Event between (576162) 12GT41 and star GA0820:20968215 with event index number of 2523286
Geocentric closest approach at 2027/06/29 07:01:57 UTC
J2000 position of star is 19:50:15.5 -07:37:17
Equinox of date position of star is 19:51:29.5 -07:33:44
Stellar brightness G=15.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 93 degrees from the moon.
Moon is 29% illuminated.
TNO apparent brightness V=22.2
[RECON map]
TNO is 18.4 AU from the Sun
and 17.5 AU from the Earth.
The TNO is moving 20.6
km/sec on the sky relative to the star, or,
5.8 arcsec/hr.
The 1-sigma error in the time of the event is 201 seconds.
The 1-sigma cross-track error in the shadow position is
1535 km.
The sky-plane scale is
12670.1 km/arcsec.
The TNO has an absolute magnitude Hv=9.5
Diameter=73.8 km assuming a 5% albedo -- 3.6 sec chord
Diameter=30.1 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CENTAURR
Star training set for 576162, (2027/06/29 07:04UT) Object RA Dec mag sep mel Fomalhaut 22:59:09.7 -29:28:33 1.2 49.09 63 Tarazed 19:47:34.0 +10:40:56 2.7 18.26 89 56 Aql 19:55:37.7 -08:30:03 5.4 1.35 92 PPM 203390 19:54:14.5 -07:37:29 8.1 0.62 92 PPM 203321 19:50:54.3 -07:29:01 9.3 0.22 93 576162 19:51:44.3 -07:33:01 15.8 93 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
4.5 sigma about the mid-time.
The median site spacing is 19.5 km
RECON observability=1.0 and success probability=16.2%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 07:02:44 | -14.8 | AT | Down | 24.3 | 141.3 | Low | 06:47:44 - 07:17:44 | 2126 |
| Kelowna | 07:02:44 | -15.8 | AT | Down | 25.3 | 142.0 | Low | 06:47:44 - 07:17:44 | 2079 |
| Peachland | 07:02:45 | -15.8 | AT | Down | 25.3 | 141.6 | Low | 06:47:45 - 07:17:45 | 2077 |
| Summerland | 07:02:45 | -16.0 | AT | Down | 25.4 | 141.7 | Low | 06:47:45 - 07:17:45 | 2069 |
| Penticton | 07:02:45 | -16.1 | AT | Down | 25.5 | 141.8 | Low | 06:47:45 - 07:17:45 | 2064 |
| Victoria | 07:03:00 | -16.4 | AT | Down | 24.7 | 137.7 | Low | 06:48:00 - 07:18:00 | 2048 |
| Oliver | 07:02:47 | -16.4 | AT | Down | 25.8 | 141.7 | Low | 06:47:47 - 07:17:47 | 2047 |
| Sleaford | 07:01:59 | -14.7 | AT | Up | 27.7 | 156.5 | Low | 06:46:59 - 07:16:59 | 2038 |
| Anarchist Mountain Observatory | 07:02:46 | -16.6 | AT | Down | 26.0 | 141.8 | Low | 06:47:46 - 07:17:46 | 2037 |
| Okanogan | 07:02:49 | -17.2 | AT | Down | 26.4 | 141.4 | Low | 06:47:49 - 07:17:49 | 2006 |
| Brewster | 07:02:50 | -17.4 | AT | Down | 26.5 | 141.1 | Low | 06:47:50 - 07:17:50 | 1994 |
| Manson/Chelan | 07:02:52 | -17.6 | AT | Down | 26.6 | 140.7 | Low | 06:47:52 - 07:17:52 | 1987 |
| Wenatchee | 07:02:54 | -18.0 | AT | Down | 26.8 | 140.4 | Low | 06:47:54 - 07:17:54 | 1964 |
| Ellensburg | 07:02:56 | -18.4 | Dark | Down | 27.1 | 140.0 | Low | 06:47:56 - 07:17:56 | 1945 |
| Yakima | 07:02:57 | -18.7 | Dark | Down | 27.4 | 139.9 | Low | 06:47:57 - 07:17:57 | 1923 |
| Toppenish/White Swan | 07:02:57 | -19.0 | Dark | Down | 27.6 | 140.0 | Low | 06:47:57 - 07:17:57 | 1910 |
| PNWRO | 07:02:54 | -19.6 | Dark | Down | 28.6 | 141.4 | Low | 06:47:54 - 07:17:54 | 1875 |
| The Dalles | 07:03:02 | -19.6 | Dark | Down | 27.9 | 139.0 | Low | 06:48:02 - 07:18:02 | 1875 |
| Maupin | 07:03:03 | -20.0 | Dark | Down | 28.2 | 138.9 | Low | 06:48:03 - 07:18:03 | 1851 |
| Sisters | 07:03:07 | -20.8 | Dark | Down | 28.7 | 138.1 | Low | 06:48:07 - 07:18:07 | 1806 |
| Bend | 07:03:07 | -21.1 | Dark | Down | 29.0 | 138.3 | Low | 06:48:07 - 07:18:07 | 1790 |
| Oregon Observatory | 07:03:08 | -21.2 | Dark | Down | 29.0 | 138.1 | Low | 06:48:08 - 07:18:08 | 1782 |
| Chiloquin | 07:03:13 | -22.4 | Dark | Down | 29.8 | 137.2 | Low | 06:48:13 - 07:18:13 | 1708 |
| Klamath Falls | 07:03:14 | -22.7 | Dark | Down | 30.1 | 137.2 | Up | 06:48:14 - 07:18:14 | 1687 |
| Cedarville | 07:03:10 | -23.7 | Dark | Down | 31.4 | 138.5 | Up | 06:48:10 - 07:18:10 | 1628 |
| Fall River/Burney | 07:03:16 | -23.9 | Dark | Down | 31.2 | 137.1 | Up | 06:48:16 - 07:18:16 | 1610 |
| Greenville | 07:03:17 | -24.9 | Dark | Down | 32.1 | 137.2 | Up | 06:48:17 - 07:18:17 | 1548 |
| Gimple | 07:03:17 | -24.9 | Dark | Down | 32.1 | 137.2 | Up | 06:48:17 - 07:18:17 | 1547 |
| Quincy | 07:03:18 | -25.1 | Dark | Down | 32.2 | 137.1 | Up | 06:48:18 - 07:18:18 | 1535 |
| Portola | 07:03:16 | -25.3 | Dark | Down | 32.6 | 137.5 | Up | 06:48:16 - 07:18:16 | 1522 |
| Reno | 07:03:15 | -25.7 | Dark | Down | 33.1 | 138.0 | Up | 06:48:15 - 07:18:15 | 1498 |
| Carson City | 07:03:16 | -26.1 | Dark | Down | 33.4 | 137.9 | Up | 06:48:16 - 07:18:16 | 1474 |
| Gardnerville | 07:03:16 | -26.3 | Dark | Down | 33.6 | 137.8 | Up | 06:48:16 - 07:18:16 | 1458 |
| Yerington | 07:03:15 | -26.4 | Dark | Down | 33.8 | 138.4 | Up | 06:48:15 - 07:18:15 | 1454 |
| Hawthorne | 07:03:14 | -26.9 | Dark | Down | 34.5 | 138.8 | Up | 06:48:14 - 07:18:14 | 1417 |
| Lee Vining | 07:03:17 | -27.4 | Dark | Down | 34.6 | 138.0 | Up | 06:48:17 - 07:18:17 | 1385 |
| Dunrhomin | 07:02:21 | -26.5 | Dark | Down | 38.7 | 154.3 | Up | 06:47:21 - 07:17:21 | 1348 |
| Bishop | 07:03:16 | -28.1 | Dark | Down | 35.5 | 138.5 | Up | 06:48:16 - 07:18:16 | 1336 |
| CU-SBO | 07:02:22 | -26.8 | Dark | Down | 38.9 | 154.1 | Up | 06:47:22 - 07:17:22 | 1333 |
| Beatty | 07:03:11 | -28.8 | Dark | Down | 36.7 | 140.0 | Up | 06:48:11 - 07:18:11 | 1284 |
| Patrick | 07:03:05 | -30.7 | Dark | Down | 39.3 | 142.3 | Up | 06:48:05 - 07:18:05 | 1140 |
| Laughlin/Bullhead City | 07:03:08 | -30.9 | Dark | Down | 39.1 | 141.4 | Up | 06:48:08 - 07:18:08 | 1131 |
| Wildwood | 07:03:25 | -31.2 | Dark | Down | 37.8 | 136.7 | Up | 06:48:25 - 07:18:25 | 1105 |
| Lake Havasu City | 07:03:08 | -31.6 | Dark | Down | 39.8 | 141.4 | Up | 06:48:08 - 07:18:08 | 1079 |
| Idyllwild | 07:03:19 | -31.9 | Dark | Down | 39.1 | 138.4 | Up | 06:48:19 - 07:18:19 | 1056 |
| Calipatria | 07:03:16 | -32.7 | Dark | Down | 40.2 | 139.4 | Up | 06:48:16 - 07:18:16 | 993 |
| George/Scottsdale | 07:03:01 | -32.7 | Dark | Down | 41.6 | 143.7 | Up | 06:48:01 - 07:18:01 | 986 |
| Yuma | 07:03:14 | -33.3 | Dark | Down | 41.0 | 140.1 | Up | 06:48:14 - 07:18:14 | 948 |
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 576162, (2027/06/29 07:04UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 49.09 63 Tarazed 19:46:15.6 +10:36:48 2.7 18.26 89 56 Aql 19:54:08.3 -08:34:28 5.4 1.35 92 PPM 203390 19:52:45.6 -07:41:51 8.1 0.62 92 PPM 203321 19:49:25.5 -07:33:16 9.3 0.22 93 576162 19:50:15.5 -07:37:17 15.8 93 Positions are for J2000
Event circumstances last updated at 2022/11/21 03:02:07 UT
Marc W. Buie, Southwest Research Institute