Event between (38628) Huya and star GA0820:06973700 with event index number of 2433017
Geocentric closest approach at 2026/04/23 11:29:03 UTC
J2000 position of star is 17:54:04.0 -07:46:25
Equinox of date position of star is 17:55:23.7 -07:46:36
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 147 degrees from the moon.
Moon is 43% illuminated.
Apparent brightness V=19.6
[RECON map]
Object is 29.3 AU from the Sun
and 28.8 AU from the Earth.
Apparent velocity is 12.1
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 159 seconds.
The 1-sigma cross-track error in the shadow position is
1183 km.
The sky-plane scale is
20873.0 km/arcsec.
The object has an absolute magnitude Hv=4.8
Diameter=648.7 km assuming a 5% albedo -- 54.2 sec chord
Diameter=264.8 km assuming a 30% albedo -- 22.1 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 38628, (2026/04/23 11:30UT) Object RA Dec mag sep mel Antares 16:31:01.5 -26:29:17 0.9 27.43 135 60Bet Oph 17:44:46.4 +04:33:29 2.8 12.62 137 PPM 201153 17:54:03.4 -06:08:52 5.9 1.67 146 PPM 201195 17:56:23.3 -07:44:13 6.9 0.22 148 PPM 201184 17:55:31.0 -07:42:36 9.9 0.07 147 38628 17:55:29.7 -07:46:37 16.6 148 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 12.0 km
RECON observability=0.6 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 | 11:32:06 | -3.3 | CT | Down | 29.5 | 191.5 | Low | 11:18:23 - 11:45:49 | 10289 |
| Dunrhomin | 11:31:16 | -7.9 | NT | Down | 41.0 | 194.1 | Up | 11:17:33 - 11:44:59 | 9745 |
| Nikitin | 11:31:17 | -8.0 | NT | Down | 41.2 | 194.1 | Up | 11:17:34 - 11:45:00 | 9733 |
| CU-SBO | 11:31:15 | -8.0 | NT | Down | 41.2 | 194.0 | Up | 11:17:32 - 11:44:58 | 9726 |
| Kamloops | 11:33:10 | -11.5 | NT | Down | 31.4 | 175.3 | Up | 11:19:27 - 11:46:53 | 9704 |
| Kelowna | 11:33:07 | -11.6 | NT | Down | 32.3 | 176.3 | Up | 11:19:24 - 11:46:50 | 9695 |
| Peachland | 11:33:05 | -11.8 | NT | Down | 32.4 | 175.9 | Up | 11:19:22 - 11:46:48 | 9678 |
| Penticton | 11:33:05 | -11.8 | NT | Down | 32.6 | 176.1 | Up | 11:19:22 - 11:46:48 | 9674 |
| Summerland | 11:33:05 | -11.8 | NT | Down | 32.5 | 176.0 | Up | 11:19:22 - 11:46:48 | 9673 |
| Oliver | 11:33:03 | -12.0 | AT | Down | 33.0 | 176.1 | Up | 11:19:20 - 11:46:46 | 9655 |
| Anarchist Mountain Observatory | 11:33:03 | -12.0 | AT | Down | 33.2 | 176.3 | Up | 11:19:20 - 11:46:46 | 9653 |
| Okanogan | 11:33:00 | -12.5 | AT | Down | 33.8 | 176.0 | Up | 11:19:17 - 11:46:43 | 9609 |
| Brewster | 11:33:03 | -12.8 | AT | Down | 34.0 | 175.8 | Up | 11:19:20 - 11:46:46 | 9586 |
| Manson/Chelan | 11:33:02 | -13.1 | AT | Down | 34.2 | 175.3 | Up | 11:19:19 - 11:46:45 | 9559 |
| Wenatchee | 11:33:02 | -13.5 | AT | Down | 34.7 | 175.1 | Up | 11:19:19 - 11:46:45 | 9525 |
| PNWRO | 11:32:51 | -13.5 | AT | Down | 36.2 | 176.7 | Up | 11:19:08 - 11:46:34 | 9502 |
| Ellensburg | 11:33:04 | -13.9 | AT | Down | 35.1 | 174.8 | Up | 11:19:21 - 11:46:47 | 9493 |
| Yakima | 11:33:03 | -14.1 | AT | Down | 35.5 | 174.8 | Up | 11:19:20 - 11:46:46 | 9468 |
| Victoria | 11:33:21 | -14.4 | AT | Down | 33.4 | 171.6 | Up | 11:19:38 - 11:47:04 | 9467 |
| Toppenish/White Swan | 11:33:00 | -14.1 | AT | Down | 35.7 | 175.0 | Up | 11:19:17 - 11:46:43 | 9462 |
| The Dalles | 11:33:02 | -15.0 | AT | Down | 36.4 | 173.9 | Up | 11:19:19 - 11:46:45 | 9384 |
| Maupin | 11:33:00 | -15.2 | AT | Down | 36.9 | 174.0 | Up | 11:19:17 - 11:46:43 | 9362 |
| Sisters | 11:33:02 | -16.0 | AT | Down | 37.7 | 173.3 | Up | 11:19:19 - 11:46:45 | 9288 |
| Bend | 11:33:00 | -16.0 | AT | Down | 38.0 | 173.6 | Up | 11:19:17 - 11:46:43 | 9284 |
| Oregon Observatory | 11:32:57 | -16.2 | AT | Down | 38.1 | 173.4 | Up | 11:19:14 - 11:46:40 | 9268 |
| Cedarville | 11:32:44 | -16.9 | AT | Down | 40.6 | 174.8 | Up | 11:19:01 - 11:46:27 | 9173 |
| Chiloquin | 11:33:00 | -17.2 | AT | Down | 39.4 | 172.8 | Up | 11:19:17 - 11:46:43 | 9166 |
| Klamath Falls | 11:32:58 | -17.4 | AT | Down | 39.7 | 172.9 | Up | 11:19:15 - 11:46:41 | 9147 |
| Fall River/Burney | 11:32:53 | -17.9 | AT | Down | 40.9 | 173.2 | Up | 11:19:10 - 11:46:36 | 9087 |
| Reno | 11:32:39 | -17.8 | AT | Down | 42.6 | 175.1 | Up | 11:18:56 - 11:46:22 | 9058 |
| Patrick | 11:31:47 | -16.1 | AT | Down | 46.8 | 183.0 | Up | 11:18:04 - 11:45:30 | 9054 |
| Yerington | 11:32:35 | -17.7 | AT | Down | 43.2 | 175.9 | Up | 11:18:52 - 11:46:18 | 9051 |
| Gimple | 11:32:49 | -18.1 | Dark | Down | 41.9 | 173.8 | Up | 11:19:06 - 11:46:32 | 9051 |
| Greenville | 11:32:46 | -18.2 | Dark | Down | 41.9 | 173.7 | Up | 11:19:03 - 11:46:29 | 9047 |
| Portola | 11:32:43 | -18.0 | Dark | Down | 42.3 | 174.3 | Up | 11:19:00 - 11:46:26 | 9047 |
| Hawthorne | 11:32:29 | -17.6 | AT | Down | 43.6 | 176.6 | Up | 11:18:46 - 11:46:12 | 9044 |
| Carson City | 11:32:39 | -18.0 | AT | Down | 42.9 | 175.1 | Up | 11:18:56 - 11:46:22 | 9035 |
| Quincy | 11:32:46 | -18.3 | Dark | Down | 42.1 | 173.7 | Up | 11:19:03 - 11:46:29 | 9033 |
| George/Scottsdale | 11:31:32 | -15.5 | AT | Down | 48.3 | 186.0 | Up | 11:17:49 - 11:45:15 | 9033 |
| Gardnerville | 11:32:36 | -18.1 | Dark | Down | 43.2 | 175.1 | Up | 11:18:53 - 11:46:19 | 9021 |
| Beatty | 11:32:11 | -17.3 | AT | Down | 45.3 | 179.0 | Up | 11:18:28 - 11:45:54 | 9020 |
| Laughlin/Bullhead City | 11:31:53 | -16.7 | AT | Down | 47.0 | 182.0 | Up | 11:18:10 - 11:45:36 | 9004 |
| Lee Vining | 11:32:29 | -18.3 | Dark | Down | 44.2 | 175.9 | Up | 11:18:46 - 11:46:12 | 8984 |
| Bishop | 11:32:22 | -18.1 | Dark | Down | 44.8 | 176.8 | Up | 11:18:39 - 11:46:05 | 8976 |
| Lake Havasu City | 11:31:48 | -16.8 | AT | Down | 47.7 | 182.4 | Up | 11:18:05 - 11:45:31 | 8969 |
| Yuma | 11:31:46 | -17.9 | AT | Down | 49.5 | 182.0 | Up | 11:18:03 - 11:45:29 | 8827 |
| Calipatria | 11:31:51 | -18.4 | Dark | Down | 49.1 | 180.7 | Up | 11:18:08 - 11:45:34 | 8815 |
| Idyllwild | 11:32:00 | -18.9 | Dark | Down | 48.5 | 179.0 | Up | 11:18:17 - 11:45:43 | 8802 |
| Wildwood | 11:32:15 | -20.0 | Dark | Down | 48.1 | 176.2 | Up | 11:18:32 - 11:45:58 | 8736 |
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 38628, (2026/04/23 11:30UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 27.43 135 60Bet Oph 17:43:28.3 +04:34:06 2.8 12.62 137 PPM 201153 17:52:38.7 -06:08:37 5.9 1.67 146 PPM 201195 17:54:57.6 -07:44:03 6.9 0.22 148 PPM 201184 17:54:05.3 -07:42:24 9.9 0.07 147 38628 17:54:04.0 -07:46:25 16.6 147 Positions are for J2000
Event circumstances last updated at 2024/06/18 21:26:20 UT
Marc W. Buie, Southwest Research Institute