Event between 13KZ18 and star GA1360:00447472 with event index number of 2068029
Geocentric closest approach at 2026/09/12 11:42:03 UTC
J2000 position of star is 01:05:28.1 +46:29:18
Equinox of date position of star is 01:06:42.7 +46:36:11
Stellar brightness G=12.3,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 138 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=22.4
[RECON map]
TNO is 21.4 AU from the Sun
and 20.8 AU from the Earth.
The TNO is moving 19.0
km/sec on the sky relative to the star, or,
4.5 arcsec/hr.
The 1-sigma error in the time of the event is 422 seconds.
The 1-sigma cross-track error in the shadow position is
5949 km.
The sky-plane scale is
15106.2 km/arcsec.
The TNO has an absolute magnitude Hv=8.9
Diameter=97.7 km assuming a 5% albedo -- 5.2 sec chord
Diameter=39.9 km assuming a 30% albedo -- 2.1 sec chord
Dynamical classification is CENTAURR
Star training set for 13KZ18, (2026/09/12 11:42UT) Object RA Dec mag sep mel Deneb 20:42:20.6 +45:22:37 1.3 44.58 118 57Gam1And 02:05:33.0 +42:27:24 2.3 11.21 136 42Phi And 01:11:03.9 +47:23:01 4.2 1.02 137 PPM 043683 01:10:30.2 +46:05:05 7.7 0.81 138 PPM 043633 01:07:25.1 +46:27:23 10.0 0.19 138 13KZ18 01:07:01.0 +46:37:51 12.3 138 Positions are for equinox of date
This table contains the target star visibility for the RECON
network. The observing range has been set to a maximum of
2.1 sigma about the mid-time.
The median site spacing is 18.3 km
RECON observability=1.0 and success probability=6.7%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Clarence Fulton | 11:40:27 | -17.2 | AT | Down | 69.3 | 271.6 | Up | 11:25:27 - 11:55:27 | 1510 |
| Kelowna | 11:40:26 | -17.5 | AT | Down | 69.4 | 272.5 | Up | 11:25:26 - 11:55:26 | 1470 |
| Peachland | 11:40:27 | -17.7 | AT | Down | 69.5 | 272.6 | Up | 11:25:27 - 11:55:27 | 1447 |
| Summerland | 11:40:26 | -17.7 | AT | Down | 69.5 | 273.0 | Up | 11:25:26 - 11:55:26 | 1438 |
| Penticton | 11:40:26 | -17.7 | AT | Down | 69.4 | 273.3 | Up | 11:25:26 - 11:55:26 | 1437 |
| Oliver | 11:40:25 | -17.8 | AT | Down | 69.4 | 274.2 | Up | 11:25:25 - 11:55:25 | 1406 |
| Anarchist Mountain Observatory | 11:40:23 | -17.8 | AT | Down | 69.2 | 274.8 | Up | 11:25:23 - 11:55:23 | 1399 |
| Dunrhomin | 11:39:12 | -12.0 | NT | Down | 57.3 | 296.1 | Up | 11:24:12 - 11:54:12 | 1369 |
| Tonasket | 11:40:22 | -18.0 | Dark | Down | 69.3 | 275.6 | Up | 11:25:22 - 11:55:22 | 1368 |
| Okanogan | 11:40:22 | -18.3 | Dark | Down | 69.3 | 276.4 | Up | 11:25:22 - 11:55:22 | 1332 |
| Brewster | 11:40:21 | -18.5 | Dark | Down | 69.4 | 277.0 | Up | 11:25:21 - 11:55:21 | 1299 |
| Manson/Chelan | 11:40:22 | -18.8 | Dark | Down | 69.7 | 277.3 | Up | 11:25:22 - 11:55:22 | 1265 |
| Wenatchee | 11:40:21 | -19.2 | Dark | Down | 69.7 | 278.5 | Up | 11:25:21 - 11:55:21 | 1215 |
| Victoria | 11:40:34 | -20.3 | Dark | Down | 71.8 | 273.7 | Up | 11:25:34 - 11:55:34 | 1188 |
| Ellensburg | 11:40:20 | -19.5 | Dark | Down | 69.8 | 279.5 | Up | 11:25:20 - 11:55:20 | 1168 |
| Pasco | 11:40:13 | -19.0 | Dark | Down | 68.7 | 282.0 | Up | 11:25:13 - 11:55:13 | 1164 |
| PNWRO | 11:40:11 | -19.0 | Dark | Down | 68.5 | 282.7 | Up | 11:25:11 - 11:55:11 | 1152 |
| Yakima | 11:40:18 | -19.7 | Dark | Down | 69.7 | 280.6 | Up | 11:25:18 - 11:55:18 | 1131 |
| Toppenish/White Swan | 11:40:17 | -19.7 | Dark | Down | 69.6 | 281.2 | Up | 11:25:17 - 11:55:17 | 1119 |
| Goldendale | 11:40:17 | -20.3 | Dark | Down | 69.8 | 282.5 | Up | 11:25:17 - 11:55:17 | 1050 |
| The Dalles | 11:40:17 | -20.6 | Dark | Down | 70.0 | 283.0 | Up | 11:25:17 - 11:55:17 | 1014 |
| Maupin | 11:40:15 | -20.7 | Dark | Down | 69.8 | 284.2 | Up | 11:25:15 - 11:55:15 | 980 |
| Redmond | 11:40:13 | -21.2 | Dark | Down | 69.6 | 286.5 | Up | 11:25:13 - 11:55:13 | 894 |
| Sisters | 11:40:14 | -21.5 | Dark | Down | 69.9 | 286.4 | Up | 11:25:14 - 11:55:14 | 878 |
| Bend | 11:40:12 | -21.4 | Dark | Down | 69.7 | 287.0 | Up | 11:25:12 - 11:55:12 | 868 |
| Oregon Observatory | 11:40:12 | -21.6 | Dark | Down | 69.7 | 287.5 | Up | 11:25:12 - 11:55:12 | 846 |
| La Pine/Gilchrist | 11:40:12 | -21.7 | Dark | Down | 69.7 | 288.0 | Up | 11:25:12 - 11:55:12 | 825 |
| North Lake | 11:40:08 | -21.6 | Dark | Down | 69.1 | 289.1 | Up | 11:25:08 - 11:55:08 | 812 |
| Paisley | 11:40:05 | -21.6 | Dark | Down | 68.7 | 290.5 | Up | 11:25:05 - 11:55:05 | 779 |
| Lakeview | 11:40:03 | -21.7 | Dark | Down | 68.4 | 291.7 | Up | 11:25:03 - 11:55:03 | 741 |
| Chiloquin | 11:40:09 | -22.5 | Dark | Down | 69.6 | 290.8 | Up | 11:25:09 - 11:55:09 | 707 |
| Cedarville | 11:40:01 | -21.9 | Dark | Down | 68.0 | 293.2 | Up | 11:25:01 - 11:55:01 | 690 |
| Klamath Falls | 11:40:08 | -22.6 | Dark | Down | 69.4 | 291.7 | Up | 11:25:08 - 11:55:08 | 679 |
| Fall River/Burney | 11:40:03 | -22.9 | Dark | Down | 68.7 | 294.5 | Up | 11:25:03 - 11:55:03 | 588 |
| Susanville | 11:39:59 | -22.8 | Dark | Down | 67.9 | 295.8 | Up | 11:24:59 - 11:54:59 | 565 |
| Gimple | 11:39:58 | -23.0 | Dark | Down | 67.9 | 296.4 | Up | 11:24:58 - 11:54:58 | 530 |
| Reno | 11:39:53 | -22.6 | Dark | Down | 67.0 | 297.5 | Up | 11:24:53 - 11:54:53 | 526 |
| Greenville | 11:39:59 | -23.1 | Dark | Down | 68.0 | 296.4 | Up | 11:24:59 - 11:54:59 | 526 |
| Tonopah | 11:39:40 | -21.4 | Dark | Down | 64.5 | 299.9 | Up | 11:24:40 - 11:54:40 | 523 |
| Portola | 11:39:56 | -22.9 | Dark | Down | 67.5 | 297.1 | Up | 11:24:56 - 11:54:56 | 519 |
| Yerington | 11:39:49 | -22.4 | Dark | Down | 66.3 | 298.5 | Up | 11:24:49 - 11:54:49 | 508 |
| Quincy | 11:39:58 | -23.2 | Dark | Down | 67.9 | 296.9 | Up | 11:24:58 - 11:54:58 | 507 |
| Carson City | 11:39:52 | -22.7 | Dark | Down | 66.8 | 298.2 | Up | 11:24:52 - 11:54:52 | 495 |
| Hawthorne | 11:39:46 | -22.2 | Dark | Down | 65.7 | 299.3 | Up | 11:24:46 - 11:54:46 | 493 |
| Gardnerville | 11:39:51 | -22.8 | Dark | Down | 66.6 | 298.7 | Up | 11:24:51 - 11:54:51 | 475 |
| Indian Springs | 11:39:30 | -20.9 | Dark | Down | 62.7 | 302.1 | Up | 11:24:30 - 11:54:30 | 473 |
| Patrick | 11:39:20 | -20.0 | Dark | Down | 60.9 | 303.5 | Up | 11:24:20 - 11:54:20 | 470 |
| Henderson | 11:39:26 | -20.6 | Dark | Down | 62.0 | 302.8 | Up | 11:24:26 - 11:54:26 | 463 |
| Beatty | 11:39:35 | -21.6 | Dark | Down | 63.6 | 301.8 | Up | 11:24:35 - 11:54:35 | 444 |
| Kingman/Dolan Springs | 11:39:20 | -20.2 | Dark | Down | 60.9 | 303.9 | Up | 11:24:20 - 11:54:20 | 440 |
| George/Scottsdale | 11:39:09 | -19.0 | Dark | Down | 58.6 | 305.5 | Up | 11:24:09 - 11:54:09 | 438 |
| Lee Vining | 11:39:46 | -22.8 | Dark | Down | 65.7 | 300.5 | Up | 11:24:46 - 11:54:46 | 417 |
| Laughlin/Bullhead City | 11:39:22 | -20.6 | Dark | Down | 61.2 | 304.1 | Up | 11:24:22 - 11:54:22 | 409 |
| Bishop | 11:39:41 | -22.5 | Dark | Down | 64.9 | 301.4 | Up | 11:24:41 - 11:54:41 | 400 |
| Mohave Valley | 11:39:21 | -20.7 | Dark | Down | 61.1 | 304.5 | Up | 11:24:21 - 11:54:21 | 385 |
| Lake Havasu City | 11:39:19 | -20.7 | Dark | Down | 60.7 | 305.0 | Up | 11:24:19 - 11:54:19 | 364 |
| Parker | 11:39:18 | -20.8 | Dark | Down | 60.5 | 305.5 | Up | 11:24:18 - 11:54:18 | 335 |
| Blythe | 11:39:17 | -21.2 | Dark | Down | 60.4 | 306.3 | Up | 11:24:17 - 11:54:17 | 272 |
| Yuma | 11:39:15 | -21.5 | Dark | Down | 59.8 | 307.6 | Up | 11:24:15 - 11:54:15 | 188 |
| Calipatria | 11:39:19 | -22.1 | Dark | Down | 60.7 | 307.3 | Up | 11:24:19 - 11:54:19 | 176 |
| Idyllwild | 11:39:25 | -22.8 | Dark | Down | 61.8 | 306.9 | Up | 11:24:25 - 11:54:25 | 164 |
| CPSLO | 11:39:43 | -25.1 | Dark | Down | 65.3 | 306.0 | Up | 11:24:43 - 11:54:43 | 96 |
| Wildwood | 11:39:32 | -24.1 | Dark | Down | 63.3 | 307.1 | Up | 11:24:32 - 11:54:32 | 94 |
Azimuth is measured in degrees eastward from north. North is at an azimuth of 0, due East is at an azimuth of 90 degrees, due South is 180, and due West is 270.
Do not use the listing below for the RECON CPC 1100 telescopes. This is provided for other non-team facilities.
Star training set for 13KZ18, (2026/09/12 11:42UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 44.58 118 57Gam1And 02:03:54.0 +42:19:46 2.3 11.21 136 42Phi And 01:09:30.1 +47:14:31 4.2 1.02 137 PPM 043683 01:08:57.0 +45:56:34 7.7 0.81 138 PPM 043633 01:05:52.2 +46:18:50 10.0 0.19 138 13KZ18 01:05:28.1 +46:29:18 12.3 138 Positions are for J2000
Event circumstances last updated at 2021/06/16 02:52:23 UT
Marc W. Buie, Southwest Research Institute