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Table B.1
Original barycentric orbits of C/2017 K2 at 250 au from the Sun, which were used as the starting orbit for the dynamical evolution discussed in this paper.
| Solution | a6 | c5 | b5 |
|---|---|---|---|
| time of perihelion passage TT = 2022 | 12 18.803948 ± 0.000814 | 12 18.793820 ± 0.002840 | 12 18.814958 ± 0.000210 |
| perihelion distance [au] | 1.79565692 ± 0.00000240 | 1.79558257 ± 0.00000609 | 1.79561076 ± 0.00000124 |
| Eccentricity | 0.99994071 ± .00000082 | 0.99993541 ± 0.00000163 | 0.99992319 ± 0.00000041 |
| inverse of the semimajor axis [10−6 au−1] | 33.02 ± 0.45 | 35.97 ± 0.97 | 42.78 ± 0.23 |
| inclination [deg] | 87.573120± 0.000005 | 87.573189 ± 0.000077 | 87.573070± 0.000003 |
| argument of perihelion [deg] | 236.210369 ± 0.000072 | 236.211575 ± 0.000161 | 236.212047 ± 0.000035 |
| longitude of the ascending node [deg] | 88.086676± 0.000017 | 88.086242 ± 0.000051 | 88.086882± 0.000008 |
| epoch of osculation [TT] | 1723 01 29 | 1722 12 20 | 1722 12 20 |
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