Event between (40314) 99KR16 and star GA0840:05182702 with event index number of 2309446
Geocentric closest approach at 2024/03/19 10:40:21 UTC
J2000 position of star is 16:47:13.5 -04:23:10
Equinox of date position of star is 16:48:28.1 -04:25:36
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 130 degrees from the moon.
Moon is 72% illuminated.
Apparent brightness V=21.1
[RECON map]
Object is 34.1 AU from the Sun
and 33.8 AU from the Earth.
Apparent velocity is 11.0
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 118 seconds.
The 1-sigma cross-track error in the shadow position is
1643 km.
The sky-plane scale is
24528.2 km/arcsec.
The object has an absolute magnitude Hv=5.6
Diameter=436.5 km assuming a 5% albedo -- 40.9 sec chord
Diameter=178.2 km assuming a 30% albedo -- 16.7 sec chord
Dynamical classification is SCATNEAR
Star training set for 40314, (2024/03/19 10:42UT) Object RA Dec mag sep mel Antares 16:30:53.8 -26:29:01 0.9 22.45 134 13Zet Oph 16:38:29.7 -10:36:51 2.6 6.66 131 23 Oph 16:55:53.5 -06:11:30 5.3 2.55 133 PPM 200032 16:50:08.3 -04:33:25 7.6 0.43 131 PPM 200006 16:48:54.1 -04:32:49 9.5 0.15 130 40314 16:48:30.3 -04:25:40 16.5 131 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 9.8 km
RECON observability=1.0 and success probability=24.6%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 10:48:30 | -21.2 | Dark | Up | 31.5 | 158.7 | Up | 10:38:12 - 10:58:48 | 2584 |
| Dunrhomin | 10:47:17 | -26.3 | Dark | Down | 42.5 | 155.8 | Up | 10:36:59 - 10:57:35 | 2180 |
| Nikitin | 10:47:17 | -26.4 | Dark | Down | 42.7 | 155.7 | Up | 10:36:59 - 10:57:35 | 2171 |
| CU-SBO | 10:47:18 | -26.5 | Dark | Down | 42.7 | 155.5 | Up | 10:37:00 - 10:57:36 | 2162 |
| Kelowna | 10:48:30 | -29.5 | Dark | Up | 29.2 | 143.1 | Low | 10:38:12 - 10:58:48 | 1629 |
| Kamloops | 10:48:34 | -29.3 | Dark | Up | 28.3 | 142.5 | Low | 10:38:16 - 10:58:52 | 1622 |
| Penticton | 10:48:30 | -29.7 | Dark | Up | 29.5 | 142.9 | Low | 10:38:12 - 10:58:48 | 1604 |
| Peachland | 10:48:30 | -29.7 | Dark | Up | 29.2 | 142.8 | Low | 10:38:12 - 10:58:48 | 1604 |
| Summerland | 10:48:30 | -29.7 | Dark | Up | 29.4 | 142.8 | Low | 10:38:12 - 10:58:48 | 1601 |
| Anarchist Mountain Observatory | 10:48:25 | -30.0 | Dark | Up | 30.0 | 142.9 | Low | 10:38:07 - 10:58:43 | 1586 |
| Oliver | 10:48:27 | -30.0 | Dark | Up | 29.7 | 142.8 | Low | 10:38:09 - 10:58:45 | 1584 |
| Okanogan | 10:48:22 | -30.5 | Dark | Up | 30.4 | 142.5 | Up | 10:38:04 - 10:58:40 | 1536 |
| Brewster | 10:48:22 | -30.8 | Dark | Up | 30.5 | 142.1 | Up | 10:38:04 - 10:58:40 | 1508 |
| Manson/Chelan | 10:48:20 | -31.1 | Dark | Up | 30.5 | 141.7 | Up | 10:38:02 - 10:58:38 | 1473 |
| PNWRO | 10:48:08 | -31.7 | Dark | Up | 32.5 | 142.2 | Up | 10:37:50 - 10:58:26 | 1448 |
| Wenatchee | 10:48:18 | -31.5 | Dark | Up | 30.8 | 141.3 | Up | 10:38:00 - 10:58:36 | 1435 |
| Ellensburg | 10:48:16 | -31.9 | Dark | Up | 31.0 | 140.9 | Up | 10:37:58 - 10:58:34 | 1397 |
| Yakima | 10:48:13 | -32.2 | Dark | Up | 31.3 | 140.7 | Up | 10:37:55 - 10:58:31 | 1373 |
| Toppenish/White Swan | 10:48:13 | -32.3 | Dark | Up | 31.6 | 140.8 | Up | 10:37:55 - 10:58:31 | 1372 |
| George/Scottsdale | 10:46:40 | -34.1 | Dark | Up | 45.4 | 143.9 | Up | 10:36:22 - 10:56:58 | 1368 |
| Victoria | 10:48:25 | -32.3 | Dark | Up | 28.6 | 138.5 | Low | 10:38:07 - 10:58:43 | 1313 |
| Patrick | 10:46:55 | -34.7 | Dark | Up | 43.1 | 142.5 | Up | 10:36:37 - 10:57:13 | 1279 |
| The Dalles | 10:48:09 | -33.2 | Dark | Up | 31.8 | 139.7 | Up | 10:37:51 - 10:58:27 | 1276 |
| Maupin | 10:48:06 | -33.4 | Dark | Up | 32.2 | 139.6 | Up | 10:37:48 - 10:58:24 | 1259 |
| Laughlin/Bullhead City | 10:46:54 | -35.3 | Dark | Up | 42.9 | 141.5 | Up | 10:36:36 - 10:57:12 | 1211 |
| Lake Havasu City | 10:46:49 | -35.5 | Dark | Up | 43.6 | 141.4 | Up | 10:36:31 - 10:57:07 | 1201 |
| Bend | 10:47:59 | -34.3 | Dark | Up | 32.9 | 138.8 | Up | 10:37:41 - 10:58:17 | 1179 |
| Sisters | 10:48:01 | -34.3 | Dark | Up | 32.6 | 138.7 | Up | 10:37:43 - 10:58:19 | 1176 |
| Oregon Observatory | 10:48:00 | -34.5 | Dark | Up | 33.0 | 138.6 | Up | 10:37:42 - 10:58:18 | 1161 |
| Beatty | 10:47:09 | -35.9 | Dark | Up | 40.5 | 140.1 | Up | 10:36:51 - 10:57:27 | 1123 |
| Cedarville | 10:47:44 | -35.3 | Dark | Up | 35.3 | 138.9 | Up | 10:37:26 - 10:58:02 | 1115 |
| Yuma | 10:46:38 | -36.6 | Dark | Up | 44.8 | 139.9 | Up | 10:36:20 - 10:56:56 | 1093 |
| Hawthorne | 10:47:23 | -36.2 | Dark | Up | 38.3 | 138.9 | Up | 10:37:05 - 10:57:41 | 1065 |
| Chiloquin | 10:47:52 | -35.6 | Dark | Up | 33.7 | 137.6 | Up | 10:37:34 - 10:58:10 | 1058 |
| Yerington | 10:47:26 | -36.3 | Dark | Up | 37.7 | 138.6 | Up | 10:37:08 - 10:57:44 | 1050 |
| Klamath Falls | 10:47:49 | -35.8 | Dark | Up | 34.0 | 137.5 | Up | 10:37:31 - 10:58:07 | 1044 |
| Calipatria | 10:46:41 | -37.1 | Dark | Up | 44.0 | 139.1 | Up | 10:36:23 - 10:56:59 | 1040 |
| Reno | 10:47:30 | -36.3 | Dark | Up | 37.0 | 138.2 | Up | 10:37:12 - 10:57:48 | 1032 |
| Bishop | 10:47:14 | -36.7 | Dark | Up | 39.3 | 138.5 | Up | 10:36:56 - 10:57:32 | 1022 |
| Carson City | 10:47:29 | -36.5 | Dark | Up | 37.2 | 138.1 | Up | 10:37:11 - 10:57:47 | 1015 |
| Gardnerville | 10:47:26 | -36.7 | Dark | Up | 37.4 | 138.0 | Up | 10:37:08 - 10:57:44 | 1005 |
| Fall River/Burney | 10:47:43 | -36.3 | Dark | Up | 35.1 | 137.3 | Up | 10:37:25 - 10:58:01 | 1003 |
| Portola | 10:47:33 | -36.6 | Dark | Up | 36.4 | 137.7 | Up | 10:37:15 - 10:57:51 | 1000 |
| Lee Vining | 10:47:19 | -36.8 | Dark | Up | 38.5 | 138.1 | Up | 10:37:01 - 10:57:37 | 999 |
| Gimple | 10:47:35 | -36.6 | Dark | Up | 36.0 | 137.4 | Up | 10:37:17 - 10:57:53 | 990 |
| Greenville | 10:47:36 | -36.6 | Dark | Up | 36.0 | 137.3 | Up | 10:37:18 - 10:57:54 | 984 |
| Quincy | 10:47:34 | -36.8 | Dark | Up | 36.1 | 137.2 | Up | 10:37:16 - 10:57:52 | 973 |
| Idyllwild | 10:46:48 | -37.6 | Dark | Up | 42.9 | 138.2 | Up | 10:36:30 - 10:57:06 | 973 |
| Wildwood | 10:46:52 | -38.7 | Dark | Up | 41.6 | 136.3 | Up | 10:36:34 - 10:57:10 | 842 |
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 40314, (2024/03/19 10:42UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 22.45 134 13Zet Oph 16:37:09.6 -10:34:01 2.6 6.66 131 23 Oph 16:54:35.6 -06:09:15 5.3 2.55 133 PPM 200032 16:48:51.4 -04:30:58 7.6 0.43 131 PPM 200006 16:47:37.2 -04:30:19 9.5 0.15 130 40314 16:47:13.5 -04:23:10 16.5 130 Positions are for J2000
Event circumstances last updated at 2023/07/04 04:09:39 UT
Marc W. Buie, Southwest Research Institute