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Table 2

Barycentric original and future ’Oumuamua orbit elements.

Element Original orbit Future orbit
Perihelion distance [AU] 0.252062 ± 0.000063 0.257286 ± 0.000063
Eccentricity 1.196488 ± 0. 000164 1.200366 ± 0.000167
Time of perihelion passage [TT] 2017 Sept. 09.118037 ± 0.001262 2017 Sept. 09.310111 ± 0.001250
Inverse of the semimajor axis [AU−1] −0.779521 ± 0.000456 −0.778771 ± 0.000455
Inclination [deg] 122.725937 ± 0.005995 122.870243 ± 0.005900
Argument of perihelion [deg] 241.696866 ± 0.011361 241.842028 ± 0.011433
Longitude of the ascending node [deg] 24.251515 ± 0.000251 24.747600 ± 0.000256
Epoch of osculation [TT] 1973 Oct. 05 2061 Aug 04

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