Event between (612584) 03QX113 and star GA0820:23975624 with event index number of 2816020
Geocentric closest approach at 2027/09/24 05:28:54 UTC
J2000 position of star is 23:00:33.8 -07:05:45
Equinox of date position of star is 23:01:43.5 -06:58:32
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 118 degrees from the moon.
Moon is 41% illuminated.
TNO apparent brightness V=22.9
[RECON map]
TNO is 61.0 AU from the Sun
and 60.0 AU from the Earth.
The TNO is moving 25.0
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 355 seconds.
The 1-sigma cross-track error in the shadow position is
3616 km.
The sky-plane scale is
43513.2 km/arcsec.
The TNO has an absolute magnitude Hv=5.0
Diameter=591.6 km assuming a 5% albedo -- 23.7 sec chord
Diameter=241.5 km assuming a 30% albedo -- 9.7 sec chord
Dynamical classification is SCATNEAR
Star training set for 612584, (2027/09/24 05:29UT) Object RA Dec mag sep mel Fomalhaut 22:59:10.5 -29:28:28 1.2 22.54 126 Markab 23:06:08.6 +15:21:18 2.5 22.33 106 81 Aqr 23:02:50.0 -06:54:42 6.1 0.21 118 PPM 207031 23:02:02.1 -06:55:11 9.4 0.03 118 612584 23:02:00.3 -06:56:48 16.2 117 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
2.5 sigma about the mid-time.
The median site spacing is 16.4 km
RECON observability=1.0 and success probability=5.4%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 05:28:22 | -31.0 | Dark | Down | 29.6 | 156.4 | Low | 05:13:22 - 05:43:22 | -4917 |
| Victoria | 05:28:33 | -31.2 | Dark | Down | 30.7 | 152.5 | Up | 05:13:33 - 05:43:33 | -4943 |
| Peachland | 05:28:21 | -32.0 | Dark | Down | 30.5 | 156.8 | Up | 05:13:21 - 05:43:21 | -4972 |
| Kelowna | 05:28:20 | -32.0 | Dark | Down | 30.5 | 157.2 | Up | 05:13:20 - 05:43:20 | -4974 |
| Summerland | 05:28:22 | -32.1 | Dark | Down | 30.7 | 156.9 | Up | 05:13:22 - 05:43:22 | -4981 |
| Penticton | 05:28:21 | -32.2 | Dark | Down | 30.8 | 157.0 | Up | 05:13:21 - 05:43:21 | -4987 |
| Oliver | 05:28:22 | -32.5 | Dark | Down | 31.1 | 156.9 | Up | 05:13:22 - 05:43:22 | -5003 |
| Anarchist Mountain Observatory | 05:28:23 | -32.7 | Dark | Down | 31.3 | 157.1 | Up | 05:13:23 - 05:43:23 | -5015 |
| Tonasket | 05:28:22 | -32.9 | Dark | Down | 31.6 | 156.9 | Up | 05:13:22 - 05:43:22 | -5029 |
| Okanogan | 05:28:24 | -33.1 | Dark | Down | 31.9 | 156.7 | Up | 05:13:24 - 05:43:24 | -5041 |
| Brewster | 05:28:25 | -33.2 | Dark | Down | 32.1 | 156.4 | Up | 05:13:25 - 05:43:25 | -5049 |
| Manson/Chelan | 05:28:26 | -33.1 | Dark | Down | 32.2 | 155.9 | Up | 05:13:26 - 05:43:26 | -5050 |
| Wenatchee | 05:28:27 | -33.4 | Dark | Down | 32.5 | 155.6 | Up | 05:13:27 - 05:43:27 | -5069 |
| Ellensburg | 05:28:29 | -33.6 | Dark | Down | 32.9 | 155.3 | Up | 05:13:29 - 05:43:29 | -5083 |
| Yakima | 05:28:30 | -33.9 | Dark | Down | 33.2 | 155.1 | Up | 05:13:30 - 05:43:30 | -5103 |
| Toppenish/White Swan | 05:28:31 | -34.1 | Dark | Down | 33.5 | 155.3 | Up | 05:13:31 - 05:43:31 | -5119 |
| Goldendale | 05:28:33 | -34.3 | Dark | Down | 33.9 | 154.7 | Up | 05:13:33 - 05:43:33 | -5136 |
| The Dalles | 05:28:34 | -34.3 | Dark | Down | 33.9 | 154.2 | Up | 05:13:34 - 05:43:34 | -5138 |
| Maupin | 05:28:35 | -34.6 | Dark | Down | 34.4 | 154.2 | Up | 05:13:35 - 05:43:35 | -5162 |
| PNWRO | 05:28:27 | -35.1 | Dark | Down | 34.2 | 156.9 | Up | 05:13:27 - 05:43:27 | -5175 |
| Sisters | 05:28:38 | -34.9 | Dark | Down | 35.0 | 153.4 | Up | 05:13:38 - 05:43:38 | -5196 |
| Sleaford | 05:27:42 | -35.1 | Dark | Up | 30.6 | 172.7 | Up | 05:12:42 - 05:42:42 | -5207 |
| Bend | 05:28:37 | -35.2 | Dark | Down | 35.3 | 153.6 | Up | 05:13:37 - 05:43:37 | -5215 |
| Oregon Observatory | 05:28:38 | -35.3 | Dark | Down | 35.4 | 153.4 | Up | 05:13:38 - 05:43:38 | -5221 |
| North Lake | 05:28:38 | -36.0 | Dark | Down | 36.2 | 153.8 | Up | 05:13:38 - 05:43:38 | -5270 |
| Chiloquin | 05:28:42 | -35.9 | Dark | Down | 36.4 | 152.5 | Up | 05:13:42 - 05:43:42 | -5282 |
| Klamath Falls | 05:28:43 | -36.2 | Dark | Down | 36.8 | 152.5 | Up | 05:13:43 - 05:43:43 | -5303 |
| Lakeview | 05:28:38 | -37.0 | Dark | Down | 37.3 | 154.1 | Up | 05:13:38 - 05:43:38 | -5344 |
| Fall River/Burney | 05:28:44 | -37.2 | Dark | Down | 38.0 | 152.5 | Up | 05:13:44 - 05:43:44 | -5382 |
| Cedarville | 05:28:39 | -37.6 | Dark | Down | 37.9 | 154.1 | Up | 05:13:39 - 05:43:39 | -5386 |
| Susanville | 05:28:44 | -38.0 | Dark | Down | 38.8 | 153.1 | Up | 05:13:44 - 05:43:44 | -5439 |
| Greenville | 05:28:45 | -38.0 | Dark | Down | 38.9 | 152.7 | Up | 05:13:45 - 05:43:45 | -5448 |
| Gimple | 05:28:45 | -38.1 | Dark | Down | 39.0 | 152.8 | Up | 05:13:45 - 05:43:45 | -5450 |
| Quincy | 05:28:45 | -38.2 | Dark | Down | 39.1 | 152.6 | Up | 05:13:45 - 05:43:45 | -5460 |
| Portola | 05:28:45 | -38.5 | Dark | Down | 39.4 | 153.2 | Up | 05:13:45 - 05:43:45 | -5480 |
| Reno | 05:28:42 | -39.1 | Dark | Down | 39.8 | 153.8 | Up | 05:13:42 - 05:43:42 | -5515 |
| Carson City | 05:28:43 | -39.3 | Dark | Down | 40.2 | 153.7 | Up | 05:13:43 - 05:43:43 | -5537 |
| Gardnerville | 05:28:44 | -39.5 | Dark | Down | 40.4 | 153.7 | Up | 05:13:44 - 05:43:44 | -5554 |
| Yerington | 05:28:42 | -39.8 | Dark | Down | 40.6 | 154.4 | Up | 05:13:42 - 05:43:42 | -5568 |
| Hawthorne | 05:28:41 | -40.5 | Dark | Down | 41.2 | 154.9 | Up | 05:13:41 - 05:43:41 | -5612 |
| Lee Vining | 05:28:43 | -40.5 | Dark | Down | 41.5 | 154.1 | Up | 05:13:43 - 05:43:43 | -5633 |
| Tonopah | 05:28:38 | -41.6 | Dark | Down | 42.0 | 156.5 | Up | 05:13:38 - 05:43:38 | -5683 |
| Bishop | 05:28:42 | -41.4 | Dark | Down | 42.3 | 154.8 | Up | 05:13:42 - 05:43:42 | -5694 |
| Beatty | 05:28:38 | -42.6 | Dark | Down | 43.2 | 156.7 | Up | 05:13:38 - 05:43:38 | -5773 |
| Indian Springs | 05:28:35 | -43.5 | Dark | Down | 43.9 | 157.9 | Up | 05:13:35 - 05:43:35 | -5828 |
| Henderson | 05:28:35 | -44.3 | Dark | Down | 44.6 | 158.6 | Up | 05:13:35 - 05:43:35 | -5886 |
| Wildwood | 05:28:49 | -43.4 | Dark | Down | 45.2 | 153.2 | Up | 05:13:49 - 05:43:49 | -5908 |
| Dunrhomin | 05:27:56 | -45.7 | Dark | Down | 42.4 | 172.6 | Up | 05:12:56 - 05:42:56 | -5914 |
| CU-SBO | 05:27:56 | -45.9 | Dark | Down | 42.6 | 172.5 | Up | 05:12:56 - 05:42:56 | -5927 |
| Laughlin/Bullhead City | 05:28:34 | -45.1 | Dark | Down | 45.5 | 158.9 | Up | 05:13:34 - 05:43:34 | -5959 |
| Patrick | 05:28:32 | -45.3 | Dark | Down | 45.5 | 159.9 | Up | 05:13:32 - 05:43:32 | -5964 |
| Kingman/Dolan Springs | 05:28:33 | -45.4 | Dark | Down | 45.6 | 159.6 | Up | 05:13:33 - 05:43:33 | -5974 |
| Mohave Valley | 05:28:35 | -45.3 | Dark | Down | 45.8 | 158.8 | Up | 05:13:35 - 05:43:35 | -5979 |
| Idyllwild | 05:28:45 | -44.8 | Dark | Down | 46.2 | 155.5 | Up | 05:13:45 - 05:43:45 | -5991 |
| Lake Havasu City | 05:28:35 | -45.7 | Dark | Down | 46.2 | 159.0 | Up | 05:13:35 - 05:43:35 | -6015 |
| Parker | 05:28:35 | -46.0 | Dark | Down | 46.6 | 158.9 | Up | 05:13:35 - 05:43:35 | -6041 |
| Calipatria | 05:28:42 | -45.9 | Dark | Down | 47.1 | 156.8 | Up | 05:13:42 - 05:43:42 | -6073 |
| Yuma | 05:28:40 | -46.8 | Dark | Down | 47.8 | 157.9 | Up | 05:13:40 - 05:43:40 | -6134 |
| George/Scottsdale | 05:28:28 | -47.7 | Dark | Down | 47.6 | 162.1 | Up | 05:13:28 - 05:43:28 | -6150 |
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 612584, (2027/09/24 05:29UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 22.54 126 Markab 23:04:45.8 +15:12:18 2.5 22.33 106 81 Aqr 23:01:23.6 -07:03:40 6.1 0.21 118 PPM 207031 23:00:35.6 -07:04:09 9.4 0.03 118 612584 23:00:33.8 -07:05:45 16.2 118 Positions are for J2000
Event circumstances last updated at 2022/05/11 22:24:09 UT
Marc W. Buie, Southwest Research Institute