<p>I need to convert the Keplerian orbital elements to the equinoctial elements and then use the converted elements"equinoctial" in the function "d" below. To do this, first, I converted the Keplerian elements to equinoctial elements (a,h,k,p,q,lamda)  using the formula in the attached picture, BUT I need to know what is the equinoctial elements that correspond to each of e,i,w,omega so that I can replace each keplerian elements in the function "d" with the equinoctial element.</p>

<p>d= Sin[omega]* Cos[w]2 +[w] + Cos[omega] <em>Cos[i]</em> Sin[w - Omega]</p>

<p><a href="https://i.sstatic.net/UCBzr.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/UCBzr.png" alt="enter image description here"></a></p>

CC BY-SA 4.0
2018-12-31T15:19:59.443Z
Formulas can be written in MathJax for better readability. Here's a tutorial about it: https://math.meta.stackexchange.com/questions/5020/mathjax-basic-tutorial-and-quick-reference
aventurin
CC BY-SA 4.0
2018-12-31T15:48:17.840Z
Are you sure that the $w$ summand in the middle is correct? Also, are there variables $w$, $omega$, and $Omega$?
aventurin
CC BY-SA 4.0
2018-12-31T18:09:52.760Z
Its not very clear what you want.  Perhaps you want to calculate the keplerian elements from a, h, k, p q and lambda
James K
<orbit><orbital-mechanics><orbital-elements>
How to convert a function of keplerian elements to a function of equinoctial elements?
Ery
# How to convert a function of keplerian elements to a function of equinoctial elements?

(Asked by: username_0 on 2018-12-31)

I need to convert the Keplerian orbital elements to the equinoctial elements and then use the converted elements"equinoctial" in the function "d" below. To do this, first, I converted the Keplerian elements to equinoctial elements (a,h,k,p,q,lamda) using the formula in the attached picture, BUT I need to know what is the equinoctial elements that correspond to each of e,i,w,omega so that I can replace each keplerian elements in the function "d" with the equinoctial element.

d= Sin[omega]\* Cos[w]2 +[w] + Cos[omega] *Cos[i]* Sin[w - Omega]

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

**Tags:** orbit, orbital-mechanics, orbital-elements

> **Comments:**
> **username_1**: Formulas can be written in MathJax for better readability. Here's a tutorial about it: https://math.meta.stackexchange.com/questions/5020/mathjax-basic-tutorial-and-quick-reference  
> **username_1**: Are you sure that the $w$ summand in the middle is correct? Also, are there variables $w$, $omega$, and $Omega$?  
> **username_2**: Its not very clear what you want.  Perhaps you want to calculate the keplerian elements from a, h, k, p q and lambda  

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## 0 answers

