<p><a href="http://ssd.jpl.nasa.gov/horizons.cgi" rel="noreferrer">Horizons Ephemeris Generator</a></p>

<p>Here is a screen capture where vector option is chosen:</p>

<p><img src="https://i.sstatic.net/03hkS.png" alt="enter image description here"></p>

CC BY-SA 3.0
2015-07-14T05:11:32.330Z
2015-07-14T05:11:32.330Z
HopDavid
<p>Is there freely available and reliable source, where one can find positions of planets and moons of the Solar system at given time in cartesian coordinates? (I am writing a simple gravity simulator and it would save me a lot of work with conversion.)</p>

<solar-system><planet><data-analysis>
Planets and moons positions in cartesian coordinates?
Irigi
# Planets and moons positions in cartesian coordinates?

(Asked by: username_0 on 2015-07-13)

Is there freely available and reliable source, where one can find positions of planets and moons of the Solar system at given time in cartesian coordinates? (I am writing a simple gravity simulator and it would save me a lot of work with conversion.)

**Tags:** solar-system, planet, data-analysis


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## 1 answers

### Answer by username_1 on 2015-07-14. Score: 6 | Accepted answer

[Horizons Ephemeris Generator](http://ssd.jpl.nasa.gov/horizons.cgi)

Here is a screen capture where vector option is chosen:

![enter image description here](https://i.sstatic.net/03hkS.png)


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