Event between 11WJ157 and star GA1260:03067689 with event index number of 2138727
Geocentric closest approach at 2022/02/15 05:19:41 UTC
J2000 position of star is 07:09:03.6 +36:40:52
Equinox of date position of star is 07:10:32.6 +36:38:39
Stellar brightness G=15.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 26 degrees from the moon.
Moon is 98% illuminated.
TNO apparent brightness V=20.8
[RECON map]
TNO is 39.1 AU from the Sun
and 38.4 AU from the Earth.
The TNO is moving 17.4
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 97 seconds.
The 1-sigma cross-track error in the shadow position is
1431 km.
The sky-plane scale is
27815.9 km/arcsec.
The TNO has an absolute magnitude Hv=4.8
Diameter=654.7 km assuming a 5% albedo -- 38.2 sec chord
Diameter=267.3 km assuming a 30% albedo -- 15.6 sec chord
Dynamical classification is 6:1EEEEE
Star training set for 11WJ157, (2022/02/15 05:19UT) Object RA Dec mag sep mel Pollux 07:46:40.0 +27:58:15 1.1 11.54 16 PPM 072433 07:07:38.9 +34:26:18 6.4 2.28 26 PPM 072497 07:10:54.6 +36:31:34 6.7 0.14 26 11WJ157 07:10:32.6 +36:38:39 15.7 26 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 33.4 km
RECON observability=1.0 and success probability=24.9%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 05:18:55 | -43.9 | Dark | Up | 72.5 | 212.9 | Up | 05:10:18 - 05:27:31 | -1021 |
| Kamloops | 05:19:51 | -38.0 | Dark | Up | 75.9 | 171.9 | Up | 05:11:14 - 05:28:27 | -1199 |
| Kelowna | 05:19:47 | -38.9 | Dark | Up | 76.8 | 174.5 | Up | 05:11:11 - 05:28:24 | -1290 |
| Peachland | 05:19:49 | -38.8 | Dark | Up | 76.9 | 173.4 | Up | 05:11:12 - 05:28:25 | -1301 |
| Summerland | 05:19:49 | -38.9 | Dark | Up | 77.0 | 173.6 | Up | 05:11:12 - 05:28:25 | -1317 |
| Penticton | 05:19:48 | -39.0 | Dark | Up | 77.1 | 174.0 | Up | 05:11:11 - 05:28:24 | -1325 |
| Oliver | 05:19:48 | -39.2 | Dark | Up | 77.4 | 173.8 | Up | 05:11:11 - 05:28:24 | -1363 |
| Anarchist Mountain Observatory | 05:19:48 | -39.4 | Dark | Up | 77.6 | 174.5 | Up | 05:11:11 - 05:28:24 | -1382 |
| Tonasket | 05:19:47 | -39.5 | Dark | Up | 77.9 | 174.1 | Up | 05:11:11 - 05:28:24 | -1416 |
| Victoria | 05:20:04 | -37.3 | Dark | Up | 77.5 | 159.3 | Up | 05:11:27 - 05:28:40 | -1419 |
| Okanogan | 05:19:48 | -39.6 | Dark | Up | 78.3 | 173.3 | Up | 05:11:12 - 05:28:25 | -1452 |
| Brewster | 05:19:49 | -39.6 | Dark | Up | 78.5 | 172.4 | Up | 05:11:13 - 05:28:26 | -1481 |
| Manson/Chelan | 05:19:51 | -39.5 | Dark | Up | 78.7 | 170.8 | Up | 05:11:15 - 05:28:28 | -1502 |
| Wenatchee | 05:19:52 | -39.6 | Dark | Up | 79.1 | 169.7 | Up | 05:11:16 - 05:28:29 | -1553 |
| Ellensburg | 05:19:53 | -39.7 | Dark | Up | 79.5 | 168.3 | Up | 05:11:16 - 05:28:29 | -1598 |
| Yakima | 05:19:53 | -39.9 | Dark | Up | 79.9 | 167.8 | Up | 05:11:17 - 05:28:30 | -1642 |
| Toppenish/White Swan | 05:19:52 | -40.1 | Dark | Up | 80.1 | 168.3 | Up | 05:11:16 - 05:28:29 | -1667 |
| PNWRO | 05:19:46 | -41.1 | Dark | Up | 80.6 | 175.0 | Up | 05:11:10 - 05:28:23 | -1711 |
| Goldendale | 05:19:55 | -40.1 | Dark | Up | 80.6 | 165.6 | Up | 05:11:18 - 05:28:31 | -1725 |
| The Dalles | 05:19:56 | -39.9 | Dark | Up | 80.8 | 163.5 | Up | 05:11:20 - 05:28:33 | -1749 |
| Maupin | 05:19:56 | -40.2 | Dark | Up | 81.2 | 163.2 | Up | 05:11:19 - 05:28:32 | -1795 |
| Sisters | 05:19:59 | -40.3 | Dark | Up | 81.9 | 158.8 | Up | 05:11:22 - 05:28:35 | -1890 |
| Bend | 05:19:57 | -40.5 | Dark | Up | 82.2 | 159.6 | Up | 05:11:21 - 05:28:34 | -1917 |
| Oregon Observatory | 05:19:58 | -40.5 | Dark | Up | 82.3 | 158.4 | Up | 05:11:21 - 05:28:34 | -1935 |
| North Lake | 05:19:56 | -41.1 | Dark | Up | 83.1 | 159.8 | Up | 05:11:19 - 05:28:32 | -2008 |
| Chiloquin | 05:20:00 | -40.8 | Dark | Up | 83.4 | 151.6 | Up | 05:11:24 - 05:28:37 | -2078 |
| Klamath Falls | 05:20:00 | -41.0 | Dark | Up | 83.7 | 150.6 | Up | 05:11:24 - 05:28:37 | -2117 |
| Lakeview | 05:19:53 | -41.9 | Dark | Up | 84.2 | 160.3 | Up | 05:11:17 - 05:28:30 | -2127 |
| Cedarville | 05:19:53 | -42.3 | Dark | Up | 84.8 | 159.4 | Up | 05:11:16 - 05:28:29 | -2200 |
| Fall River/Burney | 05:19:59 | -41.7 | Dark | Up | 84.9 | 147.2 | Up | 05:11:23 - 05:28:36 | -2249 |
| Dunrhomin | 05:18:42 | -52.5 | Dark | Up | 79.6 | 253.8 | Up | 05:10:06 - 05:27:19 | -2301 |
| Susanville | 05:19:55 | -42.4 | Dark | Up | 85.7 | 149.3 | Up | 05:11:19 - 05:28:32 | -2322 |
| CU-SBO | 05:18:42 | -52.6 | Dark | Up | 79.8 | 255.0 | Up | 05:10:06 - 05:27:19 | -2329 |
| Greenville | 05:19:57 | -42.4 | Dark | Up | 85.8 | 144.6 | Up | 05:11:21 - 05:28:34 | -2351 |
| Gimple | 05:19:57 | -42.4 | Dark | Up | 85.8 | 145.4 | Up | 05:11:20 - 05:28:33 | -2352 |
| Quincy | 05:19:57 | -42.4 | Dark | Up | 86.0 | 143.0 | Up | 05:11:20 - 05:28:33 | -2373 |
| Portola | 05:19:55 | -42.8 | Dark | Up | 86.3 | 146.6 | Up | 05:11:19 - 05:28:32 | -2389 |
| Reno | 05:19:52 | -43.4 | Dark | Up | 86.8 | 151.7 | Up | 05:11:15 - 05:28:28 | -2421 |
| Carson City | 05:19:52 | -43.5 | Dark | Up | 87.1 | 148.6 | Up | 05:11:16 - 05:28:29 | -2461 |
| Yerington | 05:19:49 | -44.0 | Dark | Up | 87.5 | 156.1 | Up | 05:11:12 - 05:28:25 | -2485 |
| Gardnerville | 05:19:51 | -43.6 | Dark | Up | 87.3 | 146.6 | Up | 05:11:15 - 05:28:28 | -2488 |
| Hawthorne | 05:19:46 | -44.6 | Dark | Up | 88.1 | 161.9 | Up | 05:11:10 - 05:28:23 | -2538 |
| Tonopah | 05:19:39 | -45.8 | Dark | Up | 88.5 | 200.4 | Up | 05:11:03 - 05:28:16 | -2592 |
| Lee Vining | 05:19:49 | -44.5 | Dark | Up | 88.4 | 142.2 | Up | 05:11:12 - 05:28:25 | -2599 |
| Bishop | 05:19:46 | -45.2 | Dark | Up | 89.2 | 148.7 | Up | 05:11:09 - 05:28:22 | -2667 |
| Beatty | 05:19:37 | -46.6 | Dark | Up | 89.1 | 256.1 | Up | 05:11:00 - 05:28:13 | -2721 |
| Indian Springs | 05:19:31 | -47.5 | Dark | Up | 88.3 | 274.2 | Up | 05:10:55 - 05:28:08 | -2758 |
| Henderson | 05:19:29 | -48.2 | Dark | Up | 87.6 | 286.6 | Up | 05:10:52 - 05:28:05 | -2817 |
| Patrick | 05:19:23 | -49.3 | Dark | Up | 86.6 | 293.0 | Up | 05:10:46 - 05:27:59 | -2885 |
| Kingman/Dolan Springs | 05:19:24 | -49.2 | Dark | Up | 86.6 | 297.4 | Up | 05:10:47 - 05:28:00 | -2910 |
| Laughlin/Bullhead City | 05:19:26 | -48.8 | Dark | Up | 87.0 | 301.1 | Up | 05:10:49 - 05:28:02 | -2913 |
| Mohave Valley | 05:19:26 | -49.0 | Dark | Up | 86.8 | 305.2 | Up | 05:10:50 - 05:28:03 | -2943 |
| Lake Havasu City | 05:19:25 | -49.3 | Dark | Up | 86.4 | 308.7 | Up | 05:10:49 - 05:28:02 | -2987 |
| Parker | 05:19:25 | -49.5 | Dark | Up | 86.2 | 312.6 | Up | 05:10:48 - 05:28:01 | -3026 |
| Wildwood | 05:19:46 | -46.2 | Dark | Up | 87.3 | 12.6 | Up | 05:11:10 - 05:28:23 | -3029 |
| George/Scottsdale | 05:19:12 | -51.4 | Dark | Up | 84.3 | 303.3 | Up | 05:10:36 - 05:27:49 | -3067 |
| Idyllwild | 05:19:38 | -47.8 | Dark | Up | 86.9 | 342.9 | Up | 05:11:01 - 05:28:14 | -3072 |
| Calipatria | 05:19:31 | -48.9 | Dark | Up | 86.0 | 332.8 | Up | 05:10:55 - 05:28:08 | -3140 |
| Yuma | 05:19:27 | -49.7 | Dark | Up | 85.2 | 327.7 | Up | 05:10:50 - 05:28:03 | -3187 |
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 11WJ157, (2022/02/15 05:19UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 11.54 16 PPM 072433 07:06:11.5 +34:28:25 6.4 2.28 26 PPM 072497 07:09:25.7 +36:33:48 6.7 0.14 26 11WJ157 07:09:03.6 +36:40:52 15.7 26 Positions are for J2000
Event circumstances last updated at 2022/02/13 02:02:17 UT
Marc W. Buie, Southwest Research Institute