Event between (505624) 14GU53 and star GA0900:04984715 with event index number of 1502496
Geocentric closest approach at 2026/03/12 11:41:42 UTC
J2000 position of star is 17:03:47.2 +00:06:58
Equinox of date position of star is 17:04:46.2 +00:05:26
Stellar brightness G=14.5,
use SENSEUP=128
Star is 33 degrees from the moon.
Moon is 40% illuminated.
TNO apparent brightness V=21.5
[RECON map]
TNO is 37.5 AU from the Sun
and 37.3 AU from the Earth.
The TNO is moving 12.2
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 113 seconds.
The 1-sigma cross-track error in the shadow position is
2945 km.
The sky-plane scale is
27079.3 km/arcsec.
The TNO has an absolute magnitude Hv=5.6
Diameter=457.1 km assuming a 5% albedo -- 37.4 sec chord
Diameter=186.6 km assuming a 30% albedo -- 15.3 sec chord
Dynamical classification is SCATEXTD
Star training set for 505624, (2026/03/12 11:42UT) Object RA Dec mag sep mel Antares 16:31:01.1 -26:29:16 0.9 27.81 24 60Bet Oph 17:44:46.1 +04:33:29 2.8 10.86 34 PPM 179990 17:06:53.3 -00:55:34 5.4 1.10 32 PPM 179983 17:05:02.1 -00:10:51 7.3 0.26 33 505624 17:05:07.7 +00:04:52 14.5 33 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 5.3 km
RECON observability=1.0 and success probability=11.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| CPSLO | 11:45:32 | -31.3 | Dark | Up | 45.0 | 134.8 | Up | 11:35:37 - 11:55:26 | -319 |
| Klamath Falls | 11:46:21 | -29.3 | Dark | Up | 39.5 | 138.1 | Up | 11:36:27 - 11:56:16 | -331 |
| Chiloquin | 11:46:25 | -29.2 | Dark | Up | 39.2 | 138.2 | Up | 11:36:30 - 11:56:19 | -331 |
| Fall River/Burney | 11:46:14 | -29.5 | Dark | Up | 40.6 | 137.9 | Up | 11:36:20 - 11:56:09 | -337 |
| Tulelake | 11:46:21 | -29.2 | Dark | Up | 39.9 | 138.3 | Up | 11:36:26 - 11:56:15 | -347 |
| Quincy | 11:46:07 | -29.7 | Dark | Up | 41.6 | 137.7 | Up | 11:36:12 - 11:56:01 | -352 |
| Greenville | 11:46:08 | -29.6 | Dark | Up | 41.4 | 137.8 | Up | 11:36:13 - 11:56:02 | -355 |
| Gimple | 11:46:08 | -29.5 | Dark | Up | 41.5 | 137.9 | Up | 11:36:13 - 11:56:02 | -361 |
| La Pine/Gilchrist | 11:46:33 | -28.4 | Dark | Up | 38.6 | 139.3 | Up | 11:36:38 - 11:56:27 | -375 |
| Susanville | 11:46:10 | -29.3 | Dark | Up | 41.4 | 138.3 | Up | 11:36:16 - 11:56:05 | -380 |
| Sisters | 11:46:38 | -28.2 | Dark | Up | 38.1 | 139.5 | Up | 11:36:44 - 11:56:33 | -382 |
| Oregon Observatory | 11:46:35 | -28.3 | Dark | Up | 38.4 | 139.5 | Up | 11:36:41 - 11:56:30 | -383 |
| Portola | 11:46:06 | -29.4 | Dark | Up | 41.9 | 138.2 | Up | 11:36:12 - 11:56:01 | -385 |
| Bend | 11:46:36 | -28.1 | Dark | Up | 38.4 | 139.7 | Up | 11:36:41 - 11:56:30 | -395 |
| North Lake | 11:46:31 | -28.2 | Dark | Up | 39.2 | 139.7 | Up | 11:36:37 - 11:56:26 | -408 |
| Redmond | 11:46:38 | -28.0 | Dark | Up | 38.3 | 140.0 | Up | 11:36:43 - 11:56:32 | -409 |
| Madras/Culver | 11:46:41 | -27.8 | Dark | Up | 38.0 | 140.2 | Up | 11:36:46 - 11:56:35 | -418 |
| Paisley | 11:46:27 | -28.2 | Dark | Up | 39.8 | 139.8 | Up | 11:36:33 - 11:56:22 | -424 |
| Carson City | 11:46:03 | -29.2 | Dark | Up | 42.7 | 138.6 | Up | 11:36:08 - 11:55:57 | -425 |
| Gardnerville | 11:46:01 | -29.2 | Dark | Up | 42.9 | 138.4 | Up | 11:36:06 - 11:55:55 | -426 |
| Reno | 11:46:04 | -29.0 | Dark | Up | 42.5 | 138.8 | Up | 11:36:10 - 11:55:59 | -428 |
| Lakeview | 11:46:23 | -28.3 | Dark | Up | 40.2 | 139.7 | Up | 11:36:28 - 11:56:17 | -429 |
| Cedarville | 11:46:20 | -28.5 | Dark | Up | 40.8 | 139.6 | Up | 11:36:25 - 11:56:14 | -431 |
| Maupin | 11:46:45 | -27.5 | Dark | Up | 37.6 | 140.6 | Up | 11:36:50 - 11:56:39 | -432 |
| The Dalles | 11:46:47 | -27.4 | Dark | Up | 37.3 | 140.7 | Up | 11:36:52 - 11:56:41 | -433 |
| Goldendale | 11:46:49 | -27.0 | Dark | Up | 37.3 | 141.2 | Up | 11:36:55 - 11:56:44 | -461 |
| Lee Vining | 11:45:55 | -29.1 | Dark | Up | 44.0 | 138.5 | Up | 11:36:00 - 11:55:49 | -462 |
| Wildwood | 11:45:24 | -30.1 | Dark | Up | 47.0 | 136.3 | Up | 11:35:29 - 11:55:18 | -469 |
| Yerington | 11:46:03 | -28.8 | Dark | Up | 43.2 | 139.2 | Up | 11:36:08 - 11:55:57 | -470 |
| Yakima | 11:46:55 | -26.5 | Dark | Up | 36.8 | 141.9 | Up | 11:37:01 - 11:56:50 | -494 |
| Toppenish/White Swan | 11:46:53 | -26.5 | Dark | Up | 37.0 | 141.9 | Up | 11:36:58 - 11:56:47 | -500 |
| Ellensburg | 11:46:58 | -26.3 | Dark | Up | 36.5 | 142.1 | Up | 11:37:03 - 11:56:52 | -503 |
| Hawthorne | 11:46:00 | -28.6 | Dark | Up | 43.8 | 139.5 | Up | 11:36:05 - 11:55:54 | -504 |
| Bishop | 11:45:51 | -28.8 | Dark | Up | 44.8 | 139.0 | Up | 11:35:57 - 11:55:46 | -510 |
| Wenatchee | 11:47:00 | -26.0 | Dark | Up | 36.2 | 142.5 | Up | 11:37:05 - 11:56:54 | -526 |
| Lone Pine | 11:45:45 | -28.8 | Dark | Up | 45.5 | 138.9 | Up | 11:35:51 - 11:55:40 | -529 |
| Entiat | 11:47:02 | -25.8 | Dark | Up | 36.1 | 142.8 | Up | 11:37:08 - 11:56:57 | -537 |
| Manson/Chelan | 11:47:05 | -25.7 | Dark | Up | 35.9 | 143.0 | Up | 11:37:10 - 11:56:59 | -546 |
| George/Umatilla | 11:46:52 | -26.0 | Dark | Up | 37.8 | 142.9 | Up | 11:36:58 - 11:56:47 | -560 |
| Brewster | 11:47:06 | -25.4 | Dark | Up | 35.9 | 143.5 | Up | 11:37:12 - 11:57:01 | -574 |
| Pasco | 11:46:55 | -25.8 | Dark | Up | 37.7 | 143.4 | Up | 11:37:00 - 11:56:49 | -581 |
| PNWRO | 11:46:54 | -25.7 | Dark | Up | 37.9 | 143.5 | Up | 11:36:59 - 11:56:48 | -591 |
| Okanogan | 11:47:08 | -25.1 | Dark | Up | 35.8 | 143.8 | Up | 11:37:13 - 11:57:02 | -592 |
| Tonopah | 11:45:58 | -27.7 | Dark | Up | 44.9 | 140.9 | Up | 11:36:04 - 11:55:53 | -606 |
| Tonasket | 11:47:11 | -24.9 | Dark | Up | 35.6 | 144.2 | Up | 11:37:17 - 11:57:06 | -609 |
| Oliver | 11:47:15 | -24.7 | Dark | Up | 35.1 | 144.2 | Up | 11:37:20 - 11:57:09 | -611 |
| Okanagan Falls | 11:47:15 | -24.7 | Dark | Up | 35.0 | 144.3 | Up | 11:37:21 - 11:57:10 | -613 |
| Summerland | 11:47:17 | -24.6 | Dark | Up | 34.8 | 144.3 | Up | 11:37:23 - 11:57:12 | -613 |
| Oroville | 11:47:13 | -24.8 | Dark | Up | 35.4 | 144.3 | Up | 11:37:19 - 11:57:08 | -613 |
| Idyllwild | 11:45:25 | -28.7 | Dark | Up | 48.4 | 138.4 | Up | 11:35:31 - 11:55:20 | -617 |
| Penticton | 11:47:17 | -24.6 | Dark | Up | 34.9 | 144.4 | Up | 11:37:23 - 11:57:12 | -619 |
| Anarchist Mountain Observatory | 11:47:14 | -24.7 | Dark | Up | 35.4 | 144.4 | Up | 11:37:19 - 11:57:08 | -619 |
| Beatty | 11:45:50 | -27.7 | Dark | Up | 46.0 | 140.7 | Up | 11:35:56 - 11:55:45 | -632 |
| Kelowna | 11:47:19 | -24.3 | Dark | Up | 34.6 | 144.7 | Up | 11:37:24 - 11:57:13 | -637 |
| Calipatria | 11:45:22 | -28.0 | Dark | Up | 49.5 | 139.4 | Up | 11:35:27 - 11:55:16 | -711 |
| Indian Springs | 11:45:48 | -27.0 | Dark | Up | 46.8 | 141.8 | Up | 11:35:53 - 11:55:42 | -714 |
| Henderson | 11:45:46 | -26.6 | Dark | Up | 47.6 | 142.3 | Up | 11:35:51 - 11:55:40 | -766 |
| Searchlight/Boulder City | 11:45:41 | -26.8 | Dark | Up | 48.0 | 142.0 | Up | 11:35:46 - 11:55:35 | -768 |
| Yuma | 11:45:21 | -27.4 | Dark | Up | 50.3 | 140.3 | Up | 11:35:27 - 11:55:16 | -784 |
| Blythe | 11:45:27 | -27.1 | Dark | Up | 49.6 | 141.1 | Up | 11:35:32 - 11:55:21 | -789 |
| Mohave Valley | 11:45:37 | -26.7 | Dark | Up | 48.6 | 142.1 | Up | 11:35:42 - 11:55:31 | -795 |
| Laughlin/Bullhead City | 11:45:41 | -26.6 | Dark | Up | 48.4 | 142.3 | Up | 11:35:46 - 11:55:35 | -795 |
| Lake Havasu City | 11:45:34 | -26.6 | Dark | Up | 49.1 | 142.1 | Up | 11:35:39 - 11:55:28 | -814 |
| Parker | 11:45:34 | -26.7 | Dark | Up | 49.4 | 141.9 | Up | 11:35:39 - 11:55:28 | -816 |
| Kingman/Dolan Springs | 11:45:40 | -26.2 | Dark | Up | 48.7 | 143.0 | Up | 11:35:46 - 11:55:35 | -837 |
| Patrick | 11:45:42 | -26.0 | Dark | Up | 48.6 | 143.4 | Up | 11:35:48 - 11:55:37 | -853 |
| DCO | 11:45:41 | -25.5 | Dark | Up | 49.2 | 144.1 | Up | 11:35:47 - 11:55:36 | -910 |
| SwRI | 11:46:30 | -18.1 | Dark | Up | 48.0 | 158.1 | Up | 11:36:35 - 11:56:24 | -1549 |
| Niwot | 11:46:33 | -18.0 | Dark | Up | 47.9 | 158.3 | Up | 11:36:39 - 11:56:28 | -1557 |
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 505624, (2026/03/12 11:42UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 27.81 24 60Bet Oph 17:43:28.3 +04:34:05 2.8 10.86 34 PPM 179990 17:05:32.2 -00:53:32 5.4 1.10 32 PPM 179983 17:03:41.4 -00:08:45 7.3 0.26 33 505624 17:03:47.2 +00:06:58 14.5 33 Positions are for J2000
Event circumstances last updated at 2019/03/25 18:49:49 UT
Marc W. Buie, Southwest Research Institute