Event between (523733) 14PR70 and star GA1180:00978094 with event index number of 2308004
Geocentric closest approach at 2023/08/17 09:23:53 UTC
J2000 position of star is 04:48:23.5 +29:55:26
Equinox of date position of star is 04:49:47.9 +29:57:41
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 80 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=22.9
[RECON map]
TNO is 16.2 AU from the Sun
and 16.5 AU from the Earth.
The TNO is moving 19.5
km/sec on the sky relative to the star, or,
5.9 arcsec/hr.
The 1-sigma error in the time of the event is 55 seconds.
The 1-sigma cross-track error in the shadow position is
664 km.
The sky-plane scale is
11979.0 km/arcsec.
The TNO has an absolute magnitude Hv=10.4
Diameter=50.4 km assuming a 5% albedo -- 2.6 sec chord
Diameter=20.6 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is CENTAURR
Star training set for 523733, (2023/08/17 09:24UT) Object RA Dec mag sep mel Aldebaran 04:37:16.7 +16:33:18 0.8 13.72 86 3Iot Aur 04:58:32.2 +33:12:05 2.7 3.72 78 PPM 069664 04:50:44.0 +31:28:35 6.4 1.52 80 PPM 093785 04:49:52.6 +29:48:46 7.5 0.15 80 523733 04:49:53.5 +29:57:50 16.1 80 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 13.6 km
RECON observability=1.0 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) |
| Victoria | 09:21:29 | -26.4 | Dark | Down | 22.2 | 69.4 | Low | 09:16:25 - 09:26:33 | 6282 |
| Kamloops | 09:21:39 | -23.8 | Dark | Down | 24.8 | 72.3 | Low | 09:16:35 - 09:26:43 | 6251 |
| Peachland | 09:21:35 | -24.5 | Dark | Down | 24.8 | 72.3 | Low | 09:16:31 - 09:26:39 | 6197 |
| Kelowna | 09:21:35 | -24.3 | Dark | Down | 25.1 | 72.6 | Low | 09:16:31 - 09:26:39 | 6191 |
| Summerland | 09:21:34 | -24.6 | Dark | Down | 24.9 | 72.3 | Low | 09:16:30 - 09:26:38 | 6189 |
| Penticton | 09:21:34 | -24.6 | Dark | Down | 24.9 | 72.3 | Low | 09:16:30 - 09:26:38 | 6182 |
| Oliver | 09:21:32 | -25.0 | Dark | Down | 24.8 | 72.2 | Low | 09:16:28 - 09:26:36 | 6169 |
| Anarchist Mountain Observatory | 09:21:30 | -25.1 | Dark | Down | 24.9 | 72.2 | Low | 09:16:26 - 09:26:34 | 6156 |
| Tonasket | 09:21:29 | -25.4 | Dark | Down | 24.7 | 72.1 | Low | 09:16:25 - 09:26:33 | 6146 |
| Manson/Chelan | 09:21:25 | -26.3 | Dark | Down | 24.0 | 71.2 | Low | 09:16:21 - 09:26:29 | 6141 |
| Okanogan | 09:21:27 | -25.8 | Dark | Down | 24.5 | 71.8 | Low | 09:16:23 - 09:26:31 | 6139 |
| Brewster | 09:21:26 | -26.1 | Dark | Down | 24.3 | 71.5 | Low | 09:16:22 - 09:26:30 | 6136 |
| Wenatchee | 09:21:23 | -26.8 | Dark | Down | 23.7 | 70.9 | Low | 09:16:19 - 09:26:27 | 6129 |
| Ellensburg | 09:21:21 | -27.3 | Dark | Down | 23.4 | 70.6 | Low | 09:16:17 - 09:26:25 | 6121 |
| Yakima | 09:21:19 | -27.7 | Dark | Down | 23.3 | 70.4 | Low | 09:16:15 - 09:26:23 | 6105 |
| Toppenish/White Swan | 09:21:18 | -27.8 | Dark | Down | 23.3 | 70.4 | Low | 09:16:14 - 09:26:22 | 6090 |
| The Dalles | 09:21:14 | -28.7 | Dark | Down | 22.5 | 69.6 | Low | 09:16:10 - 09:26:18 | 6088 |
| Goldendale | 09:21:15 | -28.4 | Dark | Down | 22.8 | 69.9 | Low | 09:16:11 - 09:26:19 | 6083 |
| Maupin | 09:21:12 | -29.1 | Dark | Down | 22.4 | 69.5 | Low | 09:16:08 - 09:26:16 | 6066 |
| Sisters | 09:21:08 | -30.1 | Dark | Down | 21.8 | 68.9 | Low | 09:16:04 - 09:26:12 | 6048 |
| Bend | 09:21:06 | -30.2 | Dark | Down | 21.9 | 68.9 | Low | 09:16:02 - 09:26:10 | 6028 |
| Oregon Observatory | 09:21:06 | -30.4 | Dark | Down | 21.7 | 68.8 | Low | 09:16:02 - 09:26:10 | 6025 |
| PNWRO | 09:21:15 | -27.8 | Dark | Down | 24.2 | 71.2 | Low | 09:16:11 - 09:26:19 | 6017 |
| Chiloquin | 09:21:00 | -31.8 | Dark | Down | 20.9 | 68.1 | Low | 09:15:56 - 09:26:04 | 5982 |
| North Lake | 09:21:03 | -30.9 | Dark | Down | 21.9 | 68.9 | Low | 09:15:59 - 09:26:07 | 5975 |
| Klamath Falls | 09:20:58 | -32.1 | Dark | Down | 20.9 | 68.0 | Low | 09:15:54 - 09:26:02 | 5963 |
| Lakeview | 09:20:57 | -31.7 | Dark | Down | 21.8 | 68.8 | Low | 09:15:53 - 09:26:01 | 5904 |
| Fall River/Burney | 09:20:53 | -33.1 | Dark | Down | 20.7 | 67.8 | Low | 09:15:49 - 09:25:57 | 5892 |
| Cedarville | 09:20:54 | -32.3 | Dark | Down | 21.7 | 68.6 | Low | 09:15:50 - 09:25:58 | 5865 |
| Susanville | 09:20:49 | -33.5 | Dark | Down | 20.9 | 67.9 | Low | 09:15:45 - 09:25:53 | 5831 |
| Greenville | 09:20:48 | -33.8 | Dark | Down | 20.6 | 67.7 | Low | 09:15:44 - 09:25:52 | 5829 |
| Gimple | 09:20:48 | -33.8 | Dark | Down | 20.7 | 67.7 | Low | 09:15:44 - 09:25:52 | 5826 |
| Quincy | 09:20:47 | -34.0 | Dark | Down | 20.5 | 67.6 | Low | 09:15:43 - 09:25:51 | 5819 |
| Portola | 09:20:46 | -34.0 | Dark | Down | 20.8 | 67.8 | Low | 09:15:42 - 09:25:50 | 5793 |
| Sleaford | 09:21:49 | -18.4 | Dark | Down | 33.9 | 83.4 | Up | 09:16:45 - 09:26:53 | 5783 |
| Reno | 09:20:45 | -34.0 | Dark | Down | 21.2 | 68.1 | Low | 09:15:41 - 09:25:49 | 5752 |
| Carson City | 09:20:43 | -34.4 | Dark | Down | 21.1 | 67.9 | Low | 09:15:39 - 09:25:47 | 5732 |
| Gardnerville | 09:20:42 | -34.6 | Dark | Down | 21.0 | 67.9 | Low | 09:15:38 - 09:25:46 | 5718 |
| Yerington | 09:20:42 | -34.3 | Dark | Down | 21.5 | 68.2 | Low | 09:15:38 - 09:25:46 | 5695 |
| Hawthorne | 09:20:40 | -34.6 | Dark | Down | 21.7 | 68.3 | Low | 09:15:36 - 09:25:44 | 5647 |
| Lee Vining | 09:20:37 | -35.3 | Dark | Down | 21.1 | 67.8 | Low | 09:15:33 - 09:25:41 | 5639 |
| Bishop | 09:20:34 | -35.6 | Dark | Down | 21.4 | 68.0 | Low | 09:15:30 - 09:25:38 | 5574 |
| Tonopah | 09:20:37 | -34.6 | Dark | Down | 22.5 | 68.8 | Low | 09:15:33 - 09:25:41 | 5560 |
| Beatty | 09:20:32 | -35.4 | Dark | Down | 22.4 | 68.6 | Low | 09:15:28 - 09:25:36 | 5475 |
| Indian Springs | 09:20:30 | -35.3 | Dark | Down | 23.1 | 69.0 | Low | 09:15:26 - 09:25:34 | 5407 |
| Wildwood | 09:20:20 | -38.6 | Dark | Down | 19.9 | 66.7 | Really Low | 09:15:16 - 09:25:24 | 5396 |
| Henderson | 09:20:28 | -35.5 | Dark | Down | 23.4 | 69.1 | Low | 09:15:24 - 09:25:32 | 5343 |
| Idyllwild | 09:20:18 | -38.3 | Dark | Down | 21.2 | 67.4 | Low | 09:15:14 - 09:25:22 | 5287 |
| Laughlin/Bullhead City | 09:20:24 | -36.1 | Dark | Down | 23.4 | 68.9 | Low | 09:15:20 - 09:25:28 | 5272 |
| Mohave Valley | 09:20:23 | -36.4 | Dark | Down | 23.3 | 68.8 | Low | 09:15:19 - 09:25:27 | 5255 |
| Patrick | 09:20:25 | -35.6 | Dark | Down | 24.0 | 69.3 | Low | 09:15:21 - 09:25:29 | 5254 |
| Kingman/Dolan Springs | 09:20:24 | -35.9 | Dark | Down | 23.8 | 69.1 | Low | 09:15:20 - 09:25:28 | 5250 |
| Lake Havasu City | 09:20:21 | -36.6 | Dark | Down | 23.4 | 68.7 | Low | 09:15:17 - 09:25:25 | 5219 |
| Parker | 09:20:19 | -36.9 | Dark | Down | 23.2 | 68.6 | Low | 09:15:15 - 09:25:23 | 5196 |
| Calipatria | 09:20:16 | -38.3 | Dark | Down | 21.9 | 67.7 | Low | 09:15:12 - 09:25:20 | 5192 |
| Dunrhomin | 09:20:50 | -27.7 | Dark | Down | 32.1 | 76.1 | Up | 09:15:46 - 09:25:54 | 5136 |
| CU-SBO | 09:20:49 | -28.0 | Dark | Down | 32.0 | 75.9 | Up | 09:15:45 - 09:25:53 | 5126 |
| Yuma | 09:20:14 | -38.3 | Dark | Down | 22.4 | 67.9 | Low | 09:15:10 - 09:25:18 | 5122 |
| George/Scottsdale | 09:20:17 | -36.2 | Dark | Down | 25.0 | 69.5 | Low | 09:15:13 - 09:25:21 | 5052 |
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 523733, (2023/08/17 09:24UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 13.72 86 3Iot Aur 04:56:59.6 +33:09:58 2.7 3.72 78 PPM 069664 04:49:12.9 +31:26:12 6.4 1.52 80 PPM 093785 04:48:22.7 +29:46:22 7.5 0.15 80 523733 04:48:23.5 +29:55:26 16.1 80 Positions are for J2000
Event circumstances last updated at 2022/03/01 23:06:35 UT
Marc W. Buie, Southwest Research Institute