Event between 05GX186 and star GA0860:04140192 with event index number of 1081149
Geocentric closest approach at 2022/03/19 08:27:30 UTC
J2000 position of star is 12:55:14.9 -03:30:50
Equinox of date position of star is 12:56:21.1 -03:37:47
Stellar brightness G=11.7,
use SENSEUP=8 with the MallinCam and and exposure
time of 125 milli-seconds with the QHY174 camera.
Star is 2 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=23.7
[RECON map]
TNO is 43.2 AU from the Sun
and 42.3 AU from the Earth.
The TNO is moving 24.1
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 184 seconds.
The 1-sigma cross-track error in the shadow position is
2392 km.
The sky-plane scale is
30668.7 km/arcsec.
The TNO has an absolute magnitude Hv=7.3
Diameter=210.9 km assuming a 5% albedo -- 8.7 sec chord
Diameter=86.1 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is CLASSICAL
Star training set for 05GX186, (2022/03/19 08:28UT) Object RA Dec mag sep mel Spica 13:26:22.0 -11:16:36 1.0 10.65 13 38 Vir 12:54:19.5 -03:40:24 6.1 0.52 2 PPM 195970 12:56:49.5 -03:40:14 7.9 0.11 3 PPM 195966 12:56:25.2 -03:43:41 9.7 0.09 3 05GX186 12:56:23.7 -03:38:03 11.7 3 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
4.9 sigma about the mid-time.
The median site spacing is 16.0 km
RECON observability=1.0 and success probability=0.1%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Clarence Fulton | 08:29:20 | -40.0 | Dark | Up | 35.7 | 169.0 | Up | 08:14:20 - 08:44:20 | 11619 |
| Kelowna | 08:29:20 | -40.4 | Dark | Up | 36.1 | 168.8 | Up | 08:14:20 - 08:44:20 | 11589 |
| Peachland | 08:29:21 | -40.5 | Dark | Up | 36.1 | 168.4 | Up | 08:14:21 - 08:44:21 | 11573 |
| Summerland | 08:29:20 | -40.7 | Dark | Up | 36.3 | 168.5 | Up | 08:14:20 - 08:44:20 | 11565 |
| Penticton | 08:29:19 | -40.7 | Dark | Up | 36.4 | 168.6 | Up | 08:14:19 - 08:44:19 | 11564 |
| Oliver | 08:29:20 | -41.1 | Dark | Up | 36.7 | 168.6 | Up | 08:14:20 - 08:44:20 | 11540 |
| Anarchist Mountain Observatory | 08:29:19 | -41.2 | Dark | Up | 36.9 | 168.8 | Up | 08:14:19 - 08:44:19 | 11535 |
| Tonasket | 08:29:19 | -41.5 | Dark | Up | 37.2 | 168.6 | Up | 08:14:19 - 08:44:19 | 11512 |
| Okanogan | 08:29:20 | -41.9 | Dark | Up | 37.5 | 168.4 | Up | 08:14:20 - 08:44:20 | 11484 |
| Brewster | 08:29:20 | -42.2 | Dark | Up | 37.7 | 168.1 | Up | 08:14:20 - 08:44:20 | 11460 |
| Manson/Chelan | 08:29:21 | -42.4 | Dark | Up | 37.9 | 167.6 | Up | 08:14:21 - 08:44:21 | 11434 |
| Wenatchee | 08:29:21 | -42.9 | Dark | Up | 38.3 | 167.3 | Up | 08:14:21 - 08:44:21 | 11396 |
| Dunrhomin | 08:28:26 | -46.3 | Dark | Up | 46.0 | 187.2 | Up | 08:13:26 - 08:43:26 | 11386 |
| Victoria | 08:29:30 | -42.0 | Dark | Up | 36.7 | 163.8 | Up | 08:14:30 - 08:44:30 | 11380 |
| Ellensburg | 08:29:21 | -43.3 | Dark | Up | 38.7 | 167.0 | Up | 08:14:21 - 08:44:21 | 11360 |
| Pasco | 08:29:17 | -43.9 | Dark | Up | 39.6 | 168.6 | Up | 08:14:17 - 08:44:17 | 11352 |
| PNWRO | 08:29:16 | -44.2 | Dark | Up | 39.9 | 168.9 | Up | 08:14:16 - 08:44:16 | 11342 |
| Yakima | 08:29:21 | -43.7 | Dark | Up | 39.1 | 166.9 | Up | 08:14:21 - 08:44:21 | 11331 |
| Toppenish/White Swan | 08:29:20 | -43.9 | Dark | Up | 39.3 | 167.1 | Up | 08:14:20 - 08:44:20 | 11320 |
| Goldendale | 08:29:22 | -44.5 | Dark | Up | 39.8 | 166.4 | Up | 08:14:22 - 08:44:22 | 11268 |
| The Dalles | 08:29:22 | -44.8 | Dark | Up | 40.0 | 165.9 | Up | 08:14:22 - 08:44:22 | 11240 |
| Maupin | 08:29:22 | -45.2 | Dark | Up | 40.4 | 165.9 | Up | 08:14:22 - 08:44:22 | 11213 |
| Redmond | 08:29:21 | -46.1 | Dark | Up | 41.2 | 165.6 | Up | 08:14:21 - 08:44:21 | 11143 |
| Sisters | 08:29:22 | -46.1 | Dark | Up | 41.2 | 165.1 | Up | 08:14:22 - 08:44:22 | 11132 |
| Bend | 08:29:20 | -46.3 | Dark | Up | 41.4 | 165.4 | Up | 08:14:20 - 08:44:20 | 11123 |
| Oregon Observatory | 08:29:22 | -46.5 | Dark | Up | 41.6 | 165.2 | Up | 08:14:22 - 08:44:22 | 11106 |
| La Pine/Gilchrist | 08:29:21 | -46.7 | Dark | Up | 41.8 | 165.1 | Up | 08:14:21 - 08:44:21 | 11088 |
| North Lake | 08:29:20 | -47.1 | Dark | Up | 42.3 | 165.8 | Up | 08:14:20 - 08:44:20 | 11076 |
| Paisley | 08:29:19 | -47.6 | Dark | Up | 42.9 | 166.1 | Up | 08:14:19 - 08:44:19 | 11046 |
| Lakeview | 08:29:18 | -48.1 | Dark | Up | 43.4 | 166.2 | Up | 08:14:18 - 08:44:18 | 11014 |
| Chiloquin | 08:29:21 | -47.8 | Dark | Up | 42.8 | 164.3 | Up | 08:14:21 - 08:44:21 | 10992 |
| Cedarville | 08:29:17 | -48.7 | Dark | Up | 44.1 | 166.3 | Up | 08:14:17 - 08:44:17 | 10969 |
| Klamath Falls | 08:29:22 | -48.2 | Dark | Up | 43.1 | 164.3 | Up | 08:14:22 - 08:44:22 | 10968 |
| Fall River/Burney | 08:29:19 | -49.3 | Dark | Up | 44.3 | 164.6 | Up | 08:14:19 - 08:44:19 | 10890 |
| Susanville | 08:29:17 | -49.9 | Dark | Up | 45.1 | 165.4 | Up | 08:14:17 - 08:44:17 | 10866 |
| Gimple | 08:29:18 | -50.2 | Dark | Up | 45.3 | 165.0 | Up | 08:14:18 - 08:44:18 | 10837 |
| Greenville | 08:29:18 | -50.2 | Dark | Up | 45.3 | 164.9 | Up | 08:14:18 - 08:44:18 | 10834 |
| Reno | 08:29:13 | -50.6 | Dark | Up | 46.1 | 166.3 | Up | 08:14:13 - 08:44:13 | 10827 |
| Portola | 08:29:16 | -50.4 | Dark | Up | 45.7 | 165.5 | Up | 08:14:16 - 08:44:16 | 10825 |
| Quincy | 08:29:18 | -50.4 | Dark | Up | 45.5 | 164.9 | Up | 08:14:18 - 08:44:18 | 10818 |
| Yerington | 08:29:10 | -51.1 | Dark | Up | 46.7 | 167.1 | Up | 08:14:10 - 08:44:10 | 10806 |
| Tonopah | 08:29:01 | -51.7 | Dark | Up | 47.9 | 169.7 | Up | 08:14:01 - 08:44:01 | 10801 |
| Carson City | 08:29:12 | -51.0 | Dark | Up | 46.4 | 166.3 | Up | 08:14:12 - 08:44:12 | 10799 |
| Hawthorne | 08:29:08 | -51.5 | Dark | Up | 47.3 | 167.8 | Up | 08:14:08 - 08:44:08 | 10788 |
| Gardnerville | 08:29:11 | -51.2 | Dark | Up | 46.7 | 166.3 | Up | 08:14:11 - 08:44:11 | 10781 |
| Indian Springs | 08:28:56 | -52.9 | Dark | Up | 49.6 | 171.7 | Up | 08:13:56 - 08:43:56 | 10738 |
| Lee Vining | 08:29:10 | -52.1 | Dark | Up | 47.7 | 166.9 | Up | 08:14:10 - 08:44:10 | 10726 |
| Beatty | 08:29:01 | -52.8 | Dark | Up | 49.1 | 170.1 | Up | 08:14:01 - 08:44:01 | 10725 |
| Henderson | 08:28:54 | -53.2 | Dark | Up | 50.2 | 172.7 | Up | 08:13:54 - 08:43:54 | 10720 |
| Patrick | 08:28:49 | -53.5 | Dark | Up | 50.9 | 174.3 | Up | 08:13:49 - 08:43:49 | 10711 |
| Bishop | 08:29:07 | -52.6 | Dark | Up | 48.4 | 167.8 | Up | 08:14:07 - 08:44:07 | 10703 |
| Kingman/Dolan Springs | 08:28:50 | -53.8 | Dark | Up | 51.1 | 174.0 | Up | 08:13:50 - 08:43:50 | 10686 |
| Laughlin/Bullhead City | 08:28:52 | -53.9 | Dark | Up | 51.1 | 173.2 | Up | 08:13:52 - 08:43:52 | 10664 |
| George/Scottsdale | 08:28:38 | -54.5 | Dark | Up | 52.7 | 177.3 | Up | 08:13:38 - 08:43:38 | 10648 |
| Mohave Valley | 08:28:51 | -54.2 | Dark | Up | 51.4 | 173.1 | Up | 08:13:51 - 08:43:51 | 10642 |
| Lake Havasu City | 08:28:47 | -54.5 | Dark | Up | 51.8 | 173.4 | Up | 08:13:47 - 08:43:47 | 10619 |
| Parker | 08:28:49 | -54.8 | Dark | Up | 52.2 | 173.4 | Up | 08:13:49 - 08:43:49 | 10591 |
| Blythe | 08:28:48 | -55.4 | Dark | Up | 52.6 | 172.9 | Up | 08:13:48 - 08:43:48 | 10536 |
| Idyllwild | 08:28:57 | -55.8 | Dark | Up | 52.3 | 169.5 | Up | 08:13:57 - 08:43:57 | 10467 |
| Calipatria | 08:28:51 | -56.1 | Dark | Up | 53.0 | 171.3 | Up | 08:13:51 - 08:43:51 | 10460 |
| Yuma | 08:28:48 | -56.3 | Dark | Up | 53.6 | 172.6 | Up | 08:13:48 - 08:43:48 | 10458 |
| CPSLO | 08:29:12 | -54.9 | Dark | Up | 50.0 | 163.9 | Up | 08:14:12 - 08:44:12 | 10450 |
| Wildwood | 08:29:04 | -55.8 | Dark | Up | 51.6 | 166.6 | Up | 08:14:04 - 08:44:04 | 10426 |
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 05GX186, (2022/03/19 08:28UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 10.65 13 38 Vir 12:53:10.8 -03:33:11 6.1 0.52 2 PPM 195970 12:55:40.8 -03:33:02 7.9 0.11 3 PPM 195966 12:55:16.5 -03:36:29 9.7 0.09 3 05GX186 12:55:14.9 -03:30:50 11.7 2 Positions are for J2000
Event circumstances last updated at 2021/05/23 23:10:23 UT
Marc W. Buie, Southwest Research Institute