<p>In the sentence:<br>
&quot;We added a Keplerian model with P = 120.713 days, m = 14.629M<sub>⊕</sub>, e = 0.0448, ω = 251.36°, and MA=216.88° plus Gaussian noise with rms=5.9696 ms<sup>-1</sup>.&quot;<br>
<br>
P is the orbital period, e the eccentricity,... But what is MA? I'm guessing its the mean anomaly, but the mean anomaly is a time-dependent variable which (for my understanding) does not make sense in this context...</p>
<p>Quote is from <a href="https://iopscience.iop.org/article/10.1088/0004-637X/719/1/890" rel="nofollow noreferrer">https://iopscience.iop.org/article/10.1088/0004-637X/719/1/890</a> (page 24).</p>

<orbital-elements>
For what parameter does the abbreviation MA stand for?
Laila
# For what parameter does the abbreviation MA stand for?

(Asked by: username_0 on 2020-08-13)

In the sentence:  
"We added a Keplerian model with P = 120.713 days, m = 14.629M⊕, e = 0.0448, ω = 251.36°, and MA=216.88° plus Gaussian noise with rms=5.9696 ms-1."  
  
P is the orbital period, e the eccentricity,... But what is MA? I'm guessing its the mean anomaly, but the mean anomaly is a time-dependent variable which (for my understanding) does not make sense in this context...

Quote is from <https://iopscience.iop.org/article/10.1088/0004-637X/719/1/890> (page 24).

**Tags:** orbital-elements

---

## 0 answers

