as-long-as-a-human-life-how-long-is-a-year-on-each-solar-system-planet-768x512.jpg",768,512,true],"large":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/09\/a-year-on-neptune-is-twice-as-long-as-a-human-life-how-long-is-a-year-on-each-solar-system-planet-1024x683.jpg",800,534,true],"1536x1536":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/09\/a-year-on-neptune-is-twice-as-long-as-a-human-life-how-long-is-a-year-on-each-solar-system-planet.jpg",1200,800,false],"2048x2048":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/09\/a-year-on-neptune-is-twice-as-long-as-a-human-life-how-long-is-a-year-on-each-solar-system-planet.jpg",1200,800,false]},"uagb_author_info":{"display_name":"importmanagerhub@sprylab.com","author_link":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/author\/importmanagerhubsprylab-com\/"},"uagb_comment_info":0,"uagb_excerpt":"By Published: Monday, 09 September 2024 at 10:30 AM As we\u2019re absolutely sure you know, a year on Earth is around 365.25 days, because that\u2019s now long it takes for Earth to make one complete orbit around the Sun. Although, for ease of use on a day-to-day basis, we call it 365 days a year…","_links":{"self":[{"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/rss_feed\/63640"}],"collection":[{"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/rss_feed"}],"about":[{"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/types\/rss_feed"}],"author":[{"embeddable":true,"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/users\/24"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/media\/63641"}],"wp:attachment":[{"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/media?parent=63640"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/categories?post=63640"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

Illustration of the planets of the Solar System. Credit: Steve Allen \/ Getty Images<\/figcaption><\/figure>
Each planet orbits the Sun at a different distance (with a corresponding variation in the total distance they travel around the Sun), and with each one of them having a different orbital velocity.<\/p>
Naturally, then, it takes each planet a different amount of time to orbit the Sun, which means that how long a ‘year’ lasts varies considerably from planet to planet.<\/p>
So while our neighbour Mars has a day<\/a> roughly the same length as an Earth day, a Martian year is nearly twice as long.<\/p>
And more distant planets like Uranus and Neptune have huge orbits and much longer years than we do on Earth.<\/p>
$\"NASA$
NASA sunrise on Mars image captured by the Phoenix lander on 25 August 2008. A year on Mars lasts 687 days. Credit: NASA\/JPL-Caltech\/University of Arizona\/Texas A&M University<\/figcaption><\/figure>
Given the length of year is dependent upon the planet’s orbit around the Sun, it should come as no surprise to learn that Mercury has the shortest year of the Solar System planets (88 days), while Neptune has the longest (60,190).<\/p>
That means Neptune has a year much longer than a human life.<\/p>
Here is a list of how long a year lasts on each planet, measured in Earth days\u2026<\/p>
$\"A$
A year on Neptune is 60,190 days: much longer than a human life. Credit: NASA\/JPL-Caltech<\/figcaption><\/figure>
Mercury<\/strong><\/h2>
Mercury<\/strong> has an orbit measuring 360,010,253km (223,700,000mi), and an orbital velocity of 47.9\u00a0km\/s (29.8\u00a0mi\/s). This means a year on Mercury lasts just **88 days<\/strong>.<\/p>**
Venus<\/strong><\/h2>
Venus<\/strong> has an orbit that measures 679,947,840km (422,500,000mi), and an orbital velocity of 35.0\u00a0km\/s (21.7\u00a0mi\/s). So a year on Venus clocks in at **225 days<\/strong>.<\/p>**
Earth<\/strong><\/h2>
Earth<\/strong>\u2019s own years, of course, last for **365 days<\/strong>. Just for comparison\u2019s sake, that\u2019s the result of Earth having an orbit of 939,856,896km (584,000,000mi) and an orbital velocity of 29.8\u00a0km\/s (18.5\u00a0mi\/s).<\/p>**
Mars<\/strong><\/h2>
Mars<\/strong> has an orbit of 1,429,097,472km (888,000,000mi), and an orbital velocity of 24.1\u00a0km\/s (15.0\u00a0mi\/s). That means a year on Mars lasts for **687 days<\/strong>.<\/p>**
Jupiter<\/strong><\/h2>
Jupiter<\/strong>\u2019s orbit measures 4,887,577,728km (3,037,000,000mi), and the planet orbits the Sun at a speed of 13.1\u00a0km\/s (8.1\u00a0mi\/s). That works out to a year that lasts a little under 12 Earth years, or **4,333 days<\/strong> to be precise.<\/p>**
Saturn<\/strong><\/h2>
Saturn<\/strong> has an orbit measuring 8,957,447,700km (5,565,900,000mi), and an orbital velocity of 9.7\u00a0km\/s (6.0\u00a0mi\/s). Crunch the numbers and you get a year of **10,759 days<\/strong>, or just under 29.5 Earth years.<\/p>**
Uranus<\/strong><\/h2>
Uranus<\/strong> has an orbit that measures 18,026,744,947km (11,201,300,000 mi), and an orbital speed of 6.8\u00a0km\/s (4.2\u00a0mi\/s). So a year on Uranus lasts for **30,687 days<\/strong>, or just over 84 Earth years.<\/p>**
Neptune<\/strong><\/h2>
Neptune <\/strong>has an orbit of 28,263,782,131km (17,562,300,000mi), and crawls around the Sun at a meagre 5.4\u00a0km\/s (3.4\u00a0mi\/s). Which is why it takes a whopping **60,190 days<\/strong> to make a full orbit \u2013 or nearly 165 Earth years.<\/p>**
Solar System planet years in brief<\/strong><\/h2>
**Mercury:<\/strong> 88 days<\/li>**
**Venus:<\/strong> 225 days<\/li>**
**Earth:<\/strong> 365 days<\/li>**
**Mars:<\/strong> 687 days<\/li>**
**Jupiter:<\/strong> 4,333 days<\/li>**
**Saturn:<\/strong> 10,759 days<\/li>**
**Uranus:<\/strong> 30,687 days<\/li>**
Neptune:<\/strong> 60,190 days<\/li><\/ul> <\/body><\/html>\n
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By Published: Monday, 09 September 2024 at 10:30 AM As we\u2019re absolutely sure you know, a year on Earth is around 365.25 days, because that\u2019s now long it takes for Earth to make one complete orbit around the Sun. Although, for ease of use on a day-to-day basis, we call it 365 days a year […]<\/p>\n","protected":false},"author":24,"featured_media":63641,"template":"","categories":[1],"acf":{"readingTimeMinutes":"3"},"uagb_featured_image_src":{"full":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/09\/a-year-on-neptune-is-twice-as-long-as-a-human-life-how-long-is-a-year-on-each-solar-system-planet.jpg",1200,800,false],"thumbnail":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/09\/a-year-on-neptune-is-twice-as-long-as-a-human-life-how-long-is-a-year-on-each-solar-system-planet-150x150.jpg",150,150,true],"medium":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/09\/a-year-on-neptune-is-twice-as-long-as-a-human-life-how-long-is-a-year-on-each-solar-system-planet-300x200.jpg",300,200,true],"medium_large":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/09\/a-year-on-neptune-is-twice-as-long-as-a-human-life-how-long-is-a-year-on-each-solar-system-planet-768x512.jpg",768,512,true],"large":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/09\/a-year-on-neptune-is-twice-as-long-as-a-human-life-how-long-is-a-year-on-each-solar-system-planet-1024x683.jpg",800,534,true],"1536x1536":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/09\/a-year-on-neptune-is-twice-as-long-as-a-human-life-how-long-is-a-year-on-each-solar-system-planet.jpg",1200,800,false],"2048x2048":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/09\/a-year-on-neptune-is-twice-as-long-as-a-human-life-how-long-is-a-year-on-each-solar-system-planet.jpg",1200,800,false]},"uagb_author_info":{"display_name":"importmanagerhub@sprylab.com","author_link":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/author\/importmanagerhubsprylab-com\/"},"uagb_comment_info":0,"uagb_excerpt":"By Published: Monday, 09 September 2024 at 10:30 AM As we\u2019re absolutely sure you know, a year on Earth is around 365.25 days, because that\u2019s now long it takes for Earth to make one complete orbit around the Sun. Although, for ease of use on a day-to-day basis, we call it 365 days a year…","_links":{"self":[{"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/rss_feed\/63640"}],"collection":[{"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/rss_feed"}],"about":[{"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/types\/rss_feed"}],"author":[{"embeddable":true,"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/users\/24"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/media\/63641"}],"wp:attachment":[{"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/media?parent=63640"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/categories?post=63640"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}