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Table 2.
Original and future barycentric orbits of K2 at 250 au from the Sun, that is, before entering and after leaving the planetary zone, respectively.
| Solution A1 | Solution A0 | |||
|---|---|---|---|---|
| Original orbit | Future orbit | Original orbit | Future orbit | |
| Perihelion distance [au] | 1.79551272 ± 0.00005475 | 1.79335881 ± 0.00005584 | 1.79546949 ± 0.00006519 | 1.79331479 ± 0.00006646 |
| Eccentricity | 0.99991296 ± 0.00001423 | 0.99795491 ± 0.00001431 | 0.99990416 ± 0.00001821 | 0.99794611 ± 0.00001833 |
| Inverse of the semimajor axis | 48.48 ± 7.93 | 1140.4 ± 8.0 | 53.38 ± 10.15 | 1145.3 ± 10.3 |
| Time of perihelion passage [TT] | 2022 12 18.855081 ± 0.029861 | 2022 12 19.872785 ± 0.030085 | 2022 12 18.862555 ± 0.041019 | 2022 12 19.880427 ± 0.041289 |
| Inclination | 87.573197 ± 0.000023 | 87.789103 ± 0.000017 | 87.573129 ± 0.000045 | 87.789042 ± 0.000042 |
| Argument of perihelion | 236.214199 ± 0.001702 | 236.051977 ± 0.001691 | 236.215269 ± 0.002075 | 236.053032 ± 0.002063 |
| Longitude of the ascending node | 88.086028 ± 0.000236 | 88.254521 ± 0.000240 | 88.086450 ± 0.000460 | 88.254950 ± 0.000464 |
| Epoch of osculation [TT] | 1722 10 20 | 2336 07 13 | 1722 10 20 | 2336 08 22 |
Notes. Inverse semimajor axis values are in units of 10−6 au−1, and angular orbital elements are given in degrees.
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