Event between (523753) 14WV508 and star GA1020:03549681 with event index number of 1338738
Geocentric closest approach at 2024/03/19 03:44:43 UTC
J2000 position of star is 12:13:20.7 +13:40:49
Equinox of date position of star is 12:14:21.8 +13:34:09
Stellar brightness G=16.1,
use SENSEUP=128
Star is 65 degrees from the moon.
Moon is 70% illuminated.
TNO apparent brightness V=21.5
[RECON map]
TNO is 16.5 AU from the Sun
and 15.6 AU from the Earth.
The TNO is moving 21.2
km/sec on the sky relative to the star, or,
6.8 arcsec/hr.
The 1-sigma error in the time of the event is 236 seconds.
The 1-sigma cross-track error in the shadow position is
4410 km.
The sky-plane scale is
11291.2 km/arcsec.
The TNO has an absolute magnitude Hv=9.4
Diameter=79.4 km assuming a 5% albedo -- 3.7 sec chord
Diameter=32.4 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CENTAURR
Star training set for 523753, (2024/03/19 03:45UT) Object RA Dec mag sep mel Arcturus 14:16:46.3 +19:03:35 0.0 29.79 89 Denebola 11:50:17.7 +14:26:12 2.1 5.96 59 6 Com 12:17:13.9 +14:45:52 5.1 1.38 65 PPM 128796 12:08:50.1 +13:22:56 8.4 1.41 64 PPM 128841 12:12:28.6 +13:25:08 9.3 0.53 65 PPM 128856 12:13:37.8 +13:27:28 10.9 0.25 65 523753 12:14:34.7 +13:32:45 16.1 65 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
3.8 sigma about the mid-time.
The median site spacing is 25.7 km
RECON observability=1.0 and success probability=11.7%
| 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 | 03:48:35 | -16.5 | AT | Up | 24.3 | 97.9 | Low | 03:33:35 - 04:03:35 | 530 |
| Kelowna | 03:48:36 | -16.6 | AT | Up | 24.2 | 97.6 | Low | 03:33:36 - 04:03:36 | 494 |
| Summerland | 03:48:37 | -16.5 | AT | Up | 24.2 | 97.3 | Low | 03:33:37 - 04:03:37 | 470 |
| Penticton | 03:48:37 | -16.6 | AT | Up | 24.2 | 97.4 | Low | 03:33:37 - 04:03:37 | 463 |
| Oliver | 03:48:38 | -16.8 | AT | Up | 24.3 | 97.2 | Low | 03:33:38 - 04:03:38 | 428 |
| Anarchist Mountain Observatory | 03:48:38 | -16.9 | AT | Up | 24.4 | 97.3 | Low | 03:33:38 - 04:03:38 | 411 |
| Victoria | 03:48:44 | -14.6 | AT | Up | 21.8 | 93.9 | Low | 03:33:44 - 04:03:44 | 397 |
| Tonasket | 03:48:39 | -17.0 | AT | Up | 24.4 | 97.1 | Low | 03:33:39 - 04:03:39 | 381 |
| Okanogan | 03:48:40 | -17.0 | AT | Up | 24.4 | 96.8 | Low | 03:33:40 - 04:03:40 | 349 |
| Brewster | 03:48:40 | -17.0 | AT | Up | 24.3 | 96.5 | Low | 03:33:40 - 04:03:40 | 324 |
| Manson/Chelan | 03:48:42 | -16.8 | AT | Up | 24.1 | 96.2 | Low | 03:33:42 - 04:03:42 | 307 |
| Entiat | 03:48:42 | -16.8 | AT | Up | 24.0 | 96.0 | Low | 03:33:42 - 04:03:42 | 286 |
| Wenatchee | 03:48:43 | -16.9 | AT | Up | 24.0 | 95.8 | Low | 03:33:43 - 04:03:43 | 261 |
| Ellensburg | 03:48:44 | -16.9 | AT | Up | 23.9 | 95.5 | Low | 03:33:44 - 04:03:44 | 222 |
| Yakima | 03:48:45 | -17.0 | AT | Up | 23.9 | 95.3 | Low | 03:33:45 - 04:03:45 | 182 |
| Toppenish/White Swan | 03:48:45 | -17.2 | AT | Up | 24.1 | 95.3 | Low | 03:33:45 - 04:03:45 | 159 |
| Pasco | 03:48:44 | -18.0 | Dark | Up | 24.9 | 96.2 | Low | 03:33:44 - 04:03:44 | 137 |
| PNWRO | 03:48:44 | -18.3 | Dark | Up | 25.1 | 96.3 | Low | 03:33:44 - 04:03:44 | 110 |
| Goldendale | 03:48:47 | -17.1 | AT | Up | 23.8 | 94.8 | Low | 03:33:47 - 04:03:47 | 108 |
| The Dalles | 03:48:48 | -16.9 | AT | Up | 23.6 | 94.4 | Low | 03:33:48 - 04:03:48 | 89 |
| Maupin | 03:48:49 | -17.1 | AT | Up | 23.7 | 94.3 | Low | 03:33:49 - 04:03:49 | 46 |
| Sisters | 03:48:52 | -17.0 | AT | Up | 23.4 | 93.6 | Low | 03:33:52 - 04:03:52 | -38 |
| Redmond | 03:48:51 | -17.3 | AT | Up | 23.7 | 93.8 | Low | 03:33:51 - 04:03:51 | -44 |
| Bend | 03:48:52 | -17.3 | AT | Up | 23.6 | 93.7 | Low | 03:33:52 - 04:03:52 | -64 |
| Oregon Observatory | 03:48:53 | -17.2 | AT | Up | 23.5 | 93.5 | Low | 03:33:53 - 04:03:53 | -81 |
| La Pine/Gilchrist | 03:48:53 | -17.2 | AT | Up | 23.5 | 93.4 | Low | 03:33:53 - 04:03:53 | -101 |
| North Lake | 03:48:53 | -17.8 | AT | Up | 24.0 | 93.6 | Low | 03:33:53 - 04:03:53 | -151 |
| Paisley | 03:48:54 | -18.2 | Dark | Up | 24.3 | 93.6 | Low | 03:33:54 - 04:03:54 | -210 |
| Klamath Falls | 03:48:57 | -17.5 | AT | Up | 23.4 | 92.5 | Low | 03:33:57 - 04:03:57 | -246 |
| Lakeview | 03:48:54 | -18.5 | Dark | Up | 24.4 | 93.5 | Low | 03:33:54 - 04:03:54 | -264 |
| Cedarville | 03:48:55 | -18.8 | Dark | Up | 24.6 | 93.3 | Low | 03:33:55 - 04:03:55 | -333 |
| Fall River/Burney | 03:48:58 | -18.1 | Dark | Up | 23.7 | 92.3 | Low | 03:33:58 - 04:03:58 | -371 |
| Susanville | 03:48:58 | -18.8 | Dark | Up | 24.3 | 92.5 | Low | 03:33:58 - 04:03:58 | -444 |
| Greenville | 03:48:59 | -18.6 | Dark | Up | 24.1 | 92.2 | Low | 03:33:59 - 04:03:59 | -470 |
| Gimple | 03:48:59 | -18.7 | Dark | Up | 24.2 | 92.2 | Low | 03:33:59 - 04:03:59 | -471 |
| Quincy | 03:49:00 | -18.7 | Dark | Up | 24.1 | 92.1 | Low | 03:34:00 - 04:04:00 | -491 |
| Portola | 03:48:59 | -19.1 | Dark | Up | 24.5 | 92.4 | Low | 03:33:59 - 04:03:59 | -508 |
| Reno | 03:48:59 | -19.6 | Dark | Up | 25.0 | 92.7 | Low | 03:33:59 - 04:03:59 | -542 |
| Niwot | 03:48:28 | -29.7 | Dark | Up | 36.0 | 103.2 | Up | 03:33:28 - 04:03:28 | -560 |
| SwRI | 03:48:28 | -29.7 | Dark | Up | 35.9 | 103.1 | Up | 03:33:28 - 04:03:28 | -571 |
| Carson City | 03:48:59 | -19.8 | Dark | Up | 25.0 | 92.5 | Low | 03:33:59 - 04:03:59 | -580 |
| Gardnerville | 03:48:59 | -19.9 | Dark | Up | 25.1 | 92.4 | Low | 03:33:59 - 04:03:59 | -606 |
| Yerington | 03:48:58 | -20.3 | Dark | Up | 25.5 | 92.8 | Low | 03:33:58 - 04:03:58 | -606 |
| Hawthorne | 03:48:58 | -20.8 | Dark | Up | 26.0 | 92.9 | Low | 03:33:58 - 04:03:58 | -659 |
| Lee Vining | 03:49:00 | -20.6 | Dark | Up | 25.6 | 92.4 | Low | 03:34:00 - 04:04:00 | -714 |
| Tonopah | 03:48:57 | -22.0 | Dark | Up | 27.1 | 93.6 | Low | 03:33:57 - 04:03:57 | -720 |
| Bishop | 03:49:00 | -21.3 | Dark | Up | 26.2 | 92.5 | Low | 03:34:00 - 04:04:00 | -784 |
| Beatty | 03:48:57 | -22.7 | Dark | Up | 27.5 | 93.3 | Low | 03:33:57 - 04:03:57 | -847 |
| Indian Springs | 03:48:56 | -23.6 | Dark | Up | 28.4 | 93.8 | Low | 03:33:56 - 04:03:56 | -890 |
| Henderson | 03:48:55 | -24.3 | Dark | Up | 29.0 | 94.0 | Low | 03:33:55 - 04:03:55 | -952 |
| CPSLO | 03:49:07 | -20.2 | Dark | Up | 24.5 | 90.2 | Low | 03:34:07 - 04:04:07 | -982 |
| Searchlight/Boulder City | 03:48:56 | -24.6 | Dark | Up | 29.1 | 93.7 | Low | 03:33:56 - 04:03:56 | -1014 |
| Patrick | 03:48:54 | -25.4 | Dark | Up | 29.9 | 94.3 | Low | 03:33:54 - 04:03:54 | -1026 |
| Laughlin/Bullhead City | 03:48:55 | -24.9 | Dark | Up | 29.4 | 93.7 | Low | 03:33:55 - 04:03:55 | -1048 |
| Kingman/Dolan Springs | 03:48:54 | -25.3 | Dark | Up | 29.8 | 94.0 | Low | 03:33:54 - 04:03:54 | -1049 |
| DCO | 03:48:53 | -26.0 | Dark | Up | 30.5 | 94.5 | Up | 03:33:53 - 04:03:53 | -1063 |
| Mohave Valley | 03:48:56 | -25.0 | Dark | Up | 29.4 | 93.6 | Low | 03:33:56 - 04:03:56 | -1077 |
| Lake Havasu City | 03:48:56 | -25.3 | Dark | Up | 29.6 | 93.5 | Low | 03:33:56 - 04:03:56 | -1122 |
| Wildwood | 03:49:05 | -22.1 | Dark | Up | 26.2 | 90.8 | Low | 03:34:05 - 04:04:05 | -1131 |
| Parker | 03:48:56 | -25.5 | Dark | Up | 29.7 | 93.3 | Low | 03:33:56 - 04:03:56 | -1160 |
| Idyllwild | 03:49:01 | -23.7 | Dark | Up | 27.7 | 91.7 | Low | 03:34:01 - 04:04:01 | -1186 |
| Blythe | 03:48:57 | -25.4 | Dark | Up | 29.5 | 92.8 | Low | 03:33:57 - 04:03:57 | -1215 |
| George/Scottsdale | 03:48:51 | -27.5 | Dark | Up | 31.7 | 94.5 | Up | 03:33:51 - 04:03:51 | -1221 |
| Calipatria | 03:49:00 | -24.8 | Dark | Up | 28.7 | 92.0 | Low | 03:34:00 - 04:04:00 | -1261 |
| Yuma | 03:48:59 | -25.7 | Dark | Up | 29.5 | 92.3 | Low | 03:33:59 - 04:03:59 | -1314 |
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 523753, (2024/03/19 03:45UT) Object RA Dec mag sep mel Arcturus 14:15:38.1 +19:10:17 0.0 29.79 89 Denebola 11:49:02.9 +14:34:17 2.1 5.96 59 6 Com 12:16:00.1 +14:53:56 5.1 1.38 65 PPM 128796 12:07:35.9 +13:31:01 8.4 1.41 64 PPM 128841 12:11:14.5 +13:33:13 9.3 0.53 65 PPM 128856 12:12:23.8 +13:35:32 10.9 0.25 65 523753 12:13:20.7 +13:40:49 16.1 65 Positions are for J2000
Event circumstances last updated at 2020/01/02 23:16:07 UT
Marc W. Buie, Southwest Research Institute