RECON TNO event watchlist

This table lists the candidates for TNO occultation for the next two years that are visible from the entire network. Green lines have cross-track errors less than 1000 km. Yellow lines are below 2000 km. Orange lines are below 3000 km. Red lines are below 6000 km.

This list was last updated at 2018/12/16 19:14:34 UT

Idx ET Desig Vmag Since
(yrs)
TNO pos err Diam
(5%)
Diam
(30%)
DES Classification StarID RA Dec mag minsep selong RECON Prob
1021495 2018 Dec 20 02:36:36 15VY165 23.6 1.0 0.21 164 67 2:1E GA1060:00348868 03:24:13.1 +17:58:36 14.9 0.11 145 1.0 14.9%
1017824 2018 Dec 21 06:34:57 15VJ166 24.8 1.0 0.30 79 32 2:1E GA1060:00365965 03:31:25.7 +16:52:38 15.1 0.19 146 1.0 5.5%
169816 2018 Dec 23 04:13:13 470443 21.1 0.1 0.15 794 324 SCATEXTD GA1220:01299123 04:55:21.4 +32:11:16 14.8 0.10 162 1.0 8.0%
304703 2018 Dec 24 02:22:45 145451 20.1 1.0 0.06 794 324 SCATNEAR GA1060:00666473 04:52:51.2 +16:45:24 13.5 0.10 161 1.0 27.0%
321665 2018 Dec 27 07:38:40 14YY49 22.8 0.1 0.11 58 24 CENTAURR GA0900:02329860 07:05:14.9 +01:11:30 15.8 0.19 156 1.0 17.7%
171054 2018 Dec 27 08:04:01 24835 20.5 0.3 0.16 725 296 SCATEXTD GA1240:00625535 03:08:58.8 +34:43:33 15.7 0.22 137 1.0 7.5%
1016419 2019 Jan 02 06:25:38 15VC173 25.0 1.0 0.22 114 47 CLASSICAL GA1060:00348926 03:24:14.7 +17:32:55 9.3 0.02 132 1.0 13.6%
168622 2019 Jan 02 06:42:38 01VN71 23.7 3.1 0.36 102 42 3:2E GA1220:02827135 06:37:02.5 +32:22:12 14.2 0.16 170 1.0 16.2%
170323 2019 Jan 05 11:04:49 123509 22.9 0.1 0.19 288 118 CLASSICAL GA1100:01470627 05:49:49.6 +21:25:20 15.7 0.14 163 1.0 22.4%
174644 2019 Jan 11 08:24:17 04TX357 23.4 4.2 0.55 111 45 4:3E GA1240:01740493 05:17:29.7 +35:16:21 15.4 0.09 148 1.0 14.2%
1017115 2019 Jan 14 03:01:13 15VF166 24.6 1.0 0.45 96 39 2:1E GA1060:00374518 03:34:56.9 +17:48:06 14.0 0.13 122 1.0 7.0%
174291 2019 Jan 16 09:47:13 01XR254 22.2 2.8 0.60 417 170 CLASSICAL GA1080:03047326 08:14:51.7 +18:43:53 15.3 0.16 174 1.0 4.5%
179080 2019 Jan 23 09:11:13 14QY441 21.6 1.0 0.07 431 176 4:3E GA1120:00958243 05:06:09.0 +22:40:34 12.6 0.08 135 1.0 25.5%
321687 2019 Jan 28 05:11:20 14YY49 22.9 0.1 0.11 58 24 CENTAURR GA0900:02190224 06:59:55.5 +01:25:26 14.5 0.26 150 1.0 43.8%
174798 2019 Jan 30 05:13:15 06QP180 24.3 3.0 0.09 66 27 CENTAURR GA1040:00200245 02:05:45.8 +14:38:36 15.6 0.28 85 1.0 12.3%
322065 2019 Feb 10 04:11:08 14YJ50 22.2 3.7 0.87 272 111 3:2E GA1140:03125794 08:56:34.4 +24:11:23 14.2 0.00 167 1.0 8.9%
338976 2019 Feb 11 08:12:43 309139 22.5 7.8 1.02 66 27 CENTAURR GA0720:04065974 08:43:56.9 -16:27:30 15.1 0.08 147 1.0 3.1%
180671 2019 Feb 12 06:37:04 10WG9 22.1 1.8 0.12 135 55 CENTAURR GA1080:01468310 05:54:06.9 +19:04:55 14.5 0.26 126 1.0 15.8%
313619 2019 Mar 03 06:52:41 13AS183 22.5 4.9 0.40 301 123 SCATNEAR GA1060:03267266 09:40:38.0 +16:53:07 13.6 0.27 160 1.0 5.6%
183014 2019 Mar 12 11:48:27 01FM194 23.1 3.7 0.34 183 75 SCATNEAR GA0920:03915264 14:32:29.9 +02:24:44 15.0 0.02 134 1.0 5.1%
324259 2019 Mar 12 12:23:46 523700 21.6 1.3 0.06 229 94 3:2E+6:4II GA1120:08445774 19:24:55.7 +22:04:01 15.7 0.23 65 1.0 18.7%
357314 2019 Mar 17 08:38:59 487581 22.2 2.8 0.29 479 195 SCATNEAR GA1000:03508106 11:19:39.0 +11:07:35 13.6 0.23 168 1.0 5.1%
184110 2019 Mar 26 03:29:19 15875 21.9 1.1 0.36 240 98 3:2E GA1160:01382919 05:33:24.0 +27:41:31 15.7 0.03 79 1.0 15.4%
183087 2019 Mar 29 06:15:36 02CT154 23.5 0.7 0.35 220 90 CLASSICAL GA0880:04057267 12:33:32.5 -01:42:51 13.1 0.02 178 1.0 7.1%
196847 2019 Jun 14 08:29:02 11MM4 22.7 1.6 0.35 77 32 CENTAURR GA1640:01140776 11:04:06.6 +75:28:41 15.4 0.24 66 1.0 3.4%
321219 2019 Sep 11 09:51:50 15874 21.3 1.0 0.17 525 214 SCATNEAR UC4-486-011020 05:17:51.6 +07:09:16 12.4 0.18 89 1.0 5.8%
220027 2019 Sep 16 08:50:23 13UG17 24.5 0.3 0.08 133 54 CLASSICAL GA0960:00130906 01:30:38.7 +07:16:27 12.0 0.18 149 1.0 19.5%
305101 2019 Sep 16 09:59:53 523746 21.3 1.0 0.10 96 39 CENTAURR UC4-635-019813 04:54:48.2 +36:49:45 15.7 0.14 96 1.0 15.9%
326511 2019 Sep 26 05:40:33 505448 23.1 1.3 0.07 363 148 CLASSICAL UC4-476-001659 01:04:52.3 +05:04:27 14.4 0.09 166 1.0 12.0%
219640 2019 Oct 16 11:55:18 03UP292 22.1 1.0 0.07 212 87 2:1E UC4-618-021057 05:14:58.8 +33:30:41 15.7 0.08 122 1.0 29.8%
234447 2019 Oct 18 05:44:53 10RF188 22.4 5.3 0.30 600 245 SCATNEAR GA0900:00071811 00:48:54.3 +01:32:03 14.3 0.11 167 1.0 9.1%
342906 2019 Oct 29 12:44:38 55638 20.2 1.0 0.10 525 214 3:2E UC4-487-021258 06:20:37.6 +07:21:30 13.7 0.17 119 1.0 24.4%
219405 2019 Oct 31 06:46:07 14WB509 22.0 4.0 0.15 302 123 SCATNEAR GA1120:00303760 02:39:18.3 +23:34:18 15.4 0.08 169 1.0 9.4%
224754 2019 Nov 05 12:22:08 341275 20.7 4.0 0.94 115 47 CENTAURR GA1360:03412264 05:43:28.4 +46:33:31 12.1 0.10 131 1.0 9.2%
314930 2019 Nov 06 02:32:50 11WG157 22.1 3.1 0.18 214 87 1:1 UC4-656-015899 03:29:02.1 +41:01:36 15.8 0.03 153 1.0 12.2%
224239 2019 Nov 06 08:14:08 181855 23.1 1.0 0.21 209 85 SCATEXTD GA1300:02065362 04:52:18.7 +40:03:39 13.7 0.01 143 1.0 15.8%
338281 2019 Nov 13 07:53:46 8405 22.7 0.3 0.18 91 37 CENTAURR UC4-655-032790 05:20:15.1 +40:51:49 15.9 0.09 144 1.0 33.5%
222476 2019 Nov 13 10:20:44 03UV292 23.1 3.8 0.51 211 86 3:2E GA1060:01244331 05:45:54.4 +17:43:38 15.8 0.10 144 1.0 8.6%
310854 2019 Nov 17 08:28:43 54598 19.2 0.2 0.08 191 78 CENTAURR UC4-668-024120 04:09:20.5 +43:35:33 15.8 0.14 154 1.0 41.1%
223589 2019 Nov 18 12:20:49 10VQ11 21.7 1.8 0.12 461 188 SCATEXTD GA0980:00748219 05:22:57.3 +09:34:43 15.4 0.01 152 1.0 16.5%
222794 2019 Nov 21 08:27:27 04TE282 23.1 4.2 0.33 130 53 CENTAURR GA1260:01995883 05:23:40.7 +36:04:07 14.3 0.08 153 1.0 16.3%
223071 2019 Nov 22 09:05:58 06QG181 24.2 4.2 0.28 95 39 CENTAURR GA1160:01172587 05:17:02.5 +27:59:13 13.1 0.08 159 1.0 12.2%
302120 2019 Nov 22 09:29:20 06QG181 24.2 4.2 0.28 95 39 CENTAURR UC4-590-017137 05:17:02.5 +27:59:13 13.1 0.02 159 1.0 22.7%
222816 2019 Nov 24 09:27:26 04VK78 23.6 1.0 0.23 143 59 2:1E GA1120:00757551 04:43:19.7 +22:23:23 14.7 0.17 169 1.0 18.3%
223117 2019 Nov 26 05:22:02 06UX184 22.0 1.0 0.14 106 43 CENTAURR GA1320:01719293 04:14:13.4 +43:26:35 14.7 0.20 157 1.0 13.7%
223081 2019 Nov 27 11:17:25 06QJ181 22.0 2.8 0.15 246 100 3:1EE+3:1II GA1060:01488798 05:58:20.9 +16:26:12 14.6 0.04 154 1.0 11.7%
228456 2019 Nov 28 04:31:10 504555 21.6 0.3 0.20 347 142 3:2E GA0860:00211619 02:37:36.9 -02:04:24 13.2 0.19 147 1.0 26.3%
314168 2019 Dec 01 05:18:28 12UP177 24.2 1.0 0.15 144 59 SCATEXTD UC4-597-005921 02:24:14.8 +29:21:19 14.0 0.07 151 1.0 18.0%
229375 2019 Dec 08 07:22:26 04TE282 23.1 4.2 0.33 130 53 CENTAURR GA1260:01956401 05:21:24.7 +36:06:08 15.6 0.03 166 1.0 18.8%
229382 2019 Dec 09 12:24:47 04TX357 23.3 4.2 0.55 111 45 4:3E GA1240:02028745 05:34:24.9 +35:59:09 13.7 0.03 165 1.0 12.8%
229272 2019 Dec 11 05:37:03 03UV292 23.0 3.8 0.51 211 86 3:2E GA1060:01202783 05:43:28.1 +17:39:52 15.4 0.16 171 1.0 4.9%
310875 2019 Dec 13 08:15:02 54598 19.2 0.2 0.08 191 78 CENTAURR UC4-667-021829 04:01:55.1 +43:18:32 15.4 0.16 154 1.0 48.9%
338295 2019 Dec 16 04:47:39 8405 22.6 0.3 0.18 91 37 CENTAURR UC4-655-031366 05:13:42.4 +40:53:30 14.0 0.10 162 1.0 47.0%
234228 2019 Dec 18 07:42:26 463368 21.0 2.1 0.22 209 85 CENTAURR GA1080:01429369 05:51:51.9 +19:09:19 9.5 0.01 175 1.0 19.2%
1016535 2019 Dec 22 09:20:20 15VD166 24.7 1.0 0.28 80 33 2:1E GA1080:00429422 03:47:52.5 +19:12:07 14.2 0.15 149 1.0 6.7%
231539 2019 Dec 22 12:02:06 456826 22.4 3.0 0.35 174 71 3:2E+6:4II GA1060:01108228 05:37:24.4 +16:52:40 13.5 0.26 172 1.0 8.3%
231917 2019 Dec 31 04:40:46 06SF369 23.0 1.0 0.16 275 112 3:1II GA1000:00552187 04:52:30.2 +11:20:48 15.9 0.11 152 1.0 6.0%
302467 2020 Jan 02 04:38:00 13VF24 22.3 3.9 0.22 154 63 3:2E+6:4II UC4-510-011157 05:22:43.0 +11:51:28 16.0 0.16 157 1.0 24.2%
237751 2020 Jan 03 10:00:54 03UV292 23.0 3.8 0.51 211 86 3:2E GA1060:01166351 05:41:14.7 +17:38:12 15.7 0.09 162 1.0 17.7%
322617 2020 Jan 06 02:29:37 523622 22.4 0.9 0.05 302 123 SCATNEAR UC4-498-008820 04:45:27.9 +09:31:54 14.6 0.16 144 1.0 25.1%
249121 2020 Jan 07 08:16:13 12CS57 22.6 4.7 0.52 345 141 SCATEXTD GA1000:03395244 09:57:11.9 +11:11:02 15.7 0.15 139 1.0 5.7%
239981 2020 Jan 10 10:15:07 248835 21.7 0.3 0.12 76 31 CENTAURR GA1280:01542791 04:42:15.5 +39:35:00 13.3 0.07 142 1.0 44.0%
238704 2020 Jan 13 12:27:36 119315 22.6 2.8 1.00 72 30 CENTAURR GA1300:03773706 07:18:10.3 +40:43:21 15.9 0.07 160 1.0 8.3%
241265 2020 Jan 15 09:50:18 449097 21.1 3.1 0.32 72 30 CENTAURR GA1260:03019228 06:59:27.2 +37:05:53 7.9 0.07 161 1.0 48.9%
238251 2020 Jan 20 02:22:03 05VZ122 22.9 3.8 1.16 205 84 SCATNEAR GA1040:01201893 05:50:40.6 +14:20:50 14.6 0.28 147 1.0 3.8%
237703 2020 Jan 20 03:09:34 02WL21 24.2 3.8 0.38 155 63 CLASSICAL GA1140:02350295 06:34:31.6 +24:31:47 14.9 0.27 159 1.0 7.1%
347895 2020 Feb 06 11:21:00 523768 22.1 0.7 0.08 457 187 3:2E UC4-513-051704 10:14:59.8 +12:33:14 15.4 0.13 166 1.0 14.9%
339256 2020 Feb 29 07:38:15 308634 22.6 3.7 0.21 331 135 CLASSICAL UC4-494-054486 10:14:49.7 +08:44:48 13.8 0.06 172 1.0 6.6%
250521 2020 Mar 16 09:08:54 03YR179 23.5 5.8 0.40 207 85 CLASSICAL GA1100:03149035 09:03:26.7 +21:49:11 14.3 0.23 136 1.0 5.6%
332623 2020 Apr 11 04:19:31 99CC119 23.5 5.8 0.40 222 91 CLASSICAL UC4-424-057059 12:50:27.8 -05:22:46 12.6 0.02 172 1.0 6.7%
321906 2020 Apr 12 04:59:32 14YY49 23.3 0.1 0.11 58 24 CENTAURR UC4-463-030506 07:14:10.7 +02:24:56 13.5 0.11 87 1.0 28.8%
324124 2020 Apr 16 10:05:01 523701 22.1 0.7 0.06 209 85 3:2E UC4-369-072902 15:54:21.7 -16:22:45 15.4 0.17 147 1.0 14.3%
257533 2020 Apr 25 10:07:39 438028 22.8 3.7 0.55 159 65 3:2E GA0740:05216442 14:33:43.0 -15:24:09 15.7 0.01 174 1.0 3.3%
329924 2020 Apr 30 09:18:59 470309 21.1 0.5 0.06 240 98 CENTAURR UC4-477-068991 17:51:44.5 +05:14:33 15.4 0.09 126 1.0 10.0%
324510 2020 May 10 07:13:35 523700 21.6 1.3 0.06 229 94 3:2E+6:4II UC4-561-095368 19:38:06.5 +22:02:06 15.7 0.19 103 1.0 29.7%
263628 2020 May 11 09:47:27 07LG38 23.5 3.6 0.31 160 65 5:2EEE GA0920:06627412 18:10:51.3 +02:27:43 15.6 0.26 132 1.0 7.4%
273810 2020 Jun 15 08:50:36 08JO41 24.6 2.6 0.30 124 51 SCATNEAR GA1080:06226691 18:48:47.9 +18:31:50 15.4 0.11 135 1.0 7.2%
276121 2020 Aug 09 07:41:54 04MU8 22.9 5.5 0.27 361 148 CLASSICAL GA0700:34268426 20:37:08.9 -19:39:39 13.5 0.11 170 1.0 9.8%
323018 2020 Aug 25 06:17:29 10LB136 21.1 0.6 0.05 313 128 3:2E LN01432 19:51:09.0 -17:08:35 10.7 0.18 144 1.0 24.6%
306574 2020 Sep 05 08:22:54 523727 20.1 0.4 0.06 288 118 CENTAURR TYC20556-00038-1 21:46:58.9 +07:10:31 7.8 0.05 158 1.0 28.5%
286477 2020 Sep 16 12:00:38 06QP180 24.4 3.0 0.09 66 27 CENTAURR GA1060:00253317 02:34:51.0 +16:46:44 15.3 0.12 132 1.0 41.3%
1006238 2020 Sep 26 07:37:54 04VU131 23.8 1.0 0.08 190 77 CLASSICAL GA1100:00479298 03:56:50.2 +20:00:02 14.2 0.05 122 1.0 16.7%
357372 2020 Oct 07 05:25:03 499514 21.2 1.4 0.21 725 296 SCATNEAR UC4-518-143188 22:12:16.3 +13:32:43 15.6 0.16 140 1.0 9.5%
301188 2020 Oct 07 05:30:09 499514 21.2 1.4 0.21 725 296 SCATNEAR GA1020:19113774 22:12:16.2 +13:32:43 15.6 0.10 140 1.0 10.4%
322012 2020 Oct 09 12:12:46 14YY49 23.4 0.1 0.11 58 24 CENTAURR UC4-458-039058 07:44:45.1 +01:30:42 15.9 0.09 79 1.0 26.3%
360229 2020 Oct 10 11:18:52 182222 23.2 0.1 0.25 263 107 CLASSICAL UC4-542-014477 05:23:06.6 +18:16:26 14.0 0.01 116 1.0 13.9%
362665 2020 Oct 10 11:23:00 182222 23.2 0.1 0.25 263 107 CLASSICAL GA1080:00985083 05:23:06.6 +18:16:26 13.9 0.02 116 1.0 14.9%
361374 2020 Oct 18 08:15:04 54598 19.3 0.2 0.08 191 78 CENTAURR GA1340:02565141 04:56:42.0 +44:18:49 15.7 0.03 124 1.0 45.7%
311046 2020 Oct 18 08:16:37 54598 19.3 0.2 0.08 191 78 CENTAURR UC4-672-032094 04:56:42.0 +44:18:50 15.6 0.04 124 1.0 50.9%
363957 2020 Oct 21 11:36:22 523597 22.8 0.3 0.14 110 45 CENTAURR GA1080:00204642 01:56:32.2 +19:04:27 15.0 0.09 171 1.0 36.0%
364386 2020 Oct 22 05:04:15 84719 21.0 1.0 0.14 631 258 3:2E+6:4II GA1180:00609253 03:48:31.3 +29:02:24 15.6 0.21 147 1.0 13.0%
362918 2020 Oct 24 07:45:36 03TL58 23.5 3.1 0.28 220 90 CLASSICAL GA1100:02104029 06:28:31.3 +20:33:14 13.8 0.13 114 1.0 18.9%
363547 2020 Oct 24 12:20:17 54598 19.2 0.2 0.08 191 78 CENTAURR GA1340:02547373 04:55:40.4 +44:24:33 11.9 0.08 130 1.0 56.5%
1003567 2020 Nov 02 04:18:01 181855 23.1 1.0 0.21 209 85 SCATEXTD GA1300:02227286 05:00:33.7 +40:53:52 14.9 0.00 138 1.0 14.2%
1004232 2020 Nov 05 06:36:16 341275 20.7 4.0 0.94 115 47 CENTAURR GA1340:03600450 06:19:47.6 +44:04:01 14.8 0.10 126 1.0 10.3%
1004233 2020 Nov 06 11:41:51 341275 20.7 4.0 0.94 115 47 CENTAURR GA1340:03599350 06:19:37.1 +44:04:53 13.5 0.25 127 1.0 8.3%
1007538 2020 Nov 06 12:28:20 32532 20.4 0.9 0.16 91 37 CENTAURR GA0840:03834430 09:43:56.3 -04:55:38 15.4 0.05 75 1.0 27.2%
1000838 2020 Nov 15 11:09:53 04TV357 22.0 1.0 0.28 286 117 2:1E GA1100:00890291 05:06:38.4 +21:40:39 15.5 0.00 156 1.0 20.6%
1000126 2020 Nov 16 11:16:46 456826 22.5 3.0 0.35 174 71 3:2E+6:4II GA1080:01409383 05:50:41.8 +18:04:48 14.7 0.13 146 1.0 12.1%
1007454 2020 Nov 18 02:51:00 342842 21.0 1.1 0.14 83 34 CENTAURR GA1400:05609634 19:50:04.0 +50:56:20 11.2 0.17 90 1.0 15.2%
1000035 2020 Nov 19 08:47:47 03QB112 23.7 4.2 0.32 188 77 CLASSICAL GA1000:00121746 01:20:49.3 +10:39:30 14.1 0.24 145 1.0 7.8%
1018186 2020 Nov 21 04:01:45 15VK167 25.2 1.0 0.25 76 31 5:3EE GA1060:00403695 03:46:16.1 +16:05:38 11.3 0.29 176 1.0 8.1%
1003453 2020 Nov 27 12:08:48 14DD143 22.6 0.7 0.29 372 152 CLASSICAL GA0880:03992540 11:58:54.0 -00:36:27 12.7 0.01 65 1.0 8.7%
999166 2020 Dec 04 06:08:22 00YV1 23.7 4.2 0.76 219 89 CLASSICAL GA1120:00986953 05:08:48.2 +22:09:35 16.0 0.09 174 1.0 18.5%

For all of these events the star is visible to the entire RECON network at the time of the appulse. This corresponds to a "score" (second to last column) of 1. The last column is the estimate of the probability of success for RECON if it attempts this event. This number is based on the uncertainty in the prediction combined with the actual geometry for RECON for the event. In general, we look for a probability greater than about 30% for an official RECON campaign. This probability does not include any factors such as weather.

Most of the columns are self-explanatory. Since, indicates how long it has been since the object has been measured. "TNO pos err" is the uncertainty in the position of the TNO at the time of the appulse, in arc-seconds. The two diameters give an estimate of the size of the object for two different albedos (5% and 30%). "minsep" is the minimum separation (in arcsec) between the star and TNO as seen from the position of the center of the earth. "selong" is the angle between the sun and the object (solar elongation) at the time of the event.

Marc W. Buie, Southwest Research Institute

RECON