Event between (592147) 14OA394 and star GA0840:20029067 with event index number of 2704697
Geocentric closest approach at 2027/09/02 04:20:54 UTC
J2000 position of star is 23:25:13.0 -04:13:54
Equinox of date position of star is 23:26:21.2 -04:06:37
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 170 degrees from the moon.
Moon is 3% illuminated.
TNO apparent brightness V=22.7
[RECON map]
TNO is 39.0 AU from the Sun
and 38.1 AU from the Earth.
The TNO is moving 23.9
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 287 seconds.
The 1-sigma cross-track error in the shadow position is
5164 km.
The sky-plane scale is
27599.5 km/arcsec.
The TNO has an absolute magnitude Hv=6.8
Diameter=258.2 km assuming a 5% albedo -- 10.8 sec chord
Diameter=105.4 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is CLASSICAL
Star training set for 592147, (2027/09/02 04:21UT) Object RA Dec mag sep mel Fomalhaut 22:59:10.3 -29:28:29 1.2 26.22 145 Markab 23:06:08.5 +15:21:17 2.5 20.09 163 PPM 207611 23:30:57.8 -04:22:53 6.3 1.12 170 PPM 207462 23:22:47.1 -04:31:16 7.4 1.06 169 PPM 207511 23:25:48.4 -04:14:38 9.4 0.27 170 592147 23:26:38.4 -04:04:46 16.8 170 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
3.1 sigma about the mid-time.
The median site spacing is 27.7 km
RECON observability=0.2 and success probability=0.6%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 04:21:57 | -14.7 | AT | Down | 12.1 | 112.3 | Really Low | 04:06:57 - 04:36:57 | 11581 |
| Kelowna | 04:22:00 | -15.6 | AT | Down | 12.9 | 112.9 | Really Low | 04:07:00 - 04:37:00 | 11547 |
| Peachland | 04:22:01 | -15.5 | AT | Down | 12.8 | 112.7 | Really Low | 04:07:01 - 04:37:01 | 11546 |
| Summerland | 04:22:01 | -15.7 | AT | Down | 12.9 | 112.7 | Really Low | 04:07:01 - 04:37:01 | 11540 |
| Penticton | 04:22:01 | -15.8 | AT | Down | 13.0 | 112.8 | Really Low | 04:07:01 - 04:37:01 | 11537 |
| Victoria | 04:22:04 | -14.2 | AT | Down | 11.0 | 109.5 | Really Low | 04:07:04 - 04:37:04 | 11527 |
| Oliver | 04:22:03 | -16.0 | AT | Down | 13.1 | 112.7 | Really Low | 04:07:03 - 04:37:03 | 11524 |
| Anarchist Mountain Observatory | 04:22:03 | -16.2 | AT | Down | 13.3 | 112.8 | Really Low | 04:07:03 - 04:37:03 | 11517 |
| Tonasket | 04:22:04 | -16.3 | AT | Down | 13.4 | 112.7 | Really Low | 04:07:04 - 04:37:04 | 11506 |
| Okanogan | 04:22:04 | -16.4 | AT | Down | 13.4 | 112.5 | Really Low | 04:07:04 - 04:37:04 | 11494 |
| Brewster | 04:22:04 | -16.4 | AT | Down | 13.4 | 112.3 | Really Low | 04:07:04 - 04:37:04 | 11486 |
| Sleaford | 04:21:32 | -20.7 | Dark | Down | 19.2 | 125.1 | Really Low | 04:06:32 - 04:36:32 | 11485 |
| Manson/Chelan | 04:22:04 | -16.3 | AT | Down | 13.3 | 112.0 | Really Low | 04:07:04 - 04:37:04 | 11481 |
| Wenatchee | 04:22:04 | -16.5 | AT | Down | 13.3 | 111.7 | Really Low | 04:07:04 - 04:37:04 | 11465 |
| Ellensburg | 04:22:04 | -16.6 | AT | Down | 13.4 | 111.5 | Really Low | 04:07:04 - 04:37:04 | 11451 |
| Yakima | 04:22:04 | -16.8 | AT | Down | 13.5 | 111.3 | Really Low | 04:07:04 - 04:37:04 | 11435 |
| Toppenish/White Swan | 04:22:04 | -17.0 | AT | Down | 13.7 | 111.4 | Really Low | 04:07:04 - 04:37:04 | 11426 |
| Goldendale | 04:22:04 | -17.1 | AT | Down | 13.6 | 111.0 | Really Low | 04:07:04 - 04:37:04 | 11408 |
| The Dalles | 04:22:04 | -17.0 | AT | Down | 13.4 | 110.6 | Really Low | 04:07:04 - 04:37:04 | 11402 |
| PNWRO | 04:22:04 | -18.1 | Dark | Down | 14.8 | 112.5 | Really Low | 04:07:04 - 04:37:04 | 11399 |
| Maupin | 04:22:04 | -17.2 | AT | Down | 13.7 | 110.6 | Really Low | 04:07:04 - 04:37:04 | 11385 |
| Sisters | 04:22:04 | -17.4 | AT | Down | 13.6 | 110.0 | Really Low | 04:07:04 - 04:37:04 | 11354 |
| Bend | 04:22:04 | -17.7 | AT | Down | 13.9 | 110.2 | Really Low | 04:07:04 - 04:37:04 | 11343 |
| Oregon Observatory | 04:22:04 | -17.7 | AT | Down | 13.9 | 110.1 | Really Low | 04:07:04 - 04:37:04 | 11337 |
| North Lake | 04:22:29 | -18.4 | Dark | Down | 14.5 | 110.4 | Really Low | 04:07:29 - 04:37:29 | 11291 |
| Chiloquin | 04:22:32 | -18.2 | Dark | Down | 14.1 | 109.5 | Really Low | 04:07:32 - 04:37:32 | 11266 |
| Klamath Falls | 04:22:34 | -18.4 | Dark | Down | 14.3 | 109.5 | Really Low | 04:07:34 - 04:37:34 | 11249 |
| Lakeview | 04:22:32 | -19.3 | Dark | Down | 15.3 | 110.5 | Really Low | 04:07:32 - 04:37:32 | 11237 |
| Cedarville | 04:22:34 | -19.8 | Dark | Down | 15.6 | 110.5 | Really Low | 04:07:34 - 04:37:34 | 11203 |
| Fall River/Burney | 04:22:37 | -19.2 | Dark | Down | 15.0 | 109.5 | Really Low | 04:07:37 - 04:37:37 | 11188 |
| Susanville | 04:22:38 | -20.0 | Dark | Down | 15.7 | 109.9 | Really Low | 04:07:38 - 04:37:38 | 11151 |
| Greenville | 04:22:40 | -20.0 | Dark | Down | 15.6 | 109.6 | Really Low | 04:07:40 - 04:37:40 | 11139 |
| Gimple | 04:22:40 | -20.0 | Dark | Down | 15.6 | 109.7 | Really Low | 04:07:40 - 04:37:40 | 11138 |
| Quincy | 04:22:41 | -20.1 | Dark | Down | 15.7 | 109.6 | Really Low | 04:07:41 - 04:37:41 | 11128 |
| Portola | 04:22:40 | -20.5 | Dark | Down | 16.0 | 109.9 | Really Low | 04:07:40 - 04:37:40 | 11118 |
| Reno | 04:22:41 | -21.0 | Dark | Down | 16.6 | 110.3 | Really Low | 04:07:41 - 04:37:41 | 11098 |
| Carson City | 04:22:42 | -21.2 | Dark | Down | 16.8 | 110.2 | Really Low | 04:07:42 - 04:37:42 | 11079 |
| Gardnerville | 04:22:43 | -21.4 | Dark | Down | 16.9 | 110.1 | Really Low | 04:07:43 - 04:37:43 | 11066 |
| Yerington | 04:22:42 | -21.8 | Dark | Down | 17.3 | 110.6 | Really Low | 04:07:42 - 04:37:42 | 11063 |
| Hawthorne | 04:22:43 | -22.4 | Dark | Down | 17.8 | 110.8 | Really Low | 04:07:43 - 04:37:43 | 11033 |
| Lee Vining | 04:22:45 | -22.3 | Dark | Down | 17.7 | 110.3 | Really Low | 04:07:45 - 04:37:45 | 11007 |
| Tonopah | 04:22:43 | -23.5 | Dark | Down | 19.0 | 111.7 | Really Low | 04:07:43 - 04:37:43 | 10993 |
| Bishop | 04:22:46 | -23.1 | Dark | Down | 18.4 | 110.6 | Really Low | 04:07:46 - 04:37:46 | 10966 |
| Dunrhomin | 04:22:04 | -29.5 | Dark | Down | 26.3 | 121.8 | Low | 04:07:04 - 04:37:04 | 10953 |
| Beatty | 04:22:46 | -24.5 | Dark | Down | 19.8 | 111.6 | Really Low | 04:07:46 - 04:37:46 | 10922 |
| Indian Springs | 04:22:44 | -25.4 | Dark | Down | 20.7 | 112.3 | Low | 04:07:44 - 04:37:44 | 10891 |
| Henderson | 04:22:45 | -26.1 | Dark | Down | 21.5 | 112.6 | Low | 04:07:45 - 04:37:45 | 10851 |
| Patrick | 04:22:45 | -27.2 | Dark | Down | 22.5 | 113.2 | Low | 04:07:45 - 04:37:45 | 10800 |
| Laughlin/Bullhead City | 04:22:47 | -26.9 | Dark | Down | 22.1 | 112.6 | Low | 04:07:47 - 04:37:47 | 10793 |
| Kingman/Dolan Springs | 04:22:46 | -27.2 | Dark | Down | 22.5 | 112.9 | Low | 04:07:46 - 04:37:46 | 10789 |
| Mohave Valley | 04:22:50 | -27.1 | Dark | Down | 22.2 | 112.5 | Low | 04:07:50 - 04:37:50 | 10776 |
| Wildwood | 04:22:58 | -24.7 | Dark | Down | 19.4 | 109.5 | Really Low | 04:07:58 - 04:37:58 | 10773 |
| Lake Havasu City | 04:22:50 | -27.5 | Dark | Down | 22.6 | 112.5 | Low | 04:07:50 - 04:37:50 | 10749 |
| Idyllwild | 04:22:57 | -26.2 | Dark | Down | 21.0 | 110.6 | Low | 04:07:57 - 04:37:57 | 10731 |
| Parker | 04:22:51 | -27.7 | Dark | Down | 22.7 | 112.4 | Low | 04:07:51 - 04:37:51 | 10726 |
| Calipatria | 04:22:56 | -27.4 | Dark | Down | 22.2 | 111.2 | Low | 04:07:56 - 04:37:56 | 10677 |
| George/Scottsdale | 04:22:48 | -29.6 | Dark | Down | 24.7 | 113.9 | Low | 04:07:48 - 04:37:48 | 10667 |
| Yuma | 04:22:57 | -28.2 | Dark | Down | 23.0 | 111.6 | Low | 04:07:57 - 04:37:57 | 10638 |
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 592147, (2027/09/02 04:21UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 26.22 145 Markab 23:04:45.8 +15:12:18 2.5 20.09 163 PPM 207611 23:29:32.4 -04:32:03 6.3 1.12 170 PPM 207462 23:21:21.5 -04:40:23 7.4 1.06 169 PPM 207511 23:24:22.9 -04:23:46 9.4 0.27 170 592147 23:25:13.0 -04:13:54 16.8 170 Positions are for J2000
Event circumstances last updated at 2022/01/28 00:40:25 UT
Marc W. Buie, Southwest Research Institute