Event between 10RD188 and star GA0780:00143773 with event index number of 1407947
Geocentric closest approach at 2024/10/31 07:00:35 UTC
J2000 position of star is 01:47:57.5 -11:04:54
Equinox of date position of star is 01:49:00.1 -10:58:36
Stellar brightness G=13.4,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 157 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=22.0
[RECON map]
TNO is 38.6 AU from the Sun
and 37.8 AU from the Earth.
The TNO is moving 24.4
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 119 seconds.
The 1-sigma cross-track error in the shadow position is
2664 km.
The sky-plane scale is
27383.4 km/arcsec.
The TNO has an absolute magnitude Hv=6.1
Diameter=363.1 km assuming a 5% albedo -- 14.9 sec chord
Diameter=148.2 km assuming a 30% albedo -- 6.1 sec chord
Dynamical classification is SCATEXTD
Star training set for 10RD188, (2024/10/31 07:01UT) Object RA Dec mag sep mel Fomalhaut 22:59:01.0 -29:29:24 1.2 43.68 125 68Omi Cet 02:20:36.2 -02:51:57 2.0 11.23 161 53Chi Cet 01:50:48.4 -10:33:52 4.7 0.56 158 PPM 210682 01:50:36.6 -10:34:53 7.2 0.52 158 PPM 210649 01:48:57.8 -10:51:42 8.8 0.11 157 10RD188 01:49:10.9 -10:57:31 13.4 157 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
5.0 sigma about the mid-time.
The median site spacing is 16.5 km
RECON observability=1.0 and success probability=12.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Clarence Fulton | 06:59:57 | -53.1 | Dark | Down | 28.7 | 178.6 | Low | 06:49:34 - 07:10:21 | 2207 |
| Kelowna | 06:59:58 | -53.4 | Dark | Down | 29.0 | 178.4 | Low | 06:49:34 - 07:10:21 | 2188 |
| Peachland | 06:59:59 | -53.5 | Dark | Down | 29.2 | 178.1 | Low | 06:49:35 - 07:10:22 | 2186 |
| Summerland | 06:59:59 | -53.6 | Dark | Down | 29.3 | 178.2 | Low | 06:49:35 - 07:10:22 | 2177 |
| Penticton | 06:59:59 | -53.7 | Dark | Down | 29.4 | 178.3 | Low | 06:49:35 - 07:10:22 | 2172 |
| Victoria | 07:00:10 | -53.8 | Dark | Down | 30.2 | 174.0 | Up | 06:49:47 - 07:10:34 | 2165 |
| Oliver | 06:59:59 | -54.1 | Dark | Down | 29.7 | 178.3 | Low | 06:49:35 - 07:10:22 | 2153 |
| Anarchist Mountain Observatory | 06:59:58 | -54.3 | Dark | Down | 29.9 | 178.5 | Low | 06:49:35 - 07:10:22 | 2142 |
| Tonasket | 06:59:58 | -54.5 | Dark | Down | 30.2 | 178.5 | Up | 06:49:35 - 07:10:22 | 2125 |
| Okanogan | 06:59:59 | -54.8 | Dark | Down | 30.5 | 178.3 | Up | 06:49:36 - 07:10:23 | 2109 |
| Brewster | 07:00:00 | -55.1 | Dark | Down | 30.8 | 178.1 | Up | 06:49:36 - 07:10:23 | 2096 |
| Manson/Chelan | 07:00:01 | -55.2 | Dark | Down | 31.0 | 177.6 | Up | 06:49:38 - 07:10:25 | 2089 |
| Wenatchee | 07:00:02 | -55.6 | Dark | Down | 31.5 | 177.4 | Up | 06:49:38 - 07:10:25 | 2065 |
| Ellensburg | 07:00:03 | -55.9 | Dark | Down | 31.9 | 177.2 | Up | 06:49:39 - 07:10:26 | 2044 |
| Yakima | 07:00:03 | -56.3 | Dark | Down | 32.3 | 177.1 | Up | 06:49:40 - 07:10:27 | 2021 |
| Toppenish/White Swan | 07:00:03 | -56.5 | Dark | Down | 32.5 | 177.3 | Up | 06:49:39 - 07:10:26 | 2006 |
| Pasco | 06:59:59 | -56.9 | Dark | Down | 32.7 | 178.8 | Up | 06:49:35 - 07:10:22 | 1982 |
| Goldendale | 07:00:05 | -57.0 | Dark | Down | 33.0 | 176.8 | Up | 06:49:41 - 07:10:28 | 1979 |
| The Dalles | 07:00:05 | -57.1 | Dark | Down | 33.3 | 176.4 | Up | 06:49:42 - 07:10:29 | 1971 |
| PNWRO | 06:59:58 | -57.2 | Dark | Down | 32.9 | 179.1 | Up | 06:49:35 - 07:10:22 | 1964 |
| Maupin | 07:00:06 | -57.5 | Dark | Down | 33.7 | 176.5 | Up | 06:49:42 - 07:10:29 | 1944 |
| Sisters | 07:00:08 | -58.2 | Dark | Down | 34.5 | 175.9 | Up | 06:49:44 - 07:10:31 | 1898 |
| Redmond | 07:00:07 | -58.3 | Dark | Down | 34.6 | 176.4 | Up | 06:49:43 - 07:10:30 | 1891 |
| Bend | 07:00:07 | -58.5 | Dark | Down | 34.8 | 176.2 | Up | 06:49:43 - 07:10:30 | 1880 |
| Oregon Observatory | 07:00:07 | -58.6 | Dark | Down | 35.0 | 176.0 | Up | 06:49:44 - 07:10:31 | 1871 |
| La Pine/Gilchrist | 07:00:08 | -58.8 | Dark | Down | 35.2 | 175.9 | Up | 06:49:44 - 07:10:31 | 1859 |
| North Lake | 07:00:06 | -59.3 | Dark | Down | 35.6 | 176.6 | Up | 06:49:43 - 07:10:30 | 1824 |
| Chiloquin | 07:00:10 | -59.7 | Dark | Down | 36.2 | 175.5 | Up | 06:49:46 - 07:10:33 | 1794 |
| Paisley | 07:00:05 | -59.9 | Dark | Down | 36.2 | 177.0 | Up | 06:49:42 - 07:10:29 | 1784 |
| Klamath Falls | 07:00:10 | -60.0 | Dark | Down | 36.6 | 175.5 | Up | 06:49:46 - 07:10:33 | 1771 |
| Lakeview | 07:00:05 | -60.5 | Dark | Down | 36.7 | 177.3 | Up | 06:49:41 - 07:10:28 | 1748 |
| Cedarville | 07:00:05 | -61.1 | Dark | Down | 37.4 | 177.4 | Up | 06:49:41 - 07:10:28 | 1703 |
| Fall River/Burney | 07:00:09 | -61.2 | Dark | Down | 37.8 | 175.9 | Up | 06:49:46 - 07:10:33 | 1688 |
| Susanville | 07:00:07 | -62.0 | Dark | Down | 38.4 | 176.8 | Up | 06:49:44 - 07:10:31 | 1635 |
| Greenville | 07:00:08 | -62.2 | Dark | Down | 38.7 | 176.4 | Up | 06:49:45 - 07:10:32 | 1621 |
| Gimple | 07:00:08 | -62.2 | Dark | Down | 38.7 | 176.5 | Up | 06:49:45 - 07:10:32 | 1619 |
| Quincy | 07:00:09 | -62.3 | Dark | Down | 38.9 | 176.4 | Up | 06:49:45 - 07:10:32 | 1607 |
| Portola | 07:00:07 | -62.6 | Dark | Down | 39.1 | 177.0 | Up | 06:49:44 - 07:10:31 | 1591 |
| Reno | 07:00:05 | -63.1 | Dark | Down | 39.3 | 177.8 | Up | 06:49:41 - 07:10:28 | 1563 |
| Carson City | 07:00:05 | -63.4 | Dark | Down | 39.7 | 177.8 | Up | 06:49:42 - 07:10:29 | 1538 |
| Gardnerville | 07:00:05 | -63.6 | Dark | Down | 40.0 | 177.9 | Up | 06:49:41 - 07:10:28 | 1520 |
| Yerington | 07:00:03 | -63.8 | Dark | Down | 39.9 | 178.6 | Up | 06:49:39 - 07:10:26 | 1515 |
| Hawthorne | 07:00:01 | -64.3 | Dark | Down | 40.4 | 179.3 | Up | 06:49:38 - 07:10:25 | 1474 |
| Lee Vining | 07:00:04 | -64.7 | Dark | Down | 40.9 | 178.7 | Up | 06:49:40 - 07:10:27 | 1442 |
| Tonopah | 06:59:57 | -65.2 | Dark | Down | 40.9 | 181.1 | Up | 06:49:33 - 07:10:20 | 1419 |
| Bishop | 07:00:01 | -65.5 | Dark | Down | 41.6 | 179.6 | Up | 06:49:38 - 07:10:25 | 1387 |
| Dunrhomin | 06:59:15 | -63.8 | Dark | Down | 37.3 | 195.8 | Up | 06:48:52 - 07:09:39 | 1367 |
| Beatty | 06:59:56 | -66.4 | Dark | Down | 42.0 | 181.7 | Up | 06:49:32 - 07:10:19 | 1327 |
| Indian Springs | 06:59:52 | -66.9 | Dark | Down | 42.3 | 183.2 | Up | 06:49:29 - 07:10:16 | 1285 |
| CPSLO | 07:00:11 | -66.6 | Dark | Down | 43.6 | 176.6 | Up | 06:49:47 - 07:10:34 | 1270 |
| Henderson | 06:59:50 | -67.6 | Dark | Down | 42.8 | 184.1 | Up | 06:49:26 - 07:10:13 | 1233 |
| Patrick | 06:59:46 | -68.4 | Dark | Down | 43.3 | 185.6 | Up | 06:49:23 - 07:10:10 | 1166 |
| Laughlin/Bullhead City | 06:59:49 | -68.5 | Dark | Down | 43.6 | 184.7 | Up | 06:49:25 - 07:10:12 | 1159 |
| Kingman/Dolan Springs | 06:59:47 | -68.6 | Dark | Down | 43.6 | 185.4 | Up | 06:49:23 - 07:10:10 | 1153 |
| Wildwood | 07:00:04 | -68.4 | Dark | Down | 44.8 | 179.3 | Up | 06:49:41 - 07:10:28 | 1146 |
| Mohave Valley | 06:59:49 | -68.8 | Dark | Down | 43.9 | 184.7 | Up | 06:49:25 - 07:10:12 | 1138 |
| Lake Havasu City | 06:59:48 | -69.2 | Dark | Down | 44.3 | 185.1 | Up | 06:49:25 - 07:10:12 | 1103 |
| Idyllwild | 06:59:57 | -69.4 | Dark | Down | 45.2 | 181.9 | Up | 06:49:34 - 07:10:21 | 1087 |
| Parker | 06:59:48 | -69.6 | Dark | Down | 44.6 | 185.2 | Up | 06:49:25 - 07:10:12 | 1075 |
| Blythe | 06:59:49 | -70.0 | Dark | Down | 45.2 | 184.8 | Up | 06:49:26 - 07:10:13 | 1040 |
| Calipatria | 06:59:53 | -70.3 | Dark | Down | 45.7 | 183.6 | Up | 06:49:30 - 07:10:17 | 1017 |
| George/Scottsdale | 06:59:39 | -70.4 | Dark | Down | 44.8 | 188.5 | Up | 06:49:16 - 07:10:03 | 999 |
| Yuma | 06:59:50 | -70.9 | Dark | Down | 46.1 | 184.8 | Up | 06:49:27 - 07:10:14 | 967 |
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 10RD188, (2024/10/31 07:01UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 43.68 125 68Omi Cet 02:19:20.8 -02:58:45 2.0 11.23 161 53Chi Cet 01:49:34.9 -10:41:13 4.7 0.56 158 PPM 210682 01:49:23.1 -10:42:15 7.2 0.52 158 PPM 210649 01:47:44.4 -10:59:05 8.8 0.11 157 10RD188 01:47:57.5 -11:04:54 13.4 157 Positions are for J2000
Event circumstances last updated at 2021/02/28 00:29:10 UT
Marc W. Buie, Southwest Research Institute