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Table A.2

Future barycentric orbits of C/2014 UN271 at 250 au from the sun, which was used as the starting orbit for the future dynamical evolution discussed in this paper.

Solution i1 b8
time of the perihelion passage [TT] 2031 01 21.43420845 ± 0.018081 2031 01 21.45818806 ± 0.012461
perihelion distance [au] 10.94853286 ± .00010668 10.94854181 ± .00007313
Eccentricity 0.99960500 ± .00000821 0.99959425 ± .00000615
inverse of the semimajor axis [10−6 au−1] 36.08 ± 0.75 37.06 ± 0.56
inclination [deg] 95.460461 ± 0.000035 95.460446± 0.000023
argument of perihelion [deg] 326.246713 ± 0.000514 326.246959 ± 0.000363
longitude of the ascending node [deg] 190.009262 ± 0.000038 190.009251 ± 0.000025
epoch of osculation [TT] 2346 08 31 2346 10 10

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