Table 5
Impact of uncertainties of stellar orbital data on the previous K2 orbit elements obtained from three different simulations.
| Simulation | |||
|---|---|---|---|
| series | K2-prev-C | K2-prev-D | K2-prev-E |
| qprev (au) | 407.1–ł47.6–489.1 | 5.299–147.3–1064. | 5.163–144.0–1065. |
| 1/aprev (10−6 au−1) | 34.69–35.03–35.27 | 34.42–35.07–35.16 | 31.65–34.82–38.02 |
| Pprev (Myr) | 4.82 | 4.81 | 4.86 |
Notes. For K2-prev-C we used the nominal K2 orbit and 10 000 clones of P0509. In K2-prev-D, a similar model was used but with 10 000 clones of P0230. K2-prev-E consisted of 10 000 pairs: one P0230 clone and a random K2 clone from our set of 5001 ones. Full Galactic potential and all remaining stars on their nominal tracks were taken into account. All these numerical experiments were based on the “a9” orbital solution of K2.
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