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Table A.1

109 individual objects selected form the SIMBAD data that fulfil the following conditions: an object must approach ’Oumuamua closer than 3.5 pc before leaving the heliocentric sphere of 300 pc radius.

Star name Alternative name Min. dist Epoch V rel r_hel
[pc] [Myr] [km s−1] [pc]
LP 646-17 HIP 3757 0.04378 −0.117935 207.96 3.175
GJ 4274 LP 820-12 0.41594 −0.022642 316.28 0.611
HD 761 HIP 981 0.50883 −6.674040 17.66 178.558
GJ 3404 A TYC 151-860-1 0.55191 −0.204269 61.21 5.498
Wolf 28 HIP 3829 0.65803 −0.016006 266.49 0.432
2MASS J07200325-0846499 0.90252 −0.094773 60.63 2.552
HD 135226 BD-03 3748 0.91695 −0.423887 73.23 11.408
HD 232979 HIP 21553 1.03139 −0.281024 34.65 7.564
TYC 5855-2215-1 1.04275 −6.751784 39.20 180.616
2MASS J10433508+1213149 1.15503 −0.053937 266.61 1.453
α Centauri B HIP 71681 1.25515 0.000000 35.39 0.001
Proxima Centauri HIP 70890 1.30223 0.000000 37.09 0.001
α Centauri A HIP 71683 1.32516 0.000000 35.03 0.001
α Centauri AB 1.34803 0.000000 36.57 0.001
UCAC4 535-065571 1.42794 −2.140431 5.36 57.564
GJ 358 HIP 47425 1.54383 −0.073742 122.26 1.986
GJ 793 HIP 101180 1.67110 −0.236802 32.72 6.374
Capella HIP 24608 1.75796 −0.485275 25.83 13.060
GJ 9603 HIP 86916 1.79609 −0.451911 43.43 12.163
Barnard’s star HIP 87937 1.82274 0.000000 134.83 0.001
GJ 4063 TYC 3109-1699-1 1.82991 −0.175405 40.07 4.722
GJ 195 A Capella H 1.84076 −0.410834 32.61 11.057
HD 200325 HIP 103749 1.85997 −4.379190 12.06 117.531
G 208-45 GJ 1245 B 1.94326 −0.119017 33.73 3.204
HZ 10 WD 0407+179 1.97167 −0.545641 68.15 14.685
HD 8671 HIP 6711 1.97438 −1.106171 37.96 29.765
BD+31 637 TYC 2355-291-1 2.02908 −5.090162 26.82 136.492
GJ 9492 HIP 71898 2.03615 −0.282622 37.33 7.607
L 923-22 GJ 754.1 B 2.05851 −0.176115 59.26 4.741
HD 24546 HIP 18453 2.06574 −0.907453 40.07 24.419
G 208-44 GJ 1245 A 2.07612 −0.122176 31.54 3.289
LP 160-22 2.09918 −0.526624 34.54 14.173
HIP 34603 GJ 268 2.10932 −0.188072 31.99 5.063
2MASS J18212815+1414010 2.11724 −0.251783 35.39 6.777
GJ 65 B 2.15456 −0.039837 34.10 1.073
GJ 909 A HIP 117712 2.17334 −0.521136 20.37 14.025
Wolf 359 GJ 406 2.20907 −0.027371 30.60 0.738
GJ 876 HIP 113020 2.24392 −0.817099 5.07 21.989
GJ 3376 A HIP 28267 2.24657 −0.198471 121.88 5.342
Kapteyn’s star HIP 24186 2.28553 −0.010651 270.91 0.288
TYC 8470-213-1 2.30049 −0.172274 229.85 4.637
APMPM J0237-5928 2.30106 −0.097524 97.49 2.626
GJ 3287 2.31517 −1.072967 20.63 28.872
G 203-47 HIP 83945 2.32770 −0.093300 78.09 2.512
HD 91962 HIP 51966 2.36104 −3.529085 11.12 94.802
GJ 433.1 HIP 56662 2.43579 −0.126051 119.04 3.394
HD 175726 HIP 92984 2.46005 −0.772211 33.25 20.781
GJ 688 HIP 86400 2.46025 −0.255395 40.83 6.874
HD 162826 HIP 87382 2.51056 −1.196101 27.79 32.183
η Casiopei B GJ 34 B 2.52756 −0.205075 25.37 5.520
HD 113376 HIP 63797 2.52972 −2.856293 40.47 76.776
GJ 1095 HIP 35136 2.54526 −0.197668 81.92 5.321
GJ 411 HIP 54035 2.54679 0.000000 93.39 0.001
HD 201671 HIP 104539 2.55447 −10.508025 10.14 279.312
2MASSI J1835379+325954 2.58023 −0.122667 39.52 3.302
2MASS J05565722+1144333 2.60458 −0.085689 144.85 2.307
Aldebaran HIP 21421 2.60688 −0.492455 40.82 13.254
Sirius HIP 32349 2.63821 0.000000 31.91 0.001
GJ 9105 C HD 18143C 2.67215 −0.534272 28.67 14.379
GJ 725 B HIP 91772 2.70964 −0.058137 39.30 1.566
CD-56 1032 HIP 22738 2.75803 −0.613484 17.28 16.510
GJ 725 A HIP 91768 2.77896 −0.058064 36.82 1.564
GJ 54.1 HIP 5643 2.79505 −0.070215 32.52 1.891
[D75b] Star 1 G 217-32 2.82886 −0.790870 17.31 21.283
GJ 752 HIP 94761 2.83223 −0.070143 66.46 1.889
GJ 15 A HIP 1475 2.87070 −0.048115 39.20 1.296
LP 412-31 2.87170 −0.357225 38.54 9.615
GJ 644 HIP 82817 2.87451 −0.146364 36.53 3.940
TYC 7693-1161-1 2.90315 −0.734088 47.41 19.755
η Casiopei HIP 3821 2.90499 −0.212720 23.37 5.726
GJ 729 HIP 92403 2.91228 −0.027389 21.15 0.738
GJ 15 B HD 1326B 2.91483 −0.048154 38.84 1.297
TYC 5325-1808-1 2.93291 −10.121533 7.94 269.220
HD 317657 TYC 7375-47-1 2.93350 −0.408810 327.01 11.003
Teegarden’s star GAT 1370 2.94180 −0.027297 86.90 0.736
GJ 376 B HD 86728B 2.95912 −0.255745 53.14 6.884
TYC 5172-2349-1 3.00558 −4.680653 35.14 125.576
GJ 702 HIP 88601 3.01970 −0.218690 19.04 5.887
Ruiz 207-61 3.09432 −0.146225 89.76 3.936
GJ 159.1 HG 8-7 3.09673 −0.329203 79.37 8.861
HD 18768 HIP 14181 3.09713 −0.474439 99.02 12.769
GJ 213 HIP 26857 3.10918 −0.048199 104.39 1.298
GJ 644 C 3.12047 −0.147195 37.54 3.963
GJ 752 B VB 10 3.12731 −0.085166 61.00 2.293
GJ 905 Ross 248 3.15691 0.000000 68.58 0.001
GJ 160.1 HIP 19255 3.17841 −0.872863 22.35 23.489
δ Capricorni HIP 107556 3.20613 −1.557216 7.20 41.893
HD 172051 HIP 91438 3.21372 −0.230299 52.90 6.199
ϵ Eridani HIP 16537 3.21684 0.000000 33.32 0.001
GJ 701 HIP 88574 3.24097 −0.121593 58.79 3.274
GJ 643 HIP 82809 3.25322 −0.147410 37.72 3.968
GJ 887 HIP 114046 3.26819 −0.002325 93.26 0.064
LHS 1817 LP 86-173 3.27213 −0.097496 134.53 2.625
Wolf 1059 LHS 5131 3.27918 −0.090442 258.71 2.435
GJ 109 HIP 12781 3.33010 −0.212547 29.78 5.721
GJ 447 HIP 57548 3.38087 0.000000 47.70 0.001
2MASS J16452211-1319516 3.38729 −0.174101 45.74 4.687
HD 132730 TYC 8681-841-1 3.39323 −3.989147 15.80 107.110
GJ 866 LP 820-64 3.40568 0.000000 78.04 0.001
GJ 745 A HIP 93873 3.41696 −0.121135 62.74 3.261
G 123-45 3.42044 −0.463265 22.31 12.468
HD 174153 HIP 92519 3.43893 −0.646559 77.15 17.400
GJ 3988 LHS 3262 3.44475 −0.119955 70.73 3.229
GJ 663 A TYC 6820-326-1 3.44561 −0.261330 14.76 7.034
GJ 745 B HIP 93899 3.45640 −0.121402 62.52 3.268
GJ 170 LHS 1674 3.45761 −0.403927 25.86 10.871
BD+50 860B TYC 3339-1311-1 3.47850 −1.406654 26.18 37.845
61 Cygni A HIP 104214 3.48546 0.000000 88.99 0.001
61 Cygni B HIP 104217 3.49692 0.000000 86.54 0.001

Notes. Stars are sorted here by the proximity distance. To speed up the selection procedure, the motion of each object was traced individually as a three-body problem under the influence of the full Galactic potential. For its nominal orbit, we recorded the minimum ’Oumuamua – star distance (Min dist), moment of this approach (Epoch), relative velocity (V rel), and heliocentric distance of the approach (r_hel). A proximity epoch equalling zero means that the star’s closest position was at the beginning of the backward numerical integration when ’Oumuamua was at 250 AU from the Sun.

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