<p>Here you can find a list of <a href="http://en.wikipedia.org/wiki/List_of_natural_satellites">all the natural satellites in our Solar System</a>. You can check one by one (good luck!) OR you can check <a href="http://nineplanets.org/data1.html">this webpage</a>, and just add the terms.</p>

<p>Please, keep in mind that the latter website is kind of unknown, so double-check at least some of the masses, before to trust it.</p>

<p>Perhaps, you can cross check with <a href="http://www.windows2universe.org/our_solar_system/moons_table.html">this list</a> as well, and see if other parameters (size, distance, etc.) agree.</p>

CC BY-SA 3.0
2014-06-18T04:24:02.493Z
Py-ser missed this page (http://en.wikipedia.org/wiki/List_of_Solar_System_objects_by_size). It lists the object with the mass, so it is easier to get the information you want. BTW, you would only need to go down to about 200 km in size since the mass of such small objects would account to less than 0.1% of the total.
LDC3
CC BY-SA 3.0
2014-06-18T05:52:37.290Z
Definitely the better way to do it! Thanks
Py-ser
CC BY-SA 3.0
2014-06-18T12:21:54.313Z
The page LDC3 links to has a pie chart. Luna plus Io form close to a 90º wedge or quarter slice. So I'd guesstimate 4 * (8.9e22 + 7.3e22) kg. That comes to about 6.5e23 kg. The earth is about 6e24 kg. So it looks the moons total a little more than a tenth earth mass.
HopDavid
CC BY-SA 3.0
2014-06-18T01:58:27.080Z
2014-06-18T01:58:27.080Z
Py-ser
<p>Really not sure why this question still hasn't been answered, as it is very intriguing.</p>
<p>Adding up the masses of all 19 rounded moons* from Ganymede to Mimas as listed by <a href="https://en.wikipedia.org/wiki/List_of_Solar_System_objects_by_size" rel="noreferrer">this Wikipedia page</a>, the total mass comes out to <span class="math-container">$639.10239 \times 10^{21} \text{kg}$</span>, which is <em>just</em> under Mars' mass of <span class="math-container">$641.7 \times 10^{21} \text{kg}$</span>.</p>
<p>The margin of error for the moons' masses likely pushes this figure up, so it's fair to say the total mass of the moons in the Solar System is <em>about</em> the mass of Mars, and leave it at that.</p>
<p>Here's a pie chart showing the relative share of each moon's mass to the total value; the Galilean moons make up <span class="math-container">$61\%$</span> of the total mass, and adding Titan, Triton, and the Moon to the mix pushes the figure up to over <span class="math-container">$95\%$</span>.</p>
<p><a href="https://i.sstatic.net/F976L.png" rel="noreferrer"><img src="https://i.sstatic.net/F976L.png" alt="enter image description here" /></a></p>
<p><sub>*The masses of the non-rounded moons are more or less negligible, and the moons of dwarf planets other than Pluto (e.g. Dysnomia) weren't taken into account as their mass is highly uncertain.</sub></p>

CC BY-SA 4.0
2024-01-24T18:37:39.270Z
2024-01-24T18:37:39.270Z
user267545
<p>I'm looking for the total mass of the moons in the solar system in Earth Mass
this would be include the 67's moons of jupiter, the 62's of saturn, the 27's Uranus and the 14's for Neptune.</p>

<p>it's a crazy question I know, if you have some list of the object with mass in same range i can make the addition ^^</p>

CC BY-SA 3.0
2014-06-18T01:54:18.707Z
Why -1? Jeez, people, this is hysteria.
Py-ser
CC BY-SA 3.0
2014-06-18T02:02:29.767Z
I think "solar" is the wrong term here.
TheBluegrassMathematician
CC BY-SA 3.0
2014-06-18T02:22:11.360Z
You can edit the question, or propose an edit, and this will improve the quality.
Py-ser
CC BY-SA 3.0
2014-06-18T12:34:49.103Z
I like this question -- it might come up in discussions on limits to growth. How much resources are available in our solar system? Possible resource bodies might include all the moons, the asteroids, and KBOs. A +1 from me.
HopDavid
<solar-system><mass><natural-satellites>
Sum of the Masses of All Moons in the Solar System
Jeremy Talus
# Sum of the Masses of All Moons in the Solar System

(Asked by: username_0 on 2014-06-17)

I'm looking for the total mass of the moons in the solar system in Earth Mass
this would be include the 67's moons of jupiter, the 62's of saturn, the 27's Uranus and the 14's for Neptune.

it's a crazy question I know, if you have some list of the object with mass in same range i can make the addition ^^

**Tags:** solar-system, mass, natural-satellites

> **Comments:**
> **username_1**: Why -1? Jeez, people, this is hysteria.  
> **username_2**: I think "solar" is the wrong term here.  
> **username_1**: You can edit the question, or propose an edit, and this will improve the quality.  
> **username_3**: I like this question -- it might come up in discussions on limits to growth. How much resources are available in our solar system? Possible resource bodies might include all the moons, the asteroids, and KBOs. A +1 from me.  

---

## 2 answers

### Answer by username_1 on 2014-06-18. Score: 6

Here you can find a list of [all the natural satellites in our Solar System](http://en.wikipedia.org/wiki/List_of_natural_satellites). You can check one by one (good luck!) OR you can check [this webpage](http://nineplanets.org/data1.html), and just add the terms.

Please, keep in mind that the latter website is kind of unknown, so double-check at least some of the masses, before to trust it.

Perhaps, you can cross check with [this list](http://www.windows2universe.org/our_solar_system/moons_table.html) as well, and see if other parameters (size, distance, etc.) agree.

> **Comments:**
> **username_4**: username_1 missed this page (http://en.wikipedia.org/wiki/List_of_Solar_System_objects_by_size). It lists the object with the mass, so it is easier to get the information you want. BTW, you would only need to go down to about 200 km in size since the mass of such small objects would account to less than 0.1% of the total.  
> **username_1**: Definitely the better way to do it! Thanks  
> **username_3**: The page username_4 links to has a pie chart. Luna plus Io form close to a 90º wedge or quarter slice. So I'd guesstimate 4 * (8.9e22 + 7.3e22) kg. That comes to about 6.5e23 kg. The earth is about 6e24 kg. So it looks the moons total a little more than a tenth earth mass.  

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### Answer by username_5 on 2024-01-24. Score: 5

Really not sure why this question still hasn't been answered, as it is very intriguing.

Adding up the masses of all 19 rounded moons\* from Ganymede to Mimas as listed by [this Wikipedia page](https://en.wikipedia.org/wiki/List_of_Solar_System_objects_by_size), the total mass comes out to $639.10239 \times 10^{21} \text{kg}$, which is *just* under Mars' mass of $641.7 \times 10^{21} \text{kg}$.

The margin of error for the moons' masses likely pushes this figure up, so it's fair to say the total mass of the moons in the Solar System is *about* the mass of Mars, and leave it at that.

Here's a pie chart showing the relative share of each moon's mass to the total value; the Galilean moons make up $61\%$ of the total mass, and adding Titan, Triton, and the Moon to the mix pushes the figure up to over $95\%$.

[![enter image description here](https://i.sstatic.net/F976L.png)](https://i.sstatic.net/F976L.png)

\*The masses of the non-rounded moons are more or less negligible, and the moons of dwarf planets other than Pluto (e.g. Dysnomia) weren't taken into account as their mass is highly uncertain.


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