Event between (612166) 00ON67 and star GA0900:00049472 with event index number of 2808506
Geocentric closest approach at 2026/11/04 06:08:18 UTC
J2000 position of star is 00:30:20.2 +00:36:28
Equinox of date position of star is 00:31:29.0 +00:43:52
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 155 degrees from the moon.
Moon is 25% illuminated.
TNO apparent brightness V=23.3
[RECON map]
TNO is 44.2 AU from the Sun
and 43.4 AU from the Earth.
The TNO is moving 20.2
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 421 seconds.
The 1-sigma cross-track error in the shadow position is
4708 km.
The sky-plane scale is
31461.5 km/arcsec.
The TNO has an absolute magnitude Hv=6.8
Diameter=264.2 km assuming a 5% albedo -- 13.1 sec chord
Diameter=107.9 km assuming a 30% albedo -- 5.3 sec chord
Dynamical classification is CLASSICAL
Star training set for 612166, (2026/11/04 06:08UT) Object RA Dec mag sep mel Fomalhaut 22:59:07.6 -29:28:45 1.2 37.45 156 Algenib 00:14:37.3 +15:19:57 2.8 15.17 151 14 Cet 00:36:55.5 -00:21:31 6.2 1.71 154 PPM 174728 00:31:13.5 -00:10:21 8.5 0.94 155 PPM 143583 00:33:00.2 +00:45:41 11.3 0.32 154 612166 00:31:42.8 +00:45:21 16.2 154 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 25.3 km
RECON observability=1.0 and success probability=9.8%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 06:06:31 | -49.5 | Dark | Down | 39.6 | 189.3 | Up | 05:51:31 - 06:21:31 | 239 |
| Victoria | 06:06:43 | -49.9 | Dark | Down | 42.0 | 185.6 | Up | 05:51:43 - 06:21:43 | 161 |
| Kelowna | 06:06:28 | -50.5 | Dark | Down | 40.3 | 190.6 | Up | 05:51:28 - 06:21:28 | 158 |
| Peachland | 06:06:29 | -50.5 | Dark | Down | 40.4 | 190.2 | Up | 05:51:29 - 06:21:29 | 158 |
| Summerland | 06:06:29 | -50.6 | Dark | Down | 40.5 | 190.4 | Up | 05:51:29 - 06:21:29 | 145 |
| Penticton | 06:06:29 | -50.7 | Dark | Down | 40.6 | 190.5 | Up | 05:51:29 - 06:21:29 | 137 |
| Oliver | 06:06:29 | -51.0 | Dark | Down | 40.9 | 190.6 | Up | 05:51:29 - 06:21:29 | 111 |
| Anarchist Mountain Observatory | 06:06:29 | -51.2 | Dark | Down | 41.1 | 190.9 | Up | 05:51:29 - 06:21:29 | 94 |
| Tonasket | 06:06:29 | -51.4 | Dark | Down | 41.4 | 190.8 | Up | 05:51:29 - 06:21:29 | 73 |
| Okanogan | 06:06:30 | -51.6 | Dark | Down | 41.7 | 190.7 | Up | 05:51:30 - 06:21:30 | 52 |
| Brewster | 06:06:31 | -51.8 | Dark | Down | 42.0 | 190.5 | Up | 05:51:31 - 06:21:31 | 37 |
| Manson/Chelan | 06:06:32 | -51.8 | Dark | Down | 42.3 | 190.0 | Up | 05:51:32 - 06:21:32 | 31 |
| Sleaford | 06:05:46 | -52.4 | Dark | Down | 35.5 | 206.7 | Up | 05:50:46 - 06:20:46 | 6 |
| Wenatchee | 06:06:33 | -52.1 | Dark | Down | 42.8 | 189.9 | Up | 05:51:33 - 06:21:33 | 0 |
| Ellensburg | 06:06:34 | -52.3 | Dark | Down | 43.2 | 189.6 | Up | 05:51:34 - 06:21:34 | -25 |
| Yakima | 06:06:35 | -52.6 | Dark | Down | 43.6 | 189.7 | Up | 05:51:35 - 06:21:35 | -56 |
| Toppenish/White Swan | 06:06:34 | -52.8 | Dark | Down | 43.8 | 190.0 | Up | 05:51:34 - 06:21:34 | -77 |
| Goldendale | 06:06:36 | -53.0 | Dark | Down | 44.4 | 189.5 | Up | 05:51:36 - 06:21:36 | -107 |
| The Dalles | 06:06:38 | -53.0 | Dark | Down | 44.7 | 189.0 | Up | 05:51:38 - 06:21:38 | -115 |
| PNWRO | 06:06:29 | -53.8 | Dark | Down | 44.0 | 192.1 | Up | 05:51:29 - 06:21:29 | -145 |
| Maupin | 06:06:38 | -53.4 | Dark | Down | 45.1 | 189.2 | Up | 05:51:38 - 06:21:38 | -150 |
| Sisters | 06:06:40 | -53.8 | Dark | Down | 46.0 | 188.7 | Up | 05:51:40 - 06:21:40 | -205 |
| Bend | 06:06:40 | -54.1 | Dark | Down | 46.2 | 189.1 | Up | 05:51:40 - 06:21:40 | -230 |
| Oregon Observatory | 06:06:40 | -54.1 | Dark | Down | 46.4 | 188.9 | Up | 05:51:40 - 06:21:40 | -240 |
| North Lake | 06:06:39 | -54.8 | Dark | Down | 46.9 | 189.8 | Up | 05:51:39 - 06:21:39 | -306 |
| Chiloquin | 06:06:43 | -54.8 | Dark | Down | 47.7 | 188.5 | Up | 05:51:43 - 06:21:43 | -333 |
| Klamath Falls | 06:06:43 | -55.1 | Dark | Down | 48.1 | 188.7 | Up | 05:51:43 - 06:21:43 | -363 |
| Lakeview | 06:06:38 | -55.9 | Dark | Down | 47.9 | 190.8 | Up | 05:51:38 - 06:21:38 | -407 |
| Cedarville | 06:06:38 | -56.4 | Dark | Down | 48.5 | 191.2 | Up | 05:51:38 - 06:21:38 | -466 |
| Fall River/Burney | 06:06:43 | -56.1 | Dark | Down | 49.2 | 189.5 | Up | 05:51:43 - 06:21:43 | -470 |
| Susanville | 06:06:41 | -56.9 | Dark | Down | 49.7 | 190.8 | Up | 05:51:41 - 06:21:41 | -544 |
| Greenville | 06:06:42 | -56.9 | Dark | Down | 50.0 | 190.4 | Up | 05:51:42 - 06:21:42 | -558 |
| Gimple | 06:06:42 | -57.0 | Dark | Down | 50.0 | 190.5 | Up | 05:51:42 - 06:21:42 | -561 |
| Quincy | 06:06:43 | -57.1 | Dark | Down | 50.2 | 190.4 | Up | 05:51:43 - 06:21:43 | -575 |
| Portola | 06:06:41 | -57.4 | Dark | Down | 50.3 | 191.2 | Up | 05:51:41 - 06:21:41 | -599 |
| Reno | 06:06:39 | -58.0 | Dark | Down | 50.4 | 192.2 | Up | 05:51:39 - 06:21:39 | -641 |
| Carson City | 06:06:39 | -58.2 | Dark | Down | 50.8 | 192.4 | Up | 05:51:39 - 06:21:39 | -672 |
| Gardnerville | 06:06:39 | -58.4 | Dark | Down | 51.0 | 192.5 | Up | 05:51:39 - 06:21:39 | -694 |
| Yerington | 06:06:37 | -58.7 | Dark | Down | 50.9 | 193.4 | Up | 05:51:37 - 06:21:37 | -707 |
| Hawthorne | 06:06:35 | -59.3 | Dark | Down | 51.2 | 194.4 | Up | 05:51:35 - 06:21:35 | -763 |
| Lee Vining | 06:06:38 | -59.4 | Dark | Down | 51.8 | 193.8 | Up | 05:51:38 - 06:21:38 | -796 |
| Tonopah | 06:06:30 | -60.5 | Dark | Down | 51.4 | 196.7 | Up | 05:51:30 - 06:21:30 | -845 |
| Bishop | 06:06:35 | -60.3 | Dark | Down | 52.3 | 195.1 | Up | 05:51:35 - 06:21:35 | -871 |
| Beatty | 06:06:29 | -61.5 | Dark | Down | 52.4 | 197.8 | Up | 05:51:29 - 06:21:29 | -961 |
| Dunrhomin | 06:05:43 | -63.8 | Dark | Down | 45.5 | 212.6 | Up | 05:50:43 - 06:20:43 | -996 |
| CU-SBO | 06:05:43 | -64.0 | Dark | Down | 45.8 | 212.6 | Up | 05:50:43 - 06:20:43 | -1016 |
| Indian Springs | 06:06:25 | -62.4 | Dark | Down | 52.4 | 199.7 | Up | 05:51:25 - 06:21:25 | -1023 |
| Henderson | 06:06:23 | -63.1 | Dark | Down | 52.7 | 201.0 | Up | 05:51:23 - 06:21:23 | -1092 |
| Wildwood | 06:06:40 | -62.2 | Dark | Down | 55.5 | 196.0 | Up | 05:51:40 - 06:21:40 | -1155 |
| Patrick | 06:06:19 | -64.2 | Dark | Down | 53.0 | 203.0 | Up | 05:51:19 - 06:21:19 | -1182 |
| Laughlin/Bullhead City | 06:06:22 | -64.0 | Dark | Down | 53.4 | 202.1 | Up | 05:51:22 - 06:21:22 | -1183 |
| Kingman/Dolan Springs | 06:06:20 | -64.3 | Dark | Down | 53.2 | 202.9 | Up | 05:51:20 - 06:21:20 | -1196 |
| Mohave Valley | 06:06:22 | -64.2 | Dark | Down | 53.6 | 202.2 | Up | 05:51:22 - 06:21:22 | -1208 |
| Idyllwild | 06:06:32 | -63.6 | Dark | Down | 55.3 | 199.3 | Up | 05:51:32 - 06:21:32 | -1246 |
| Lake Havasu City | 06:06:22 | -64.6 | Dark | Down | 53.9 | 202.8 | Up | 05:51:22 - 06:21:22 | -1252 |
| Parker | 06:06:22 | -64.9 | Dark | Down | 54.3 | 203.1 | Up | 05:51:22 - 06:21:22 | -1285 |
| Calipatria | 06:06:28 | -64.8 | Dark | Down | 55.6 | 201.6 | Up | 05:51:28 - 06:21:28 | -1340 |
| George/Scottsdale | 06:06:12 | -66.6 | Dark | Down | 53.8 | 207.1 | Up | 05:51:12 - 06:21:12 | -1400 |
| Yuma | 06:06:25 | -65.6 | Dark | Down | 55.7 | 203.3 | Up | 05:51:25 - 06:21:25 | -1408 |
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 612166, (2026/11/04 06:08UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 37.45 156 Algenib 00:13:14.2 +15:11:01 2.8 15.17 151 14 Cet 00:35:33.0 -00:30:22 6.2 1.71 154 PPM 174728 00:29:51.0 -00:19:15 8.5 0.94 155 PPM 143583 00:31:37.6 +00:36:49 11.3 0.32 154 612166 00:30:20.2 +00:36:28 16.2 155 Positions are for J2000
Event circumstances last updated at 2022/05/05 23:04:56 UT
Marc W. Buie, Southwest Research Institute