orbit inference

I was out sick today, but in my bit of work time, Lang and I worked on fitting orbits for our Comet Holmes project. In general, fitting orbits blindly (that is, without a good first guess) is extremely difficult. We are working without having read the relevant literature; I think we may have to read something. Our MCMC works well, but our first guess is terrible.

In other news, Bovy and Murray and I finished the submittable version of our Solar System paper. Bovy submitted it to The Astrophysical Journal today.

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