Event between (447178) 05RO43 and star GA0740:01850147 with event index number of 1298947
Geocentric closest approach at 2023/11/09 12:17:35 UTC
J2000 position of star is 07:05:52.8 -14:06:28
Equinox of date position of star is 07:06:48.3 -14:08:23
Stellar brightness G=12.6,
use SENSEUP=16
Star is 77 degrees from the moon.
Moon is 15% illuminated.
TNO apparent brightness V=22.4
[RECON map]
TNO is 16.5 AU from the Sun
and 16.2 AU from the Earth.
The TNO is moving 16.6
km/sec on the sky relative to the star, or,
5.1 arcsec/hr.
The 1-sigma error in the time of the event is 171 seconds.
The 1-sigma cross-track error in the shadow position is
4509 km.
The sky-plane scale is
11715.9 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=218.8 km assuming a 5% albedo -- 3.6 sec chord
Diameter=89.3 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CENTAURR
Star training set for 447178, (2023/11/09 12:18UT) Object RA Dec mag sep mel Sirius 06:46:12.1 -16:44:57 -1.5 5.64 82 2Bet CMa 06:23:45.0 -17:58:10 2.0 11.06 88 23Gam CMa 07:04:50.3 -15:40:12 4.1 1.61 78 PPM 218114 07:06:07.1 -14:00:17 8.0 0.25 77 PPM 218157 07:07:31.6 -13:58:01 9.4 0.22 77 447178 07:06:58.5 -14:08:44 12.6 77 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 9.6 km
RECON observability=1.0 and success probability=10.1%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Victoria | 12:12:29 | -29.8 | Dark | Up | 27.4 | 181.8 | Low | 11:57:43 - 12:27:16 | 118 |
| Peachland | 12:12:19 | -27.3 | Dark | Up | 26.0 | 185.7 | Low | 11:57:33 - 12:27:06 | -85 |
| Summerland | 12:12:19 | -27.3 | Dark | Up | 26.1 | 185.8 | Low | 11:57:33 - 12:27:06 | -95 |
| Clarence Fulton | 12:12:17 | -27.0 | Dark | Up | 25.4 | 186.1 | Low | 11:57:31 - 12:27:04 | -99 |
| Kelowna | 12:12:18 | -27.1 | Dark | Up | 25.8 | 186.0 | Low | 11:57:32 - 12:27:05 | -100 |
| Penticton | 12:12:19 | -27.2 | Dark | Up | 26.2 | 185.9 | Low | 11:57:33 - 12:27:06 | -104 |
| The Dalles | 12:12:33 | -28.7 | Dark | Up | 30.2 | 184.4 | Up | 11:57:46 - 12:27:19 | -115 |
| Manson/Chelan | 12:12:25 | -27.8 | Dark | Up | 27.9 | 185.4 | Low | 11:57:38 - 12:27:11 | -115 |
| Oliver | 12:12:20 | -27.3 | Dark | Up | 26.5 | 185.9 | Low | 11:57:34 - 12:27:07 | -115 |
| Ellensburg | 12:12:28 | -28.1 | Dark | Up | 28.8 | 185.0 | Low | 11:57:41 - 12:27:14 | -116 |
| Entiat | 12:12:25 | -27.8 | Dark | Up | 28.1 | 185.3 | Low | 11:57:39 - 12:27:12 | -117 |
| Wenatchee | 12:12:26 | -27.9 | Dark | Up | 28.3 | 185.2 | Low | 11:57:40 - 12:27:13 | -118 |
| Yakima | 12:12:29 | -28.2 | Dark | Up | 29.2 | 185.0 | Low | 11:57:42 - 12:27:15 | -127 |
| Sisters | 12:12:37 | -29.0 | Dark | Up | 31.5 | 184.0 | Up | 11:57:51 - 12:27:24 | -128 |
| Anarchist Mountain Observatory | 12:12:20 | -27.2 | Dark | Up | 26.7 | 186.2 | Low | 11:57:34 - 12:27:07 | -132 |
| Brewster | 12:12:23 | -27.5 | Dark | Up | 27.6 | 185.8 | Low | 11:57:37 - 12:27:10 | -133 |
| Goldendale | 12:12:31 | -28.4 | Dark | Up | 29.9 | 184.8 | Low | 11:57:45 - 12:27:18 | -133 |
| Maupin | 12:12:34 | -28.6 | Dark | Up | 30.6 | 184.5 | Up | 11:57:47 - 12:27:20 | -135 |
| Tonasket | 12:12:21 | -27.2 | Dark | Up | 27.0 | 186.1 | Low | 11:57:35 - 12:27:08 | -137 |
| Okanogan | 12:12:22 | -27.4 | Dark | Up | 27.3 | 186.0 | Low | 11:57:36 - 12:27:09 | -138 |
| Toppenish/White Swan | 12:12:29 | -28.1 | Dark | Up | 29.4 | 185.2 | Low | 11:57:43 - 12:27:16 | -145 |
| Oregon Observatory | 12:12:38 | -29.0 | Dark | Up | 31.9 | 184.2 | Up | 11:57:52 - 12:27:25 | -149 |
| La Pine/Gilchrist | 12:12:39 | -29.0 | Dark | Up | 32.1 | 184.1 | Up | 11:57:53 - 12:27:26 | -152 |
| Bend | 12:12:38 | -28.9 | Dark | Up | 31.7 | 184.3 | Up | 11:57:51 - 12:27:24 | -153 |
| Redmond | 12:12:36 | -28.7 | Dark | Up | 31.5 | 184.5 | Up | 11:57:50 - 12:27:23 | -157 |
| Klamath Falls | 12:12:44 | -29.3 | Dark | Up | 33.6 | 183.9 | Up | 11:57:58 - 12:27:31 | -179 |
| North Lake | 12:12:39 | -28.6 | Dark | Up | 32.5 | 184.8 | Up | 11:57:52 - 12:27:25 | -209 |
| Pasco | 12:12:27 | -27.2 | Dark | Up | 29.4 | 186.6 | Low | 11:57:40 - 12:27:13 | -236 |
| Fall River/Burney | 12:12:47 | -29.1 | Dark | Up | 34.7 | 184.4 | Up | 11:58:01 - 12:27:34 | -246 |
| Paisley | 12:12:40 | -28.4 | Dark | Up | 33.0 | 185.3 | Up | 11:57:53 - 12:27:26 | -254 |
| PNWRO | 12:12:27 | -27.0 | Dark | Up | 29.6 | 186.9 | Low | 11:57:40 - 12:27:13 | -260 |
| Lakeview | 12:12:41 | -28.2 | Dark | Up | 33.5 | 185.5 | Up | 11:57:55 - 12:27:28 | -285 |
| Greenville | 12:12:49 | -28.7 | Dark | Up | 35.6 | 185.0 | Up | 11:58:02 - 12:27:35 | -311 |
| Gimple | 12:12:49 | -28.7 | Dark | Up | 35.6 | 185.1 | Up | 11:58:02 - 12:27:35 | -317 |
| Quincy | 12:12:49 | -28.7 | Dark | Up | 35.8 | 185.0 | Up | 11:58:03 - 12:27:36 | -318 |
| Cedarville | 12:12:42 | -28.1 | Dark | Up | 34.2 | 185.8 | Up | 11:57:56 - 12:27:29 | -321 |
| Susanville | 12:12:48 | -28.5 | Dark | Up | 35.3 | 185.3 | Up | 11:58:01 - 12:27:34 | -324 |
| Portola | 12:12:49 | -28.4 | Dark | Up | 35.9 | 185.6 | Up | 11:58:02 - 12:27:35 | -359 |
| Reno | 12:12:48 | -27.9 | Dark | Up | 36.1 | 186.4 | Up | 11:58:02 - 12:27:35 | -418 |
| Carson City | 12:12:49 | -27.9 | Dark | Up | 36.5 | 186.5 | Up | 11:58:03 - 12:27:36 | -433 |
| Gardnerville | 12:12:50 | -27.8 | Dark | Up | 36.7 | 186.5 | Up | 11:58:04 - 12:27:37 | -446 |
| Yerington | 12:12:48 | -27.4 | Dark | Up | 36.6 | 187.2 | Up | 11:58:02 - 12:27:35 | -489 |
| CPSLO | 12:13:05 | -28.5 | Dark | Up | 40.4 | 185.8 | Up | 11:58:18 - 12:27:51 | -511 |
| Lee Vining | 12:12:52 | -27.3 | Dark | Up | 37.6 | 187.4 | Up | 11:58:06 - 12:27:39 | -531 |
| Hawthorne | 12:12:49 | -27.0 | Dark | Up | 37.0 | 187.9 | Up | 11:58:02 - 12:27:35 | -548 |
| Bishop | 12:12:52 | -26.8 | Dark | Up | 38.1 | 188.4 | Up | 11:58:05 - 12:27:38 | -612 |
| Tonopah | 12:12:47 | -25.9 | Dark | Up | 37.3 | 189.7 | Up | 11:58:00 - 12:27:33 | -676 |
| Wildwood | 12:13:04 | -26.8 | Dark | Up | 41.4 | 188.6 | Up | 11:58:18 - 12:27:51 | -727 |
| Beatty | 12:12:50 | -25.4 | Dark | Up | 38.4 | 190.4 | Up | 11:58:03 - 12:27:36 | -760 |
| Indian Springs | 12:12:48 | -24.6 | Dark | Up | 38.5 | 191.8 | Up | 11:58:02 - 12:27:35 | -859 |
| Idyllwild | 12:13:01 | -25.2 | Dark | Up | 41.5 | 191.0 | Up | 11:58:15 - 12:27:48 | -897 |
| Henderson | 12:12:49 | -24.0 | Dark | Up | 38.9 | 192.7 | Up | 11:58:02 - 12:27:35 | -938 |
| Searchlight/Boulder City | 12:12:50 | -23.9 | Dark | Up | 39.5 | 192.9 | Up | 11:58:04 - 12:27:37 | -968 |
| Laughlin/Bullhead City | 12:12:51 | -23.6 | Dark | Up | 39.7 | 193.4 | Up | 11:58:05 - 12:27:38 | -1009 |
| Mohave Valley | 12:12:52 | -23.5 | Dark | Up | 40.0 | 193.5 | Up | 11:58:05 - 12:27:38 | -1022 |
| Calipatria | 12:13:00 | -24.1 | Dark | Up | 41.9 | 192.6 | Up | 11:58:14 - 12:27:47 | -1022 |
| Kingman/Dolan Springs | 12:12:49 | -23.1 | Dark | Up | 39.6 | 194.0 | Up | 11:58:03 - 12:27:36 | -1050 |
| Patrick | 12:12:49 | -23.0 | Dark | Up | 39.3 | 194.2 | Up | 11:58:02 - 12:27:35 | -1055 |
| Lake Havasu City | 12:12:53 | -23.3 | Dark | Up | 40.3 | 193.8 | Up | 11:58:06 - 12:27:39 | -1060 |
| Blythe | 12:12:56 | -23.4 | Dark | Up | 41.2 | 193.7 | Up | 11:58:10 - 12:27:43 | -1077 |
| Parker | 12:12:54 | -23.2 | Dark | Up | 40.7 | 194.0 | Up | 11:58:08 - 12:27:41 | -1078 |
| Yuma | 12:13:00 | -23.4 | Dark | Up | 42.1 | 193.9 | Up | 11:58:13 - 12:27:46 | -1116 |
| DCO | 12:12:47 | -22.4 | Dark | Up | 39.5 | 195.1 | Up | 11:58:01 - 12:27:34 | -1126 |
| George/Scottsdale | 12:12:49 | -21.2 | Dark | Up | 40.5 | 197.1 | Up | 11:58:03 - 12:27:36 | -1298 |
| SwRI | 12:12:16 | -16.9 | AT | Up | 32.9 | 203.0 | Up | 11:57:30 - 12:27:03 | -1500 |
| Niwot | 12:12:15 | -16.8 | AT | Up | 32.7 | 203.0 | Up | 11:57:29 - 12:27:02 | -1502 |
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 447178, (2023/11/09 12:18UT) Object RA Dec mag sep mel Sirius 06:45:08.1 -16:43:22 -1.5 5.64 82 2Bet CMa 06:22:42.0 -17:57:21 2.0 11.06 88 23Gam CMa 07:03:45.5 -15:38:00 4.1 1.61 78 PPM 218114 07:05:01.4 -13:58:02 8.0 0.25 77 PPM 218157 07:06:25.8 -13:55:43 9.4 0.22 77 447178 07:05:52.8 -14:06:28 12.6 77 Positions are for J2000
Event circumstances last updated at 2020/02/25 00:12:39 UT
Marc W. Buie, Southwest Research Institute