Event between 02GH166 and star GA0640:06865602 with event index number of 1131868
Geocentric closest approach at 2022/06/01 05:54:04 UTC
J2000 position of star is 15:22:28.6 -25:00:41
Equinox of date position of star is 15:23:47.5 -25:05:22
Stellar brightness G=15.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 145 degrees from the moon.
Moon is 3% illuminated.
TNO apparent brightness V=22.2
[RECON map]
TNO is 31.6 AU from the Sun
and 30.6 AU from the Earth.
The TNO is moving 22.6
km/sec on the sky relative to the star, or,
3.7 arcsec/hr.
The 1-sigma error in the time of the event is 156 seconds.
The 1-sigma cross-track error in the shadow position is
2073 km.
The sky-plane scale is
22224.7 km/arcsec.
The TNO has an absolute magnitude Hv=7.2
Diameter=216.8 km assuming a 5% albedo -- 9.6 sec chord
Diameter=88.5 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is 3:2E
Star training set for 02GH166, (2022/06/01 05:54UT) Object RA Dec mag sep mel Antares 16:30:47.1 -26:28:47 0.9 15.13 160 7Del Sco 16:01:39.8 -22:41:01 2.3 8.98 153 PPM 264176 15:24:17.7 -26:46:03 6.5 1.68 145 PPM 264154 15:23:41.8 -25:32:18 7.9 0.45 145 PPM 264188 15:24:52.9 -25:26:56 9.4 0.43 145 02GH166 15:23:48.3 -25:05:25 15.7 145 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 8.4 km
RECON observability=0.6 and success probability=6.8%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 05:55:10 | -14.5 | AT | Down | 12.9 | 181.8 | Really Low | 05:41:42 - 06:08:39 | 2900 |
| Kamloops | 05:55:52 | -12.3 | AT | Down | 13.5 | 168.5 | Really Low | 05:42:23 - 06:09:20 | 2565 |
| Kelowna | 05:55:50 | -13.3 | AT | Down | 14.4 | 169.3 | Really Low | 05:42:22 - 06:09:19 | 2560 |
| Peachland | 05:55:51 | -13.3 | AT | Down | 14.5 | 169.0 | Really Low | 05:42:23 - 06:09:20 | 2549 |
| Penticton | 05:55:51 | -13.6 | AT | Down | 14.8 | 169.2 | Really Low | 05:42:22 - 06:09:19 | 2546 |
| Summerland | 05:55:51 | -13.5 | AT | Down | 14.7 | 169.1 | Really Low | 05:42:22 - 06:09:19 | 2546 |
| Oliver | 05:55:51 | -13.9 | AT | Down | 15.1 | 169.2 | Really Low | 05:42:22 - 06:09:19 | 2534 |
| Anarchist Mountain Observatory | 05:55:50 | -14.1 | AT | Down | 15.3 | 169.4 | Really Low | 05:42:22 - 06:09:19 | 2534 |
| Tonasket | 05:55:51 | -14.4 | AT | Down | 15.6 | 169.3 | Really Low | 05:42:22 - 06:09:19 | 2521 |
| Dunrhomin | 05:55:02 | -26.0 | Dark | Down | 24.7 | 182.7 | Low | 05:41:33 - 06:08:30 | 2516 |
| Okanogan | 05:55:51 | -14.6 | AT | Down | 15.9 | 169.1 | Really Low | 05:42:22 - 06:09:19 | 2505 |
| CU-SBO | 05:55:03 | -26.2 | Dark | Down | 24.9 | 182.6 | Low | 05:41:34 - 06:08:31 | 2503 |
| Brewster | 05:55:51 | -14.8 | AT | Down | 16.1 | 168.9 | Really Low | 05:42:23 - 06:09:20 | 2490 |
| Manson/Chelan | 05:55:53 | -14.8 | AT | Down | 16.3 | 168.6 | Really Low | 05:42:25 - 06:09:22 | 2473 |
| Wenatchee | 05:55:53 | -15.2 | AT | Down | 16.7 | 168.4 | Really Low | 05:42:24 - 06:09:21 | 2451 |
| PNWRO | 05:55:50 | -16.9 | AT | Down | 18.3 | 169.7 | Really Low | 05:42:22 - 06:09:19 | 2434 |
| Ellensburg | 05:55:54 | -15.5 | AT | Down | 17.1 | 168.2 | Really Low | 05:42:26 - 06:09:23 | 2430 |
| Yakima | 05:55:55 | -15.8 | AT | Down | 17.5 | 168.1 | Really Low | 05:42:26 - 06:09:23 | 2414 |
| Victoria | 05:56:02 | -13.2 | AT | Down | 15.2 | 165.6 | Really Low | 05:42:33 - 06:09:30 | 2412 |
| Toppenish/White Swan | 05:55:54 | -16.1 | AT | Down | 17.7 | 168.3 | Really Low | 05:42:25 - 06:09:22 | 2410 |
| Goldendale | 05:55:55 | -16.4 | AT | Down | 18.2 | 167.8 | Really Low | 05:42:27 - 06:09:24 | 2376 |
| The Dalles | 05:55:57 | -16.5 | AT | Down | 18.4 | 167.5 | Really Low | 05:42:28 - 06:09:25 | 2357 |
| Maupin | 05:55:56 | -16.9 | AT | Down | 18.8 | 167.6 | Really Low | 05:42:28 - 06:09:25 | 2343 |
| Sisters | 05:55:58 | -17.5 | AT | Down | 19.6 | 167.0 | Really Low | 05:42:30 - 06:09:27 | 2292 |
| Bend | 05:55:57 | -17.8 | AT | Down | 19.9 | 167.3 | Really Low | 05:42:29 - 06:09:26 | 2289 |
| Oregon Observatory | 05:55:58 | -17.9 | AT | Down | 20.0 | 167.1 | Low | 05:42:29 - 06:09:26 | 2278 |
| North Lake | 05:55:57 | -18.6 | Dark | Down | 20.7 | 167.6 | Low | 05:42:29 - 06:09:26 | 2265 |
| Lakeview | 05:55:55 | -19.7 | Dark | Down | 21.9 | 168.0 | Low | 05:42:27 - 06:09:24 | 2232 |
| Chiloquin | 05:56:00 | -18.8 | Dark | Down | 21.2 | 166.6 | Low | 05:42:31 - 06:09:28 | 2207 |
| Cedarville | 05:55:54 | -20.4 | Dark | Down | 22.5 | 168.1 | Low | 05:42:26 - 06:09:23 | 2206 |
| Klamath Falls | 05:55:59 | -19.2 | Dark | Down | 21.6 | 166.7 | Low | 05:42:31 - 06:09:28 | 2193 |
| Fall River/Burney | 05:55:59 | -20.3 | Dark | Down | 22.8 | 166.9 | Low | 05:42:30 - 06:09:27 | 2147 |
| Susanville | 05:55:56 | -21.1 | Dark | Down | 23.5 | 167.6 | Low | 05:42:28 - 06:09:25 | 2138 |
| Reno | 05:55:54 | -22.2 | Dark | Down | 24.5 | 168.3 | Low | 05:42:25 - 06:09:22 | 2119 |
| Gimple | 05:55:57 | -21.3 | Dark | Down | 23.8 | 167.3 | Low | 05:42:28 - 06:09:25 | 2118 |
| Tonopah | 05:55:45 | -24.5 | Dark | Down | 26.3 | 170.7 | Low | 05:42:16 - 06:09:13 | 2118 |
| Greenville | 05:55:58 | -21.3 | Dark | Down | 23.8 | 167.3 | Low | 05:42:29 - 06:09:26 | 2116 |
| Portola | 05:55:55 | -21.7 | Dark | Down | 24.2 | 167.7 | Low | 05:42:27 - 06:09:24 | 2114 |
| Yerington | 05:55:51 | -22.9 | Dark | Down | 25.2 | 168.9 | Low | 05:42:23 - 06:09:20 | 2110 |
| Quincy | 05:55:57 | -21.4 | Dark | Down | 24.0 | 167.2 | Low | 05:42:29 - 06:09:26 | 2106 |
| Carson City | 05:55:53 | -22.5 | Dark | Down | 24.9 | 168.3 | Low | 05:42:25 - 06:09:22 | 2102 |
| Hawthorne | 05:55:49 | -23.5 | Dark | Down | 25.7 | 169.4 | Low | 05:42:21 - 06:09:18 | 2101 |
| Gardnerville | 05:55:53 | -22.8 | Dark | Down | 25.1 | 168.3 | Low | 05:42:25 - 06:09:22 | 2090 |
| Indian Springs | 05:55:38 | -26.4 | Dark | Down | 28.0 | 172.1 | Low | 05:42:10 - 06:09:07 | 2082 |
| Henderson | 05:55:36 | -27.1 | Dark | Down | 28.6 | 172.8 | Low | 05:42:07 - 06:09:04 | 2072 |
| Beatty | 05:55:42 | -25.7 | Dark | Down | 27.5 | 171.1 | Low | 05:42:14 - 06:09:11 | 2069 |
| Patrick | 05:55:32 | -28.0 | Dark | Down | 29.3 | 173.9 | Low | 05:42:03 - 06:09:00 | 2069 |
| Lee Vining | 05:55:51 | -23.8 | Dark | Down | 26.2 | 168.8 | Low | 05:42:23 - 06:09:20 | 2058 |
| Kingman/Dolan Springs | 05:55:32 | -28.2 | Dark | Down | 29.5 | 173.7 | Low | 05:42:04 - 06:09:01 | 2052 |
| Bishop | 05:55:48 | -24.6 | Dark | Down | 26.9 | 169.5 | Low | 05:42:20 - 06:09:17 | 2047 |
| Laughlin/Bullhead City | 05:55:34 | -28.0 | Dark | Down | 29.5 | 173.1 | Low | 05:42:06 - 06:09:03 | 2036 |
| George/Scottsdale | 05:55:23 | -30.3 | Dark | Down | 31.2 | 175.9 | Up | 05:41:55 - 06:08:52 | 2028 |
| Mohave Valley | 05:55:34 | -28.3 | Dark | Down | 29.8 | 173.1 | Low | 05:42:05 - 06:09:02 | 2021 |
| Lake Havasu City | 05:55:33 | -28.7 | Dark | Down | 30.2 | 173.3 | Up | 05:42:04 - 06:09:01 | 2005 |
| Parker | 05:55:33 | -29.0 | Dark | Down | 30.5 | 173.4 | Up | 05:42:04 - 06:09:01 | 1986 |
| Idyllwild | 05:55:42 | -28.5 | Dark | Down | 30.7 | 170.8 | Up | 05:42:14 - 06:09:11 | 1894 |
| Yuma | 05:55:33 | -30.2 | Dark | Down | 31.9 | 172.9 | Up | 05:42:05 - 06:09:02 | 1892 |
| Calipatria | 05:55:37 | -29.5 | Dark | Down | 31.4 | 172.0 | Up | 05:42:09 - 06:09:06 | 1892 |
| Wildwood | 05:55:49 | -27.4 | Dark | Down | 30.1 | 168.9 | Up | 05:42:20 - 06:09:17 | 1858 |
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 02GH166, (2022/06/01 05:54UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 15.13 160 7Del Sco 16:00:20.0 -22:37:18 2.3 8.98 153 PPM 264176 15:22:57.1 -26:41:20 6.5 1.68 145 PPM 264154 15:22:21.8 -25:27:34 7.9 0.45 145 PPM 264188 15:23:33.0 -25:22:13 9.4 0.43 145 02GH166 15:22:28.6 -25:00:41 15.7 145 Positions are for J2000
Event circumstances last updated at 2022/03/13 02:13:29 UT
Marc W. Buie, Southwest Research Institute