Event between 05UN524 and star GA1260:03255292 with event index number of 1957735
Geocentric closest approach at 2022/05/13 06:45:57 UTC
J2000 position of star is 08:05:16.1 +37:48:36
Equinox of date position of star is 08:06:43.9 +37:44:44
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 78 degrees from the moon.
Moon is 89% illuminated.
TNO apparent brightness V=21.9
[RECON map]
TNO is 19.0 AU from the Sun
and 19.4 AU from the Earth.
The TNO is moving 21.4
km/sec on the sky relative to the star, or,
5.5 arcsec/hr.
The 1-sigma error in the time of the event is 43 seconds.
The 1-sigma cross-track error in the shadow position is
828 km.
The sky-plane scale is
14064.5 km/arcsec.
The TNO has an absolute magnitude Hv=8.8
Diameter=102.8 km assuming a 5% albedo -- 4.9 sec chord
Diameter=42.0 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is CENTAURR
Star training set for 05UN524, (2022/05/13 06:46UT) Object RA Dec mag sep mel Pollux 07:46:40.9 +27:58:13 1.1 10.64 80 PPM 073264 07:57:08.0 +35:21:07 6.1 3.07 79 PPM 073368 08:04:54.6 +37:04:21 8.1 0.76 78 PPM 073402 08:07:40.5 +37:38:25 9.9 0.21 78 05UN524 08:06:44.6 +37:44:42 16.9 78 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 3.2 km
RECON observability=0.7 and success probability=0.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Dunrhomin | 06:47:17 | -31.3 | Dark | Up | 13.1 | 308.9 | Really Low | 06:43:12 - 06:51:23 | 8401 |
| CU-SBO | 06:47:17 | -31.6 | Dark | Up | 13.0 | 308.9 | Really Low | 06:43:12 - 06:51:23 | 8396 |
| Sleaford | 06:46:30 | -19.5 | Dark | Up | 20.8 | 305.4 | Low | 06:42:24 - 06:50:35 | 8359 |
| George/Scottsdale | 06:47:57 | -37.2 | Dark | Up | 13.2 | 306.9 | Really Low | 06:43:51 - 06:52:02 | 8068 |
| Patrick | 06:47:55 | -35.2 | Dark | Up | 15.5 | 305.7 | Really Low | 06:43:50 - 06:52:01 | 8026 |
| Kingman/Dolan Springs | 06:47:56 | -35.4 | Dark | Up | 15.5 | 305.6 | Really Low | 06:43:51 - 06:52:02 | 8014 |
| Henderson | 06:47:54 | -34.4 | Dark | Up | 16.6 | 305.0 | Really Low | 06:43:49 - 06:52:00 | 7994 |
| Laughlin/Bullhead City | 06:47:57 | -35.3 | Dark | Up | 15.9 | 305.4 | Really Low | 06:43:51 - 06:52:02 | 7992 |
| Lake Havasu City | 06:48:00 | -36.0 | Dark | Up | 15.3 | 305.7 | Really Low | 06:43:54 - 06:52:05 | 7987 |
| Mohave Valley | 06:47:59 | -35.6 | Dark | Up | 15.7 | 305.5 | Really Low | 06:43:53 - 06:52:04 | 7986 |
| Parker | 06:48:01 | -36.4 | Dark | Up | 15.1 | 305.8 | Really Low | 06:43:55 - 06:52:06 | 7980 |
| Indian Springs | 06:47:53 | -33.7 | Dark | Up | 17.4 | 304.6 | Really Low | 06:43:48 - 06:51:59 | 7977 |
| PNWRO | 06:47:17 | -24.0 | Dark | Up | 24.6 | 299.8 | Low | 06:43:11 - 06:51:22 | 7972 |
| Anarchist Mountain Observatory | 06:47:03 | -21.0 | Dark | Up | 26.3 | 298.2 | Low | 06:42:57 - 06:51:08 | 7967 |
| Kelowna | 06:46:59 | -20.1 | Dark | Up | 26.8 | 297.8 | Low | 06:42:53 - 06:51:04 | 7963 |
| Tonasket | 06:47:04 | -21.3 | Dark | Up | 26.2 | 298.3 | Low | 06:42:59 - 06:51:10 | 7963 |
| Penticton | 06:47:01 | -20.4 | Dark | Up | 26.7 | 297.9 | Low | 06:42:55 - 06:51:06 | 7960 |
| Oliver | 06:47:03 | -20.8 | Dark | Up | 26.5 | 298.0 | Low | 06:42:58 - 06:51:09 | 7959 |
| Okanogan | 06:47:06 | -21.6 | Dark | Up | 26.2 | 298.4 | Low | 06:43:00 - 06:51:11 | 7957 |
| Summerland | 06:47:01 | -20.4 | Dark | Up | 26.8 | 297.8 | Low | 06:42:55 - 06:51:06 | 7956 |
| Peachland | 06:47:00 | -20.2 | Dark | Up | 26.9 | 297.7 | Low | 06:42:54 - 06:51:05 | 7953 |
| Brewster | 06:47:08 | -21.8 | Dark | Up | 26.1 | 298.4 | Low | 06:43:03 - 06:51:14 | 7948 |
| Tonopah | 06:47:50 | -32.0 | Dark | Up | 19.3 | 303.5 | Really Low | 06:43:44 - 06:51:55 | 7943 |
| Beatty | 06:47:54 | -33.2 | Dark | Up | 18.3 | 304.0 | Really Low | 06:43:49 - 06:52:00 | 7939 |
| Manson/Chelan | 06:47:09 | -21.9 | Dark | Up | 26.3 | 298.3 | Low | 06:43:03 - 06:51:14 | 7934 |
| Kamloops | 06:46:56 | -19.2 | Dark | Up | 27.7 | 296.9 | Low | 06:42:51 - 06:51:02 | 7931 |
| Yuma | 06:48:08 | -37.7 | Dark | Up | 14.4 | 306.0 | Really Low | 06:44:03 - 06:52:14 | 7930 |
| Wenatchee | 06:47:11 | -22.3 | Dark | Up | 26.1 | 298.4 | Low | 06:43:06 - 06:51:17 | 7925 |
| Toppenish/White Swan | 06:47:17 | -23.3 | Dark | Up | 25.7 | 298.8 | Low | 06:43:11 - 06:51:22 | 7916 |
| Ellensburg | 06:47:14 | -22.7 | Dark | Up | 26.1 | 298.4 | Low | 06:43:08 - 06:51:19 | 7914 |
| Yakima | 06:47:16 | -23.0 | Dark | Up | 25.9 | 298.6 | Low | 06:43:10 - 06:51:21 | 7911 |
| Calipatria | 06:48:07 | -37.1 | Dark | Up | 15.3 | 305.5 | Really Low | 06:44:01 - 06:52:12 | 7903 |
| Goldendale | 06:47:17 | -23.7 | Dark | Up | 25.7 | 298.8 | Low | 06:43:11 - 06:51:22 | 7896 |
| Hawthorne | 06:47:49 | -31.2 | Dark | Up | 20.4 | 302.7 | Low | 06:43:44 - 06:51:55 | 7891 |
| Cedarville | 06:47:17 | -27.9 | Dark | Up | 23.1 | 300.8 | Low | 06:43:12 - 06:51:23 | 7888 |
| Lakeview | 06:47:17 | -27.3 | Dark | Up | 23.6 | 300.5 | Low | 06:43:12 - 06:51:23 | 7887 |
| Reno | 06:47:17 | -29.9 | Dark | Up | 21.9 | 301.7 | Low | 06:43:12 - 06:51:23 | 7884 |
| Maupin | 06:47:17 | -24.3 | Dark | Up | 25.5 | 298.9 | Low | 06:43:12 - 06:51:23 | 7881 |
| The Dalles | 06:47:17 | -23.9 | Dark | Up | 25.8 | 298.7 | Low | 06:43:12 - 06:51:23 | 7879 |
| Bishop | 06:47:53 | -32.4 | Dark | Up | 19.6 | 303.1 | Really Low | 06:43:48 - 06:51:59 | 7879 |
| Yerington | 06:47:48 | -30.6 | Dark | Up | 21.0 | 302.3 | Low | 06:43:43 - 06:51:54 | 7877 |
| North Lake | 06:47:17 | -26.1 | Dark | Up | 24.4 | 299.8 | Low | 06:43:12 - 06:51:23 | 7873 |
| Idyllwild | 06:48:07 | -36.2 | Dark | Up | 16.4 | 304.9 | Really Low | 06:44:02 - 06:52:13 | 7869 |
| Bend | 06:47:17 | -25.3 | Dark | Up | 25.1 | 299.3 | Low | 06:43:12 - 06:51:23 | 7863 |
| Portola | 06:47:17 | -29.5 | Dark | Up | 22.4 | 301.3 | Low | 06:43:12 - 06:51:23 | 7860 |
| Lee Vining | 06:47:53 | -31.6 | Dark | Up | 20.5 | 302.6 | Low | 06:43:47 - 06:51:58 | 7860 |
| Susanville | 06:47:17 | -28.9 | Dark | Up | 22.9 | 301.0 | Low | 06:43:12 - 06:51:23 | 7858 |
| Oregon Observatory | 06:47:17 | -25.4 | Dark | Up | 25.1 | 299.3 | Low | 06:43:12 - 06:51:23 | 7856 |
| Sisters | 06:47:17 | -25.0 | Dark | Up | 25.4 | 299.0 | Low | 06:43:12 - 06:51:23 | 7854 |
| Carson City | 06:47:47 | -30.3 | Dark | Up | 21.6 | 301.9 | Low | 06:43:42 - 06:51:53 | 7853 |
| Gardnerville | 06:47:49 | -30.5 | Dark | Up | 21.4 | 302.0 | Low | 06:43:44 - 06:51:55 | 7851 |
| Gimple | 06:47:17 | -29.1 | Dark | Up | 22.8 | 301.0 | Low | 06:43:12 - 06:51:23 | 7846 |
| Greenville | 06:47:17 | -29.1 | Dark | Up | 22.9 | 300.9 | Low | 06:43:12 - 06:51:23 | 7843 |
| Quincy | 06:47:17 | -29.2 | Dark | Up | 22.8 | 301.0 | Low | 06:43:12 - 06:51:23 | 7841 |
| Fall River/Burney | 06:47:17 | -28.1 | Dark | Up | 23.7 | 300.4 | Low | 06:43:12 - 06:51:23 | 7833 |
| Klamath Falls | 06:47:17 | -26.9 | Dark | Up | 24.5 | 299.7 | Low | 06:43:12 - 06:51:23 | 7828 |
| Chiloquin | 06:47:17 | -26.5 | Dark | Up | 24.7 | 299.6 | Low | 06:43:12 - 06:51:23 | 7828 |
| Victoria | 06:47:10 | -20.6 | Dark | Up | 28.5 | 296.1 | Low | 06:43:05 - 06:51:16 | 7811 |
| Wildwood | 06:48:09 | -35.4 | Dark | Up | 17.9 | 304.0 | Really Low | 06:44:04 - 06:52:15 | 7794 |
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 05UN524, (2022/05/13 06:46UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 10.64 80 PPM 073264 07:55:40.7 +35:24:45 6.1 3.07 79 PPM 073368 08:03:26.4 +37:08:12 8.1 0.76 78 PPM 073402 08:06:12.1 +37:42:21 9.9 0.21 78 05UN524 08:05:16.1 +37:48:36 16.9 78 Positions are for J2000
Event circumstances last updated at 2022/03/12 01:39:50 UT
Marc W. Buie, Southwest Research Institute