Event between (523716) 14KW101 and star GA0900:16159784 with event index number of 2375151
Geocentric closest approach at 2026/12/15 03:54:03 UTC
J2000 position of star is 21:20:19.7 +01:18:09
Equinox of date position of star is 21:21:32.7 +01:24:17
Stellar brightness G=15.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 17 degrees from the moon.
Moon is 30% illuminated.
Apparent brightness V=22.1
[RECON map]
Object is 39.4 AU from the Sun
and 39.8 AU from the Earth.
Apparent velocity is 21.5
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 96 seconds.
The 1-sigma cross-track error in the shadow position is
1460 km.
The sky-plane scale is
28878.5 km/arcsec.
The object has an absolute magnitude Hv=6.0
Diameter=371.5 km assuming a 5% albedo -- 17.8 sec chord
Diameter=151.7 km assuming a 30% albedo -- 7.3 sec chord
Dynamical classification is SCATEXTD
Star training set for 523716, (2026/12/15 03:50UT) Object RA Dec mag sep mel Fomalhaut 22:59:07.9 -29:28:43 1.2 38.68 22 Tarazed 19:47:32.4 +10:40:51 2.7 25.15 41 8Alp Equ 21:17:10.2 +05:21:39 3.9 4.10 20 PPM 171641 21:23:12.7 +01:28:39 7.4 0.38 17 PPM 171631 21:22:57.7 +01:20:24 10.0 0.32 16 PPM 171607 21:21:59.1 +01:39:43 10.6 0.25 17 523716 21:21:42.0 +01:25:05 15.7 17 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 29.9 km
RECON observability=0.5 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 | 03:56:46 | -45.0 | Dark | Up | 9.0 | 260.5 | Really Low | 03:48:15 - 04:05:16 | 3360 |
| Kamloops | 03:56:35 | -36.7 | Dark | Up | 18.1 | 248.9 | Really Low | 03:48:04 - 04:05:05 | 3224 |
| Kelowna | 03:56:40 | -37.3 | Dark | Up | 17.8 | 249.9 | Really Low | 03:48:09 - 04:05:10 | 3172 |
| Peachland | 03:56:39 | -37.2 | Dark | Up | 18.0 | 249.7 | Really Low | 03:48:09 - 04:05:10 | 3164 |
| Summerland | 03:56:40 | -37.2 | Dark | Up | 18.0 | 249.8 | Really Low | 03:48:10 - 04:05:11 | 3154 |
| Penticton | 03:56:41 | -37.3 | Dark | Up | 18.0 | 249.9 | Really Low | 03:48:10 - 04:05:11 | 3150 |
| Oliver | 03:56:41 | -37.4 | Dark | Up | 18.1 | 250.0 | Really Low | 03:48:11 - 04:05:12 | 3125 |
| Anarchist Mountain Observatory | 03:56:43 | -37.5 | Dark | Up | 18.0 | 250.3 | Really Low | 03:48:12 - 04:05:13 | 3115 |
| Okanogan | 03:56:45 | -37.5 | Dark | Up | 18.4 | 250.3 | Really Low | 03:48:14 - 04:05:15 | 3068 |
| Victoria | 03:56:38 | -34.9 | Dark | Up | 20.7 | 247.0 | Low | 03:48:08 - 04:05:09 | 3065 |
| Brewster | 03:56:45 | -37.4 | Dark | Up | 18.6 | 250.2 | Really Low | 03:48:15 - 04:05:16 | 3049 |
| Manson/Chelan | 03:56:46 | -37.1 | Dark | Up | 18.9 | 250.0 | Really Low | 03:48:15 - 04:05:16 | 3032 |
| Wenatchee | 03:56:47 | -37.1 | Dark | Up | 19.1 | 250.0 | Really Low | 03:48:17 - 04:05:18 | 2998 |
| Ellensburg | 03:56:48 | -37.0 | Dark | Up | 19.4 | 250.0 | Really Low | 03:48:18 - 04:05:19 | 2967 |
| Yakima | 03:56:49 | -37.0 | Dark | Up | 19.6 | 250.1 | Really Low | 03:48:19 - 04:05:20 | 2938 |
| Toppenish/White Swan | 03:56:51 | -37.1 | Dark | Up | 19.5 | 250.3 | Really Low | 03:48:20 - 04:05:21 | 2923 |
| PNWRO | 03:56:54 | -38.2 | Dark | Up | 18.7 | 251.6 | Really Low | 03:48:24 - 04:05:25 | 2901 |
| The Dalles | 03:56:52 | -36.6 | Dark | Up | 20.3 | 249.9 | Low | 03:48:22 - 04:05:23 | 2862 |
| Maupin | 03:56:54 | -36.7 | Dark | Up | 20.4 | 250.2 | Low | 03:48:23 - 04:05:24 | 2831 |
| Sisters | 03:56:56 | -36.4 | Dark | Up | 21.0 | 250.1 | Low | 03:48:26 - 04:05:27 | 2763 |
| Bend | 03:56:57 | -36.6 | Dark | Up | 20.9 | 250.4 | Low | 03:48:27 - 04:05:28 | 2746 |
| Oregon Observatory | 03:56:57 | -36.5 | Dark | Up | 21.0 | 250.3 | Low | 03:48:27 - 04:05:28 | 2733 |
| Chiloquin | 03:57:01 | -36.3 | Dark | Up | 21.8 | 250.5 | Low | 03:48:31 - 04:05:32 | 2628 |
| Klamath Falls | 03:57:02 | -36.3 | Dark | Up | 21.8 | 250.7 | Low | 03:48:32 - 04:05:33 | 2602 |
| Cedarville | 03:57:08 | -37.6 | Dark | Up | 20.9 | 252.2 | Low | 03:48:37 - 04:05:38 | 2553 |
| Fall River/Burney | 03:57:07 | -36.6 | Dark | Up | 21.9 | 251.5 | Low | 03:48:36 - 04:05:37 | 2509 |
| Dunrhomin | 03:57:32 | -49.0 | Dark | Up | 10.0 | 263.2 | Really Low | 03:49:02 - 04:06:03 | 2506 |
| Nikitin | 03:57:33 | -49.1 | Dark | Up | 10.0 | 263.2 | Really Low | 03:49:02 - 04:06:03 | 2491 |
| CU-SBO | 03:57:32 | -49.0 | Dark | Up | 10.1 | 263.1 | Really Low | 03:49:02 - 04:06:03 | 2486 |
| Gimple | 03:57:11 | -37.0 | Dark | Up | 21.8 | 252.2 | Low | 03:48:40 - 04:05:41 | 2438 |
| Greenville | 03:57:11 | -37.0 | Dark | Up | 21.9 | 252.2 | Low | 03:48:40 - 04:05:41 | 2438 |
| Quincy | 03:57:11 | -37.0 | Dark | Up | 21.9 | 252.2 | Low | 03:48:41 - 04:05:42 | 2421 |
| Portola | 03:57:13 | -37.4 | Dark | Up | 21.6 | 252.6 | Low | 03:48:42 - 04:05:43 | 2413 |
| Reno | 03:57:15 | -37.9 | Dark | Up | 21.2 | 253.2 | Low | 03:48:44 - 04:05:45 | 2394 |
| Carson City | 03:57:16 | -37.9 | Dark | Up | 21.3 | 253.4 | Low | 03:48:46 - 04:05:47 | 2364 |
| Yerington | 03:57:18 | -38.4 | Dark | Up | 20.9 | 253.9 | Low | 03:48:47 - 04:05:48 | 2351 |
| Gardnerville | 03:57:17 | -37.9 | Dark | Up | 21.3 | 253.5 | Low | 03:48:46 - 04:05:47 | 2344 |
| Hawthorne | 03:57:20 | -38.8 | Dark | Up | 20.6 | 254.5 | Low | 03:48:50 - 04:05:51 | 2314 |
| Lee Vining | 03:57:21 | -38.4 | Dark | Up | 21.1 | 254.3 | Low | 03:48:51 - 04:05:52 | 2265 |
| Bishop | 03:57:24 | -39.0 | Dark | Up | 20.7 | 255.1 | Low | 03:48:54 - 04:05:55 | 2217 |
| Beatty | 03:57:28 | -40.3 | Dark | Up | 19.5 | 256.3 | Really Low | 03:48:58 - 04:05:59 | 2184 |
| Patrick | 03:57:37 | -42.6 | Dark | Up | 17.5 | 258.7 | Really Low | 03:49:07 - 04:06:08 | 2068 |
| Laughlin/Bullhead City | 03:57:37 | -42.1 | Dark | Up | 18.2 | 258.4 | Really Low | 03:49:07 - 04:06:08 | 2043 |
| Lake Havasu City | 03:57:40 | -42.3 | Dark | Up | 18.1 | 258.7 | Really Low | 03:49:09 - 04:06:10 | 1985 |
| Wildwood | 03:57:33 | -38.7 | Dark | Up | 21.6 | 256.2 | Low | 03:49:03 - 04:06:04 | 1931 |
| George/Scottsdale | 03:57:46 | -44.3 | Dark | Up | 16.2 | 260.5 | Really Low | 03:49:15 - 04:06:16 | 1926 |
| Idyllwild | 03:57:38 | -40.2 | Dark | Up | 20.2 | 257.5 | Low | 03:49:07 - 04:06:08 | 1908 |
| Calipatria | 03:57:42 | -41.2 | Dark | Up | 19.3 | 258.5 | Really Low | 03:49:11 - 04:06:12 | 1857 |
| Yuma | 03:57:44 | -41.9 | Dark | Up | 18.7 | 259.2 | Really Low | 03:49:14 - 04:06:15 | 1822 |
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 523716, (2026/12/15 03:50UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 38.68 22 Tarazed 19:46:15.6 +10:36:48 2.7 25.15 41 8Alp Equ 21:15:49.5 +05:14:50 3.9 4.10 20 PPM 171641 21:21:50.3 +01:21:42 7.4 0.38 17 PPM 171631 21:21:35.3 +01:13:27 10.0 0.32 16 PPM 171607 21:20:36.8 +01:32:47 10.6 0.25 17 523716 21:20:19.7 +01:18:09 15.7 17 Positions are for J2000
Event circumstances last updated at 2023/11/22 04:20:53 UT
Marc W. Buie, Southwest Research Institute