Event between (528219) 08KV42 and star GA1480:05255778 with event index number of 2442632
Geocentric closest approach at 2023/08/03 11:28:31 UTC
J2000 position of star is 15:52:01.3 +58:48:44
Equinox of date position of star is 15:52:29.7 +58:44:34
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 107 degrees from the moon.
Moon is 95% illuminated.
Apparent brightness V=22.8
[RECON map]
Object is 24.0 AU from the Sun
and 24.1 AU from the Earth.
Apparent velocity is 23.5
km/sec on the sky relative to the star, or,
4.8 arcsec/hr.
The 1-sigma error in the time of the event is 187 seconds.
The 1-sigma cross-track error in the shadow position is
2538 km.
The sky-plane scale is
17508.5 km/arcsec.
The object has an absolute magnitude Hv=8.7
Diameter=104.7 km assuming a 5% albedo -- 4.8 sec chord
Diameter=42.8 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
Star training set for 528219, (2023/08/03 11:29UT) Object RA Dec mag sep mel Vega 18:37:44.2 +38:48:24 0.0 32.92 76 23Bet Dra 17:30:58.0 +52:17:05 2.8 15.25 92 PPM 035197 15:56:17.2 +58:50:39 6.1 0.50 106 PPM 035181 15:54:05.9 +58:56:10 8.4 0.28 107 PPM 035163 15:51:36.7 +58:36:29 10.5 0.18 107 528219 15:52:29.7 +58:44:34 16.1 107 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
4.8 sigma about the mid-time.
The median site spacing is 42.0 km
RECON observability=0.1 and success probability=0.7%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 11:24:24 | -1.3 | CT | Up | 25.8 | 337.8 | Low | 11:09:24 - 11:39:24 | 5449 |
| Dunrhomin | 11:24:04 | -7.0 | NT | Up | 14.6 | 339.7 | Really Low | 11:09:04 - 11:39:04 | 5034 |
| Nikitin | 11:24:05 | -7.1 | NT | Up | 14.4 | 339.7 | Really Low | 11:09:05 - 11:39:05 | 5025 |
| CU-SBO | 11:24:05 | -7.2 | NT | Up | 14.4 | 339.7 | Really Low | 11:09:05 - 11:39:05 | 5017 |
| Kelowna | 11:24:30 | -9.5 | NT | Up | 27.4 | 331.6 | Low | 11:09:30 - 11:39:30 | 4490 |
| Kamloops | 11:24:32 | -9.3 | NT | Up | 28.4 | 331.0 | Low | 11:09:32 - 11:39:32 | 4483 |
| Penticton | 11:24:28 | -9.7 | NT | Up | 27.2 | 331.7 | Low | 11:09:28 - 11:39:28 | 4465 |
| Peachland | 11:24:29 | -9.7 | NT | Up | 27.4 | 331.5 | Low | 11:09:29 - 11:39:29 | 4465 |
| Summerland | 11:24:29 | -9.7 | NT | Up | 27.2 | 331.6 | Low | 11:09:29 - 11:39:29 | 4462 |
| Anarchist Mountain Observatory | 11:24:28 | -10.0 | NT | Up | 26.6 | 331.9 | Low | 11:09:28 - 11:39:28 | 4447 |
| Oliver | 11:24:28 | -10.0 | NT | Up | 26.8 | 331.7 | Low | 11:09:28 - 11:39:28 | 4445 |
| Okanogan | 11:24:26 | -10.5 | NT | Up | 26.1 | 331.9 | Low | 11:09:26 - 11:39:26 | 4396 |
| Brewster | 11:24:26 | -10.8 | NT | Up | 26.0 | 331.9 | Low | 11:09:26 - 11:39:26 | 4367 |
| Manson/Chelan | 11:24:26 | -11.1 | NT | Up | 25.9 | 331.8 | Low | 11:09:26 - 11:39:26 | 4332 |
| PNWRO | 11:24:23 | -11.8 | NT | Up | 23.8 | 332.7 | Low | 11:09:23 - 11:39:23 | 4306 |
| Wenatchee | 11:24:26 | -11.5 | NT | Up | 25.5 | 331.8 | Low | 11:09:26 - 11:39:26 | 4294 |
| Ellensburg | 11:24:27 | -11.9 | NT | Up | 25.2 | 331.8 | Low | 11:09:27 - 11:39:27 | 4255 |
| Yakima | 11:24:25 | -12.2 | AT | Up | 24.9 | 331.9 | Low | 11:09:25 - 11:39:25 | 4231 |
| Toppenish/White Swan | 11:24:24 | -12.3 | AT | Up | 24.6 | 332.0 | Low | 11:09:24 - 11:39:24 | 4229 |
| George/Scottsdale | 11:24:04 | -15.0 | AT | Up | 10.4 | 337.3 | Really Low | 11:09:04 - 11:39:04 | 4210 |
| Victoria | 11:24:32 | -12.3 | AT | Up | 27.5 | 330.1 | Low | 11:09:32 - 11:39:32 | 4170 |
| The Dalles | 11:24:25 | -13.2 | AT | Up | 24.2 | 331.8 | Low | 11:09:25 - 11:39:25 | 4132 |
| Patrick | 11:24:07 | -15.4 | AT | Up | 12.7 | 336.4 | Really Low | 11:09:07 - 11:39:07 | 4124 |
| Maupin | 11:24:23 | -13.4 | AT | Up | 23.8 | 331.9 | Low | 11:09:23 - 11:39:23 | 4114 |
| Laughlin/Bullhead City | 11:24:06 | -16.0 | AT | Up | 12.7 | 336.1 | Really Low | 11:09:06 - 11:39:06 | 4055 |
| Lake Havasu City | 11:24:06 | -16.2 | AT | Up | 12.0 | 336.3 | Really Low | 11:09:06 - 11:39:06 | 4043 |
| Bend | 11:24:22 | -14.3 | AT | Up | 22.9 | 332.1 | Low | 11:09:22 - 11:39:22 | 4033 |
| Sisters | 11:24:24 | -14.3 | AT | Up | 23.2 | 331.9 | Low | 11:09:24 - 11:39:24 | 4030 |
| Oregon Observatory | 11:24:23 | -14.5 | AT | Up | 22.8 | 332.0 | Low | 11:09:23 - 11:39:23 | 4014 |
| Beatty | 11:24:11 | -16.3 | AT | Up | 15.0 | 335.0 | Really Low | 11:09:11 - 11:39:11 | 3969 |
| Cedarville | 11:24:20 | -15.4 | AT | Up | 20.3 | 333.0 | Low | 11:09:20 - 11:39:20 | 3966 |
| Yuma | 11:24:07 | -17.4 | AT | Up | 10.4 | 336.3 | Really Low | 11:09:07 - 11:39:07 | 3932 |
| Hawthorne | 11:24:14 | -16.5 | AT | Up | 17.1 | 334.1 | Really Low | 11:09:14 - 11:39:14 | 3912 |
| Chiloquin | 11:24:22 | -15.6 | AT | Up | 21.8 | 332.1 | Low | 11:09:22 - 11:39:22 | 3909 |
| Yerington | 11:24:16 | -16.5 | AT | Up | 17.7 | 333.8 | Really Low | 11:09:16 - 11:39:16 | 3898 |
| Klamath Falls | 11:24:21 | -15.8 | AT | Up | 21.4 | 332.2 | Low | 11:09:21 - 11:39:21 | 3894 |
| Reno | 11:24:16 | -16.5 | AT | Up | 18.4 | 333.5 | Really Low | 11:09:16 - 11:39:16 | 3880 |
| Calipatria | 11:24:07 | -17.8 | AT | Up | 11.1 | 335.9 | Really Low | 11:09:07 - 11:39:07 | 3879 |
| Bishop | 11:24:13 | -17.1 | AT | Up | 15.9 | 334.3 | Really Low | 11:09:13 - 11:39:13 | 3867 |
| Carson City | 11:24:16 | -16.7 | AT | Up | 18.1 | 333.5 | Really Low | 11:09:16 - 11:39:16 | 3862 |
| Fall River/Burney | 11:24:19 | -16.4 | AT | Up | 20.3 | 332.6 | Low | 11:09:19 - 11:39:19 | 3852 |
| Gardnerville | 11:24:16 | -16.9 | AT | Up | 17.8 | 333.6 | Really Low | 11:09:16 - 11:39:16 | 3852 |
| Portola | 11:24:17 | -16.7 | AT | Up | 18.8 | 333.2 | Really Low | 11:09:17 - 11:39:17 | 3848 |
| Lee Vining | 11:24:14 | -17.1 | AT | Up | 16.7 | 334.0 | Really Low | 11:09:14 - 11:39:14 | 3845 |
| Gimple | 11:24:17 | -16.7 | AT | Up | 19.3 | 332.9 | Really Low | 11:09:17 - 11:39:17 | 3838 |
| Greenville | 11:24:18 | -16.8 | AT | Up | 19.3 | 332.9 | Really Low | 11:09:18 - 11:39:18 | 3832 |
| Quincy | 11:24:19 | -16.9 | AT | Up | 19.1 | 332.9 | Really Low | 11:09:19 - 11:39:19 | 3821 |
| Idyllwild | 11:24:08 | -18.2 | Dark | Up | 12.1 | 335.4 | Really Low | 11:09:08 - 11:39:08 | 3812 |
| Wildwood | 11:24:11 | -19.3 | Dark | Up | 13.1 | 334.6 | Really Low | 11:09:11 - 11:39:11 | 3680 |
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 528219, (2023/08/03 11:29UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 32.92 76 23Bet Dra 17:30:25.9 +52:18:05 2.8 15.25 92 PPM 035197 15:55:49.4 +58:54:43 6.1 0.50 106 PPM 035181 15:53:38.1 +59:00:17 8.4 0.28 107 PPM 035163 15:51:08.0 +58:40:41 10.5 0.18 107 528219 15:52:01.3 +58:48:44 16.1 107 Positions are for J2000
Event circumstances last updated at 2023/07/29 02:38:20 UT
Marc W. Buie, Southwest Research Institute