Event between (470309) 07JK43 and star GA1020:06551111 with event index number of 2228820
Geocentric closest approach at 2024/04/16 10:20:45 UTC
J2000 position of star is 18:37:26.3 +12:28:27
Equinox of date position of star is 18:38:33.4 +12:29:47
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 134 degrees from the moon.
Moon is 56% illuminated.
Apparent brightness V=21.7
[RECON map]
Object is 26.0 AU from the Sun
and 25.8 AU from the Earth.
Apparent velocity is 20.0
km/sec on the sky relative to the star, or,
3.9 arcsec/hr.
The 1-sigma error in the time of the event is 55 seconds.
The 1-sigma cross-track error in the shadow position is
1257 km.
The sky-plane scale is
18680.8 km/arcsec.
The object has an absolute magnitude Hv=7.3
Diameter=209.9 km assuming a 5% albedo -- 10.5 sec chord
Diameter=85.7 km assuming a 30% albedo -- 4.3 sec chord
Dynamical classification is CENTAURS
Star training set for 470309, (2024/04/16 10:21UT) Object RA Dec mag sep mel Vega 18:37:45.7 +38:48:26 0.0 26.31 112 Rasalhague 17:36:03.8 +12:32:39 2.1 15.25 124 PPM 134929 18:35:56.0 +10:54:46 6.2 1.71 135 PPM 134989 18:38:25.7 +12:17:23 8.3 0.21 134 PPM 134976 18:38:05.9 +12:25:18 9.3 0.14 134 470309 18:38:33.9 +12:29:47 16.7 134 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 10.0 km
RECON observability=1.0 and success probability=23.4%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 10:24:20 | -14.2 | AT | Down | 45.9 | 145.0 | Up | 10:19:13 - 10:29:26 | 2495 |
| Dunrhomin | 10:23:30 | -21.0 | Dark | Down | 55.3 | 136.6 | Up | 10:18:23 - 10:28:36 | 1982 |
| Nikitin | 10:23:29 | -21.1 | Dark | Down | 55.5 | 136.4 | Up | 10:18:23 - 10:28:36 | 1972 |
| CU-SBO | 10:23:29 | -21.2 | Dark | Down | 55.5 | 136.2 | Up | 10:18:22 - 10:28:35 | 1963 |
| Kamloops | 10:24:28 | -21.5 | Dark | Up | 40.6 | 126.7 | Up | 10:19:22 - 10:29:35 | 1590 |
| Kelowna | 10:24:25 | -21.8 | Dark | Up | 41.6 | 127.1 | Up | 10:19:18 - 10:29:31 | 1584 |
| Peachland | 10:24:24 | -22.0 | Dark | Up | 41.5 | 126.7 | Up | 10:19:17 - 10:29:30 | 1561 |
| Penticton | 10:24:24 | -22.0 | Dark | Up | 41.7 | 126.8 | Up | 10:19:17 - 10:29:30 | 1558 |
| Summerland | 10:24:24 | -22.0 | Dark | Up | 41.6 | 126.7 | Up | 10:19:17 - 10:29:30 | 1556 |
| Oliver | 10:24:21 | -22.3 | Dark | Up | 41.9 | 126.5 | Up | 10:19:15 - 10:29:28 | 1534 |
| Anarchist Mountain Observatory | 10:24:21 | -22.4 | Dark | Up | 42.1 | 126.6 | Up | 10:19:15 - 10:29:28 | 1534 |
| Okanogan | 10:24:19 | -23.0 | Dark | Up | 42.4 | 125.9 | Up | 10:19:12 - 10:29:25 | 1480 |
| Brewster | 10:24:18 | -23.3 | Dark | Up | 42.4 | 125.5 | Up | 10:19:11 - 10:29:24 | 1451 |
| Manson/Chelan | 10:24:17 | -23.6 | Dark | Up | 42.3 | 124.9 | Up | 10:19:10 - 10:29:23 | 1417 |
| Wenatchee | 10:24:15 | -24.0 | Dark | Up | 42.5 | 124.3 | Up | 10:19:09 - 10:29:22 | 1376 |
| PNWRO | 10:24:09 | -24.5 | Dark | Up | 44.1 | 124.8 | Up | 10:19:02 - 10:29:15 | 1368 |
| Ellensburg | 10:24:14 | -24.4 | Dark | Up | 42.6 | 123.8 | Up | 10:19:08 - 10:29:21 | 1337 |
| Yakima | 10:24:13 | -24.8 | Dark | Up | 42.8 | 123.4 | Up | 10:19:07 - 10:29:20 | 1309 |
| Toppenish/White Swan | 10:24:12 | -24.9 | Dark | Up | 43.0 | 123.5 | Up | 10:19:06 - 10:29:19 | 1305 |
| Victoria | 10:24:23 | -24.4 | Dark | Up | 40.2 | 121.9 | Up | 10:19:16 - 10:29:29 | 1283 |
| The Dalles | 10:24:09 | -25.8 | Dark | Up | 43.0 | 122.0 | Up | 10:19:03 - 10:29:16 | 1209 |
| Maupin | 10:24:08 | -26.1 | Dark | Up | 43.3 | 121.8 | Up | 10:19:02 - 10:29:15 | 1188 |
| George/Scottsdale | 10:23:07 | -29.2 | Dark | Down | 55.1 | 120.3 | Up | 10:18:00 - 10:28:13 | 1164 |
| Sisters | 10:24:04 | -27.0 | Dark | Up | 43.4 | 120.5 | Up | 10:18:58 - 10:29:11 | 1102 |
| Bend | 10:24:03 | -27.1 | Dark | Up | 43.7 | 120.6 | Up | 10:18:57 - 10:29:10 | 1102 |
| Patrick | 10:23:17 | -29.4 | Dark | Down | 52.9 | 120.0 | Up | 10:18:11 - 10:28:24 | 1097 |
| Oregon Observatory | 10:24:03 | -27.3 | Dark | Up | 43.7 | 120.3 | Up | 10:18:56 - 10:29:09 | 1083 |
| Laughlin/Bullhead City | 10:23:17 | -30.0 | Dark | Down | 52.5 | 119.0 | Up | 10:18:11 - 10:28:24 | 1033 |
| Lake Havasu City | 10:23:14 | -30.3 | Dark | Down | 53.0 | 118.5 | Up | 10:18:07 - 10:28:20 | 1017 |
| Cedarville | 10:23:52 | -28.5 | Dark | Up | 45.7 | 119.6 | Up | 10:18:45 - 10:28:58 | 1012 |
| Chiloquin | 10:23:58 | -28.5 | Dark | Up | 44.1 | 118.8 | Up | 10:18:51 - 10:29:04 | 974 |
| Beatty | 10:23:28 | -30.1 | Dark | Down | 50.2 | 118.6 | Up | 10:18:21 - 10:28:34 | 969 |
| Klamath Falls | 10:23:56 | -28.7 | Dark | Up | 44.3 | 118.5 | Up | 10:18:50 - 10:29:03 | 957 |
| Hawthorne | 10:23:37 | -30.0 | Dark | Down | 48.1 | 118.3 | Up | 10:18:30 - 10:28:43 | 933 |
| Yerington | 10:23:40 | -29.9 | Dark | Down | 47.5 | 118.2 | Up | 10:18:33 - 10:28:46 | 925 |
| Reno | 10:23:43 | -29.8 | Dark | Down | 46.8 | 118.1 | Up | 10:18:36 - 10:28:49 | 915 |
| Fall River/Burney | 10:23:51 | -29.5 | Dark | Up | 45.1 | 117.9 | Up | 10:18:44 - 10:28:57 | 907 |
| Yuma | 10:23:06 | -31.7 | Dark | Down | 53.6 | 115.9 | Up | 10:17:59 - 10:28:12 | 903 |
| Carson City | 10:23:42 | -30.1 | Dark | Down | 47.0 | 117.8 | Up | 10:18:35 - 10:28:48 | 895 |
| Portola | 10:23:45 | -30.0 | Dark | Down | 46.3 | 117.7 | Up | 10:18:38 - 10:28:51 | 889 |
| Gimple | 10:23:47 | -29.9 | Dark | Down | 45.9 | 117.6 | Up | 10:18:41 - 10:28:54 | 884 |
| Gardnerville | 10:23:40 | -30.3 | Dark | Down | 47.1 | 117.6 | Up | 10:18:34 - 10:28:47 | 884 |
| Bishop | 10:23:32 | -30.7 | Dark | Down | 48.8 | 117.4 | Up | 10:18:25 - 10:28:38 | 882 |
| Greenville | 10:23:47 | -30.0 | Dark | Down | 45.8 | 117.5 | Up | 10:18:40 - 10:28:53 | 879 |
| Lee Vining | 10:23:35 | -30.6 | Dark | Down | 48.0 | 117.2 | Up | 10:18:29 - 10:28:42 | 867 |
| Quincy | 10:23:46 | -30.1 | Dark | Down | 45.9 | 117.3 | Up | 10:18:39 - 10:28:52 | 867 |
| Calipatria | 10:23:09 | -32.0 | Dark | Down | 52.7 | 115.5 | Up | 10:18:02 - 10:28:15 | 858 |
| Idyllwild | 10:23:13 | -32.3 | Dark | Down | 51.6 | 115.1 | Up | 10:18:07 - 10:28:20 | 802 |
| Wildwood | 10:23:17 | -33.2 | Dark | Down | 50.0 | 113.6 | Up | 10:18:11 - 10:28:24 | 687 |
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 470309, (2024/04/16 10:21UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 26.31 112 Rasalhague 17:34:56.3 +12:33:31 2.1 15.25 124 PPM 134929 18:34:47.5 +10:53:31 6.2 1.71 135 PPM 134989 18:37:17.9 +12:16:03 8.3 0.21 134 PPM 134976 18:36:58.3 +12:23:58 9.3 0.14 134 470309 18:37:26.3 +12:28:27 16.7 134 Positions are for J2000
Event circumstances last updated at 2024/02/12 04:20:20 UT
Marc W. Buie, Southwest Research Institute