Event between (523727) 14NW65 and star GA0980:18189653 with event index number of 1291715
Geocentric closest approach at 2023/10/16 08:18:35 UTC
J2000 position of star is 22:22:08.4 +08:25:09
Equinox of date position of star is 22:23:07.8 +08:31:11
Stellar brightness G=17.0,
use SENSEUP=128
Star is 119 degrees from the moon.
Moon is 3% illuminated.
TNO apparent brightness V=19.8
[RECON map]
TNO is 20.2 AU from the Sun
and 19.5 AU from the Earth.
The TNO is moving 17.6
km/sec on the sky relative to the star, or,
4.5 arcsec/hr.
The 1-sigma error in the time of the event is 133 seconds.
The 1-sigma cross-track error in the shadow position is
2619 km.
The sky-plane scale is
14158.0 km/arcsec.
The TNO has an absolute magnitude Hv=6.6
Diameter=288.4 km assuming a 5% albedo -- 16.3 sec chord
Diameter=117.7 km assuming a 30% albedo -- 6.7 sec chord
Dynamical classification is CENTAURR
Star training set for 523727, (2023/10/16 08:19UT) Object RA Dec mag sep mel Markab 23:05:56.9 +15:20:01 2.5 12.44 130 30 Peg 22:21:39.3 +05:54:36 5.3 2.66 117 PPM 172935 22:22:07.1 +08:18:26 7.1 0.38 118 PPM 172946 22:22:24.0 +08:48:05 9.5 0.35 118 523727 22:23:19.6 +08:32:23 17.0 119 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 26.6 km
RECON observability=1.0 and success probability=20.1%
| 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 | 08:13:27 | -48.1 | Dark | Down | 29.5 | 245.4 | Low | 08:01:52 - 08:25:02 | 2022 |
| Kelowna | 08:13:27 | -48.5 | Dark | Down | 29.7 | 245.4 | Low | 08:01:52 - 08:25:02 | 1986 |
| Summerland | 08:13:28 | -48.8 | Dark | Down | 30.0 | 245.4 | Low | 08:01:53 - 08:25:03 | 1964 |
| Victoria | 08:13:37 | -50.2 | Dark | Down | 32.6 | 242.5 | Up | 08:02:02 - 08:25:12 | 1957 |
| Penticton | 08:13:27 | -48.8 | Dark | Down | 29.9 | 245.5 | Low | 08:01:52 - 08:25:02 | 1954 |
| Oliver | 08:13:27 | -49.2 | Dark | Down | 30.1 | 245.7 | Up | 08:01:52 - 08:25:02 | 1918 |
| Anarchist Mountain Observatory | 08:13:27 | -49.3 | Dark | Down | 30.0 | 246.0 | Up | 08:01:52 - 08:25:02 | 1895 |
| Tonasket | 08:13:28 | -49.6 | Dark | Down | 30.2 | 246.1 | Up | 08:01:53 - 08:25:03 | 1865 |
| Okanogan | 08:13:28 | -50.0 | Dark | Down | 30.4 | 246.1 | Up | 08:01:53 - 08:25:03 | 1834 |
| Brewster | 08:13:28 | -50.3 | Dark | Down | 30.7 | 246.1 | Up | 08:01:53 - 08:25:03 | 1811 |
| Manson/Chelan | 08:13:30 | -50.5 | Dark | Down | 31.0 | 245.9 | Up | 08:01:55 - 08:25:05 | 1800 |
| Entiat | 08:13:30 | -50.7 | Dark | Down | 31.1 | 245.9 | Up | 08:01:55 - 08:25:05 | 1779 |
| Wenatchee | 08:13:30 | -51.0 | Dark | Down | 31.3 | 246.0 | Up | 08:01:55 - 08:25:05 | 1756 |
| Ellensburg | 08:13:31 | -51.4 | Dark | Down | 31.6 | 246.0 | Up | 08:01:56 - 08:25:06 | 1719 |
| Yakima | 08:13:31 | -51.8 | Dark | Down | 31.7 | 246.2 | Up | 08:01:56 - 08:25:06 | 1678 |
| Toppenish/White Swan | 08:13:31 | -52.0 | Dark | Down | 31.7 | 246.5 | Up | 08:01:56 - 08:25:06 | 1650 |
| Goldendale | 08:13:33 | -52.6 | Dark | Down | 32.2 | 246.4 | Up | 08:01:58 - 08:25:08 | 1605 |
| Pasco | 08:13:29 | -52.0 | Dark | Down | 31.0 | 247.7 | Up | 08:01:54 - 08:25:04 | 1603 |
| The Dalles | 08:13:34 | -52.9 | Dark | Down | 32.5 | 246.2 | Up | 08:01:59 - 08:25:09 | 1593 |
| PNWRO | 08:13:28 | -52.2 | Dark | Down | 30.9 | 248.0 | Up | 08:01:53 - 08:25:03 | 1571 |
| Maupin | 08:13:34 | -53.3 | Dark | Down | 32.6 | 246.6 | Up | 08:01:59 - 08:25:09 | 1547 |
| Sisters | 08:13:36 | -54.2 | Dark | Down | 33.3 | 246.7 | Up | 08:02:01 - 08:25:11 | 1471 |
| Redmond | 08:13:36 | -54.2 | Dark | Down | 33.0 | 247.0 | Up | 08:02:01 - 08:25:11 | 1456 |
| Bend | 08:13:36 | -54.4 | Dark | Down | 33.2 | 247.0 | Up | 08:02:01 - 08:25:11 | 1438 |
| Oregon Observatory | 08:13:36 | -54.6 | Dark | Down | 33.4 | 247.0 | Up | 08:02:01 - 08:25:11 | 1424 |
| La Pine/Gilchrist | 08:13:37 | -54.8 | Dark | Down | 33.5 | 247.1 | Up | 08:02:02 - 08:25:12 | 1405 |
| North Lake | 08:13:36 | -55.2 | Dark | Down | 33.3 | 247.9 | Up | 08:02:01 - 08:25:11 | 1342 |
| Paisley | 08:13:36 | -55.7 | Dark | Down | 33.2 | 248.5 | Up | 08:02:01 - 08:25:11 | 1274 |
| Klamath Falls | 08:13:39 | -56.3 | Dark | Down | 34.2 | 247.8 | Up | 08:02:04 - 08:25:14 | 1264 |
| Lakeview | 08:13:36 | -56.1 | Dark | Down | 33.3 | 249.0 | Up | 08:02:01 - 08:25:11 | 1216 |
| Cedarville | 08:13:36 | -56.8 | Dark | Down | 33.4 | 249.6 | Up | 08:02:01 - 08:25:11 | 1143 |
| Fall River/Burney | 08:13:40 | -57.4 | Dark | Down | 34.4 | 248.9 | Up | 08:02:05 - 08:25:15 | 1131 |
| Susanville | 08:13:39 | -57.9 | Dark | Down | 34.1 | 249.9 | Up | 08:02:04 - 08:25:14 | 1042 |
| Greenville | 08:13:40 | -58.2 | Dark | Down | 34.4 | 249.8 | Up | 08:02:05 - 08:25:15 | 1023 |
| Gimple | 08:13:40 | -58.2 | Dark | Down | 34.3 | 249.9 | Up | 08:02:05 - 08:25:15 | 1020 |
| Quincy | 08:13:40 | -58.4 | Dark | Down | 34.5 | 249.9 | Up | 08:02:05 - 08:25:15 | 1002 |
| Portola | 08:13:39 | -58.5 | Dark | Down | 34.2 | 250.4 | Up | 08:02:04 - 08:25:14 | 974 |
| Reno | 08:13:38 | -58.6 | Dark | Down | 33.8 | 251.1 | Up | 08:02:03 - 08:25:13 | 926 |
| Carson City | 08:13:38 | -59.0 | Dark | Down | 33.9 | 251.3 | Up | 08:02:03 - 08:25:13 | 889 |
| Gardnerville | 08:13:39 | -59.2 | Dark | Down | 33.9 | 251.5 | Up | 08:02:04 - 08:25:14 | 862 |
| Yerington | 08:13:38 | -59.0 | Dark | Down | 33.5 | 252.0 | Up | 08:02:03 - 08:25:13 | 849 |
| Hawthorne | 08:13:36 | -59.4 | Dark | Down | 33.2 | 252.7 | Up | 08:02:01 - 08:25:11 | 785 |
| Lee Vining | 08:13:39 | -60.0 | Dark | Down | 33.8 | 252.7 | Up | 08:02:04 - 08:25:14 | 741 |
| Tonopah | 08:13:34 | -59.5 | Dark | Down | 32.3 | 254.0 | Up | 08:01:59 - 08:25:09 | 694 |
| Bishop | 08:13:38 | -60.4 | Dark | Down | 33.4 | 253.6 | Up | 08:02:03 - 08:25:13 | 657 |
| Niwot | 08:13:06 | -53.2 | Dark | Down | 22.8 | 261.6 | Low | 08:01:31 - 08:24:41 | 641 |
| SwRI | 08:13:06 | -53.4 | Dark | Down | 22.9 | 261.5 | Low | 08:01:31 - 08:24:41 | 632 |
| Beatty | 08:13:35 | -60.4 | Dark | Down | 32.3 | 255.1 | Up | 08:02:00 - 08:25:10 | 560 |
| CPSLO | 08:13:47 | -62.9 | Dark | Down | 35.7 | 253.3 | Up | 08:02:12 - 08:25:22 | 516 |
| Indian Springs | 08:13:33 | -60.4 | Dark | Down | 31.5 | 256.1 | Up | 08:01:58 - 08:25:08 | 495 |
| Henderson | 08:13:32 | -60.7 | Dark | Down | 31.1 | 256.9 | Up | 08:01:57 - 08:25:07 | 420 |
| Searchlight/Boulder City | 08:13:33 | -61.2 | Dark | Down | 31.2 | 257.2 | Up | 08:01:58 - 08:25:08 | 358 |
| Wildwood | 08:13:44 | -63.6 | Dark | Down | 34.4 | 255.6 | Up | 08:02:09 - 08:25:19 | 325 |
| Patrick | 08:13:30 | -60.8 | Dark | Down | 30.3 | 258.0 | Up | 08:01:55 - 08:25:05 | 324 |
| Laughlin/Bullhead City | 08:13:33 | -61.3 | Dark | Down | 31.0 | 257.7 | Up | 08:01:58 - 08:25:08 | 318 |
| Kingman/Dolan Springs | 08:13:31 | -61.1 | Dark | Down | 30.5 | 258.0 | Up | 08:01:56 - 08:25:06 | 306 |
| Mohave Valley | 08:13:33 | -61.6 | Dark | Down | 31.0 | 257.8 | Up | 08:01:58 - 08:25:08 | 289 |
| DCO | 08:13:29 | -60.8 | Dark | Down | 29.8 | 258.6 | Low | 08:01:54 - 08:25:04 | 274 |
| Lake Havasu City | 08:13:33 | -61.8 | Dark | Down | 30.9 | 258.2 | Up | 08:01:58 - 08:25:08 | 240 |
| Idyllwild | 08:13:40 | -63.4 | Dark | Down | 33.0 | 257.1 | Up | 08:02:05 - 08:25:15 | 229 |
| Parker | 08:13:34 | -62.1 | Dark | Down | 30.9 | 258.5 | Up | 08:01:59 - 08:25:09 | 203 |
| Blythe | 08:13:36 | -62.7 | Dark | Down | 31.3 | 258.6 | Up | 08:02:01 - 08:25:11 | 156 |
| Calipatria | 08:13:39 | -63.5 | Dark | Down | 32.1 | 258.3 | Up | 08:02:04 - 08:25:14 | 132 |
| George/Scottsdale | 08:13:29 | -61.5 | Dark | Down | 29.0 | 260.3 | Low | 08:01:54 - 08:25:04 | 95 |
| Yuma | 08:13:37 | -63.5 | Dark | Down | 31.5 | 259.1 | Up | 08:02:02 - 08:25:12 | 61 |
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 523727, (2023/10/16 08:19UT) Object RA Dec mag sep mel Markab 23:04:45.8 +15:12:18 2.5 12.44 130 30 Peg 22:20:27.5 +05:47:22 5.3 2.66 117 PPM 172935 22:20:55.9 +08:11:13 7.1 0.38 118 PPM 172946 22:21:12.8 +08:40:51 9.5 0.35 118 523727 22:22:08.4 +08:25:09 17.0 118 Positions are for J2000
Event circumstances last updated at 2019/11/13 21:35:35 UT
Marc W. Buie, Southwest Research Institute