Event between (590218) 11UD63 and star GA1200:01417648 with event index number of 2685495
Geocentric closest approach at 2025/12/10 13:34:05 UTC
J2000 position of star is 05:15:06.2 +30:19:04
Equinox of date position of star is 05:16:38.1 +30:20:36
Stellar brightness G=14.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 73 degrees from the moon.
Moon is 63% illuminated.
Apparent brightness V=20.3
[RECON map]
Object is 14.7 AU from the Sun
and 13.7 AU from the Earth.
Apparent velocity is 22.6
km/sec on the sky relative to the star, or,
8.2 arcsec/hr.
The 1-sigma error in the time of the event is 60 seconds.
The 1-sigma cross-track error in the shadow position is
556 km.
The sky-plane scale is
9961.7 km/arcsec.
The object has an absolute magnitude Hv=8.7
Diameter=105.2 km assuming a 5% albedo -- 4.8 sec chord
Diameter=42.9 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is CENTAURR
Star training set for 590218, (2025/12/10 13:33UT) Object RA Dec mag sep mel Aldebaran 04:37:24.7 +16:33:34 0.8 16.46 84 Alnath 05:27:56.0 +28:37:37 1.6 2.98 71 PPM 094297 05:22:51.8 +29:35:36 5.7 1.52 72 PPM 070104 05:17:33.7 +30:31:26 7.9 0.25 73 PPM 070092 05:16:48.4 +30:35:29 9.2 0.25 73 PPM 070079 05:16:12.6 +30:08:34 10.3 0.24 73 590218 05:16:45.9 +30:20:44 14.8 73 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
5.0 sigma about the mid-time.
The median site spacing is 0.0 km
RECON observability=0.8 and success probability=0.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 13:30:48 | -12.9 | AT | Up | 19.2 | 295.0 | Really Low | 13:25:17 - 13:36:19 | 6550 |
| Kamloops | 13:30:47 | -21.2 | Dark | Up | 27.2 | 285.6 | Low | 13:25:16 - 13:36:18 | 5948 |
| Kelowna | 13:30:43 | -20.5 | Dark | Up | 26.4 | 286.6 | Low | 13:25:12 - 13:36:14 | 5917 |
| Peachland | 13:30:43 | -20.7 | Dark | Up | 26.5 | 286.5 | Low | 13:25:12 - 13:36:14 | 5898 |
| Summerland | 13:30:42 | -20.6 | Dark | Up | 26.4 | 286.6 | Low | 13:25:11 - 13:36:13 | 5889 |
| Penticton | 13:30:42 | -20.5 | Dark | Up | 26.3 | 286.7 | Low | 13:25:11 - 13:36:13 | 5888 |
| Oliver | 13:30:41 | -20.4 | Dark | Up | 26.3 | 286.9 | Low | 13:25:10 - 13:36:12 | 5861 |
| Anarchist Mountain Observatory | 13:30:40 | -20.3 | Dark | Up | 26.1 | 287.1 | Low | 13:25:09 - 13:36:11 | 5855 |
| Okanogan | 13:30:38 | -20.3 | Dark | Up | 26.0 | 287.2 | Low | 13:25:07 - 13:36:09 | 5796 |
| Brewster | 13:30:37 | -20.4 | Dark | Up | 26.1 | 287.2 | Low | 13:25:06 - 13:36:08 | 5768 |
| Dunrhomin | 13:30:10 | -8.1 | NT | Up | 13.5 | 298.5 | Really Low | 13:24:39 - 13:35:41 | 5744 |
| Manson/Chelan | 13:30:37 | -20.5 | Dark | Up | 26.3 | 287.1 | Low | 13:25:06 - 13:36:08 | 5738 |
| Nikitin | 13:30:11 | -8.0 | NT | Up | 13.4 | 298.5 | Really Low | 13:24:40 - 13:35:42 | 5729 |
| CU-SBO | 13:30:10 | -8.0 | NT | Up | 13.4 | 298.5 | Really Low | 13:24:39 - 13:35:41 | 5721 |
| Wenatchee | 13:30:35 | -20.6 | Dark | Up | 26.2 | 287.2 | Low | 13:25:04 - 13:36:06 | 5694 |
| Victoria | 13:30:41 | -22.8 | Dark | Up | 28.5 | 284.6 | Low | 13:25:10 - 13:36:12 | 5673 |
| Ellensburg | 13:30:34 | -20.6 | Dark | Up | 26.3 | 287.2 | Low | 13:25:03 - 13:36:05 | 5653 |
| PNWRO | 13:30:30 | -19.3 | Dark | Up | 24.9 | 288.7 | Low | 13:24:59 - 13:36:01 | 5634 |
| Yakima | 13:30:33 | -20.6 | Dark | Up | 26.2 | 287.4 | Low | 13:25:02 - 13:36:04 | 5619 |
| Toppenish/White Swan | 13:30:32 | -20.4 | Dark | Up | 26.0 | 287.6 | Low | 13:25:01 - 13:36:03 | 5608 |
| The Dalles | 13:30:30 | -20.8 | Dark | Up | 26.3 | 287.5 | Low | 13:24:59 - 13:36:01 | 5515 |
| Maupin | 13:30:29 | -20.6 | Dark | Up | 26.1 | 287.7 | Low | 13:24:58 - 13:36:00 | 5485 |
| Sisters | 13:30:27 | -20.8 | Dark | Up | 26.2 | 287.9 | Low | 13:24:56 - 13:35:58 | 5393 |
| Bend | 13:30:26 | -20.6 | Dark | Up | 25.9 | 288.1 | Low | 13:24:55 - 13:35:57 | 5383 |
| Oregon Observatory | 13:30:26 | -20.6 | Dark | Up | 25.9 | 288.1 | Low | 13:24:55 - 13:35:57 | 5364 |
| Chiloquin | 13:30:22 | -20.6 | Dark | Up | 25.8 | 288.5 | Low | 13:24:51 - 13:35:53 | 5236 |
| Cedarville | 13:30:18 | -19.2 | Dark | Up | 24.3 | 289.9 | Low | 13:24:47 - 13:35:49 | 5215 |
| Klamath Falls | 13:30:21 | -20.5 | Dark | Up | 25.7 | 288.7 | Low | 13:24:50 - 13:35:52 | 5210 |
| Fall River/Burney | 13:30:17 | -20.0 | Dark | Up | 25.0 | 289.4 | Low | 13:24:46 - 13:35:48 | 5124 |
| Gimple | 13:30:15 | -19.4 | Dark | Up | 24.3 | 290.1 | Low | 13:24:44 - 13:35:46 | 5067 |
| Greenville | 13:30:14 | -19.4 | Dark | Up | 24.4 | 290.0 | Low | 13:24:43 - 13:35:45 | 5064 |
| Reno | 13:30:12 | -18.4 | Dark | Up | 23.4 | 290.9 | Low | 13:24:41 - 13:35:43 | 5059 |
| Portola | 13:30:13 | -19.0 | Dark | Up | 23.9 | 290.4 | Low | 13:24:42 - 13:35:44 | 5055 |
| Quincy | 13:30:14 | -19.4 | Dark | Up | 24.3 | 290.1 | Low | 13:24:43 - 13:35:45 | 5046 |
| Yerington | 13:30:10 | -17.8 | AT | Up | 22.7 | 291.4 | Low | 13:24:39 - 13:35:41 | 5038 |
| Carson City | 13:30:11 | -18.3 | Dark | Up | 23.2 | 291.0 | Low | 13:24:40 - 13:35:42 | 5029 |
| Hawthorne | 13:30:08 | -17.3 | AT | Up | 22.2 | 291.9 | Low | 13:24:37 - 13:35:39 | 5020 |
| Gardnerville | 13:30:10 | -18.2 | Dark | Up | 23.1 | 291.1 | Low | 13:24:39 - 13:35:41 | 5009 |
| Patrick | 13:29:58 | -12.8 | AT | Up | 17.5 | 295.2 | Really Low | 13:24:27 - 13:35:29 | 4960 |
| Beatty | 13:30:03 | -15.4 | AT | Up | 20.2 | 293.4 | Low | 13:24:32 - 13:35:34 | 4960 |
| Lee Vining | 13:30:07 | -17.5 | AT | Up | 22.3 | 291.8 | Low | 13:24:36 - 13:35:38 | 4951 |
| Bishop | 13:30:05 | -16.8 | AT | Up | 21.6 | 292.4 | Low | 13:24:34 - 13:35:36 | 4929 |
| Laughlin/Bullhead City | 13:29:58 | -13.2 | AT | Up | 17.9 | 294.9 | Really Low | 13:24:27 - 13:35:29 | 4907 |
| George/Scottsdale | 13:29:54 | -10.6 | NT | Up | 15.2 | 296.6 | Really Low | 13:24:23 - 13:35:25 | 4906 |
| Lake Havasu City | 13:29:56 | -12.8 | AT | Up | 17.4 | 295.2 | Really Low | 13:24:25 - 13:35:27 | 4860 |
| Yuma | 13:29:52 | -12.5 | AT | Up | 16.9 | 295.6 | Really Low | 13:24:21 - 13:35:23 | 4687 |
| Idyllwild | 13:29:56 | -14.4 | AT | Up | 18.9 | 294.4 | Really Low | 13:24:25 - 13:35:27 | 4684 |
| Calipatria | 13:29:54 | -13.3 | AT | Up | 17.7 | 295.1 | Really Low | 13:24:23 - 13:35:25 | 4684 |
| Wildwood | 13:29:58 | -16.0 | AT | Up | 20.5 | 293.5 | Low | 13:24:27 - 13:35:29 | 4631 |
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 590218, (2025/12/10 13:33UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 16.46 84 Alnath 05:26:17.6 +28:36:23 1.6 2.98 71 PPM 094297 05:21:12.7 +29:34:11 5.7 1.52 72 PPM 070104 05:15:53.8 +30:29:48 7.9 0.25 73 PPM 070092 05:15:08.5 +30:33:50 9.2 0.25 73 PPM 070079 05:14:33.1 +30:06:54 10.3 0.24 73 590218 05:15:06.2 +30:19:04 14.8 73 Positions are for J2000
Event circumstances last updated at 2023/12/07 04:19:48 UT
Marc W. Buie, Southwest Research Institute