The authors apologise that within the above article, Marath, N., & Subramanian, G. (2018), the image used for figure 5b was incorrect.
The correct image is as below:
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20221006183127033-0685:S0022112022008035:S0022112022008035_fig5b.png?pub-status=live)
Figure 5. (b) The orbital drift is plotted against C/(C + 1) for an oblate spheroid of aspect ratio 0.1 for various values of λ. The drift does not change sign for an oblate spheroid.