Event between (470309) 07JK43 and star GA1060:08622853 with event index number of 2229872
Geocentric closest approach at 2027/05/15 06:29:50 UTC
J2000 position of star is 19:08:09.5 +17:57:31
Equinox of date position of star is 19:09:14.6 +17:59:55
Stellar brightness G=14.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 115 degrees from the moon.
Moon is 73% illuminated.
Apparent brightness V=21.8
[RECON map]
Object is 27.2 AU from the Sun
and 26.8 AU from the Earth.
Apparent velocity is 20.9
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 74 seconds.
The 1-sigma cross-track error in the shadow position is
1751 km.
The sky-plane scale is
19413.2 km/arcsec.
The object has an absolute magnitude Hv=7.3
Diameter=209.9 km assuming a 5% albedo -- 10.1 sec chord
Diameter=85.7 km assuming a 30% albedo -- 4.1 sec chord
Dynamical classification is CENTAURS
Star training set for 470309, (2027/05/15 06:30UT) Object RA Dec mag sep mel Vega 18:37:51.9 +38:48:36 0.0 21.91 104 Tarazed 19:47:33.6 +10:40:54 2.7 11.79 125 PPM 135832 19:09:11.0 +16:53:47 6.4 1.11 115 PPM 135820 19:08:45.6 +18:36:26 7.4 0.62 115 PPM 135831 19:09:09.5 +17:47:00 8.8 0.23 115 470309 19:09:22.3 +18:00:13 14.9 115 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 37.5 km
RECON observability=1.0 and success probability=10.3%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 06:34:11 | -18.9 | Dark | Up | 31.4 | 101.3 | Up | 06:27:31 - 06:40:51 | -2474 |
| Kamloops | 06:34:29 | -18.1 | Dark | Up | 22.6 | 88.9 | Low | 06:27:49 - 06:41:09 | -2745 |
| Kelowna | 06:34:29 | -19.1 | Dark | Up | 23.2 | 89.3 | Low | 06:27:49 - 06:41:09 | -2834 |
| Peachland | 06:34:29 | -19.1 | Dark | Up | 23.0 | 89.0 | Low | 06:27:49 - 06:41:09 | -2847 |
| Summerland | 06:34:29 | -19.3 | Dark | Up | 23.0 | 89.0 | Low | 06:27:49 - 06:41:09 | -2863 |
| Penticton | 06:34:29 | -19.4 | Dark | Up | 23.1 | 89.0 | Low | 06:27:49 - 06:41:09 | -2870 |
| Oliver | 06:34:28 | -19.7 | Dark | Up | 23.1 | 88.9 | Low | 06:27:48 - 06:41:08 | -2909 |
| Anarchist Mountain Observatory | 06:34:29 | -19.9 | Dark | Up | 23.2 | 89.0 | Low | 06:27:49 - 06:41:09 | -2928 |
| Victoria | 06:34:33 | -19.4 | Dark | Up | 20.5 | 85.8 | Low | 06:27:53 - 06:41:13 | -2981 |
| Okanogan | 06:34:28 | -20.5 | Dark | Up | 23.0 | 88.5 | Low | 06:27:48 - 06:41:08 | -2999 |
| Brewster | 06:34:28 | -20.7 | Dark | Up | 22.9 | 88.3 | Low | 06:27:48 - 06:41:08 | -3029 |
| Manson/Chelan | 06:34:28 | -20.8 | Dark | Up | 22.6 | 87.9 | Low | 06:27:48 - 06:41:08 | -3053 |
| Wenatchee | 06:34:28 | -21.2 | Dark | Up | 22.5 | 87.6 | Low | 06:27:48 - 06:41:08 | -3106 |
| Ellensburg | 06:34:28 | -21.5 | Dark | Up | 22.3 | 87.3 | Low | 06:27:48 - 06:41:08 | -3151 |
| Yakima | 06:34:28 | -21.9 | Dark | Up | 22.3 | 87.1 | Low | 06:27:48 - 06:41:08 | -3196 |
| Toppenish/White Swan | 06:34:27 | -22.1 | Dark | Up | 22.4 | 87.1 | Low | 06:27:47 - 06:41:07 | -3220 |
| PNWRO | 06:34:25 | -22.8 | Dark | Up | 23.4 | 88.0 | Low | 06:27:45 - 06:41:05 | -3257 |
| The Dalles | 06:34:29 | -22.6 | Dark | Up | 21.8 | 86.2 | Low | 06:27:49 - 06:41:09 | -3305 |
| Maupin | 06:34:27 | -23.1 | Dark | Up | 21.9 | 86.1 | Low | 06:27:47 - 06:41:07 | -3351 |
| Sisters | 06:34:27 | -23.7 | Dark | Up | 21.5 | 85.4 | Low | 06:27:47 - 06:41:07 | -3447 |
| Bend | 06:34:29 | -24.0 | Dark | Up | 21.6 | 85.5 | Low | 06:27:49 - 06:41:09 | -3473 |
| Oregon Observatory | 06:34:27 | -24.1 | Dark | Up | 21.5 | 85.4 | Low | 06:27:47 - 06:41:07 | -3492 |
| Chiloquin | 06:34:25 | -25.2 | Dark | Up | 21.1 | 84.6 | Low | 06:27:45 - 06:41:05 | -3634 |
| Klamath Falls | 06:34:25 | -25.6 | Dark | Up | 21.1 | 84.5 | Low | 06:27:45 - 06:41:05 | -3672 |
| Dunrhomin | 06:33:55 | -30.7 | Dark | Up | 33.5 | 94.3 | Up | 06:27:15 - 06:40:35 | -3727 |
| Cedarville | 06:34:22 | -26.7 | Dark | Up | 22.2 | 85.2 | Low | 06:27:42 - 06:41:02 | -3746 |
| Nikitin | 06:33:55 | -30.9 | Dark | Up | 33.5 | 94.2 | Up | 06:27:15 - 06:40:35 | -3747 |
| CU-SBO | 06:33:54 | -30.9 | Dark | Up | 33.4 | 94.1 | Up | 06:27:14 - 06:40:34 | -3755 |
| Fall River/Burney | 06:34:24 | -26.8 | Dark | Up | 21.3 | 84.3 | Low | 06:27:44 - 06:41:04 | -3798 |
| Greenville | 06:34:21 | -27.7 | Dark | Up | 21.5 | 84.2 | Low | 06:27:41 - 06:41:01 | -3896 |
| Gimple | 06:34:21 | -27.8 | Dark | Up | 21.6 | 84.3 | Low | 06:27:41 - 06:41:01 | -3896 |
| Quincy | 06:34:21 | -27.9 | Dark | Up | 21.5 | 84.1 | Low | 06:27:41 - 06:41:01 | -3917 |
| Portola | 06:34:20 | -28.2 | Dark | Up | 21.9 | 84.4 | Low | 06:27:40 - 06:41:00 | -3930 |
| Reno | 06:34:20 | -28.6 | Dark | Up | 22.3 | 84.7 | Low | 06:27:40 - 06:41:00 | -3958 |
| Carson City | 06:34:19 | -29.0 | Dark | Up | 22.3 | 84.5 | Low | 06:27:39 - 06:40:59 | -3996 |
| Yerington | 06:34:16 | -29.3 | Dark | Up | 22.8 | 84.8 | Low | 06:27:36 - 06:40:56 | -4015 |
| Gardnerville | 06:34:17 | -29.2 | Dark | Up | 22.3 | 84.4 | Low | 06:27:37 - 06:40:57 | -4022 |
| Hawthorne | 06:34:16 | -29.9 | Dark | Up | 23.1 | 84.9 | Low | 06:27:36 - 06:40:56 | -4063 |
| Lee Vining | 06:34:15 | -30.3 | Dark | Up | 22.7 | 84.4 | Low | 06:27:35 - 06:40:55 | -4125 |
| Bishop | 06:34:13 | -31.0 | Dark | Up | 23.2 | 84.6 | Low | 06:27:33 - 06:40:53 | -4185 |
| Beatty | 06:34:10 | -31.9 | Dark | Up | 24.5 | 85.3 | Low | 06:27:30 - 06:40:50 | -4226 |
| Patrick | 06:34:02 | -34.1 | Dark | Up | 26.7 | 86.2 | Low | 06:27:22 - 06:40:42 | -4359 |
| Laughlin/Bullhead City | 06:34:04 | -34.1 | Dark | Up | 26.1 | 85.7 | Low | 06:27:24 - 06:40:44 | -4391 |
| Lake Havasu City | 06:34:02 | -34.8 | Dark | Up | 26.2 | 85.5 | Low | 06:27:22 - 06:40:42 | -4458 |
| George/Scottsdale | 06:33:56 | -36.1 | Dark | Up | 28.2 | 86.4 | Low | 06:27:16 - 06:40:36 | -4512 |
| Wildwood | 06:34:08 | -34.0 | Dark | Up | 22.7 | 83.1 | Low | 06:27:28 - 06:40:48 | -4526 |
| Idyllwild | 06:34:03 | -34.9 | Dark | Up | 24.2 | 83.9 | Low | 06:27:23 - 06:40:43 | -4555 |
| Calipatria | 06:34:01 | -35.8 | Dark | Up | 25.1 | 84.2 | Low | 06:27:21 - 06:40:41 | -4608 |
| Yuma | 06:33:58 | -36.5 | Dark | Up | 25.8 | 84.4 | Low | 06:27:18 - 06:40:38 | -4645 |
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, (2027/05/15 06:30UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 21.91 104 Tarazed 19:46:15.6 +10:36:48 2.7 11.79 125 PPM 135832 19:07:57.4 +16:51:05 6.4 1.11 115 PPM 135820 19:07:33.2 +18:33:46 7.4 0.62 115 PPM 135831 19:07:56.5 +17:44:19 8.8 0.23 115 470309 19:08:09.5 +17:57:31 14.9 115 Positions are for J2000
Event circumstances last updated at 2024/06/21 21:28:06 UT
Marc W. Buie, Southwest Research Institute