Event between 10WG9 and star GA1200:02474741 with event index number of 2108829
Geocentric closest approach at 2022/12/27 11:50:00 UTC
J2000 position of star is 06:21:40.7 +31:00:32
Equinox of date position of star is 06:23:08.8 +30:59:48
Stellar brightness G=15.1,
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 23% illuminated.
TNO apparent brightness V=22.5
[RECON map]
TNO is 26.4 AU from the Sun
and 25.5 AU from the Earth.
The TNO is moving 28.7
km/sec on the sky relative to the star, or,
5.6 arcsec/hr.
The 1-sigma error in the time of the event is 85 seconds.
The 1-sigma cross-track error in the shadow position is
5235 km.
The sky-plane scale is
18463.1 km/arcsec.
The TNO has an absolute magnitude Hv=8.3
Diameter=133.0 km assuming a 5% albedo -- 4.6 sec chord
Diameter=54.3 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
Star training set for 10WG9, (2022/12/27 11:50UT) Object RA Dec mag sep mel Pollux 07:46:43.2 +27:58:08 1.1 18.41 141 Alnath 05:27:44.8 +28:37:29 1.6 12.24 110 PPM 095824 06:22:39.9 +29:31:42 6.3 1.47 122 PPM 071511 06:21:43.2 +30:21:26 8.4 0.71 122 PPM 071534 06:23:17.1 +31:00:08 9.9 0.03 122 10WG9 06:23:09.7 +30:59:47 15.1 123 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 12.1 km
RECON observability=1.0 and success probability=6.7%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 11:48:24 | -29.8 | Dark | Down | 34.9 | 277.3 | Up | 11:40:52 - 11:55:57 | 7121 |
| Kamloops | 11:48:30 | -38.9 | Dark | Down | 43.8 | 267.5 | Up | 11:40:57 - 11:56:02 | 6483 |
| Kelowna | 11:48:26 | -38.4 | Dark | Down | 43.3 | 268.9 | Up | 11:40:54 - 11:55:59 | 6465 |
| Dunrhomin | 11:47:46 | -28.5 | Dark | Down | 32.1 | 285.4 | Up | 11:40:13 - 11:55:18 | 6458 |
| Peachland | 11:48:26 | -38.6 | Dark | Down | 43.4 | 268.8 | Up | 11:40:54 - 11:55:59 | 6446 |
| Penticton | 11:48:25 | -38.5 | Dark | Down | 43.3 | 269.2 | Up | 11:40:53 - 11:55:58 | 6440 |
| Summerland | 11:48:25 | -38.6 | Dark | Down | 43.4 | 269.0 | Up | 11:40:53 - 11:55:58 | 6440 |
| CU-SBO | 11:47:44 | -28.6 | Dark | Down | 32.1 | 285.5 | Up | 11:40:12 - 11:55:17 | 6437 |
| Oliver | 11:48:25 | -38.6 | Dark | Down | 43.3 | 269.5 | Up | 11:40:52 - 11:55:57 | 6417 |
| Anarchist Mountain Observatory | 11:48:23 | -38.5 | Dark | Down | 43.2 | 269.8 | Up | 11:40:51 - 11:55:56 | 6413 |
| Tonasket | 11:48:23 | -38.6 | Dark | Down | 43.3 | 270.0 | Up | 11:40:51 - 11:55:56 | 6390 |
| Okanogan | 11:48:23 | -38.7 | Dark | Down | 43.4 | 270.2 | Up | 11:40:50 - 11:55:55 | 6361 |
| Brewster | 11:48:21 | -38.9 | Dark | Down | 43.5 | 270.4 | Up | 11:40:49 - 11:55:54 | 6334 |
| Manson/Chelan | 11:48:21 | -39.2 | Dark | Down | 43.7 | 270.3 | Up | 11:40:48 - 11:55:53 | 6305 |
| Wenatchee | 11:48:19 | -39.4 | Dark | Down | 43.9 | 270.6 | Up | 11:40:47 - 11:55:52 | 6266 |
| PNWRO | 11:48:14 | -38.6 | Dark | Down | 42.8 | 272.9 | Up | 11:40:42 - 11:55:47 | 6229 |
| Ellensburg | 11:48:19 | -39.6 | Dark | Down | 44.0 | 270.8 | Up | 11:40:46 - 11:55:51 | 6228 |
| Victoria | 11:48:26 | -41.2 | Dark | Down | 45.9 | 267.2 | Up | 11:40:54 - 11:55:59 | 6217 |
| Yakima | 11:48:17 | -39.6 | Dark | Down | 44.0 | 271.2 | Up | 11:40:45 - 11:55:50 | 6199 |
| Toppenish/White Swan | 11:48:17 | -39.6 | Dark | Down | 43.9 | 271.5 | Up | 11:40:44 - 11:55:49 | 6191 |
| Goldendale | 11:48:16 | -39.9 | Dark | Down | 44.2 | 271.8 | Up | 11:40:43 - 11:55:48 | 6134 |
| The Dalles | 11:48:15 | -40.2 | Dark | Down | 44.4 | 271.7 | Up | 11:40:43 - 11:55:48 | 6102 |
| Maupin | 11:48:14 | -40.2 | Dark | Down | 44.3 | 272.2 | Up | 11:40:41 - 11:55:46 | 6077 |
| Sisters | 11:48:12 | -40.6 | Dark | Down | 44.7 | 272.7 | Up | 11:40:39 - 11:55:44 | 5992 |
| Bend | 11:48:11 | -40.5 | Dark | Down | 44.5 | 273.1 | Up | 11:40:38 - 11:55:43 | 5986 |
| Oregon Observatory | 11:48:11 | -40.6 | Dark | Down | 44.5 | 273.2 | Up | 11:40:38 - 11:55:43 | 5968 |
| North Lake | 11:48:08 | -40.3 | Dark | Down | 44.1 | 274.2 | Up | 11:40:36 - 11:55:41 | 5944 |
| Lakeview | 11:48:04 | -40.0 | Dark | Down | 43.6 | 275.5 | Up | 11:40:32 - 11:55:37 | 5891 |
| Chiloquin | 11:48:07 | -41.0 | Dark | Down | 44.8 | 274.3 | Up | 11:40:34 - 11:55:39 | 5851 |
| Cedarville | 11:48:02 | -39.9 | Dark | Down | 43.4 | 276.3 | Up | 11:40:29 - 11:55:34 | 5850 |
| Klamath Falls | 11:48:06 | -41.0 | Dark | Down | 44.7 | 274.6 | Up | 11:40:34 - 11:55:39 | 5829 |
| Fall River/Burney | 11:48:02 | -40.8 | Dark | Down | 44.3 | 276.0 | Up | 11:40:30 - 11:55:35 | 5757 |
| Susanville | 11:48:00 | -40.3 | Dark | Down | 43.7 | 277.0 | Up | 11:40:27 - 11:55:32 | 5744 |
| Tonopah | 11:47:49 | -37.7 | Dark | Down | 40.7 | 280.9 | Up | 11:40:16 - 11:55:21 | 5728 |
| Reno | 11:47:56 | -39.7 | Dark | Down | 42.9 | 278.3 | Up | 11:40:24 - 11:55:29 | 5716 |
| Gimple | 11:48:00 | -40.5 | Dark | Down | 43.8 | 277.2 | Up | 11:40:27 - 11:55:32 | 5712 |
| Greenville | 11:47:59 | -40.5 | Dark | Down | 43.9 | 277.1 | Up | 11:40:27 - 11:55:32 | 5709 |
| Portola | 11:47:58 | -40.2 | Dark | Down | 43.5 | 277.7 | Up | 11:40:25 - 11:55:30 | 5706 |
| Yerington | 11:47:54 | -39.2 | Dark | Down | 42.4 | 279.1 | Up | 11:40:21 - 11:55:26 | 5705 |
| Hawthorne | 11:47:52 | -38.8 | Dark | Down | 41.9 | 279.8 | Up | 11:40:19 - 11:55:24 | 5695 |
| Quincy | 11:47:59 | -40.5 | Dark | Down | 43.8 | 277.3 | Up | 11:40:26 - 11:55:31 | 5693 |
| Patrick | 11:47:38 | -34.9 | Dark | Down | 37.5 | 284.5 | Up | 11:40:06 - 11:55:11 | 5691 |
| Carson City | 11:47:55 | -39.7 | Dark | Down | 42.9 | 278.6 | Up | 11:40:23 - 11:55:28 | 5690 |
| Indian Springs | 11:47:43 | -36.4 | Dark | Down | 39.2 | 282.8 | Up | 11:40:10 - 11:55:15 | 5689 |
| Henderson | 11:47:40 | -35.8 | Dark | Down | 38.6 | 283.6 | Up | 11:40:08 - 11:55:13 | 5682 |
| Gardnerville | 11:47:54 | -39.6 | Dark | Down | 42.8 | 278.9 | Up | 11:40:22 - 11:55:27 | 5673 |
| Kingman/Dolan Springs | 11:47:38 | -35.0 | Dark | Down | 37.6 | 284.6 | Up | 11:40:05 - 11:55:10 | 5664 |
| George/Scottsdale | 11:47:31 | -33.0 | Dark | Down | 35.5 | 286.5 | Up | 11:39:59 - 11:55:04 | 5663 |
| Beatty | 11:47:45 | -37.3 | Dark | Down | 40.1 | 282.1 | Up | 11:40:13 - 11:55:18 | 5661 |
| Laughlin/Bullhead City | 11:47:38 | -35.4 | Dark | Down | 38.0 | 284.4 | Up | 11:40:06 - 11:55:11 | 5636 |
| Lee Vining | 11:47:52 | -39.2 | Dark | Down | 42.2 | 280.1 | Up | 11:40:19 - 11:55:24 | 5628 |
| Bishop | 11:47:49 | -38.6 | Dark | Down | 41.5 | 280.9 | Up | 11:40:16 - 11:55:21 | 5617 |
| Mohave Valley | 11:47:37 | -35.4 | Dark | Down | 38.0 | 284.6 | Up | 11:40:05 - 11:55:10 | 5615 |
| Lake Havasu City | 11:47:36 | -35.1 | Dark | Down | 37.7 | 285.0 | Up | 11:40:04 - 11:55:09 | 5597 |
| Parker | 11:47:35 | -35.1 | Dark | Down | 37.6 | 285.3 | Up | 11:40:03 - 11:55:08 | 5571 |
| Yuma | 11:47:32 | -35.2 | Dark | Down | 37.5 | 286.2 | Up | 11:39:59 - 11:55:04 | 5440 |
| Calipatria | 11:47:33 | -36.0 | Dark | Down | 38.3 | 285.6 | Up | 11:40:01 - 11:55:06 | 5427 |
| Idyllwild | 11:47:36 | -37.0 | Dark | Down | 39.4 | 284.7 | Up | 11:40:04 - 11:55:09 | 5416 |
| Wildwood | 11:47:40 | -38.6 | Dark | Down | 41.0 | 283.6 | Up | 11:40:08 - 11:55:13 | 5348 |
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 10WG9, (2022/12/27 11:50UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 18.41 141 Alnath 05:26:17.6 +28:36:23 1.6 12.24 110 PPM 095824 06:21:11.9 +29:32:26 6.3 1.47 122 PPM 071511 06:20:14.6 +30:22:08 8.4 0.71 122 PPM 071534 06:21:48.1 +31:00:53 9.9 0.03 122 10WG9 06:21:40.7 +31:00:32 15.1 122 Positions are for J2000
Event circumstances last updated at 2022/10/01 04:18:11 UT
Marc W. Buie, Southwest Research Institute