Event between (470593) 08LP17 and star GA0640:12411112 with event index number of 2270995
Geocentric closest approach at 2022/08/16 05:35:21 UTC
J2000 position of star is 17:13:53.5 -25:15:07
Equinox of date position of star is 17:15:15.5 -25:16:35
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 119 degrees from the moon.
Moon is 79% illuminated.
TNO apparent brightness V=21.3
[RECON map]
TNO is 31.0 AU from the Sun
and 30.5 AU from the Earth.
The TNO is moving 6.3
km/sec on the sky relative to the star, or,
1.0 arcsec/hr.
The 1-sigma error in the time of the event is 235 seconds.
The 1-sigma cross-track error in the shadow position is
1188 km.
The sky-plane scale is
22114.6 km/arcsec.
The TNO has an absolute magnitude Hv=6.2
Diameter=346.7 km assuming a 5% albedo -- 55.3 sec chord
Diameter=141.6 km assuming a 30% albedo -- 22.6 sec chord
Dynamical classification is CENTAURR
Star training set for 470593, (2022/08/16 05:35UT) Object RA Dec mag sep mel Antares 16:30:47.9 -26:28:49 0.9 10.08 128 23Tau Sco 16:37:17.7 -28:15:40 2.8 8.99 127 PPM 266626 17:17:37.0 -26:34:36 6.5 1.40 118 PPM 266633 17:17:51.4 -25:19:44 7.3 0.58 118 PPM 266564 17:14:23.6 -25:11:56 8.7 0.22 119 470593 17:15:17.1 -25:16:36 16.1 119 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
3.8 sigma about the mid-time.
The median site spacing is 22.1 km
RECON observability=0.4 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) |
| Kamloops | 05:30:12 | -17.2 | AT | Up | 10.1 | 205.8 | Really Low | 05:15:12 - 05:45:12 | 8590 |
| Victoria | 05:30:30 | -17.5 | AT | Up | 12.8 | 203.4 | Really Low | 05:15:30 - 05:45:30 | 8563 |
| Peachland | 05:30:01 | -18.1 | Dark | Up | 10.7 | 206.4 | Really Low | 05:15:01 - 05:45:01 | 8551 |
| Kelowna | 05:29:59 | -18.2 | Dark | Up | 10.5 | 206.6 | Really Low | 05:14:59 - 05:44:59 | 8550 |
| Summerland | 05:29:59 | -18.3 | Dark | Up | 10.8 | 206.5 | Really Low | 05:14:59 - 05:44:59 | 8545 |
| Penticton | 05:29:58 | -18.4 | Dark | Up | 10.9 | 206.6 | Really Low | 05:14:58 - 05:44:58 | 8540 |
| Oliver | 05:29:56 | -18.6 | Dark | Up | 11.2 | 206.6 | Really Low | 05:14:56 - 05:44:56 | 8528 |
| Anarchist Mountain Observatory | 05:29:52 | -18.8 | Dark | Up | 11.3 | 206.8 | Really Low | 05:14:52 - 05:44:52 | 8520 |
| Tonasket | 05:29:51 | -19.1 | Dark | Up | 11.6 | 206.7 | Really Low | 05:14:51 - 05:44:51 | 8510 |
| Okanogan | 05:29:50 | -19.2 | Dark | Up | 11.9 | 206.6 | Really Low | 05:14:50 - 05:44:50 | 8500 |
| Brewster | 05:29:52 | -19.4 | Dark | Up | 12.2 | 206.5 | Really Low | 05:14:52 - 05:44:52 | 8493 |
| Manson/Chelan | 05:29:53 | -19.4 | Dark | Up | 12.5 | 206.2 | Really Low | 05:14:53 - 05:44:53 | 8491 |
| Wenatchee | 05:29:52 | -19.7 | Dark | Up | 13.0 | 206.1 | Really Low | 05:14:52 - 05:44:52 | 8476 |
| Ellensburg | 05:29:52 | -19.9 | Dark | Up | 13.4 | 205.9 | Really Low | 05:14:52 - 05:44:52 | 8464 |
| Yakima | 05:29:50 | -20.2 | Dark | Up | 13.8 | 205.9 | Really Low | 05:14:50 - 05:44:50 | 8449 |
| Toppenish/White Swan | 05:29:47 | -20.4 | Dark | Up | 14.0 | 206.1 | Really Low | 05:14:47 - 05:44:47 | 8438 |
| Goldendale | 05:29:50 | -20.6 | Dark | Up | 14.6 | 205.8 | Really Low | 05:14:50 - 05:44:50 | 8423 |
| The Dalles | 05:29:52 | -20.6 | Dark | Up | 14.9 | 205.5 | Really Low | 05:14:52 - 05:44:52 | 8419 |
| Maupin | 05:29:48 | -21.0 | Dark | Up | 15.2 | 205.6 | Really Low | 05:14:48 - 05:44:48 | 8401 |
| PNWRO | 05:29:29 | -21.3 | Dark | Up | 13.8 | 207.4 | Really Low | 05:14:29 - 05:44:29 | 8399 |
| Sleaford | 05:28:22 | -20.7 | Dark | Up | 4.3 | 217.6 | Really Low | 05:13:22 - 05:43:22 | 8384 |
| Sisters | 05:29:48 | -21.4 | Dark | Up | 16.2 | 205.3 | Really Low | 05:14:48 - 05:44:48 | 8372 |
| Bend | 05:29:47 | -21.7 | Dark | Up | 16.3 | 205.6 | Really Low | 05:14:47 - 05:44:47 | 8358 |
| Oregon Observatory | 05:29:45 | -21.8 | Dark | Up | 16.5 | 205.5 | Really Low | 05:14:45 - 05:44:45 | 8353 |
| North Lake | 05:29:35 | -22.5 | Dark | Up | 16.9 | 206.0 | Really Low | 05:14:35 - 05:44:35 | 8316 |
| Chiloquin | 05:29:42 | -22.5 | Dark | Up | 17.9 | 205.3 | Really Low | 05:14:42 - 05:44:42 | 8301 |
| Klamath Falls | 05:29:40 | -22.8 | Dark | Up | 18.1 | 205.4 | Really Low | 05:14:40 - 05:44:40 | 8284 |
| Lakeview | 05:29:27 | -23.5 | Dark | Up | 17.7 | 206.6 | Really Low | 05:14:27 - 05:44:27 | 8258 |
| Cedarville | 05:29:22 | -24.1 | Dark | Up | 18.3 | 206.8 | Really Low | 05:14:22 - 05:44:22 | 8224 |
| Fall River/Burney | 05:29:31 | -23.9 | Dark | Up | 19.1 | 205.9 | Really Low | 05:14:31 - 05:44:31 | 8221 |
| Susanville | 05:29:18 | -24.7 | Dark | Up | 19.4 | 206.6 | Really Low | 05:14:18 - 05:44:18 | 8178 |
| Greenville | 05:29:24 | -24.7 | Dark | Up | 19.8 | 206.4 | Really Low | 05:14:24 - 05:44:24 | 8169 |
| Gimple | 05:29:20 | -24.8 | Dark | Up | 19.7 | 206.4 | Really Low | 05:14:20 - 05:44:20 | 8168 |
| Quincy | 05:29:20 | -24.9 | Dark | Up | 20.0 | 206.4 | Really Low | 05:14:20 - 05:44:20 | 8159 |
| Portola | 05:29:15 | -25.2 | Dark | Up | 19.9 | 206.8 | Really Low | 05:14:15 - 05:44:15 | 8145 |
| Reno | 05:29:08 | -25.7 | Dark | Up | 19.9 | 207.4 | Really Low | 05:14:08 - 05:44:08 | 8120 |
| Carson City | 05:29:06 | -26.0 | Dark | Up | 20.2 | 207.5 | Low | 05:14:06 - 05:44:06 | 8101 |
| Gardnerville | 05:29:03 | -26.2 | Dark | Up | 20.4 | 207.6 | Low | 05:14:03 - 05:44:03 | 8087 |
| Yerington | 05:28:57 | -26.5 | Dark | Up | 20.2 | 208.0 | Low | 05:13:57 - 05:43:57 | 8079 |
| Hawthorne | 05:28:49 | -27.1 | Dark | Up | 20.4 | 208.6 | Low | 05:13:49 - 05:43:49 | 8045 |
| Lee Vining | 05:28:52 | -27.2 | Dark | Up | 21.1 | 208.2 | Low | 05:13:52 - 05:43:52 | 8024 |
| Tonopah | 05:28:31 | -28.1 | Dark | Up | 20.3 | 209.8 | Low | 05:13:31 - 05:43:31 | 7993 |
| Bishop | 05:28:40 | -28.0 | Dark | Up | 21.4 | 208.9 | Low | 05:13:40 - 05:43:40 | 7977 |
| Beatty | 05:28:17 | -29.2 | Dark | Up | 21.2 | 210.4 | Low | 05:13:17 - 05:43:17 | 7919 |
| Indian Springs | 05:28:06 | -30.0 | Dark | Up | 21.0 | 211.3 | Low | 05:13:06 - 05:43:06 | 7878 |
| Dunrhomin | 05:26:42 | -31.4 | Dark | Up | 13.4 | 219.0 | Really Low | 05:11:42 - 05:41:42 | 7843 |
| Henderson | 05:27:56 | -30.7 | Dark | Up | 21.2 | 212.0 | Low | 05:12:56 - 05:42:56 | 7833 |
| CU-SBO | 05:26:42 | -31.6 | Dark | Up | 13.7 | 219.0 | Really Low | 05:11:42 - 05:41:42 | 7832 |
| Wildwood | 05:28:28 | -30.3 | Dark | Up | 24.3 | 209.4 | Low | 05:13:28 - 05:43:28 | 7793 |
| Laughlin/Bullhead City | 05:27:49 | -31.6 | Dark | Up | 21.8 | 212.5 | Low | 05:12:49 - 05:42:49 | 7773 |
| Patrick | 05:27:40 | -31.7 | Dark | Up | 21.3 | 213.0 | Low | 05:12:40 - 05:42:40 | 7772 |
| Kingman/Dolan Springs | 05:27:40 | -31.8 | Dark | Up | 21.5 | 212.9 | Low | 05:12:40 - 05:42:40 | 7763 |
| Mohave Valley | 05:27:45 | -31.8 | Dark | Up | 22.0 | 212.6 | Low | 05:12:45 - 05:42:45 | 7756 |
| Idyllwild | 05:28:05 | -31.6 | Dark | Up | 23.9 | 211.1 | Low | 05:13:05 - 05:43:05 | 7733 |
| Lake Havasu City | 05:27:39 | -32.2 | Dark | Up | 22.2 | 212.8 | Low | 05:12:39 - 05:42:39 | 7727 |
| Parker | 05:27:38 | -32.5 | Dark | Up | 22.5 | 212.9 | Low | 05:12:38 - 05:42:38 | 7705 |
| Calipatria | 05:27:47 | -32.6 | Dark | Up | 23.9 | 212.2 | Low | 05:12:47 - 05:42:47 | 7669 |
| George/Scottsdale | 05:27:07 | -34.0 | Dark | Up | 21.8 | 215.0 | Low | 05:12:07 - 05:42:07 | 7623 |
| Yuma | 05:27:36 | -33.4 | Dark | Up | 23.9 | 213.0 | Low | 05:12:36 - 05:42:36 | 7622 |
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 470593, (2022/08/16 05:35UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 10.08 128 23Tau Sco 16:35:52.9 -28:12:58 2.8 8.99 127 PPM 266626 17:16:12.6 -26:33:11 6.5 1.40 118 PPM 266633 17:16:27.8 -25:18:20 7.3 0.58 118 PPM 266564 17:13:00.1 -25:10:25 8.7 0.22 119 470593 17:13:53.5 -25:15:07 16.1 119 Positions are for J2000
Event circumstances last updated at 2022/03/16 00:56:58 UT
Marc W. Buie, Southwest Research Institute