Event between (533559) 14JG80 and star GA0740:09057256 with event index number of 2587875
Geocentric closest approach at 2026/05/20 09:36:45 UTC
J2000 position of star is 17:33:45.6 -15:26:03
Equinox of date position of star is 17:35:04.1 -15:26:54
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 152 degrees from the moon.
Moon is 18% illuminated.
TNO apparent brightness V=22.2
[RECON map]
TNO is 26.7 AU from the Sun
and 25.7 AU from the Earth.
The TNO is moving 22.5
km/sec on the sky relative to the star, or,
4.3 arcsec/hr.
The 1-sigma error in the time of the event is 111 seconds.
The 1-sigma cross-track error in the shadow position is
1862 km.
The sky-plane scale is
18670.5 km/arcsec.
The TNO has an absolute magnitude Hv=7.9
Diameter=157.8 km assuming a 5% albedo -- 7.1 sec chord
Diameter=64.4 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is CENTAURR
Star training set for 533559, (2026/05/20 09:38UT) Object RA Dec mag sep mel Antares 16:31:01.8 -26:29:17 0.9 18.59 140 35Eta Oph 17:11:53.6 -15:45:21 2.6 5.64 147 55Xi Ser 17:39:05.9 -15:24:46 3.5 0.92 152 PPM 233314 17:37:52.7 -15:29:58 8.3 0.63 152 PPM 233266 17:36:13.4 -15:32:32 9.9 0.25 152 533559 17:35:16.4 -15:27:01 16.2 152 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 21.1 km
RECON observability=1.0 and success probability=7.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 09:36:08 | -10.3 | NT | Down | 21.6 | 193.2 | Low | 09:26:22 - 09:45:55 | 3892 |
| Kamloops | 09:36:52 | -16.0 | AT | Down | 23.9 | 178.4 | Low | 09:27:05 - 09:46:38 | 3851 |
| Kelowna | 09:36:48 | -16.5 | AT | Down | 24.7 | 179.3 | Low | 09:27:02 - 09:46:35 | 3814 |
| Peachland | 09:36:50 | -16.7 | AT | Down | 24.8 | 179.0 | Low | 09:27:03 - 09:46:36 | 3809 |
| Summerland | 09:36:49 | -16.8 | AT | Down | 25.0 | 179.1 | Low | 09:27:03 - 09:46:36 | 3802 |
| Penticton | 09:36:49 | -16.8 | AT | Down | 25.0 | 179.2 | Low | 09:27:03 - 09:46:36 | 3799 |
| Oliver | 09:36:49 | -17.2 | AT | Down | 25.4 | 179.2 | Low | 09:27:03 - 09:46:36 | 3782 |
| Anarchist Mountain Observatory | 09:36:49 | -17.3 | AT | Down | 25.6 | 179.4 | Low | 09:27:02 - 09:46:35 | 3774 |
| Victoria | 09:37:02 | -18.8 | Dark | Down | 25.9 | 175.1 | Low | 09:27:15 - 09:46:48 | 3745 |
| Okanogan | 09:36:49 | -17.9 | AT | Down | 26.2 | 179.2 | Low | 09:27:03 - 09:46:36 | 3742 |
| Brewster | 09:36:50 | -18.2 | Dark | Down | 26.5 | 179.0 | Low | 09:27:03 - 09:46:36 | 3729 |
| Manson/Chelan | 09:36:51 | -18.5 | Dark | Down | 26.7 | 178.6 | Low | 09:27:05 - 09:46:38 | 3718 |
| Wenatchee | 09:36:52 | -19.0 | Dark | Down | 27.1 | 178.4 | Low | 09:27:05 - 09:46:38 | 3694 |
| Ellensburg | 09:36:53 | -19.4 | Dark | Down | 27.6 | 178.1 | Low | 09:27:06 - 09:46:39 | 3673 |
| Yakima | 09:36:53 | -19.8 | Dark | Down | 28.0 | 178.1 | Low | 09:27:06 - 09:46:39 | 3652 |
| Toppenish/White Swan | 09:36:52 | -19.9 | Dark | Down | 28.2 | 178.3 | Low | 09:27:06 - 09:46:39 | 3641 |
| PNWRO | 09:36:47 | -19.8 | Dark | Down | 28.6 | 179.9 | Low | 09:27:00 - 09:46:33 | 3622 |
| The Dalles | 09:36:55 | -20.9 | Dark | Down | 28.9 | 177.4 | Low | 09:27:08 - 09:46:41 | 3598 |
| Maupin | 09:36:55 | -21.2 | Dark | Down | 29.4 | 177.5 | Low | 09:27:08 - 09:46:41 | 3576 |
| Sisters | 09:36:57 | -22.2 | Dark | Down | 30.2 | 177.0 | Up | 09:27:10 - 09:46:43 | 3527 |
| Bend | 09:36:56 | -22.3 | Dark | Down | 30.5 | 177.2 | Up | 09:27:09 - 09:46:42 | 3514 |
| Oregon Observatory | 09:36:56 | -22.5 | Dark | Down | 30.6 | 177.1 | Up | 09:27:09 - 09:46:42 | 3504 |
| Chiloquin | 09:36:58 | -23.8 | Dark | Down | 31.9 | 176.6 | Up | 09:27:11 - 09:46:44 | 3428 |
| Klamath Falls | 09:36:57 | -24.1 | Dark | Down | 32.3 | 176.7 | Up | 09:27:11 - 09:46:44 | 3407 |
| Cedarville | 09:36:52 | -24.3 | Dark | Down | 33.0 | 178.5 | Up | 09:27:05 - 09:46:38 | 3368 |
| Fall River/Burney | 09:36:56 | -25.1 | Dark | Down | 33.5 | 177.1 | Up | 09:27:10 - 09:46:43 | 3337 |
| Greenville | 09:36:55 | -25.8 | Dark | Down | 34.4 | 177.5 | Up | 09:27:08 - 09:46:41 | 3281 |
| Gimple | 09:36:54 | -25.7 | Dark | Down | 34.4 | 177.6 | Up | 09:27:08 - 09:46:41 | 3281 |
| Quincy | 09:36:55 | -26.0 | Dark | Down | 34.6 | 177.5 | Up | 09:27:08 - 09:46:41 | 3268 |
| Portola | 09:36:53 | -25.9 | Dark | Down | 34.7 | 178.1 | Up | 09:27:07 - 09:46:40 | 3261 |
| Dunrhomin | 09:35:57 | -19.3 | Dark | Down | 32.9 | 195.5 | Up | 09:26:10 - 09:45:43 | 3260 |
| CU-SBO | 09:35:57 | -19.5 | Dark | Down | 33.2 | 195.4 | Up | 09:26:10 - 09:45:43 | 3245 |
| Reno | 09:36:51 | -25.9 | Dark | Down | 35.0 | 178.8 | Up | 09:27:04 - 09:46:37 | 3245 |
| Carson City | 09:36:50 | -26.2 | Dark | Down | 35.4 | 178.9 | Up | 09:27:04 - 09:46:37 | 3222 |
| Yerington | 09:36:48 | -26.2 | Dark | Down | 35.6 | 179.6 | Up | 09:27:02 - 09:46:35 | 3210 |
| Gardnerville | 09:36:50 | -26.4 | Dark | Down | 35.6 | 178.9 | Up | 09:27:04 - 09:46:37 | 3206 |
| Hawthorne | 09:36:46 | -26.4 | Dark | Down | 36.0 | 180.2 | Up | 09:27:00 - 09:46:33 | 3180 |
| Lee Vining | 09:36:48 | -27.1 | Dark | Down | 36.6 | 179.6 | Up | 09:27:02 - 09:46:35 | 3143 |
| Bishop | 09:36:45 | -27.4 | Dark | Down | 37.2 | 180.5 | Up | 09:26:59 - 09:46:32 | 3103 |
| Beatty | 09:36:39 | -27.1 | Dark | Down | 37.6 | 182.5 | Up | 09:26:53 - 09:46:26 | 3071 |
| Patrick | 09:36:27 | -27.2 | Dark | Down | 38.9 | 186.0 | Up | 09:26:41 - 09:46:14 | 2966 |
| Laughlin/Bullhead City | 09:36:30 | -27.7 | Dark | Down | 39.2 | 185.2 | Up | 09:26:44 - 09:46:17 | 2949 |
| Lake Havasu City | 09:36:29 | -28.2 | Dark | Down | 39.9 | 185.6 | Up | 09:26:43 - 09:46:16 | 2901 |
| Wildwood | 09:36:46 | -30.3 | Dark | Down | 40.5 | 180.3 | Up | 09:26:59 - 09:46:32 | 2875 |
| Idyllwild | 09:36:38 | -29.9 | Dark | Down | 40.8 | 182.6 | Up | 09:26:52 - 09:46:25 | 2849 |
| George/Scottsdale | 09:36:19 | -27.7 | Dark | Down | 40.4 | 188.7 | Up | 09:26:32 - 09:46:05 | 2840 |
| Calipatria | 09:36:34 | -29.9 | Dark | Down | 41.3 | 184.2 | Up | 09:26:47 - 09:46:20 | 2803 |
| Yuma | 09:36:30 | -29.8 | Dark | Down | 41.7 | 185.3 | Up | 09:26:43 - 09:46:16 | 2770 |
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 533559, (2026/05/20 09:38UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 18.59 140 35Eta Oph 17:10:22.7 -15:43:29 2.6 5.64 147 55Xi Ser 17:37:35.1 -15:23:56 3.5 0.92 152 PPM 233314 17:36:21.9 -15:29:06 8.3 0.63 152 PPM 233266 17:34:42.5 -15:31:35 9.9 0.25 152 533559 17:33:45.6 -15:26:03 16.2 152 Positions are for J2000
Event circumstances last updated at 2022/11/02 02:13:29 UT
Marc W. Buie, Southwest Research Institute