Event between (459865) 13XZ8 and star GA0760:21575760 with event index number of 2287496
Geocentric closest approach at 2028/07/19 04:48:25 UTC
J2000 position of star is 19:12:55.2 -12:34:59
Equinox of date position of star is 19:14:17.4 -12:32:24
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 148 degrees from the moon.
Moon is 11% illuminated.
Apparent brightness V=20.2
[RECON map]
Object is 12.0 AU from the Sun
and 11.0 AU from the Earth.
Apparent velocity is 21.1
km/sec on the sky relative to the star, or,
9.6 arcsec/hr.
The 1-sigma error in the time of the event is 64 seconds.
The 1-sigma cross-track error in the shadow position is
785 km.
The sky-plane scale is
7958.6 km/arcsec.
The object has an absolute magnitude Hv=9.5
Diameter=70.8 km assuming a 5% albedo -- 3.6 sec chord
Diameter=28.9 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CENTAURR
Star training set for 459865, (2028/07/19 04:48UT) Object RA Dec mag sep mel Antares 16:31:09.8 -26:29:34 0.9 40.73 171 Nunki 18:57:02.0 -26:15:31 2.0 14.33 156 PPM 235666 19:14:51.2 -12:13:56 5.2 0.31 148 PPM 235703 19:16:15.9 -12:44:57 8.5 0.48 148 PPM 235657 19:14:28.9 -12:31:58 9.4 0.01 148 459865 19:14:31.1 -12:31:58 16.8 147 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 32.1 km
RECON observability=0.3 and success probability=0.3%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 04:49:36 | -11.0 | NT | Down | 22.0 | 154.4 | Low | 04:43:47 - 04:55:26 | 3921 |
| Kamloops | 04:50:19 | -6.4 | NT | Down | 18.4 | 140.2 | Really Low | 04:44:29 - 04:56:08 | 3756 |
| Kelowna | 04:50:18 | -7.4 | NT | Down | 19.4 | 140.8 | Really Low | 04:44:29 - 04:56:08 | 3720 |
| Peachland | 04:50:20 | -7.3 | NT | Down | 19.4 | 140.5 | Really Low | 04:44:30 - 04:56:09 | 3712 |
| Summerland | 04:50:20 | -7.5 | NT | Down | 19.5 | 140.6 | Really Low | 04:44:30 - 04:56:09 | 3704 |
| Penticton | 04:50:20 | -7.6 | NT | Down | 19.6 | 140.7 | Really Low | 04:44:30 - 04:56:09 | 3702 |
| Oliver | 04:50:20 | -7.8 | NT | Down | 19.9 | 140.6 | Really Low | 04:44:31 - 04:56:10 | 3682 |
| Anarchist Mountain Observatory | 04:50:21 | -8.1 | NT | Down | 20.1 | 140.8 | Low | 04:44:31 - 04:56:10 | 3675 |
| Okanogan | 04:50:22 | -8.4 | NT | Down | 20.5 | 140.4 | Low | 04:44:33 - 04:56:12 | 3636 |
| Brewster | 04:50:24 | -8.5 | NT | Down | 20.6 | 140.2 | Low | 04:44:34 - 04:56:13 | 3619 |
| Victoria | 04:50:32 | -6.5 | NT | Down | 18.7 | 136.9 | Really Low | 04:44:43 - 04:56:22 | 3611 |
| Manson/Chelan | 04:50:25 | -8.5 | NT | Down | 20.6 | 139.8 | Low | 04:44:36 - 04:56:15 | 3604 |
| Wenatchee | 04:50:27 | -8.7 | NT | Down | 20.9 | 139.5 | Low | 04:44:38 - 04:56:17 | 3575 |
| Ellensburg | 04:50:29 | -8.9 | NT | Down | 21.1 | 139.2 | Low | 04:44:39 - 04:56:18 | 3549 |
| Yakima | 04:50:30 | -9.2 | NT | Down | 21.4 | 139.1 | Low | 04:44:40 - 04:56:19 | 3525 |
| Toppenish/White Swan | 04:50:30 | -9.4 | NT | Down | 21.7 | 139.2 | Low | 04:44:40 - 04:56:19 | 3513 |
| PNWRO | 04:50:26 | -10.4 | NT | Down | 22.6 | 140.5 | Low | 04:44:37 - 04:56:16 | 3504 |
| The Dalles | 04:50:34 | -9.6 | NT | Down | 21.9 | 138.3 | Low | 04:44:44 - 04:56:23 | 3459 |
| Maupin | 04:50:34 | -9.9 | NT | Down | 22.3 | 138.2 | Low | 04:44:45 - 04:56:24 | 3434 |
| Sisters | 04:50:38 | -10.3 | NT | Down | 22.7 | 137.6 | Low | 04:44:49 - 04:56:28 | 3375 |
| Bend | 04:50:38 | -10.6 | NT | Down | 23.0 | 137.7 | Low | 04:44:49 - 04:56:28 | 3362 |
| Oregon Observatory | 04:50:39 | -10.6 | NT | Down | 23.1 | 137.6 | Low | 04:44:49 - 04:56:28 | 3350 |
| Chiloquin | 04:50:43 | -11.3 | NT | Down | 23.8 | 136.8 | Low | 04:44:54 - 04:56:33 | 3260 |
| Klamath Falls | 04:50:44 | -11.6 | NT | Down | 24.1 | 136.8 | Low | 04:44:54 - 04:56:33 | 3238 |
| Dunrhomin | 04:49:52 | -21.2 | Dark | Down | 32.9 | 152.5 | Up | 04:44:03 - 04:55:42 | 3235 |
| Nikitin | 04:49:53 | -21.3 | Dark | Down | 33.0 | 152.4 | Up | 04:44:03 - 04:55:42 | 3223 |
| CU-SBO | 04:49:53 | -21.3 | Dark | Down | 33.1 | 152.3 | Up | 04:44:04 - 04:55:43 | 3218 |
| Cedarville | 04:50:40 | -12.9 | AT | Down | 25.4 | 138.0 | Low | 04:44:51 - 04:56:30 | 3208 |
| Fall River/Burney | 04:50:45 | -12.6 | AT | Down | 25.2 | 136.8 | Low | 04:44:56 - 04:56:35 | 3162 |
| Gimple | 04:50:46 | -13.5 | AT | Down | 26.1 | 137.0 | Low | 04:44:56 - 04:56:35 | 3105 |
| Greenville | 04:50:46 | -13.5 | AT | Down | 26.1 | 136.9 | Low | 04:44:56 - 04:56:35 | 3104 |
| Quincy | 04:50:46 | -13.6 | AT | Down | 26.2 | 136.8 | Low | 04:44:57 - 04:56:36 | 3090 |
| Portola | 04:50:45 | -13.9 | AT | Down | 26.6 | 137.2 | Low | 04:44:56 - 04:56:35 | 3087 |
| Reno | 04:50:44 | -14.5 | AT | Down | 27.1 | 137.7 | Low | 04:44:54 - 04:56:33 | 3074 |
| Carson City | 04:50:44 | -14.7 | AT | Down | 27.4 | 137.6 | Low | 04:44:55 - 04:56:34 | 3049 |
| Yerington | 04:50:43 | -15.2 | AT | Down | 27.8 | 138.1 | Low | 04:44:53 - 04:56:32 | 3041 |
| Gardnerville | 04:50:45 | -14.9 | AT | Down | 27.6 | 137.6 | Low | 04:44:55 - 04:56:34 | 3032 |
| Hawthorne | 04:50:42 | -15.9 | AT | Down | 28.5 | 138.5 | Low | 04:44:52 - 04:56:31 | 3013 |
| Lee Vining | 04:50:45 | -16.0 | AT | Down | 28.6 | 137.8 | Low | 04:44:55 - 04:56:34 | 2968 |
| Bishop | 04:50:44 | -16.8 | AT | Down | 29.5 | 138.3 | Low | 04:44:54 - 04:56:33 | 2931 |
| Beatty | 04:50:39 | -18.0 | Dark | Down | 30.7 | 139.6 | Up | 04:44:49 - 04:56:28 | 2912 |
| Patrick | 04:50:31 | -20.7 | Dark | Down | 33.3 | 141.8 | Up | 04:44:42 - 04:56:21 | 2827 |
| Laughlin/Bullhead City | 04:50:34 | -20.5 | Dark | Down | 33.1 | 141.1 | Up | 04:44:45 - 04:56:24 | 2802 |
| Lake Havasu City | 04:50:35 | -21.1 | Dark | Down | 33.8 | 141.0 | Up | 04:44:45 - 04:56:24 | 2753 |
| George/Scottsdale | 04:50:27 | -23.1 | Dark | Down | 35.6 | 143.2 | Up | 04:44:37 - 04:56:16 | 2713 |
| Wildwood | 04:50:50 | -19.0 | Dark | Down | 31.8 | 136.8 | Up | 04:45:01 - 04:56:40 | 2681 |
| Idyllwild | 04:50:44 | -20.3 | Dark | Down | 33.1 | 138.4 | Up | 04:44:55 - 04:56:34 | 2673 |
| Calipatria | 04:50:41 | -21.4 | Dark | Down | 34.2 | 139.3 | Up | 04:44:52 - 04:56:31 | 2635 |
| Yuma | 04:50:39 | -22.3 | Dark | Down | 35.0 | 140.0 | Up | 04:44:49 - 04:56:28 | 2609 |
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 459865, (2028/07/19 04:48UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 40.73 171 Nunki 18:55:15.9 -26:17:50 2.0 14.33 156 PPM 235666 19:13:15.6 -12:16:58 5.2 0.31 148 PPM 235703 19:14:39.9 -12:48:02 8.5 0.48 148 PPM 235657 19:12:53.0 -12:34:58 9.4 0.01 148 459865 19:12:55.2 -12:34:59 16.8 148 Positions are for J2000
Event circumstances last updated at 2024/06/24 21:33:15 UT
Marc W. Buie, Southwest Research Institute