Event between 05TV189 and star GA0900:01538875 with event index number of 1958066
Geocentric closest approach at 2023/02/08 03:58:59 UTC
J2000 position of star is 06:34:09.1 +01:39:15
Equinox of date position of star is 06:35:20.8 +01:38:05
Stellar brightness G=14.1,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 70 degrees from the moon.
Moon is 95% illuminated.
Apparent brightness V=22.9
[RECON map]
Object is 32.9 AU from the Sun
and 32.2 AU from the Earth.
Apparent velocity is 19.0
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 355 seconds.
The 1-sigma cross-track error in the shadow position is
5185 km.
The sky-plane scale is
23320.5 km/arcsec.
The object has an absolute magnitude Hv=7.6
Diameter=178.7 km assuming a 5% albedo -- 9.4 sec chord
Diameter=72.9 km assuming a 30% albedo -- 3.8 sec chord
Dynamical classification is 3:2E
Star training set for 05TV189, (2023/02/08 03:59UT) Object RA Dec mag sep mel Betelgeuse 05:56:25.4 +07:24:34 0.4 11.29 78 Alhena 06:39:02.8 +16:22:39 1.9 14.77 67 PPM 150810 06:36:27.3 +00:52:13 5.7 0.81 69 PPM 150790 06:35:51.7 +01:42:29 7.5 0.15 69 PPM 150765 06:35:18.1 +01:37:17 8.6 0.02 70 05TV189 06:35:21.0 +01:38:05 14.1 69 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
2.5 sigma about the mid-time.
The median site spacing is 24.1 km
RECON observability=1.0 and success probability=9.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 04:00:35 | -36.3 | Dark | Up | 39.3 | 171.9 | Up | 03:45:35 - 04:15:35 | -1294 |
| Kamloops | 04:01:24 | -28.3 | Dark | Up | 38.0 | 153.6 | Up | 03:46:24 - 04:16:24 | -1673 |
| Kelowna | 04:01:21 | -29.0 | Dark | Up | 39.0 | 154.4 | Up | 03:46:21 - 04:16:21 | -1721 |
| Peachland | 04:01:22 | -28.9 | Dark | Up | 39.0 | 154.0 | Up | 03:46:22 - 04:16:22 | -1735 |
| Summerland | 04:01:22 | -28.9 | Dark | Up | 39.1 | 154.0 | Up | 03:46:22 - 04:16:22 | -1745 |
| Penticton | 04:01:22 | -29.0 | Dark | Up | 39.2 | 154.2 | Up | 03:46:22 - 04:16:22 | -1748 |
| Oliver | 04:01:22 | -29.1 | Dark | Up | 39.6 | 154.0 | Up | 03:46:22 - 04:16:22 | -1776 |
| Anarchist Mountain Observatory | 04:01:22 | -29.2 | Dark | Up | 39.8 | 154.2 | Up | 03:46:22 - 04:16:22 | -1786 |
| Okanogan | 04:01:23 | -29.2 | Dark | Up | 40.3 | 153.7 | Up | 03:46:23 - 04:16:23 | -1843 |
| Brewster | 04:01:23 | -29.1 | Dark | Up | 40.5 | 153.3 | Up | 03:46:23 - 04:16:23 | -1869 |
| Manson/Chelan | 04:01:25 | -28.9 | Dark | Up | 40.5 | 152.8 | Up | 03:46:25 - 04:16:25 | -1893 |
| Victoria | 04:01:36 | -26.7 | Dark | Up | 38.9 | 149.1 | Up | 03:46:36 - 04:16:36 | -1903 |
| Wenatchee | 04:01:25 | -28.9 | Dark | Up | 40.9 | 152.4 | Up | 03:46:25 - 04:16:25 | -1935 |
| Ellensburg | 04:01:26 | -28.8 | Dark | Up | 41.2 | 152.0 | Up | 03:46:26 - 04:16:26 | -1974 |
| Yakima | 04:01:27 | -28.9 | Dark | Up | 41.6 | 151.8 | Up | 03:46:27 - 04:16:27 | -2008 |
| Toppenish/White Swan | 04:01:26 | -29.0 | Dark | Up | 41.8 | 151.9 | Up | 03:46:26 - 04:16:26 | -2023 |
| PNWRO | 04:01:21 | -30.1 | Dark | Up | 42.6 | 153.6 | Up | 03:46:21 - 04:16:21 | -2023 |
| The Dalles | 04:01:29 | -28.6 | Dark | Up | 42.2 | 150.6 | Up | 03:46:29 - 04:16:29 | -2104 |
| Maupin | 04:01:29 | -28.7 | Dark | Up | 42.6 | 150.5 | Up | 03:46:29 - 04:16:29 | -2138 |
| Dunrhomin | 04:00:24 | -41.0 | Dark | Up | 51.1 | 171.1 | Up | 03:45:24 - 04:15:24 | -2203 |
| Nikitin | 04:00:24 | -41.0 | Dark | Up | 51.2 | 171.0 | Up | 03:45:24 - 04:15:24 | -2219 |
| Sisters | 04:01:31 | -28.5 | Dark | Up | 43.2 | 149.5 | Up | 03:46:31 - 04:16:31 | -2223 |
| CU-SBO | 04:00:24 | -41.0 | Dark | Up | 51.3 | 170.9 | Up | 03:45:24 - 04:15:24 | -2227 |
| Bend | 04:01:30 | -28.7 | Dark | Up | 43.5 | 149.7 | Up | 03:46:30 - 04:16:30 | -2238 |
| Oregon Observatory | 04:01:30 | -28.6 | Dark | Up | 43.6 | 149.5 | Up | 03:46:30 - 04:16:30 | -2256 |
| Chiloquin | 04:01:32 | -28.5 | Dark | Up | 44.6 | 148.3 | Up | 03:46:32 - 04:16:32 | -2380 |
| Klamath Falls | 04:01:32 | -28.6 | Dark | Up | 44.9 | 148.2 | Up | 03:46:32 - 04:16:32 | -2409 |
| Cedarville | 04:01:26 | -29.8 | Dark | Up | 46.1 | 149.9 | Up | 03:46:26 - 04:16:26 | -2436 |
| Fall River/Burney | 04:01:31 | -28.9 | Dark | Up | 46.1 | 148.1 | Up | 03:46:31 - 04:16:31 | -2506 |
| Gimple | 04:01:28 | -29.4 | Dark | Up | 47.0 | 148.2 | Up | 03:46:28 - 04:16:28 | -2576 |
| Greenville | 04:01:29 | -29.4 | Dark | Up | 47.0 | 148.1 | Up | 03:46:29 - 04:16:29 | -2578 |
| Quincy | 04:01:29 | -29.4 | Dark | Up | 47.2 | 148.0 | Up | 03:46:29 - 04:16:29 | -2596 |
| Portola | 04:01:27 | -29.7 | Dark | Up | 47.5 | 148.6 | Up | 03:46:27 - 04:16:27 | -2597 |
| Reno | 04:01:24 | -30.3 | Dark | Up | 48.0 | 149.3 | Up | 03:46:24 - 04:16:24 | -2607 |
| Carson City | 04:01:24 | -30.3 | Dark | Up | 48.3 | 149.1 | Up | 03:46:24 - 04:16:24 | -2639 |
| Yerington | 04:01:22 | -30.8 | Dark | Up | 48.7 | 149.9 | Up | 03:46:22 - 04:16:22 | -2642 |
| Gardnerville | 04:01:24 | -30.4 | Dark | Up | 48.5 | 149.1 | Up | 03:46:24 - 04:16:24 | -2660 |
| Hawthorne | 04:01:19 | -31.3 | Dark | Up | 49.3 | 150.4 | Up | 03:46:19 - 04:16:19 | -2673 |
| Lee Vining | 04:01:21 | -30.9 | Dark | Up | 49.6 | 149.3 | Up | 03:46:21 - 04:16:21 | -2736 |
| Bishop | 04:01:18 | -31.5 | Dark | Up | 50.4 | 150.0 | Up | 03:46:18 - 04:16:18 | -2774 |
| Beatty | 04:01:11 | -32.9 | Dark | Up | 51.4 | 152.1 | Up | 03:46:11 - 04:16:11 | -2779 |
| Patrick | 04:00:58 | -35.3 | Dark | Up | 53.8 | 155.6 | Up | 03:45:58 - 04:15:58 | -2847 |
| Laughlin/Bullhead City | 04:01:01 | -34.8 | Dark | Up | 53.8 | 154.3 | Up | 03:46:01 - 04:16:01 | -2888 |
| Lake Havasu City | 04:01:00 | -35.0 | Dark | Up | 54.4 | 154.3 | Up | 03:46:00 - 04:16:00 | -2944 |
| George/Scottsdale | 04:00:48 | -37.1 | Dark | Up | 56.0 | 157.9 | Up | 03:45:48 - 04:15:48 | -2955 |
| Idyllwild | 04:01:09 | -33.1 | Dark | Up | 54.2 | 150.1 | Up | 03:46:09 - 04:16:09 | -3075 |
| Wildwood | 04:01:18 | -31.6 | Dark | Up | 53.1 | 147.5 | Up | 03:46:18 - 04:16:18 | -3087 |
| Calipatria | 04:01:04 | -34.2 | Dark | Up | 55.2 | 151.5 | Up | 03:46:04 - 04:16:04 | -3104 |
| Yuma | 04:00:59 | -34.9 | Dark | Up | 55.9 | 152.7 | Up | 03:45:59 - 04:15:59 | -3123 |
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 05TV189, (2023/02/08 03:59UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 11.29 78 Alhena 06:37:42.8 +16:23:57 1.9 14.77 67 PPM 150810 06:35:15.8 +00:53:25 5.7 0.81 69 PPM 150790 06:34:39.7 +01:43:40 7.5 0.15 69 PPM 150765 06:34:06.1 +01:38:27 8.6 0.02 70 05TV189 06:34:09.1 +01:39:15 14.1 70 Positions are for J2000
Event circumstances last updated at 2023/01/07 03:18:42 UT
Marc W. Buie, Southwest Research Institute