Event between (469506) 03FF128 and star GA0660:15453672 with event index number of 1759700
Geocentric closest approach at 2027/09/27 02:48:09 UTC
J2000 position of star is 17:36:12.8 -23:08:55
Equinox of date position of star is 17:37:40.9 -23:09:44
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 122 degrees from the moon.
Moon is 12% illuminated.
Apparent brightness V=22.0
[RECON map]
Object is 31.0 AU from the Sun
and 31.2 AU from the Earth.
Apparent velocity is 10.9
km/sec on the sky relative to the star, or,
1.7 arcsec/hr.
The 1-sigma error in the time of the event is 580 seconds.
The 1-sigma cross-track error in the shadow position is
1289 km.
The sky-plane scale is
22604.6 km/arcsec.
The object has an absolute magnitude Hv=6.9
Diameter=254.7 km assuming a 5% albedo -- 23.2 sec chord
Diameter=104.0 km assuming a 30% albedo -- 9.5 sec chord
Dynamical classification is 3:2E
Star training set for 469506, (2027/09/27 02:48UT) Object RA Dec mag sep mel Antares 16:31:06.8 -26:29:28 0.9 15.50 107 35Eta Oph 17:11:58.3 -15:45:26 2.6 9.60 115 PPM 267109 17:40:25.0 -21:55:35 6.4 1.37 122 PPM 267094 17:39:44.5 -22:35:46 8.4 0.71 122 PPM 267048 17:37:22.8 -22:57:08 9.8 0.24 122 469506 17:37:53.9 -23:09:51 16.7 122 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
1.6 sigma about the mid-time.
The median site spacing is 25.7 km
RECON observability=0.2 and success probability=0.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 02:50:01 | -10.2 | NT | Down | 13.3 | 202.4 | Really Low | 02:35:01 - 03:05:01 | 5879 |
| Kelowna | 02:50:10 | -10.9 | NT | Down | 13.8 | 203.3 | Really Low | 02:35:10 - 03:05:10 | 5846 |
| Peachland | 02:50:09 | -10.8 | NT | Down | 13.9 | 203.0 | Really Low | 02:35:09 - 03:05:09 | 5845 |
| Summerland | 02:50:10 | -10.9 | NT | Down | 14.1 | 203.1 | Really Low | 02:35:10 - 03:05:10 | 5839 |
| Penticton | 02:50:10 | -11.0 | NT | Down | 14.1 | 203.3 | Really Low | 02:35:10 - 03:05:10 | 5836 |
| Victoria | 02:49:23 | -8.5 | NT | Down | 16.0 | 199.6 | Really Low | 02:34:23 - 03:04:23 | 5833 |
| Oliver | 02:50:12 | -11.0 | NT | Down | 14.4 | 203.3 | Really Low | 02:35:12 - 03:05:12 | 5824 |
| Anarchist Mountain Observatory | 02:50:13 | -11.2 | NT | Down | 14.5 | 203.5 | Really Low | 02:35:13 - 03:05:13 | 5817 |
| Okanogan | 02:50:15 | -11.2 | NT | Down | 15.2 | 203.4 | Really Low | 02:35:15 - 03:05:15 | 5796 |
| Brewster | 02:50:14 | -11.1 | NT | Down | 15.5 | 203.2 | Really Low | 02:35:14 - 03:05:14 | 5787 |
| Manson/Chelan | 02:50:12 | -10.9 | NT | Down | 15.8 | 202.9 | Really Low | 02:35:12 - 03:05:12 | 5783 |
| Sleaford | 02:51:19 | -18.6 | Dark | Down | 7.6 | 215.3 | Really Low | 02:36:19 - 03:06:19 | 5776 |
| Wenatchee | 02:50:13 | -10.8 | NT | Down | 16.2 | 202.8 | Really Low | 02:35:13 - 03:05:13 | 5766 |
| Ellensburg | 02:50:14 | -10.8 | NT | Down | 16.7 | 202.6 | Really Low | 02:35:14 - 03:05:14 | 5752 |
| Yakima | 02:50:14 | -10.8 | NT | Down | 17.1 | 202.7 | Really Low | 02:35:14 - 03:05:14 | 5737 |
| Toppenish/White Swan | 02:50:15 | -11.0 | NT | Down | 17.2 | 202.8 | Really Low | 02:35:15 - 03:05:15 | 5727 |
| The Dalles | 02:50:12 | -10.5 | NT | Down | 18.1 | 202.2 | Really Low | 02:35:12 - 03:05:12 | 5701 |
| PNWRO | 02:50:27 | -12.1 | AT | Down | 17.1 | 204.3 | Really Low | 02:35:27 - 03:05:27 | 5700 |
| Maupin | 02:50:15 | -10.7 | NT | Down | 18.5 | 202.4 | Really Low | 02:35:15 - 03:05:15 | 5684 |
| Sisters | 02:50:14 | -10.5 | NT | Down | 19.5 | 202.0 | Really Low | 02:35:14 - 03:05:14 | 5651 |
| Bend | 02:50:18 | -10.7 | NT | Down | 19.6 | 202.3 | Really Low | 02:35:18 - 03:05:18 | 5639 |
| Oregon Observatory | 02:50:16 | -10.6 | NT | Down | 19.8 | 202.2 | Really Low | 02:35:16 - 03:05:16 | 5632 |
| Chiloquin | 02:50:17 | -10.5 | NT | Down | 21.1 | 202.0 | Low | 02:35:17 - 03:05:17 | 5576 |
| Klamath Falls | 02:50:19 | -10.6 | NT | Down | 21.4 | 202.1 | Low | 02:35:19 - 03:05:19 | 5560 |
| Cedarville | 02:50:33 | -11.9 | NT | Down | 21.6 | 203.8 | Low | 02:35:33 - 03:05:33 | 5514 |
| Fall River/Burney | 02:50:25 | -11.1 | NT | Down | 22.4 | 202.7 | Low | 02:35:25 - 03:05:25 | 5500 |
| Greenville | 02:50:32 | -11.6 | NT | Down | 23.1 | 203.3 | Low | 02:35:32 - 03:05:32 | 5452 |
| Gimple | 02:50:32 | -11.6 | NT | Down | 23.1 | 203.4 | Low | 02:35:32 - 03:05:32 | 5451 |
| Quincy | 02:50:32 | -11.6 | NT | Down | 23.3 | 203.3 | Low | 02:35:32 - 03:05:32 | 5442 |
| Portola | 02:50:37 | -12.0 | NT | Down | 23.2 | 203.8 | Low | 02:35:37 - 03:05:37 | 5432 |
| Reno | 02:50:42 | -12.5 | AT | Down | 23.3 | 204.5 | Low | 02:35:42 - 03:05:42 | 5412 |
| Carson City | 02:50:42 | -12.6 | AT | Down | 23.6 | 204.6 | Low | 02:35:42 - 03:05:42 | 5394 |
| Gardnerville | 02:50:43 | -12.7 | AT | Down | 23.8 | 204.7 | Low | 02:35:43 - 03:05:43 | 5380 |
| Yerington | 02:50:48 | -13.1 | AT | Down | 23.5 | 205.2 | Low | 02:35:48 - 03:05:48 | 5377 |
| Hawthorne | 02:50:54 | -13.6 | AT | Down | 23.8 | 205.9 | Low | 02:35:54 - 03:05:54 | 5348 |
| Lee Vining | 02:50:52 | -13.3 | AT | Down | 24.5 | 205.5 | Low | 02:35:52 - 03:05:52 | 5323 |
| Bishop | 02:51:00 | -14.0 | AT | Down | 24.7 | 206.3 | Low | 02:36:00 - 03:06:00 | 5282 |
| Dunrhomin | 02:52:22 | -23.6 | Dark | Down | 16.7 | 217.7 | Really Low | 02:37:22 - 03:07:22 | 5255 |
| Nikitin | 02:52:23 | -23.6 | Dark | Down | 16.8 | 217.7 | Really Low | 02:37:23 - 03:07:23 | 5246 |
| CU-SBO | 02:52:22 | -23.6 | Dark | Down | 16.9 | 217.6 | Really Low | 02:37:22 - 03:07:22 | 5244 |
| Beatty | 02:51:13 | -15.4 | AT | Down | 24.5 | 208.0 | Low | 02:36:13 - 03:06:13 | 5238 |
| Patrick | 02:51:40 | -18.1 | Dark | Down | 24.6 | 211.1 | Low | 02:36:40 - 03:06:40 | 5117 |
| Laughlin/Bullhead City | 02:51:35 | -17.6 | AT | Down | 25.1 | 210.5 | Low | 02:36:35 - 03:06:35 | 5111 |
| Wildwood | 02:51:09 | -14.4 | AT | Down | 27.7 | 206.9 | Low | 02:36:09 - 03:06:09 | 5094 |
| Lake Havasu City | 02:51:39 | -17.9 | AT | Down | 25.6 | 210.9 | Low | 02:36:39 - 03:06:39 | 5067 |
| Idyllwild | 02:51:24 | -16.0 | AT | Down | 27.3 | 208.8 | Low | 02:36:24 - 03:06:24 | 5052 |
| Calipatria | 02:51:36 | -17.2 | AT | Down | 27.3 | 210.1 | Low | 02:36:36 - 03:06:36 | 4998 |
| George/Scottsdale | 02:52:01 | -20.1 | Dark | Down | 25.1 | 213.4 | Low | 02:37:01 - 03:07:01 | 4985 |
| Yuma | 02:51:42 | -18.0 | AT | Down | 27.3 | 211.1 | Low | 02:36:42 - 03:06:42 | 4959 |
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 469506, (2027/09/27 02:48UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 15.50 107 35Eta Oph 17:10:22.7 -15:43:29 2.6 9.60 115 PPM 267109 17:38:44.8 -21:54:46 6.4 1.37 122 PPM 267094 17:38:03.8 -22:34:55 8.4 0.71 122 PPM 267048 17:35:41.9 -22:56:11 9.8 0.24 122 469506 17:36:12.8 -23:08:55 16.7 122 Positions are for J2000
Event circumstances last updated at 2024/03/06 04:32:38 UT
Marc W. Buie, Southwest Research Institute