Event between (471172) 10JC80 and star GA0640:09367108 with event index number of 2238555
Geocentric closest approach at 2023/06/26 06:25:00 UTC
J2000 position of star is 16:56:14.9 -24:00:38
Equinox of date position of star is 16:57:39.9 -24:02:45
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 72 degrees from the moon.
Moon is 50% illuminated.
Apparent brightness V=21.1
[RECON map]
Object is 31.7 AU from the Sun
and 30.7 AU from the Earth.
Apparent velocity is 21.5
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 106 seconds.
The 1-sigma cross-track error in the shadow position is
1173 km.
The sky-plane scale is
22274.9 km/arcsec.
The object has an absolute magnitude Hv=6.1
Diameter=358.1 km assuming a 5% albedo -- 16.7 sec chord
Diameter=146.2 km assuming a 30% albedo -- 6.8 sec chord
Dynamical classification is 5:2EEE
Star training set for 471172, (2023/06/26 06:25UT) Object RA Dec mag sep mel Antares 16:30:51.1 -26:28:55 0.9 6.53 66 23Tau Sco 16:37:20.9 -28:15:46 2.8 6.21 68 26 Oph 17:01:36.0 -25:01:22 5.8 1.32 73 PPM 266130 16:56:23.1 -24:32:40 8.2 0.58 72 PPM 266151 16:57:14.5 -24:03:36 9.2 0.10 72 471172 16:57:40.6 -24:02:46 16.9 72 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 13.8 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) |
| Sleaford | 06:24:58 | -14.0 | AT | Up | 13.4 | 189.7 | Really Low | 06:15:36 - 06:34:19 | 7654 |
| Kamloops | 06:25:43 | -12.8 | AT | Up | 15.2 | 176.3 | Really Low | 06:16:22 - 06:35:05 | 7534 |
| Kelowna | 06:25:40 | -13.8 | AT | Up | 16.1 | 177.2 | Really Low | 06:16:19 - 06:35:02 | 7517 |
| Peachland | 06:25:41 | -13.8 | AT | Up | 16.2 | 176.9 | Really Low | 06:16:19 - 06:35:02 | 7511 |
| Summerland | 06:25:40 | -14.0 | AT | Up | 16.3 | 177.0 | Really Low | 06:16:19 - 06:35:02 | 7507 |
| Penticton | 06:25:40 | -14.1 | AT | Up | 16.4 | 177.1 | Really Low | 06:16:19 - 06:35:02 | 7506 |
| Oliver | 06:25:40 | -14.4 | AT | Up | 16.8 | 177.1 | Really Low | 06:16:19 - 06:35:02 | 7494 |
| Anarchist Mountain Observatory | 06:25:40 | -14.6 | AT | Up | 16.9 | 177.3 | Really Low | 06:16:19 - 06:35:02 | 7491 |
| Okanogan | 06:25:41 | -15.2 | AT | Up | 17.6 | 177.0 | Really Low | 06:16:19 - 06:35:02 | 7467 |
| Brewster | 06:25:42 | -15.4 | AT | Up | 17.8 | 176.8 | Really Low | 06:16:20 - 06:35:03 | 7456 |
| Manson/Chelan | 06:25:43 | -15.4 | AT | Up | 18.0 | 176.5 | Really Low | 06:16:21 - 06:35:04 | 7445 |
| Victoria | 06:25:53 | -14.0 | AT | Up | 17.2 | 173.4 | Really Low | 06:16:32 - 06:35:15 | 7433 |
| Wenatchee | 06:25:43 | -15.8 | AT | Up | 18.5 | 176.3 | Really Low | 06:16:21 - 06:35:04 | 7426 |
| Ellensburg | 06:25:44 | -16.2 | AT | Up | 18.9 | 176.1 | Really Low | 06:16:23 - 06:35:06 | 7409 |
| Yakima | 06:25:44 | -16.5 | AT | Up | 19.3 | 176.1 | Really Low | 06:16:23 - 06:35:06 | 7394 |
| PNWRO | 06:25:38 | -17.5 | AT | Up | 20.0 | 177.7 | Really Low | 06:16:17 - 06:35:00 | 7388 |
| Toppenish/White Swan | 06:25:44 | -16.8 | AT | Up | 19.5 | 176.2 | Really Low | 06:16:22 - 06:35:05 | 7387 |
| The Dalles | 06:25:47 | -17.3 | AT | Up | 20.3 | 175.4 | Low | 06:16:25 - 06:35:08 | 7349 |
| Maupin | 06:25:46 | -17.7 | AT | Up | 20.7 | 175.5 | Low | 06:16:25 - 06:35:08 | 7334 |
| Sisters | 06:25:48 | -18.3 | Dark | Up | 21.5 | 175.0 | Low | 06:16:26 - 06:35:09 | 7293 |
| Bend | 06:25:47 | -18.6 | Dark | Up | 21.8 | 175.3 | Low | 06:16:26 - 06:35:09 | 7286 |
| Oregon Observatory | 06:25:47 | -18.7 | Dark | Up | 22.0 | 175.1 | Low | 06:16:26 - 06:35:09 | 7278 |
| Dunrhomin | 06:24:46 | -25.7 | Dark | Up | 24.9 | 191.2 | Low | 06:15:24 - 06:34:07 | 7226 |
| Nikitin | 06:24:45 | -25.9 | Dark | Up | 25.1 | 191.2 | Low | 06:15:24 - 06:34:07 | 7217 |
| Chiloquin | 06:25:50 | -19.8 | Dark | Up | 23.2 | 174.7 | Low | 06:16:28 - 06:35:11 | 7215 |
| CU-SBO | 06:24:46 | -26.0 | Dark | Up | 25.2 | 191.1 | Low | 06:15:24 - 06:34:07 | 7214 |
| Klamath Falls | 06:25:49 | -20.1 | Dark | Up | 23.6 | 174.8 | Low | 06:16:27 - 06:35:10 | 7201 |
| Cedarville | 06:25:44 | -21.3 | Dark | Up | 24.4 | 176.3 | Low | 06:16:22 - 06:35:05 | 7187 |
| Fall River/Burney | 06:25:47 | -21.3 | Dark | Up | 24.8 | 175.1 | Low | 06:16:26 - 06:35:09 | 7151 |
| Gimple | 06:25:46 | -22.3 | Dark | Up | 25.7 | 175.6 | Low | 06:16:24 - 06:35:07 | 7113 |
| Greenville | 06:25:46 | -22.3 | Dark | Up | 25.7 | 175.5 | Low | 06:16:24 - 06:35:07 | 7112 |
| Quincy | 06:25:45 | -22.5 | Dark | Up | 25.9 | 175.5 | Low | 06:16:24 - 06:35:07 | 7102 |
| Portola | 06:25:44 | -22.7 | Dark | Up | 26.1 | 176.0 | Low | 06:16:23 - 06:35:06 | 7102 |
| Reno | 06:25:42 | -23.2 | Dark | Up | 26.4 | 176.6 | Low | 06:16:20 - 06:35:03 | 7096 |
| Carson City | 06:25:41 | -23.5 | Dark | Up | 26.7 | 176.6 | Low | 06:16:20 - 06:35:03 | 7078 |
| Yerington | 06:25:38 | -23.9 | Dark | Up | 26.9 | 177.2 | Low | 06:16:17 - 06:35:00 | 7075 |
| Gardnerville | 06:25:41 | -23.8 | Dark | Up | 27.0 | 176.7 | Low | 06:16:19 - 06:35:02 | 7066 |
| Hawthorne | 06:25:37 | -24.5 | Dark | Up | 27.4 | 177.8 | Low | 06:16:15 - 06:34:58 | 7057 |
| Lee Vining | 06:25:39 | -24.9 | Dark | Up | 28.0 | 177.3 | Low | 06:16:17 - 06:35:00 | 7023 |
| Bishop | 06:25:36 | -25.6 | Dark | Up | 28.6 | 178.0 | Low | 06:16:15 - 06:34:58 | 6999 |
| Beatty | 06:25:29 | -26.5 | Dark | Up | 29.1 | 179.7 | Low | 06:16:07 - 06:34:50 | 6990 |
| Patrick | 06:25:17 | -28.7 | Dark | Up | 30.5 | 182.7 | Up | 06:15:56 - 06:34:39 | 6933 |
| Laughlin/Bullhead City | 06:25:19 | -28.8 | Dark | Up | 30.8 | 181.9 | Up | 06:15:57 - 06:34:40 | 6913 |
| Lake Havasu City | 06:25:19 | -29.5 | Dark | Up | 31.5 | 182.2 | Up | 06:15:57 - 06:34:40 | 6877 |
| George/Scottsdale | 06:25:08 | -30.9 | Dark | Up | 32.1 | 184.9 | Up | 06:15:47 - 06:34:30 | 6851 |
| Wildwood | 06:25:36 | -28.6 | Dark | Up | 31.9 | 177.7 | Up | 06:16:14 - 06:34:57 | 6813 |
| Idyllwild | 06:25:28 | -29.5 | Dark | Up | 32.3 | 179.7 | Up | 06:16:06 - 06:34:49 | 6812 |
| Calipatria | 06:25:23 | -30.4 | Dark | Up | 32.9 | 181.0 | Up | 06:16:01 - 06:34:44 | 6786 |
| Yuma | 06:25:19 | -31.1 | Dark | Up | 33.3 | 181.9 | Up | 06:15:58 - 06:34:41 | 6768 |
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 471172, (2023/06/26 06:25UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 6.53 66 23Tau Sco 16:35:52.9 -28:12:58 2.8 6.21 68 26 Oph 17:00:09.6 -24:59:22 5.8 1.32 73 PPM 266130 16:54:57.2 -24:30:30 8.2 0.58 72 PPM 266151 16:55:48.8 -24:01:27 9.2 0.10 72 471172 16:56:14.9 -24:00:38 16.9 72 Positions are for J2000
Event circumstances last updated at 2023/04/19 02:39:02 UT
Marc W. Buie, Southwest Research Institute