Event between (576162) 12GT41 and star GA0900:05976270 with event index number of 2521032
Geocentric closest approach at 2022/08/17 07:55:11 UTC
J2000 position of star is 17:51:26.7 +00:45:24
Equinox of date position of star is 17:52:33.0 +00:45:09
Stellar brightness G=15.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 122 degrees from the moon.
Moon is 68% illuminated.
TNO apparent brightness V=22.1
[RECON map]
TNO is 16.8 AU from the Sun
and 16.3 AU from the Earth.
The TNO is moving 15.0
km/sec on the sky relative to the star, or,
4.6 arcsec/hr.
The 1-sigma error in the time of the event is 47 seconds.
The 1-sigma cross-track error in the shadow position is
833 km.
The sky-plane scale is
11792.6 km/arcsec.
The TNO has an absolute magnitude Hv=9.6
Diameter=73.8 km assuming a 5% albedo -- 4.9 sec chord
Diameter=30.1 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is CENTAURR
Star training set for 576162, (2022/08/17 07:55UT) Object RA Dec mag sep mel Antares 16:30:47.9 -26:28:49 0.9 33.62 143 60Bet Oph 17:44:35.5 +04:33:34 2.8 4.30 123 PPM 164858 17:57:27.5 +00:40:08 5.7 1.22 121 PPM 164743 17:53:44.3 +01:18:04 7.5 0.62 122 PPM 164704 17:52:39.8 +00:37:13 9.5 0.13 122 576162 17:52:35.9 +00:45:08 15.8 122 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 26.4 km
RECON observability=1.0 and success probability=48.4%
| 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 | 07:48:38 | -26.3 | Dark | Up | 21.8 | 242.8 | Low | 07:44:15 - 07:53:02 | 1723 |
| Victoria | 07:48:48 | -27.8 | Dark | Up | 24.9 | 239.8 | Low | 07:44:24 - 07:53:11 | 1702 |
| Kelowna | 07:48:39 | -26.7 | Dark | Up | 22.0 | 242.8 | Low | 07:44:16 - 07:53:03 | 1690 |
| Peachland | 07:48:40 | -26.8 | Dark | Up | 22.2 | 242.5 | Low | 07:44:16 - 07:53:03 | 1689 |
| Summerland | 07:48:40 | -26.9 | Dark | Up | 22.3 | 242.7 | Low | 07:44:16 - 07:53:03 | 1671 |
| Penticton | 07:48:40 | -27.0 | Dark | Up | 22.2 | 242.8 | Low | 07:44:16 - 07:53:03 | 1661 |
| Oliver | 07:48:40 | -27.4 | Dark | Up | 22.4 | 242.9 | Low | 07:44:17 - 07:53:04 | 1626 |
| Anarchist Mountain Observatory | 07:48:40 | -27.5 | Dark | Up | 22.4 | 243.2 | Low | 07:44:17 - 07:53:04 | 1603 |
| Tonasket | 07:48:41 | -27.8 | Dark | Up | 22.5 | 243.2 | Low | 07:44:18 - 07:53:05 | 1575 |
| Okanogan | 07:48:42 | -28.2 | Dark | Up | 22.8 | 243.2 | Low | 07:44:18 - 07:53:05 | 1547 |
| Brewster | 07:48:42 | -28.4 | Dark | Up | 23.0 | 243.1 | Low | 07:44:19 - 07:53:06 | 1528 |
| Manson/Chelan | 07:48:43 | -28.6 | Dark | Up | 23.3 | 242.9 | Low | 07:44:20 - 07:53:07 | 1521 |
| Wenatchee | 07:48:44 | -29.1 | Dark | Up | 23.6 | 242.9 | Low | 07:44:21 - 07:53:08 | 1481 |
| Ellensburg | 07:48:46 | -29.5 | Dark | Up | 24.0 | 242.9 | Low | 07:44:22 - 07:53:09 | 1448 |
| Yakima | 07:48:47 | -29.9 | Dark | Up | 24.2 | 243.1 | Low | 07:44:23 - 07:53:10 | 1409 |
| Toppenish/White Swan | 07:48:47 | -30.1 | Dark | Up | 24.1 | 243.3 | Low | 07:44:23 - 07:53:10 | 1382 |
| Goldendale | 07:48:48 | -30.6 | Dark | Up | 24.7 | 243.2 | Low | 07:44:25 - 07:53:12 | 1344 |
| The Dalles | 07:48:50 | -30.8 | Dark | Up | 25.0 | 242.9 | Low | 07:44:26 - 07:53:13 | 1337 |
| Pasco | 07:48:45 | -30.3 | Dark | Up | 23.4 | 244.4 | Low | 07:44:21 - 07:53:08 | 1324 |
| Maupin | 07:48:50 | -31.3 | Dark | Up | 25.1 | 243.2 | Low | 07:44:27 - 07:53:14 | 1292 |
| PNWRO | 07:48:45 | -30.6 | Dark | Up | 23.4 | 244.7 | Low | 07:44:22 - 07:53:09 | 1291 |
| Sisters | 07:48:53 | -32.1 | Dark | Up | 25.8 | 243.2 | Low | 07:44:29 - 07:53:16 | 1227 |
| Redmond | 07:48:53 | -32.2 | Dark | Up | 25.6 | 243.5 | Low | 07:44:29 - 07:53:16 | 1209 |
| Bend | 07:48:53 | -32.4 | Dark | Up | 25.7 | 243.5 | Low | 07:44:29 - 07:53:16 | 1193 |
| Oregon Observatory | 07:48:53 | -32.5 | Dark | Up | 25.9 | 243.5 | Low | 07:44:30 - 07:53:17 | 1182 |
| La Pine/Gilchrist | 07:48:54 | -32.7 | Dark | Up | 26.0 | 243.5 | Low | 07:44:31 - 07:53:18 | 1165 |
| North Lake | 07:48:54 | -33.2 | Dark | Up | 25.8 | 244.2 | Low | 07:44:30 - 07:53:17 | 1099 |
| Chiloquin | 07:48:57 | -33.8 | Dark | Up | 26.8 | 243.7 | Low | 07:44:34 - 07:53:21 | 1073 |
| Klamath Falls | 07:48:59 | -34.2 | Dark | Up | 26.8 | 243.9 | Low | 07:44:36 - 07:53:23 | 1037 |
| Paisley | 07:48:55 | -33.8 | Dark | Up | 25.8 | 244.7 | Low | 07:44:31 - 07:53:18 | 1032 |
| Lakeview | 07:48:56 | -34.3 | Dark | Up | 25.9 | 245.1 | Low | 07:44:32 - 07:53:19 | 975 |
| Fall River/Burney | 07:49:00 | -35.4 | Dark | Up | 27.1 | 244.8 | Low | 07:44:37 - 07:53:24 | 908 |
| Cedarville | 07:48:57 | -35.0 | Dark | Up | 26.1 | 245.6 | Low | 07:44:34 - 07:53:21 | 905 |
| Susanville | 07:49:00 | -36.0 | Dark | Up | 26.8 | 245.7 | Low | 07:44:37 - 07:53:24 | 817 |
| Greenville | 07:49:03 | -36.3 | Dark | Up | 27.2 | 245.6 | Low | 07:44:39 - 07:53:26 | 804 |
| Gimple | 07:49:01 | -36.3 | Dark | Up | 27.1 | 245.7 | Low | 07:44:38 - 07:53:25 | 800 |
| Quincy | 07:49:02 | -36.5 | Dark | Up | 27.2 | 245.7 | Low | 07:44:39 - 07:53:26 | 784 |
| Portola | 07:49:02 | -36.7 | Dark | Up | 27.0 | 246.1 | Low | 07:44:38 - 07:53:25 | 752 |
| Reno | 07:49:01 | -37.0 | Dark | Up | 26.6 | 246.8 | Low | 07:44:38 - 07:53:25 | 700 |
| Carson City | 07:49:02 | -37.3 | Dark | Up | 26.7 | 247.0 | Low | 07:44:39 - 07:53:26 | 665 |
| Gardnerville | 07:49:03 | -37.6 | Dark | Up | 26.8 | 247.1 | Low | 07:44:39 - 07:53:26 | 639 |
| Yerington | 07:49:01 | -37.6 | Dark | Up | 26.4 | 247.5 | Low | 07:44:38 - 07:53:25 | 620 |
| Hawthorne | 07:49:02 | -38.0 | Dark | Up | 26.1 | 248.2 | Low | 07:44:38 - 07:53:25 | 554 |
| Lee Vining | 07:49:04 | -38.6 | Dark | Up | 26.7 | 248.1 | Low | 07:44:41 - 07:53:28 | 520 |
| Tonopah | 07:49:00 | -38.5 | Dark | Up | 25.3 | 249.4 | Low | 07:44:37 - 07:53:24 | 453 |
| Bishop | 07:49:05 | -39.2 | Dark | Up | 26.4 | 248.9 | Low | 07:44:41 - 07:53:28 | 433 |
| CPSLO | 07:49:15 | -41.1 | Dark | Up | 28.8 | 248.2 | Low | 07:44:51 - 07:53:38 | 334 |
| Beatty | 07:49:03 | -39.7 | Dark | Up | 25.3 | 250.3 | Low | 07:44:39 - 07:53:26 | 324 |
| Dunrhomin | 07:48:37 | -35.4 | Dark | Up | 15.8 | 257.2 | Really Low | 07:44:14 - 07:53:01 | 292 |
| Indian Springs | 07:49:02 | -40.0 | Dark | Up | 24.6 | 251.2 | Low | 07:44:38 - 07:53:25 | 251 |
| Henderson | 07:49:02 | -40.6 | Dark | Up | 24.3 | 251.9 | Low | 07:44:39 - 07:53:26 | 174 |
| Wildwood | 07:49:15 | -42.5 | Dark | Up | 27.7 | 250.3 | Low | 07:44:52 - 07:53:39 | 132 |
| Laughlin/Bullhead City | 07:49:04 | -41.4 | Dark | Up | 24.2 | 252.6 | Low | 07:44:41 - 07:53:28 | 74 |
| Patrick | 07:49:02 | -41.2 | Dark | Up | 23.6 | 253.0 | Low | 07:44:39 - 07:53:26 | 71 |
| Kingman/Dolan Springs | 07:49:03 | -41.4 | Dark | Up | 23.8 | 252.9 | Low | 07:44:40 - 07:53:27 | 57 |
| Mohave Valley | 07:49:05 | -41.7 | Dark | Up | 24.3 | 252.7 | Low | 07:44:42 - 07:53:29 | 48 |
| Idyllwild | 07:49:12 | -42.9 | Dark | Up | 26.3 | 251.8 | Low | 07:44:49 - 07:53:36 | 19 |
| Lake Havasu City | 07:49:06 | -42.1 | Dark | Up | 24.2 | 253.1 | Low | 07:44:42 - 07:53:29 | 0 |
| Parker | 07:49:07 | -42.4 | Dark | Up | 24.3 | 253.2 | Low | 07:44:43 - 07:53:30 | -35 |
| Blythe | 07:49:09 | -43.0 | Dark | Up | 24.7 | 253.3 | Low | 07:44:45 - 07:53:32 | -74 |
| Calipatria | 07:49:12 | -43.5 | Dark | Up | 25.5 | 252.9 | Low | 07:44:49 - 07:53:36 | -85 |
| Yuma | 07:49:12 | -43.9 | Dark | Up | 24.9 | 253.7 | Low | 07:44:49 - 07:53:36 | -161 |
| George/Scottsdale | 07:49:04 | -42.7 | Dark | Up | 22.5 | 255.0 | Low | 07:44:40 - 07:53:27 | -164 |
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 576162, (2022/08/17 07:55UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 33.62 143 60Bet Oph 17:43:28.3 +04:34:06 2.8 4.30 123 PPM 164858 17:56:18.3 +00:40:14 5.7 1.22 121 PPM 164743 17:52:35.4 +01:18:18 7.5 0.62 122 PPM 164704 17:51:30.6 +00:37:28 9.5 0.13 122 576162 17:51:26.7 +00:45:24 15.8 122 Positions are for J2000
Event circumstances last updated at 2021/09/04 02:26:42 UT
Marc W. Buie, Southwest Research Institute