Event between 12GT41 and star GA0880:06323407 with event index number of 1583379
Geocentric closest approach at 2022/09/23 03:59:51 UTC
J2000 position of star is 17:51:32.7 -00:15:51
Equinox of date position of star is 17:52:37.7 -00:16:06
Stellar brightness G=14.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 115 degrees from the moon.
Moon is 8% illuminated.
TNO apparent brightness V=22.1
[RECON map]
TNO is 16.8 AU from the Sun
and 16.8 AU from the Earth.
The TNO is moving 17.2
km/sec on the sky relative to the star, or,
5.1 arcsec/hr.
The 1-sigma error in the time of the event is 61 seconds.
The 1-sigma cross-track error in the shadow position is
1148 km.
The sky-plane scale is
12199.4 km/arcsec.
The TNO has an absolute magnitude Hv=9.5
Diameter=74.5 km assuming a 5% albedo -- 4.3 sec chord
Diameter=30.4 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
Star training set for 12GT41, (2022/09/23 04:00UT) Object RA Dec mag sep mel Antares 16:30:48.3 -26:28:50 0.9 32.80 102 60Bet Oph 17:44:35.8 +04:33:34 2.8 5.24 111 PPM 180184 17:53:10.0 -01:14:27 6.3 0.98 115 PPM 180176 17:51:19.5 -00:41:03 8.4 0.54 115 PPM 180182 17:52:34.4 -00:33:05 9.2 0.28 115 12GT41 17:52:42.7 -00:16:07 14.9 115 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 4.2 km
RECON observability=1.0 and success probability=17.3%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Dunrhomin | 03:58:24 | -33.5 | Dark | Down | 30.2 | 240.1 | Up | 03:52:51 - 04:03:57 | 1661 |
| George/Scottsdale | 03:58:49 | -32.2 | Dark | Down | 38.0 | 238.1 | Up | 03:53:16 - 04:04:22 | 1255 |
| Patrick | 03:58:35 | -29.9 | Dark | Down | 38.5 | 235.0 | Up | 03:53:02 - 04:04:08 | 1162 |
| Kingman/Dolan Springs | 03:58:35 | -29.8 | Dark | Down | 38.8 | 235.0 | Up | 03:53:02 - 04:04:08 | 1147 |
| Lake Havasu City | 03:58:39 | -29.9 | Dark | Down | 39.3 | 235.2 | Up | 03:53:06 - 04:04:12 | 1121 |
| Parker | 03:58:41 | -30.1 | Dark | Down | 39.5 | 235.5 | Up | 03:53:08 - 04:04:14 | 1117 |
| Laughlin/Bullhead City | 03:58:35 | -29.5 | Dark | Down | 39.1 | 234.5 | Up | 03:53:02 - 04:04:08 | 1116 |
| Mohave Valley | 03:58:36 | -29.6 | Dark | Down | 39.3 | 234.7 | Up | 03:53:03 - 04:04:09 | 1112 |
| Henderson | 03:58:28 | -28.8 | Dark | Down | 38.9 | 233.5 | Up | 03:52:55 - 04:04:01 | 1104 |
| Blythe | 03:58:43 | -30.1 | Dark | Down | 40.0 | 235.6 | Up | 03:53:10 - 04:04:16 | 1090 |
| Yuma | 03:58:48 | -30.4 | Dark | Down | 40.5 | 236.2 | Up | 03:53:15 - 04:04:21 | 1072 |
| Indian Springs | 03:58:23 | -28.1 | Dark | Down | 39.0 | 232.5 | Up | 03:52:50 - 04:03:56 | 1070 |
| Calipatria | 03:58:43 | -29.5 | Dark | Down | 40.9 | 235.0 | Up | 03:53:10 - 04:04:16 | 1024 |
| Beatty | 03:58:20 | -27.1 | Dark | Down | 39.5 | 231.2 | Up | 03:52:47 - 04:03:53 | 1010 |
| Tonopah | 03:58:12 | -26.3 | Dark | Down | 39.1 | 229.9 | Up | 03:52:39 - 04:03:45 | 998 |
| PNWRO | 03:57:25 | -21.9 | Dark | Down | 34.7 | 223.6 | Up | 03:51:52 - 04:02:58 | 965 |
| Idyllwild | 03:58:38 | -28.4 | Dark | Down | 41.4 | 233.4 | Up | 03:53:05 - 04:04:11 | 962 |
| Pasco | 03:57:24 | -21.6 | Dark | Down | 34.6 | 223.2 | Up | 03:51:51 - 04:02:57 | 953 |
| Clarence Fulton | 03:57:03 | -19.7 | Dark | Down | 31.8 | 221.2 | Up | 03:51:30 - 04:02:36 | 946 |
| Anarchist Mountain Observatory | 03:57:09 | -20.3 | Dark | Down | 32.7 | 221.7 | Up | 03:51:36 - 04:02:42 | 946 |
| Tonasket | 03:57:10 | -20.4 | Dark | Down | 33.0 | 221.7 | Up | 03:51:37 - 04:02:43 | 941 |
| Kelowna | 03:57:05 | -19.8 | Dark | Down | 32.1 | 221.2 | Up | 03:51:32 - 04:02:38 | 939 |
| Oliver | 03:57:08 | -20.1 | Dark | Down | 32.7 | 221.4 | Up | 03:51:35 - 04:02:41 | 935 |
| Penticton | 03:57:06 | -19.9 | Dark | Down | 32.4 | 221.2 | Up | 03:51:33 - 04:02:39 | 935 |
| Okanogan | 03:57:12 | -20.4 | Dark | Down | 33.3 | 221.7 | Up | 03:51:39 - 04:02:45 | 933 |
| Summerland | 03:57:05 | -19.8 | Dark | Down | 32.4 | 221.1 | Up | 03:51:32 - 04:02:38 | 929 |
| Peachland | 03:57:05 | -19.7 | Dark | Down | 32.3 | 220.9 | Up | 03:51:32 - 04:02:38 | 924 |
| Brewster | 03:57:13 | -20.4 | Dark | Down | 33.6 | 221.6 | Up | 03:51:40 - 04:02:46 | 922 |
| Hawthorne | 03:58:06 | -25.1 | Dark | Down | 39.6 | 228.1 | Up | 03:52:33 - 04:03:39 | 919 |
| Bishop | 03:58:13 | -25.7 | Dark | Down | 40.3 | 229.2 | Up | 03:52:40 - 04:03:46 | 917 |
| Manson/Chelan | 03:57:13 | -20.3 | Dark | Down | 33.9 | 221.3 | Up | 03:51:40 - 04:02:46 | 903 |
| Yerington | 03:58:02 | -24.5 | Dark | Down | 39.6 | 227.3 | Up | 03:52:29 - 04:03:35 | 893 |
| Wenatchee | 03:57:15 | -20.4 | Dark | Down | 34.3 | 221.4 | Up | 03:51:42 - 04:02:48 | 893 |
| Toppenish/White Swan | 03:57:20 | -20.7 | Dark | Down | 35.1 | 221.8 | Up | 03:51:47 - 04:02:53 | 885 |
| Lee Vining | 03:58:08 | -24.9 | Dark | Down | 40.3 | 228.0 | Up | 03:52:35 - 04:03:41 | 882 |
| Ellensburg | 03:57:17 | -20.4 | Dark | Down | 34.7 | 221.3 | Up | 03:51:44 - 04:02:50 | 880 |
| Yakima | 03:57:19 | -20.5 | Dark | Down | 35.0 | 221.5 | Up | 03:51:46 - 04:02:52 | 877 |
| Cedarville | 03:57:46 | -22.8 | Dark | Down | 38.5 | 224.6 | Up | 03:52:13 - 04:03:19 | 863 |
| Reno | 03:57:58 | -23.8 | Dark | Down | 39.6 | 226.2 | Up | 03:52:25 - 04:03:31 | 860 |
| Goldendale | 03:57:22 | -20.7 | Dark | Down | 35.7 | 221.6 | Up | 03:51:49 - 04:02:55 | 859 |
| Lakeview | 03:57:43 | -22.4 | Dark | Down | 38.1 | 224.1 | Up | 03:52:10 - 04:03:16 | 859 |
| Carson City | 03:58:00 | -24.0 | Dark | Down | 39.9 | 226.5 | Up | 03:52:27 - 04:03:33 | 857 |
| Gardnerville | 03:58:01 | -24.1 | Dark | Down | 40.0 | 226.7 | Up | 03:52:28 - 04:03:34 | 857 |
| Paisley | 03:57:39 | -22.1 | Dark | Down | 37.8 | 223.6 | Up | 03:52:06 - 04:03:12 | 852 |
| Wildwood | 03:58:31 | -26.8 | Dark | Down | 42.4 | 231.2 | Up | 03:52:58 - 04:04:04 | 849 |
| Maupin | 03:57:25 | -20.8 | Dark | Down | 36.3 | 221.6 | Up | 03:51:52 - 04:02:58 | 841 |
| The Dalles | 03:57:23 | -20.5 | Dark | Down | 36.0 | 221.3 | Up | 03:51:50 - 04:02:56 | 837 |
| North Lake | 03:57:36 | -21.6 | Dark | Down | 37.6 | 222.9 | Up | 03:52:03 - 04:03:09 | 837 |
| Redmond | 03:57:30 | -21.1 | Dark | Down | 37.0 | 222.0 | Up | 03:51:57 - 04:03:03 | 829 |
| Portola | 03:57:55 | -23.3 | Dark | Down | 39.8 | 225.3 | Up | 03:52:22 - 04:03:28 | 825 |
| Susanville | 03:57:51 | -22.9 | Dark | Down | 39.5 | 224.8 | Up | 03:52:18 - 04:03:24 | 821 |
| Bend | 03:57:31 | -21.1 | Dark | Down | 37.2 | 222.0 | Up | 03:51:58 - 04:03:04 | 820 |
| Oregon Observatory | 03:57:31 | -21.0 | Dark | Down | 37.4 | 221.9 | Up | 03:51:58 - 04:03:04 | 811 |
| Sisters | 03:57:29 | -20.8 | Dark | Down | 37.2 | 221.5 | Up | 03:51:56 - 04:03:02 | 807 |
| La Pine/Gilchrist | 03:57:32 | -21.1 | Dark | Down | 37.6 | 222.0 | Up | 03:51:59 - 04:03:05 | 805 |
| Gimple | 03:57:52 | -22.9 | Dark | Down | 39.8 | 224.7 | Up | 03:52:19 - 04:03:25 | 804 |
| Greenville | 03:57:51 | -22.8 | Dark | Down | 39.9 | 224.6 | Up | 03:52:18 - 04:03:24 | 800 |
| Quincy | 03:57:53 | -22.9 | Dark | Down | 40.0 | 224.7 | Up | 03:52:20 - 04:03:26 | 797 |
| Fall River/Burney | 03:57:46 | -22.1 | Dark | Down | 39.5 | 223.6 | Up | 03:52:13 - 04:03:19 | 784 |
| Klamath Falls | 03:57:39 | -21.4 | Dark | Down | 38.8 | 222.5 | Up | 03:52:06 - 04:03:12 | 775 |
| Chiloquin | 03:57:37 | -21.2 | Dark | Down | 38.6 | 222.2 | Up | 03:52:04 - 04:03:10 | 774 |
| CPSLO | 03:58:19 | -24.7 | Dark | Down | 43.0 | 228.1 | Up | 03:52:46 - 04:03:52 | 739 |
| Victoria | 03:57:03 | -18.0 | AT | Down | 34.8 | 217.4 | Up | 03:51:30 - 04:02:36 | 731 |
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 12GT41, (2022/09/23 04:00UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 32.80 102 60Bet Oph 17:43:28.3 +04:34:06 2.8 5.24 111 PPM 180184 17:51:59.5 -01:14:12 6.3 0.98 115 PPM 180176 17:50:09.3 -00:40:45 8.4 0.54 115 PPM 180182 17:51:24.2 -00:32:49 9.2 0.28 115 12GT41 17:51:32.7 -00:15:51 14.9 115 Positions are for J2000
Event circumstances last updated at 2021/02/10 19:59:08 UT
Marc W. Buie, Southwest Research Institute