Event between (468861) 13LU28 and star GA1100:01716721 with event index number of 1523824
Geocentric closest approach at 2026/01/26 05:24:45 UTC
J2000 position of star is 06:04:12.3 +20:56:56
Equinox of date position of star is 06:05:21.2 +20:56:48
Stellar brightness G=16.0,
use SENSEUP=128
Star is 55 degrees from the moon.
Moon is 50% illuminated.
TNO apparent brightness V=17.9
[RECON map]
TNO is 9.3 AU from the Sun
and 8.5 AU from the Earth.
The TNO is moving 33.8
km/sec on the sky relative to the star, or,
19.7 arcsec/hr.
The 1-sigma error in the time of the event is 11 seconds.
The 1-sigma cross-track error in the shadow position is
695 km.
The sky-plane scale is
6179.1 km/arcsec.
The TNO has an absolute magnitude Hv=8.1
Diameter=144.5 km assuming a 5% albedo -- 4.3 sec chord
Diameter=59.0 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
Star training set for 468861, (2026/01/26 05:25UT) Object RA Dec mag sep mel Betelgeuse 05:56:35.0 +07:24:35 0.4 13.72 55 Alhena 06:39:13.0 +16:22:29 1.9 9.14 63 62Chi2Ori 06:05:28.1 +20:08:08 4.5 0.81 55 PPM 095290 06:04:40.2 +20:35:02 7.7 0.44 55 PPM 095280 06:04:17.7 +20:47:59 10.0 0.37 54 PPM 095317 06:05:28.9 +20:53:17 11.4 0.09 55 468861 06:05:45.8 +20:56:44 16.0 55 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 20.9 km
RECON observability=1.0 and success probability=22.0%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Kelowna | 05:24:28 | -44.7 | Dark | Up | 60.9 | 172.7 | Up | 05:23:03 - 05:25:53 | 2559 |
Summerland | 05:24:29 | -44.7 | Dark | Up | 61.2 | 172.1 | Up | 05:23:04 - 05:25:54 | 2538 |
Penticton | 05:24:29 | -44.8 | Dark | Up | 61.2 | 172.3 | Up | 05:23:04 - 05:25:54 | 2529 |
Okanagan Falls | 05:24:29 | -44.8 | Dark | Up | 61.4 | 172.2 | Up | 05:23:04 - 05:25:54 | 2512 |
Oliver | 05:24:29 | -44.9 | Dark | Up | 61.6 | 172.2 | Up | 05:23:04 - 05:25:54 | 2497 |
Anarchist Mountain Observatory | 05:24:29 | -45.1 | Dark | Up | 61.8 | 172.5 | Up | 05:23:04 - 05:25:54 | 2476 |
Oroville | 05:24:29 | -45.1 | Dark | Up | 61.8 | 172.4 | Up | 05:23:04 - 05:25:54 | 2471 |
Tonasket | 05:24:29 | -45.2 | Dark | Up | 62.1 | 172.3 | Up | 05:23:04 - 05:25:54 | 2450 |
Okanogan | 05:24:30 | -45.3 | Dark | Up | 62.4 | 171.9 | Up | 05:23:05 - 05:25:55 | 2422 |
Brewster | 05:24:31 | -45.3 | Dark | Up | 62.6 | 171.5 | Up | 05:23:06 - 05:25:56 | 2401 |
Manson/Chelan | 05:24:31 | -45.1 | Dark | Up | 62.8 | 170.7 | Up | 05:23:06 - 05:25:56 | 2390 |
Entiat | 05:24:32 | -45.2 | Dark | Up | 63.0 | 170.5 | Up | 05:23:07 - 05:25:57 | 2371 |
Wenatchee | 05:24:32 | -45.2 | Dark | Up | 63.3 | 170.2 | Up | 05:23:07 - 05:25:57 | 2350 |
Ellensburg | 05:24:33 | -45.3 | Dark | Up | 63.6 | 169.6 | Up | 05:23:08 - 05:25:58 | 2317 |
Yakima | 05:24:34 | -45.4 | Dark | Up | 64.0 | 169.4 | Up | 05:23:09 - 05:25:59 | 2279 |
Toppenish/White Swan | 05:24:34 | -45.6 | Dark | Up | 64.3 | 169.7 | Up | 05:23:09 - 05:25:59 | 2255 |
Pasco | 05:24:31 | -46.5 | Dark | Up | 64.5 | 172.3 | Up | 05:23:06 - 05:25:56 | 2213 |
Goldendale | 05:24:35 | -45.6 | Dark | Up | 64.8 | 168.5 | Up | 05:23:10 - 05:26:00 | 2213 |
The Dalles | 05:24:36 | -45.4 | Dark | Up | 64.9 | 167.7 | Up | 05:23:11 - 05:26:01 | 2201 |
George/Umatilla | 05:24:32 | -46.5 | Dark | Up | 64.8 | 171.8 | Up | 05:23:07 - 05:25:57 | 2186 |
PNWRO | 05:24:31 | -46.7 | Dark | Up | 64.8 | 172.8 | Up | 05:23:06 - 05:25:56 | 2184 |
Maupin | 05:24:36 | -45.7 | Dark | Up | 65.4 | 167.7 | Up | 05:23:11 - 05:26:01 | 2158 |
Madras/Culver | 05:24:37 | -45.9 | Dark | Up | 65.9 | 167.4 | Up | 05:23:12 - 05:26:02 | 2107 |
Sisters | 05:24:38 | -45.7 | Dark | Up | 66.1 | 166.2 | Up | 05:23:13 - 05:26:03 | 2087 |
Redmond | 05:24:37 | -46.0 | Dark | Up | 66.2 | 167.1 | Up | 05:23:12 - 05:26:02 | 2074 |
Bend | 05:24:38 | -45.9 | Dark | Up | 66.4 | 166.6 | Up | 05:23:13 - 05:26:03 | 2058 |
Oregon Observatory | 05:24:38 | -45.9 | Dark | Up | 66.6 | 166.2 | Up | 05:23:13 - 05:26:03 | 2044 |
La Pine/Gilchrist | 05:24:39 | -45.9 | Dark | Up | 66.7 | 166.0 | Up | 05:23:14 - 05:26:04 | 2026 |
North Lake | 05:24:38 | -46.5 | Dark | Up | 67.3 | 167.2 | Up | 05:23:13 - 05:26:03 | 1969 |
Chiloquin | 05:24:41 | -46.1 | Dark | Up | 67.8 | 164.5 | Up | 05:23:16 - 05:26:06 | 1929 |
Paisley | 05:24:38 | -46.9 | Dark | Up | 67.9 | 167.7 | Up | 05:23:13 - 05:26:03 | 1906 |
Klamath Falls | 05:24:41 | -46.3 | Dark | Up | 68.1 | 164.5 | Up | 05:23:16 - 05:26:06 | 1893 |
Tulelake | 05:24:41 | -46.6 | Dark | Up | 68.4 | 165.0 | Up | 05:23:16 - 05:26:06 | 1859 |
Lakeview | 05:24:38 | -47.3 | Dark | Up | 68.4 | 168.0 | Up | 05:23:13 - 05:26:03 | 1852 |
Cedarville | 05:24:38 | -47.6 | Dark | Up | 69.1 | 168.1 | Up | 05:23:13 - 05:26:03 | 1784 |
Fall River/Burney | 05:24:41 | -46.9 | Dark | Up | 69.3 | 164.6 | Up | 05:23:16 - 05:26:06 | 1769 |
Susanville | 05:24:40 | -47.6 | Dark | Up | 70.1 | 166.1 | Up | 05:23:15 - 05:26:05 | 1687 |
Greenville | 05:24:42 | -47.5 | Dark | Up | 70.3 | 165.2 | Up | 05:23:17 - 05:26:07 | 1668 |
Gimple | 05:24:41 | -47.6 | Dark | Up | 70.3 | 165.4 | Up | 05:23:16 - 05:26:06 | 1665 |
Quincy | 05:24:42 | -47.6 | Dark | Up | 70.5 | 165.0 | Up | 05:23:17 - 05:26:07 | 1648 |
Portola | 05:24:41 | -47.9 | Dark | Up | 70.7 | 166.3 | Up | 05:23:16 - 05:26:06 | 1622 |
Reno | 05:24:39 | -48.5 | Dark | Up | 71.1 | 167.9 | Up | 05:23:14 - 05:26:04 | 1579 |
Carson City | 05:24:40 | -48.6 | Dark | Up | 71.4 | 167.7 | Up | 05:23:15 - 05:26:05 | 1542 |
Gardnerville | 05:24:40 | -48.7 | Dark | Up | 71.7 | 167.7 | Up | 05:23:15 - 05:26:05 | 1517 |
Yerington | 05:24:38 | -49.1 | Dark | Up | 71.7 | 169.5 | Up | 05:23:13 - 05:26:03 | 1506 |
Hawthorne | 05:24:38 | -49.7 | Dark | Up | 72.2 | 170.8 | Up | 05:23:13 - 05:26:03 | 1446 |
Lee Vining | 05:24:39 | -49.5 | Dark | Up | 72.7 | 169.0 | Up | 05:23:14 - 05:26:04 | 1402 |
Tonopah | 05:24:35 | -50.9 | Dark | Up | 72.8 | 174.9 | Up | 05:23:10 - 05:26:00 | 1362 |
Bishop | 05:24:38 | -50.2 | Dark | Up | 73.4 | 170.9 | Up | 05:23:13 - 05:26:03 | 1322 |
Niwot | 05:24:04 | -58.3 | Dark | Up | 68.9 | 207.7 | Up | 05:22:39 - 05:25:29 | 1303 |
SwRI | 05:24:04 | -58.3 | Dark | Up | 69.0 | 207.6 | Up | 05:22:39 - 05:25:29 | 1294 |
Lone Pine | 05:24:38 | -50.7 | Dark | Up | 74.2 | 171.6 | Up | 05:23:13 - 05:26:03 | 1236 |
Beatty | 05:24:34 | -51.6 | Dark | Up | 74.0 | 176.1 | Up | 05:23:09 - 05:25:59 | 1232 |
CPSLO | 05:24:46 | -49.0 | Dark | Up | 75.0 | 161.7 | Up | 05:23:21 - 05:26:11 | 1176 |
Indian Springs | 05:24:32 | -52.5 | Dark | Up | 74.4 | 179.8 | Up | 05:23:07 - 05:25:57 | 1171 |
Henderson | 05:24:31 | -53.2 | Dark | Up | 74.9 | 182.2 | Up | 05:23:06 - 05:25:56 | 1099 |
Searchlight/Boulder City | 05:24:31 | -53.4 | Dark | Up | 75.5 | 182.5 | Up | 05:23:06 - 05:25:56 | 1038 |
Patrick | 05:24:28 | -54.2 | Dark | Up | 75.5 | 186.4 | Up | 05:23:03 - 05:25:53 | 1006 |
Laughlin/Bullhead City | 05:24:30 | -53.8 | Dark | Up | 75.8 | 183.9 | Up | 05:23:05 - 05:25:55 | 998 |
Wildwood | 05:24:42 | -50.9 | Dark | Up | 76.6 | 168.0 | Up | 05:23:17 - 05:26:07 | 995 |
Kingman/Dolan Springs | 05:24:29 | -54.2 | Dark | Up | 75.7 | 185.8 | Up | 05:23:04 - 05:25:54 | 988 |
Mohave Valley | 05:24:31 | -53.9 | Dark | Up | 76.0 | 184.0 | Up | 05:23:06 - 05:25:56 | 970 |
DCO | 05:24:27 | -54.9 | Dark | Up | 75.7 | 189.2 | Up | 05:23:02 - 05:25:52 | 956 |
Lake Havasu City | 05:24:30 | -54.2 | Dark | Up | 76.4 | 185.1 | Up | 05:23:05 - 05:25:55 | 922 |
Idyllwild | 05:24:37 | -52.5 | Dark | Up | 77.2 | 175.4 | Up | 05:23:12 - 05:26:02 | 906 |
Parker | 05:24:31 | -54.3 | Dark | Up | 76.8 | 185.4 | Up | 05:23:06 - 05:25:56 | 885 |
Blythe | 05:24:32 | -54.2 | Dark | Up | 77.3 | 184.3 | Up | 05:23:07 - 05:25:57 | 838 |
Calipatria | 05:24:35 | -53.6 | Dark | Up | 77.8 | 180.4 | Up | 05:23:10 - 05:26:00 | 811 |
Yuma | 05:24:33 | -54.4 | Dark | Up | 78.2 | 184.5 | Up | 05:23:08 - 05:25:58 | 743 |
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 468861, (2026/01/26 05:25UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 13.72 55 Alhena 06:37:42.8 +16:23:57 1.9 9.14 63 62Chi2Ori 06:03:55.2 +20:08:18 4.5 0.81 55 PPM 095290 06:03:06.9 +20:35:11 7.7 0.44 55 PPM 095280 06:02:44.3 +20:48:07 10.0 0.37 54 PPM 095317 06:03:55.4 +20:53:28 11.4 0.09 55 468861 06:04:12.3 +20:56:56 16.0 55 Positions are for J2000
Event circumstances last updated at 2019/03/25 01:17:39 UT
Marc W. Buie, Southwest Research Institute