Event between (523740) 14TV85 and star GA0760:04584511 with event index number of 2324220
Geocentric closest approach at 2023/02/18 11:19:47 UTC
J2000 position of star is 12:00:32.0 -13:36:48
Equinox of date position of star is 12:01:40.8 -13:44:16
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 116 degrees from the moon.
Moon is 5% illuminated.
TNO apparent brightness V=21.3
[RECON map]
TNO is 14.8 AU from the Sun
and 14.0 AU from the Earth.
The TNO is moving 15.6
km/sec on the sky relative to the star, or,
5.5 arcsec/hr.
The 1-sigma error in the time of the event is 45 seconds.
The 1-sigma cross-track error in the shadow position is
553 km.
The sky-plane scale is
10154.6 km/arcsec.
The TNO has an absolute magnitude Hv=9.5
Diameter=77.3 km assuming a 5% albedo -- 5.0 sec chord
Diameter=31.5 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is CENTAURR
Star training set for 523740, (2023/02/18 11:19UT) Object RA Dec mag sep mel Spica 13:26:24.9 -11:16:53 1.0 20.81 100 4Gam Crv 12:17:00.0 -17:40:13 2.6 5.38 111 PPM 225013 11:52:32.4 -12:18:58 6.3 2.65 119 PPM 225149 11:58:07.3 -13:53:03 6.9 0.88 117 PPM 225232 12:01:30.4 -13:39:29 9.3 0.10 116 523740 12:01:43.2 -13:44:32 17.0 116 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 15.4 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) |
Sleaford | 11:18:52 | -27.2 | Dark | Down | 18.8 | 212.8 | Really Low | 11:14:38 - 11:23:06 | 4346 |
Kamloops | 11:19:45 | -35.9 | Dark | Down | 23.9 | 198.8 | Low | 11:15:31 - 11:23:59 | 4200 |
Kelowna | 11:19:39 | -35.8 | Dark | Down | 24.5 | 199.8 | Low | 11:15:25 - 11:23:53 | 4172 |
Peachland | 11:19:41 | -36.0 | Dark | Down | 24.6 | 199.5 | Low | 11:15:27 - 11:23:55 | 4165 |
Summerland | 11:19:40 | -36.0 | Dark | Down | 24.8 | 199.6 | Low | 11:15:26 - 11:23:54 | 4159 |
Penticton | 11:19:39 | -36.0 | Dark | Down | 24.8 | 199.7 | Low | 11:15:25 - 11:23:53 | 4157 |
Oliver | 11:19:38 | -36.2 | Dark | Down | 25.1 | 199.8 | Low | 11:15:24 - 11:23:52 | 4141 |
Anarchist Mountain Observatory | 11:19:37 | -36.1 | Dark | Down | 25.3 | 200.0 | Low | 11:15:23 - 11:23:51 | 4135 |
Tonasket | 11:19:37 | -36.3 | Dark | Down | 25.6 | 200.0 | Low | 11:15:23 - 11:23:51 | 4120 |
Okanogan | 11:19:36 | -36.6 | Dark | Down | 25.9 | 199.9 | Low | 11:15:22 - 11:23:50 | 4103 |
Brewster | 11:19:37 | -36.8 | Dark | Down | 26.2 | 199.7 | Low | 11:15:23 - 11:23:51 | 4088 |
Manson/Chelan | 11:19:38 | -37.1 | Dark | Down | 26.5 | 199.4 | Low | 11:15:24 - 11:23:52 | 4075 |
Victoria | 11:19:54 | -38.7 | Dark | Down | 26.5 | 195.9 | Low | 11:15:40 - 11:24:08 | 4073 |
Wenatchee | 11:19:38 | -37.4 | Dark | Down | 27.0 | 199.3 | Low | 11:15:24 - 11:23:52 | 4051 |
Ellensburg | 11:19:38 | -37.8 | Dark | Down | 27.4 | 199.1 | Low | 11:15:24 - 11:23:52 | 4029 |
Yakima | 11:19:37 | -38.0 | Dark | Down | 27.8 | 199.2 | Low | 11:15:23 - 11:23:51 | 4008 |
Toppenish/White Swan | 11:19:36 | -38.0 | Dark | Down | 28.0 | 199.4 | Low | 11:15:22 - 11:23:50 | 3999 |
PNWRO | 11:19:28 | -37.2 | Dark | Down | 28.0 | 201.0 | Low | 11:15:14 - 11:23:42 | 3995 |
Goldendale | 11:19:37 | -38.5 | Dark | Down | 28.6 | 199.0 | Low | 11:15:23 - 11:23:51 | 3967 |
The Dalles | 11:19:37 | -38.8 | Dark | Down | 28.9 | 198.7 | Low | 11:15:23 - 11:23:51 | 3951 |
Maupin | 11:19:36 | -38.9 | Dark | Down | 29.3 | 198.8 | Low | 11:15:22 - 11:23:50 | 3931 |
Sisters | 11:19:37 | -39.6 | Dark | Down | 30.2 | 198.5 | Up | 11:15:23 - 11:23:51 | 3880 |
Bend | 11:19:35 | -39.6 | Dark | Down | 30.4 | 198.8 | Up | 11:15:21 - 11:23:49 | 3869 |
Oregon Observatory | 11:19:36 | -39.7 | Dark | Down | 30.6 | 198.7 | Up | 11:15:22 - 11:23:50 | 3859 |
North Lake | 11:19:31 | -39.7 | Dark | Down | 31.0 | 199.4 | Up | 11:15:17 - 11:23:45 | 3829 |
Chiloquin | 11:19:35 | -40.6 | Dark | Down | 31.9 | 198.5 | Up | 11:15:21 - 11:23:49 | 3781 |
Lakeview | 11:19:27 | -39.7 | Dark | Down | 31.9 | 200.2 | Up | 11:15:13 - 11:23:41 | 3775 |
Dunrhomin | 11:18:09 | -29.6 | Dark | Down | 28.3 | 216.3 | Low | 11:13:55 - 11:22:23 | 3774 |
Klamath Falls | 11:19:33 | -40.7 | Dark | Down | 32.2 | 198.6 | Up | 11:15:19 - 11:23:47 | 3762 |
CU-SBO | 11:18:09 | -29.7 | Dark | Down | 28.6 | 216.3 | Low | 11:13:55 - 11:22:23 | 3759 |
Cedarville | 11:19:24 | -39.9 | Dark | Down | 32.5 | 200.5 | Up | 11:15:10 - 11:23:38 | 3739 |
Fall River/Burney | 11:19:30 | -40.9 | Dark | Down | 33.2 | 199.3 | Up | 11:15:16 - 11:23:44 | 3697 |
Susanville | 11:19:24 | -40.6 | Dark | Down | 33.7 | 200.2 | Up | 11:15:10 - 11:23:38 | 3668 |
Gimple | 11:19:25 | -40.9 | Dark | Down | 34.0 | 200.1 | Up | 11:15:11 - 11:23:39 | 3649 |
Greenville | 11:19:25 | -41.0 | Dark | Down | 34.0 | 200.0 | Up | 11:15:11 - 11:23:39 | 3648 |
Quincy | 11:19:25 | -41.0 | Dark | Down | 34.2 | 200.0 | Up | 11:15:11 - 11:23:39 | 3636 |
Portola | 11:19:22 | -40.7 | Dark | Down | 34.2 | 200.6 | Up | 11:15:08 - 11:23:36 | 3633 |
Reno | 11:19:18 | -40.4 | Dark | Down | 34.2 | 201.4 | Up | 11:15:04 - 11:23:32 | 3624 |
Carson City | 11:19:17 | -40.5 | Dark | Down | 34.6 | 201.5 | Up | 11:15:03 - 11:23:31 | 3602 |
Yerington | 11:19:13 | -40.1 | Dark | Down | 34.6 | 202.2 | Up | 11:14:59 - 11:23:27 | 3596 |
Gardnerville | 11:19:16 | -40.6 | Dark | Down | 34.8 | 201.6 | Up | 11:15:02 - 11:23:30 | 3587 |
Hawthorne | 11:19:10 | -39.9 | Dark | Down | 34.9 | 202.9 | Up | 11:14:56 - 11:23:24 | 3573 |
Tonopah | 11:19:01 | -39.0 | Dark | Down | 34.8 | 204.6 | Up | 11:14:47 - 11:23:15 | 3558 |
Lee Vining | 11:19:11 | -40.4 | Dark | Down | 35.5 | 202.5 | Up | 11:14:57 - 11:23:25 | 3532 |
Bishop | 11:19:05 | -40.1 | Dark | Down | 35.9 | 203.5 | Up | 11:14:51 - 11:23:19 | 3501 |
Beatty | 11:18:57 | -39.0 | Dark | Down | 35.7 | 205.4 | Up | 11:14:43 - 11:23:11 | 3487 |
Indian Springs | 11:18:50 | -38.3 | Dark | Down | 35.7 | 206.7 | Up | 11:14:36 - 11:23:04 | 3476 |
Henderson | 11:18:46 | -37.9 | Dark | Down | 35.9 | 207.6 | Up | 11:14:32 - 11:23:00 | 3446 |
Patrick | 11:18:38 | -37.2 | Dark | Down | 36.0 | 209.0 | Up | 11:14:24 - 11:22:52 | 3414 |
Kingman/Dolan Springs | 11:18:38 | -37.4 | Dark | Down | 36.3 | 208.9 | Up | 11:14:24 - 11:22:52 | 3398 |
Laughlin/Bullhead City | 11:18:41 | -37.8 | Dark | Down | 36.5 | 208.4 | Up | 11:14:27 - 11:22:55 | 3391 |
Mohave Valley | 11:18:40 | -37.9 | Dark | Down | 36.8 | 208.5 | Up | 11:14:26 - 11:22:54 | 3373 |
Lake Havasu City | 11:18:37 | -37.8 | Dark | Down | 37.0 | 208.9 | Up | 11:14:23 - 11:22:51 | 3348 |
Parker | 11:18:36 | -37.8 | Dark | Down | 37.3 | 209.0 | Up | 11:14:22 - 11:22:50 | 3324 |
George/Scottsdale | 11:18:22 | -36.0 | Dark | Down | 36.7 | 211.8 | Up | 11:14:08 - 11:22:36 | 3315 |
Wildwood | 11:19:00 | -41.2 | Dark | Down | 38.9 | 204.2 | Up | 11:14:46 - 11:23:14 | 3279 |
Idyllwild | 11:18:48 | -39.9 | Dark | Down | 38.6 | 206.5 | Up | 11:14:34 - 11:23:02 | 3274 |
Calipatria | 11:18:41 | -39.1 | Dark | Down | 38.7 | 208.0 | Up | 11:14:27 - 11:22:55 | 3241 |
Yuma | 11:18:35 | -38.4 | Dark | Down | 38.7 | 209.2 | Up | 11:14:21 - 11:22:49 | 3219 |
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 523740, (2023/02/18 11:19UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 20.81 100 4Gam Crv 12:15:48.1 -17:32:30 2.6 5.38 111 PPM 225013 11:51:21.5 -12:11:15 6.3 2.65 119 PPM 225149 11:56:56.3 -13:45:20 6.9 0.88 117 PPM 225232 12:00:19.2 -13:31:45 9.3 0.10 116 523740 12:00:32.0 -13:36:48 17.0 116 Positions are for J2000
Event circumstances last updated at 2022/05/03 01:02:11 UT
Marc W. Buie, Southwest Research Institute