Event between 10WG9 and star GA1180:02281126 with event index number of 2108714
Geocentric closest approach at 2022/01/11 12:52:36 UTC
J2000 position of star is 06:13:55.4 +28:18:17
Equinox of date position of star is 06:15:18.5 +28:17:49
Stellar brightness G=11.9,
use SENSEUP=8 with the MallinCam and and exposure
time of 125 milli-seconds with the QHY174 camera.
Star is 52 degrees from the moon.
Moon is 67% illuminated.
TNO apparent brightness V=22.4
[RECON map]
TNO is 25.8 AU from the Sun
and 24.8 AU from the Earth.
The TNO is moving 27.1
km/sec on the sky relative to the star, or,
5.4 arcsec/hr.
The 1-sigma error in the time of the event is 76 seconds.
The 1-sigma cross-track error in the shadow position is
4264 km.
The sky-plane scale is
18003.1 km/arcsec.
The TNO has an absolute magnitude Hv=8.3
Diameter=133.0 km assuming a 5% albedo -- 4.9 sec chord
Diameter=54.3 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is CENTAURR
Star training set for 10WG9, (2022/01/11 12:53UT) Object RA Dec mag sep mel Pollux 07:46:39.7 +27:58:16 1.1 20.11 72 Alnath 05:27:41.2 +28:37:26 1.6 10.47 42 44Kap Aur 06:16:46.9 +29:29:16 4.3 1.23 53 PPM 095693 06:17:46.1 +28:50:34 8.0 0.77 53 PPM 095637 06:15:46.4 +28:01:14 9.3 0.29 52 PPM 095628 06:15:11.8 +28:25:15 11.0 0.13 52 10WG9 06:15:18.9 +28:17:49 11.9 53 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 14.8 km
RECON observability=0.4 and success probability=1.9%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 12:50:58 | -20.1 | Dark | Down | 13.9 | 298.5 | Really Low | 12:44:09 - 12:57:47 | 5131 |
| Dunrhomin | 12:50:20 | -17.2 | AT | Down | 7.6 | 300.9 | Really Low | 12:43:31 - 12:57:09 | 4679 |
| Kamloops | 12:50:45 | -29.0 | Dark | Down | 21.6 | 288.7 | Low | 12:43:56 - 12:57:34 | 4644 |
| Kelowna | 12:50:42 | -28.4 | Dark | Down | 20.8 | 289.7 | Low | 12:43:53 - 12:57:31 | 4638 |
| Peachland | 12:50:42 | -28.6 | Dark | Down | 20.9 | 289.5 | Low | 12:43:53 - 12:57:31 | 4624 |
| Penticton | 12:50:41 | -28.5 | Dark | Down | 20.8 | 289.7 | Low | 12:43:52 - 12:57:30 | 4621 |
| Summerland | 12:50:41 | -28.6 | Dark | Down | 20.8 | 289.6 | Low | 12:43:52 - 12:57:30 | 4620 |
| Oliver | 12:50:40 | -28.5 | Dark | Down | 20.6 | 289.8 | Low | 12:43:51 - 12:57:29 | 4606 |
| Anarchist Mountain Observatory | 12:50:39 | -28.3 | Dark | Down | 20.5 | 290.0 | Low | 12:43:50 - 12:57:28 | 4605 |
| Tonasket | 12:50:38 | -28.4 | Dark | Down | 20.4 | 290.1 | Low | 12:43:49 - 12:57:27 | 4588 |
| Okanogan | 12:50:37 | -28.5 | Dark | Down | 20.4 | 290.1 | Low | 12:43:48 - 12:57:26 | 4568 |
| Brewster | 12:50:35 | -28.6 | Dark | Down | 20.4 | 290.0 | Low | 12:43:46 - 12:57:24 | 4549 |
| Manson/Chelan | 12:50:35 | -28.9 | Dark | Down | 20.6 | 289.9 | Low | 12:43:46 - 12:57:24 | 4526 |
| Wenatchee | 12:50:33 | -29.0 | Dark | Down | 20.5 | 289.9 | Low | 12:43:44 - 12:57:22 | 4498 |
| Pasco | 12:50:30 | -28.1 | Dark | Down | 19.4 | 291.1 | Really Low | 12:43:41 - 12:57:19 | 4485 |
| PNWRO | 12:50:28 | -27.9 | Dark | Down | 19.1 | 291.3 | Really Low | 12:43:39 - 12:57:17 | 4481 |
| Ellensburg | 12:50:32 | -29.1 | Dark | Down | 20.5 | 289.9 | Low | 12:43:43 - 12:57:21 | 4470 |
| Yakima | 12:50:30 | -29.1 | Dark | Down | 20.4 | 290.1 | Low | 12:43:41 - 12:57:19 | 4450 |
| Toppenish/White Swan | 12:50:30 | -29.0 | Dark | Down | 20.2 | 290.2 | Low | 12:43:41 - 12:57:19 | 4445 |
| Victoria | 12:50:37 | -31.0 | Dark | Down | 22.8 | 287.5 | Low | 12:43:48 - 12:57:26 | 4442 |
| Goldendale | 12:50:28 | -29.3 | Dark | Down | 20.3 | 290.1 | Low | 12:43:39 - 12:57:17 | 4403 |
| The Dalles | 12:50:27 | -29.5 | Dark | Down | 20.5 | 290.0 | Low | 12:43:38 - 12:57:16 | 4378 |
| Maupin | 12:50:25 | -29.5 | Dark | Down | 20.3 | 290.2 | Low | 12:43:36 - 12:57:14 | 4360 |
| Redmond | 12:50:22 | -29.5 | Dark | Down | 20.0 | 290.5 | Low | 12:43:33 - 12:57:11 | 4310 |
| Sisters | 12:50:22 | -29.8 | Dark | Down | 20.3 | 290.2 | Low | 12:43:33 - 12:57:11 | 4297 |
| Bend | 12:50:21 | -29.6 | Dark | Down | 20.1 | 290.4 | Low | 12:43:32 - 12:57:10 | 4294 |
| Oregon Observatory | 12:50:21 | -29.7 | Dark | Down | 20.1 | 290.4 | Low | 12:43:32 - 12:57:10 | 4280 |
| La Pine/Gilchrist | 12:50:20 | -29.7 | Dark | Down | 20.1 | 290.4 | Low | 12:43:31 - 12:57:09 | 4267 |
| North Lake | 12:50:19 | -29.3 | Dark | Down | 19.5 | 290.9 | Really Low | 12:43:30 - 12:57:08 | 4266 |
| Paisley | 12:50:17 | -29.0 | Dark | Down | 19.1 | 291.3 | Really Low | 12:43:28 - 12:57:06 | 4250 |
| Lakeview | 12:50:15 | -28.8 | Dark | Down | 18.7 | 291.6 | Really Low | 12:43:26 - 12:57:04 | 4229 |
| Cedarville | 12:50:13 | -28.6 | Dark | Down | 18.4 | 291.9 | Really Low | 12:43:24 - 12:57:02 | 4200 |
| Chiloquin | 12:50:16 | -29.9 | Dark | Down | 19.9 | 290.6 | Really Low | 12:43:27 - 12:57:05 | 4192 |
| Klamath Falls | 12:50:15 | -29.8 | Dark | Down | 19.7 | 290.8 | Really Low | 12:43:26 - 12:57:04 | 4176 |
| Fall River/Burney | 12:50:11 | -29.5 | Dark | Down | 19.1 | 291.4 | Really Low | 12:43:22 - 12:57:00 | 4124 |
| Susanville | 12:50:10 | -28.9 | Dark | Down | 18.3 | 292.0 | Really Low | 12:43:21 - 12:56:59 | 4117 |
| Tonopah | 12:50:03 | -26.0 | Dark | Down | 15.0 | 294.5 | Really Low | 12:43:14 - 12:56:52 | 4116 |
| Reno | 12:50:07 | -28.2 | Dark | Down | 17.4 | 292.7 | Really Low | 12:43:18 - 12:56:56 | 4100 |
| Yerington | 12:50:06 | -27.6 | Dark | Down | 16.7 | 293.2 | Really Low | 12:43:17 - 12:56:55 | 4093 |
| Gimple | 12:50:09 | -29.0 | Dark | Down | 18.4 | 291.9 | Really Low | 12:43:20 - 12:56:58 | 4093 |
| Patrick | 12:49:57 | -22.9 | Dark | Down | 11.4 | 296.7 | Really Low | 12:43:08 - 12:56:46 | 4090 |
| Portola | 12:50:08 | -28.7 | Dark | Down | 18.0 | 292.3 | Really Low | 12:43:19 - 12:56:57 | 4089 |
| Greenville | 12:50:08 | -29.1 | Dark | Down | 18.4 | 291.9 | Really Low | 12:43:19 - 12:56:57 | 4089 |
| Indian Springs | 12:50:00 | -24.6 | Dark | Down | 13.2 | 295.6 | Really Low | 12:43:11 - 12:56:49 | 4088 |
| Hawthorne | 12:50:04 | -27.2 | Dark | Down | 16.2 | 293.6 | Really Low | 12:43:15 - 12:56:53 | 4087 |
| Henderson | 12:49:59 | -23.9 | Dark | Down | 12.5 | 296.1 | Really Low | 12:43:10 - 12:56:48 | 4083 |
| Carson City | 12:50:06 | -28.1 | Dark | Down | 17.2 | 292.8 | Really Low | 12:43:17 - 12:56:55 | 4080 |
| Quincy | 12:50:08 | -29.1 | Dark | Down | 18.3 | 292.0 | Really Low | 12:43:19 - 12:56:57 | 4077 |
| Kingman/Dolan Springs | 12:49:56 | -23.0 | Dark | Down | 11.4 | 296.7 | Really Low | 12:43:07 - 12:56:45 | 4069 |
| Gardnerville | 12:50:06 | -28.1 | Dark | Down | 17.1 | 292.9 | Really Low | 12:43:17 - 12:56:55 | 4067 |
| George/Scottsdale | 12:49:54 | -21.0 | Dark | Down | 9.2 | 298.0 | Really Low | 12:43:05 - 12:56:43 | 4065 |
| Beatty | 12:50:00 | -25.5 | Dark | Down | 14.2 | 295.0 | Really Low | 12:43:11 - 12:56:49 | 4065 |
| Laughlin/Bullhead City | 12:49:57 | -23.5 | Dark | Down | 11.8 | 296.4 | Really Low | 12:43:08 - 12:56:46 | 4046 |
| Lee Vining | 12:50:03 | -27.5 | Dark | Down | 16.3 | 293.5 | Really Low | 12:43:14 - 12:56:52 | 4034 |
| Mohave Valley | 12:49:56 | -23.4 | Dark | Down | 11.7 | 296.5 | Really Low | 12:43:07 - 12:56:45 | 4029 |
| Bishop | 12:50:01 | -26.8 | Dark | Down | 15.5 | 294.0 | Really Low | 12:43:12 - 12:56:50 | 4027 |
| Lake Havasu City | 12:49:55 | -23.1 | Dark | Down | 11.3 | 296.7 | Really Low | 12:43:06 - 12:56:44 | 4015 |
| Parker | 12:49:53 | -23.0 | Dark | Down | 11.2 | 296.8 | Really Low | 12:43:04 - 12:56:42 | 3994 |
| Blythe | 12:49:52 | -23.2 | Dark | Down | 11.1 | 296.7 | Really Low | 12:43:03 - 12:56:41 | 3948 |
| Yuma | 12:49:49 | -23.0 | Dark | Down | 10.8 | 296.8 | Really Low | 12:43:00 - 12:56:38 | 3887 |
| Calipatria | 12:49:50 | -23.9 | Dark | Down | 11.6 | 296.3 | Really Low | 12:43:01 - 12:56:39 | 3877 |
| Idyllwild | 12:49:51 | -24.9 | Dark | Down | 12.8 | 295.7 | Really Low | 12:43:02 - 12:56:40 | 3868 |
| Wildwood | 12:49:51 | -26.5 | Dark | Down | 14.4 | 294.7 | Really Low | 12:43:02 - 12:56:40 | 3812 |
| CPSLO | 12:49:54 | -28.4 | Dark | Down | 16.4 | 293.4 | Really Low | 12:43:05 - 12:56:43 | 3802 |
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, (2022/01/11 12:53UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 20.11 72 Alnath 05:26:17.6 +28:36:23 1.6 10.47 42 44Kap Aur 06:15:22.6 +29:29:47 4.3 1.23 53 PPM 095693 06:16:22.2 +28:51:07 8.0 0.77 53 PPM 095637 06:14:23.0 +28:01:43 9.3 0.29 52 PPM 095628 06:13:48.1 +28:25:43 11.0 0.13 52 10WG9 06:13:55.4 +28:18:17 11.9 52 Positions are for J2000
Event circumstances last updated at 2021/12/04 02:02:48 UT
Marc W. Buie, Southwest Research Institute