Event between (463368) 12VU85 and star GA1000:02906018 with event index number of 2279422
Geocentric closest approach at 2026/12/18 04:53:00 UTC
J2000 position of star is 07:36:49.1 +11:08:38
Equinox of date position of star is 07:38:10.2 +11:05:16
Stellar brightness G=13.1,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 107 degrees from the moon.
Moon is 60% illuminated.
Apparent brightness V=20.7
[RECON map]
Object is 21.6 AU from the Sun
and 20.7 AU from the Earth.
Apparent velocity is 20.1
km/sec on the sky relative to the star, or,
4.8 arcsec/hr.
The 1-sigma error in the time of the event is 733 seconds.
The 1-sigma cross-track error in the shadow position is
5602 km.
The sky-plane scale is
15032.2 km/arcsec.
The object has an absolute magnitude Hv=7.3
Diameter=208.9 km assuming a 5% albedo -- 10.4 sec chord
Diameter=85.3 km assuming a 30% albedo -- 4.2 sec chord
Dynamical classification is CENTAURR
Star training set for 463368, (2026/12/18 04:53UT) Object RA Dec mag sep mel Pollux 07:46:58.0 +27:57:32 1.1 17.00 105 Alhena 06:39:16.1 +16:22:26 1.9 15.28 92 PPM 124170 07:35:33.9 +10:30:27 6.1 0.89 106 PPM 124183 07:36:03.7 +11:26:48 8.4 0.66 106 PPM 124233 07:38:11.6 +11:07:32 9.3 0.05 107 463368 07:38:18.5 +11:04:55 13.1 107 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
1.2 sigma about the mid-time.
The median site spacing is 31.4 km
RECON observability=0.4 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) |
| Kamloops | 04:56:08 | -45.7 | Dark | Up | 18.9 | 95.5 | Really Low | 04:41:08 - 05:11:08 | 4861 |
| Kelowna | 04:56:10 | -46.5 | Dark | Up | 19.6 | 95.9 | Really Low | 04:41:10 - 05:11:10 | 4790 |
| Peachland | 04:56:11 | -46.3 | Dark | Up | 19.4 | 95.6 | Really Low | 04:41:11 - 05:11:11 | 4786 |
| Sleaford | 04:55:43 | -52.8 | Dark | Up | 27.4 | 108.1 | Low | 04:40:43 - 05:10:43 | 4777 |
| Summerland | 04:56:12 | -46.5 | Dark | Up | 19.5 | 95.7 | Really Low | 04:41:12 - 05:11:12 | 4774 |
| Penticton | 04:56:12 | -46.5 | Dark | Up | 19.5 | 95.7 | Really Low | 04:41:12 - 05:11:12 | 4767 |
| Victoria | 04:56:20 | -44.5 | Dark | Up | 17.1 | 92.5 | Really Low | 04:41:20 - 05:11:20 | 4747 |
| Oliver | 04:56:13 | -46.7 | Dark | Up | 19.6 | 95.6 | Really Low | 04:41:13 - 05:11:13 | 4741 |
| Anarchist Mountain Observatory | 04:56:14 | -46.9 | Dark | Up | 19.7 | 95.7 | Really Low | 04:41:14 - 05:11:14 | 4726 |
| Okanogan | 04:56:17 | -46.9 | Dark | Up | 19.6 | 95.3 | Really Low | 04:41:17 - 05:11:17 | 4681 |
| Brewster | 04:56:18 | -46.9 | Dark | Up | 19.5 | 95.1 | Really Low | 04:41:18 - 05:11:18 | 4663 |
| Manson/Chelan | 04:56:19 | -46.7 | Dark | Up | 19.3 | 94.7 | Really Low | 04:41:19 - 05:11:19 | 4653 |
| Wenatchee | 04:56:21 | -46.8 | Dark | Up | 19.2 | 94.4 | Really Low | 04:41:21 - 05:11:21 | 4619 |
| Ellensburg | 04:56:23 | -46.8 | Dark | Up | 19.1 | 94.1 | Really Low | 04:41:23 - 05:11:23 | 4591 |
| Yakima | 04:56:25 | -46.9 | Dark | Up | 19.2 | 94.0 | Really Low | 04:41:25 - 05:11:25 | 4560 |
| Toppenish/White Swan | 04:56:25 | -47.1 | Dark | Up | 19.3 | 94.0 | Really Low | 04:41:25 - 05:11:25 | 4540 |
| The Dalles | 04:56:29 | -46.7 | Dark | Up | 18.8 | 93.2 | Really Low | 04:41:29 - 05:11:29 | 4491 |
| PNWRO | 04:56:25 | -48.2 | Dark | Up | 20.3 | 95.0 | Low | 04:41:25 - 05:11:25 | 4489 |
| Maupin | 04:56:31 | -46.9 | Dark | Up | 18.9 | 93.1 | Really Low | 04:41:31 - 05:11:31 | 4457 |
| Sisters | 04:56:35 | -46.8 | Dark | Up | 18.6 | 92.5 | Really Low | 04:41:35 - 05:11:35 | 4395 |
| Bend | 04:56:35 | -47.0 | Dark | Up | 18.8 | 92.6 | Really Low | 04:41:35 - 05:11:35 | 4372 |
| Oregon Observatory | 04:56:36 | -47.0 | Dark | Up | 18.7 | 92.4 | Really Low | 04:41:36 - 05:11:36 | 4360 |
| Chiloquin | 04:56:42 | -47.0 | Dark | Up | 18.5 | 91.7 | Really Low | 04:41:42 - 05:11:42 | 4259 |
| Klamath Falls | 04:56:43 | -47.1 | Dark | Up | 18.6 | 91.7 | Really Low | 04:41:43 - 05:11:43 | 4230 |
| Cedarville | 04:56:43 | -48.4 | Dark | Up | 19.8 | 92.5 | Really Low | 04:41:43 - 05:11:43 | 4146 |
| Fall River/Burney | 04:56:46 | -47.6 | Dark | Up | 18.9 | 91.5 | Really Low | 04:41:46 - 05:11:46 | 4125 |
| Greenville | 04:56:49 | -48.1 | Dark | Up | 19.3 | 91.5 | Really Low | 04:41:49 - 05:11:49 | 4041 |
| Gimple | 04:56:49 | -48.2 | Dark | Up | 19.3 | 91.6 | Really Low | 04:41:49 - 05:11:49 | 4039 |
| Quincy | 04:56:50 | -48.2 | Dark | Up | 19.3 | 91.5 | Really Low | 04:41:50 - 05:11:50 | 4024 |
| Portola | 04:56:50 | -48.5 | Dark | Up | 19.6 | 91.7 | Really Low | 04:41:50 - 05:11:50 | 4005 |
| Reno | 04:56:50 | -49.1 | Dark | Up | 20.1 | 92.1 | Low | 04:41:50 - 05:11:50 | 3972 |
| Carson City | 04:56:51 | -49.2 | Dark | Up | 20.2 | 91.9 | Low | 04:41:51 - 05:11:51 | 3940 |
| Gardnerville | 04:56:52 | -49.2 | Dark | Up | 20.2 | 91.9 | Low | 04:41:52 - 05:11:52 | 3918 |
| Yerington | 04:56:51 | -49.7 | Dark | Up | 20.7 | 92.3 | Low | 04:41:51 - 05:11:51 | 3913 |
| Hawthorne | 04:56:52 | -50.2 | Dark | Up | 21.1 | 92.4 | Low | 04:41:52 - 05:11:52 | 3863 |
| Lee Vining | 04:56:55 | -49.9 | Dark | Up | 20.8 | 91.9 | Low | 04:41:55 - 05:11:55 | 3822 |
| Dunrhomin | 04:56:23 | -59.5 | Dark | Up | 31.1 | 102.4 | Up | 04:41:23 - 05:11:23 | 3802 |
| Nikitin | 04:56:24 | -59.6 | Dark | Up | 31.1 | 102.3 | Up | 04:41:24 - 05:11:24 | 3786 |
| CU-SBO | 04:56:23 | -59.6 | Dark | Up | 31.1 | 102.2 | Up | 04:41:23 - 05:11:23 | 3781 |
| Bishop | 04:56:56 | -50.5 | Dark | Up | 21.4 | 92.1 | Low | 04:41:56 - 05:11:56 | 3757 |
| Beatty | 04:56:55 | -51.9 | Dark | Up | 22.7 | 93.0 | Low | 04:41:55 - 05:11:55 | 3687 |
| Patrick | 04:56:55 | -54.4 | Dark | Up | 25.1 | 94.1 | Low | 04:41:55 - 05:11:55 | 3503 |
| Laughlin/Bullhead City | 04:56:56 | -53.9 | Dark | Up | 24.5 | 93.5 | Low | 04:41:56 - 05:11:56 | 3492 |
| Wildwood | 04:57:06 | -50.8 | Dark | Up | 21.3 | 90.8 | Low | 04:42:06 - 05:12:06 | 3463 |
| Lake Havasu City | 04:56:58 | -54.2 | Dark | Up | 24.8 | 93.4 | Low | 04:41:58 - 05:11:58 | 3426 |
| Idyllwild | 04:57:05 | -52.3 | Dark | Up | 22.9 | 91.7 | Low | 04:42:05 - 05:12:05 | 3397 |
| Calipatria | 04:57:04 | -53.4 | Dark | Up | 23.9 | 92.1 | Low | 04:42:04 - 05:12:04 | 3318 |
| George/Scottsdale | 04:56:56 | -56.3 | Dark | Up | 26.9 | 94.5 | Low | 04:41:56 - 05:11:56 | 3311 |
| Yuma | 04:57:04 | -54.2 | Dark | Up | 24.7 | 92.4 | Low | 04:42:04 - 05:12:04 | 3262 |
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 463368, (2026/12/18 04:53UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 17.00 105 Alhena 06:37:42.8 +16:23:57 1.9 15.28 92 PPM 124170 07:34:04.9 +10:34:04 6.1 0.89 106 PPM 124183 07:34:34.1 +11:30:26 8.4 0.66 106 PPM 124233 07:36:42.2 +11:11:15 9.3 0.05 107 463368 07:36:49.1 +11:08:38 13.1 107 Positions are for J2000
Event circumstances last updated at 2024/06/20 21:26:03 UT
Marc W. Buie, Southwest Research Institute