Event between (523696) 14GW53 and star GA0720:05460497 with event index number of 2334754
Geocentric closest approach at 2027/05/09 09:28:38 UTC
J2000 position of star is 15:17:13.6 -16:40:04
Equinox of date position of star is 15:18:36.3 -16:45:23
Stellar brightness G=15.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 143 degrees from the moon.
Moon is 11% illuminated.
Apparent brightness V=21.5
[RECON map]
Object is 39.5 AU from the Sun
and 38.5 AU from the Earth.
Apparent velocity is 25.0
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 72 seconds.
The 1-sigma cross-track error in the shadow position is
1664 km.
The sky-plane scale is
27921.1 km/arcsec.
The object has an absolute magnitude Hv=5.6
Diameter=461.3 km assuming a 5% albedo -- 18.7 sec chord
Diameter=188.3 km assuming a 30% albedo -- 7.6 sec chord
Dynamical classification is SCATEXTD
Star training set for 523696, (2027/05/09 09:28UT) Object RA Dec mag sep mel Antares 16:31:05.4 -26:29:25 0.9 19.38 162 27Bet Lib 15:18:29.0 -09:28:55 2.6 7.28 140 28 Lib 15:22:27.0 -18:15:21 6.4 1.73 144 PPM 229896 15:13:53.1 -16:30:45 7.8 1.20 142 PPM 230025 15:19:02.8 -16:57:35 9.9 0.20 143 523696 15:18:46.0 -16:46:00 15.2 143 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 16.6 km
RECON observability=1.0 and success probability=17.7%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 09:27:57 | -13.5 | AT | Down | 15.3 | 213.5 | Really Low | 09:21:29 - 09:34:24 | -708 |
| Kamloops | 09:28:30 | -19.1 | Dark | Down | 20.5 | 199.9 | Low | 09:22:03 - 09:34:58 | -804 |
| Kelowna | 09:28:27 | -19.7 | Dark | Down | 21.1 | 200.9 | Low | 09:21:59 - 09:34:54 | -830 |
| Peachland | 09:28:27 | -19.8 | Dark | Down | 21.3 | 200.6 | Low | 09:22:00 - 09:34:55 | -836 |
| Summerland | 09:28:27 | -19.9 | Dark | Down | 21.4 | 200.7 | Low | 09:21:59 - 09:34:54 | -841 |
| Penticton | 09:28:26 | -20.0 | Dark | Down | 21.4 | 200.8 | Low | 09:21:59 - 09:34:54 | -843 |
| Oliver | 09:28:26 | -20.3 | Dark | Down | 21.8 | 200.9 | Low | 09:21:58 - 09:34:53 | -858 |
| Anarchist Mountain Observatory | 09:28:25 | -20.4 | Dark | Down | 21.9 | 201.1 | Low | 09:21:57 - 09:34:52 | -863 |
| Okanogan | 09:28:24 | -21.1 | Dark | Down | 22.5 | 201.0 | Low | 09:21:57 - 09:34:52 | -892 |
| Brewster | 09:28:25 | -21.4 | Dark | Down | 22.8 | 200.8 | Low | 09:21:57 - 09:34:52 | -904 |
| Victoria | 09:28:35 | -21.9 | Dark | Down | 23.2 | 197.1 | Low | 09:22:08 - 09:35:03 | -911 |
| Manson/Chelan | 09:28:25 | -21.6 | Dark | Down | 23.1 | 200.5 | Low | 09:21:58 - 09:34:53 | -915 |
| Wenatchee | 09:28:25 | -22.1 | Dark | Down | 23.6 | 200.4 | Low | 09:21:58 - 09:34:53 | -937 |
| Ellensburg | 09:28:25 | -22.6 | Dark | Down | 24.0 | 200.2 | Low | 09:21:58 - 09:34:53 | -957 |
| Yakima | 09:28:25 | -22.9 | Dark | Down | 24.4 | 200.2 | Low | 09:21:57 - 09:34:52 | -975 |
| Toppenish/White Swan | 09:28:24 | -23.1 | Dark | Down | 24.6 | 200.5 | Low | 09:21:57 - 09:34:52 | -984 |
| PNWRO | 09:28:19 | -23.0 | Dark | Down | 24.5 | 202.0 | Low | 09:21:52 - 09:34:47 | -991 |
| The Dalles | 09:28:25 | -24.0 | Dark | Down | 25.5 | 199.8 | Low | 09:21:58 - 09:34:53 | -1026 |
| Maupin | 09:28:24 | -24.4 | Dark | Down | 25.9 | 199.9 | Low | 09:21:57 - 09:34:52 | -1044 |
| Sisters | 09:28:25 | -25.3 | Dark | Down | 26.8 | 199.6 | Low | 09:21:57 - 09:34:52 | -1090 |
| Bend | 09:28:24 | -25.5 | Dark | Down | 27.0 | 199.9 | Low | 09:21:56 - 09:34:51 | -1100 |
| Oregon Observatory | 09:28:24 | -25.7 | Dark | Down | 27.2 | 199.8 | Low | 09:21:56 - 09:34:51 | -1109 |
| Chiloquin | 09:28:24 | -27.0 | Dark | Down | 28.5 | 199.6 | Low | 09:21:56 - 09:34:51 | -1180 |
| Klamath Falls | 09:28:22 | -27.3 | Dark | Down | 28.8 | 199.7 | Low | 09:21:55 - 09:34:50 | -1198 |
| Cedarville | 09:28:17 | -27.5 | Dark | Down | 29.1 | 201.5 | Low | 09:21:49 - 09:34:44 | -1223 |
| Dunrhomin | 09:27:29 | -22.6 | Dark | Down | 24.7 | 216.5 | Low | 09:21:02 - 09:33:57 | -1239 |
| Nikitin | 09:27:29 | -22.8 | Dark | Down | 24.9 | 216.6 | Low | 09:21:01 - 09:33:56 | -1250 |
| CU-SBO | 09:27:29 | -22.9 | Dark | Down | 25.0 | 216.5 | Low | 09:21:02 - 09:33:57 | -1253 |
| Fall River/Burney | 09:28:20 | -28.3 | Dark | Down | 29.8 | 200.3 | Low | 09:21:52 - 09:34:47 | -1258 |
| Gimple | 09:28:17 | -28.9 | Dark | Down | 30.5 | 201.1 | Up | 09:21:49 - 09:34:44 | -1305 |
| Greenville | 09:28:17 | -29.0 | Dark | Down | 30.6 | 201.0 | Up | 09:21:50 - 09:34:45 | -1305 |
| Quincy | 09:28:17 | -29.2 | Dark | Down | 30.7 | 201.0 | Up | 09:21:49 - 09:34:44 | -1317 |
| Portola | 09:28:15 | -29.1 | Dark | Down | 30.7 | 201.6 | Up | 09:21:48 - 09:34:43 | -1320 |
| Reno | 09:28:13 | -29.2 | Dark | Down | 30.8 | 202.3 | Up | 09:21:45 - 09:34:40 | -1331 |
| Carson City | 09:28:12 | -29.5 | Dark | Down | 31.1 | 202.4 | Up | 09:21:45 - 09:34:40 | -1351 |
| Yerington | 09:28:10 | -29.4 | Dark | Down | 31.1 | 203.1 | Up | 09:21:42 - 09:34:37 | -1358 |
| Gardnerville | 09:28:12 | -29.7 | Dark | Down | 31.3 | 202.5 | Up | 09:21:44 - 09:34:39 | -1365 |
| Hawthorne | 09:28:07 | -29.7 | Dark | Down | 31.4 | 203.8 | Up | 09:21:40 - 09:34:35 | -1381 |
| Lee Vining | 09:28:09 | -30.3 | Dark | Down | 32.1 | 203.4 | Up | 09:21:41 - 09:34:36 | -1418 |
| Bishop | 09:28:05 | -30.6 | Dark | Down | 32.4 | 204.3 | Up | 09:21:38 - 09:34:33 | -1449 |
| Beatty | 09:27:59 | -30.4 | Dark | Down | 32.2 | 206.2 | Up | 09:21:31 - 09:34:26 | -1468 |
| Patrick | 09:27:47 | -30.5 | Dark | Down | 32.5 | 209.6 | Up | 09:21:20 - 09:34:15 | -1545 |
| Laughlin/Bullhead City | 09:27:49 | -31.0 | Dark | Down | 33.0 | 208.9 | Up | 09:21:22 - 09:34:17 | -1565 |
| Lake Havasu City | 09:27:47 | -31.5 | Dark | Down | 33.5 | 209.4 | Up | 09:21:20 - 09:34:15 | -1607 |
| George/Scottsdale | 09:27:38 | -31.0 | Dark | Down | 33.1 | 212.1 | Up | 09:21:10 - 09:34:05 | -1647 |
| Wildwood | 09:28:01 | -33.6 | Dark | Down | 35.4 | 205.0 | Up | 09:21:34 - 09:34:29 | -1658 |
| Idyllwild | 09:27:54 | -33.2 | Dark | Down | 35.1 | 207.1 | Up | 09:21:27 - 09:34:22 | -1669 |
| Calipatria | 09:27:49 | -33.2 | Dark | Down | 35.1 | 208.6 | Up | 09:21:22 - 09:34:17 | -1704 |
| Yuma | 09:27:45 | -33.2 | Dark | Down | 35.2 | 209.7 | Up | 09:21:18 - 09:34:13 | -1728 |
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 523696, (2027/05/09 09:28UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 19.38 162 27Bet Lib 15:17:00.3 -09:22:59 2.6 7.28 140 28 Lib 15:20:53.7 -18:09:32 6.4 1.73 144 PPM 229896 15:12:20.9 -16:24:40 7.8 1.20 142 PPM 230025 15:17:30.3 -16:51:40 9.9 0.20 143 523696 15:17:13.6 -16:40:04 15.2 143 Positions are for J2000
Event circumstances last updated at 2024/06/21 21:28:00 UT
Marc W. Buie, Southwest Research Institute