Event between (534626) 14UT224 and star GA1120:01130340 with event index number of 1614706
Geocentric closest approach at 2025/12/14 07:03:22 UTC
J2000 position of star is 05:22:22.6 +23:07:39
Equinox of date position of star is 05:23:37.4 +23:08:45
Stellar brightness G=14.9,
use SENSEUP=128
Star is 118 degrees from the moon.
Moon is 27% illuminated.
TNO apparent brightness V=25.5
[RECON map]
TNO is 36.3 AU from the Sun
and 35.3 AU from the Earth.
The TNO is moving 24.8
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 260 seconds.
The 1-sigma cross-track error in the shadow position is
1558 km.
The sky-plane scale is
25587.5 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=288.4 km assuming a 5% albedo -- 2.4 sec chord
Diameter=117.7 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is 2:1E
Star training set for 534626, (2025/12/14 07:03UT) Object RA Dec mag sep mel Aldebaran 04:37:24.8 +16:33:34 0.8 12.77 129 Alnath 05:27:56.1 +28:37:37 1.6 5.55 117 109 Tau 05:20:50.3 +22:07:16 4.9 1.26 119 PPM 094385 05:29:30.0 +23:18:45 8.4 1.28 117 PPM 094343 05:26:25.0 +22:59:36 9.7 0.59 118 PPM 094301 05:23:32.9 +22:58:38 10.1 0.20 118 534626 05:23:57.0 +23:09:02 14.9 118 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
3.5 sigma about the mid-time.
The median site spacing is 23.5 km
RECON observability=1.0 and success probability=31.2%
| 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 | 07:03:48 | -61.4 | Dark | Down | 61.6 | 158.9 | Up | 06:48:48 - 07:18:48 | 209 |
| Kelowna | 07:03:49 | -61.7 | Dark | Down | 61.9 | 158.3 | Up | 06:48:49 - 07:18:49 | 172 |
| Peachland | 07:03:50 | -61.7 | Dark | Down | 62.0 | 157.7 | Up | 06:48:50 - 07:18:50 | 164 |
| Summerland | 07:03:50 | -61.9 | Dark | Down | 62.1 | 157.8 | Up | 06:48:50 - 07:18:50 | 149 |
| Penticton | 07:03:49 | -62.0 | Dark | Down | 62.2 | 157.9 | Up | 06:48:49 - 07:18:49 | 141 |
| Oliver | 07:03:50 | -62.3 | Dark | Down | 62.5 | 157.7 | Up | 06:48:50 - 07:18:50 | 106 |
| Anarchist Mountain Observatory | 07:03:49 | -62.5 | Dark | Down | 62.8 | 157.9 | Up | 06:48:49 - 07:18:49 | 88 |
| Victoria | 07:04:01 | -61.7 | Dark | Down | 62.0 | 150.0 | Up | 06:49:01 - 07:19:01 | 79 |
| Tonasket | 07:03:50 | -62.8 | Dark | Down | 63.0 | 157.5 | Up | 06:48:50 - 07:18:50 | 58 |
| Okanogan | 07:03:51 | -63.0 | Dark | Down | 63.3 | 157.0 | Up | 06:48:51 - 07:18:51 | 26 |
| Brewster | 07:03:51 | -63.2 | Dark | Down | 63.5 | 156.4 | Up | 06:48:51 - 07:18:51 | 1 |
| Manson/Chelan | 07:03:53 | -63.3 | Dark | Down | 63.6 | 155.5 | Up | 06:48:53 - 07:18:53 | -16 |
| Entiat | 07:03:53 | -63.5 | Dark | Down | 63.8 | 155.2 | Up | 06:48:53 - 07:18:53 | -38 |
| Wenatchee | 07:03:54 | -63.7 | Dark | Down | 64.0 | 154.8 | Up | 06:48:54 - 07:18:54 | -62 |
| Ellensburg | 07:03:54 | -64.0 | Dark | Down | 64.3 | 154.0 | Up | 06:48:54 - 07:18:54 | -101 |
| Yakima | 07:03:55 | -64.3 | Dark | Down | 64.6 | 153.6 | Up | 06:48:55 - 07:18:55 | -142 |
| Toppenish/White Swan | 07:03:55 | -64.6 | Dark | Down | 64.9 | 153.7 | Up | 06:48:55 - 07:18:55 | -165 |
| Pasco | 07:03:51 | -65.1 | Dark | Down | 65.4 | 156.2 | Up | 06:48:51 - 07:18:51 | -190 |
| Goldendale | 07:03:56 | -64.9 | Dark | Down | 65.2 | 152.3 | Up | 06:48:56 - 07:18:56 | -217 |
| PNWRO | 07:03:50 | -65.4 | Dark | Down | 65.6 | 156.5 | Up | 06:48:50 - 07:18:50 | -217 |
| The Dalles | 07:03:58 | -65.0 | Dark | Down | 65.3 | 151.3 | Up | 06:48:58 - 07:18:58 | -236 |
| Maupin | 07:03:58 | -65.4 | Dark | Down | 65.7 | 151.1 | Up | 06:48:58 - 07:18:58 | -279 |
| Sisters | 07:04:00 | -65.9 | Dark | Down | 66.3 | 149.1 | Up | 06:49:00 - 07:19:00 | -363 |
| Redmond | 07:03:59 | -66.1 | Dark | Down | 66.5 | 149.9 | Up | 06:48:59 - 07:18:59 | -370 |
| Bend | 07:03:59 | -66.2 | Dark | Down | 66.6 | 149.4 | Up | 06:48:59 - 07:18:59 | -390 |
| Oregon Observatory | 07:04:00 | -66.3 | Dark | Down | 66.7 | 148.9 | Up | 06:49:00 - 07:19:00 | -406 |
| La Pine/Gilchrist | 07:04:00 | -66.5 | Dark | Down | 66.9 | 148.5 | Up | 06:49:00 - 07:19:00 | -427 |
| North Lake | 07:03:59 | -67.1 | Dark | Down | 67.5 | 149.3 | Up | 06:48:59 - 07:18:59 | -478 |
| Paisley | 07:03:58 | -67.7 | Dark | Down | 68.1 | 149.4 | Up | 06:48:58 - 07:18:58 | -538 |
| Klamath Falls | 07:04:02 | -67.5 | Dark | Down | 68.0 | 146.1 | Up | 06:49:02 - 07:19:02 | -573 |
| Lakeview | 07:03:58 | -68.2 | Dark | Down | 68.6 | 149.2 | Up | 06:48:58 - 07:18:58 | -593 |
| Cedarville | 07:03:58 | -68.8 | Dark | Down | 69.2 | 148.7 | Up | 06:48:58 - 07:18:58 | -663 |
| Fall River/Burney | 07:04:02 | -68.6 | Dark | Down | 69.1 | 145.2 | Up | 06:49:02 - 07:19:02 | -700 |
| Susanville | 07:04:00 | -69.5 | Dark | Down | 70.0 | 146.0 | Up | 06:49:00 - 07:19:00 | -774 |
| Greenville | 07:04:02 | -69.6 | Dark | Down | 70.1 | 144.9 | Up | 06:49:02 - 07:19:02 | -799 |
| Gimple | 07:04:01 | -69.6 | Dark | Down | 70.1 | 145.0 | Up | 06:49:01 - 07:19:01 | -801 |
| Quincy | 07:04:02 | -69.7 | Dark | Down | 70.2 | 144.5 | Up | 06:49:02 - 07:19:02 | -821 |
| Portola | 07:04:00 | -70.0 | Dark | Down | 70.5 | 145.5 | Up | 06:49:00 - 07:19:00 | -839 |
| Reno | 07:03:58 | -70.6 | Dark | Down | 71.0 | 146.6 | Up | 06:48:58 - 07:18:58 | -874 |
| Niwot | 07:03:09 | -73.0 | Dark | Down | 72.8 | 190.1 | Up | 06:48:09 - 07:18:09 | -910 |
| Carson City | 07:03:59 | -70.9 | Dark | Down | 71.3 | 146.1 | Up | 06:48:59 - 07:18:59 | -912 |
| SwRI | 07:03:09 | -73.2 | Dark | Down | 72.9 | 189.9 | Up | 06:48:09 - 07:18:09 | -921 |
| Gardnerville | 07:03:59 | -71.1 | Dark | Down | 71.6 | 145.8 | Up | 06:48:59 - 07:18:59 | -938 |
| Yerington | 07:03:57 | -71.3 | Dark | Down | 71.8 | 147.4 | Up | 06:48:57 - 07:18:57 | -939 |
| Hawthorne | 07:03:55 | -71.9 | Dark | Down | 72.4 | 148.0 | Up | 06:48:55 - 07:18:55 | -994 |
| Lee Vining | 07:03:57 | -72.1 | Dark | Down | 72.6 | 145.7 | Up | 06:48:57 - 07:18:57 | -1049 |
| Tonopah | 07:03:51 | -72.9 | Dark | Down | 73.3 | 151.2 | Up | 06:48:51 - 07:18:51 | -1057 |
| Bishop | 07:03:55 | -73.0 | Dark | Down | 73.5 | 146.6 | Up | 06:48:55 - 07:18:55 | -1120 |
| Beatty | 07:03:50 | -74.1 | Dark | Down | 74.5 | 150.6 | Up | 06:48:50 - 07:18:50 | -1185 |
| Indian Springs | 07:03:46 | -74.8 | Dark | Down | 75.2 | 153.5 | Up | 06:48:46 - 07:18:46 | -1230 |
| Henderson | 07:03:44 | -75.6 | Dark | Down | 75.9 | 154.9 | Up | 06:48:44 - 07:18:44 | -1293 |
| CPSLO | 07:04:04 | -73.3 | Dark | Down | 73.9 | 136.1 | Up | 06:49:04 - 07:19:04 | -1315 |
| Searchlight/Boulder City | 07:03:44 | -76.1 | Dark | Down | 76.5 | 154.1 | Up | 06:48:44 - 07:18:44 | -1356 |
| Patrick | 07:03:40 | -76.5 | Dark | Down | 76.9 | 157.9 | Up | 06:48:40 - 07:18:40 | -1370 |
| Laughlin/Bullhead City | 07:03:43 | -76.5 | Dark | Down | 76.9 | 154.8 | Up | 06:48:43 - 07:18:43 | -1391 |
| Kingman/Dolan Springs | 07:03:41 | -76.7 | Dark | Down | 77.0 | 156.8 | Up | 06:48:41 - 07:18:41 | -1392 |
| DCO | 07:03:38 | -77.1 | Dark | Down | 77.4 | 160.2 | Up | 06:48:38 - 07:18:38 | -1408 |
| Mohave Valley | 07:03:43 | -76.7 | Dark | Down | 77.1 | 154.4 | Up | 06:48:43 - 07:18:43 | -1420 |
| Lake Havasu City | 07:03:42 | -77.2 | Dark | Down | 77.6 | 154.5 | Up | 06:48:42 - 07:18:42 | -1466 |
| Wildwood | 07:03:58 | -75.3 | Dark | Down | 76.0 | 138.8 | Up | 06:48:58 - 07:18:58 | -1469 |
| Parker | 07:03:42 | -77.5 | Dark | Down | 77.9 | 154.0 | Up | 06:48:42 - 07:18:42 | -1504 |
| Idyllwild | 07:03:51 | -76.6 | Dark | Down | 77.2 | 144.0 | Up | 06:48:51 - 07:18:51 | -1526 |
| Blythe | 07:03:44 | -77.8 | Dark | Down | 78.2 | 151.6 | Up | 06:48:44 - 07:18:44 | -1558 |
| George/Scottsdale | 07:03:34 | -78.8 | Dark | Down | 79.0 | 163.7 | Up | 06:48:34 - 07:18:34 | -1568 |
| Calipatria | 07:03:47 | -77.7 | Dark | Down | 78.3 | 146.7 | Up | 06:48:47 - 07:18:47 | -1604 |
| Yuma | 07:03:44 | -78.5 | Dark | Down | 79.0 | 149.2 | Up | 06:48:44 - 07:18:44 | -1658 |
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 534626, (2025/12/14 07:03UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 12.77 129 Alnath 05:26:17.5 +28:36:23 1.6 5.55 117 109 Tau 05:19:16.6 +22:05:46 4.9 1.26 119 PPM 094385 05:27:55.4 +23:17:34 8.4 1.28 117 PPM 094343 05:24:50.7 +22:58:19 9.7 0.59 118 PPM 094301 05:21:58.6 +22:57:14 10.1 0.20 118 534626 05:22:22.6 +23:07:39 14.9 118 Positions are for J2000
Event circumstances last updated at 2020/07/21 21:04:25 UT
Marc W. Buie, Southwest Research Institute