Event between (523764) 14WC510 and star GA0920:01253686 with event index number of 348145
Geocentric closest approach at 2019/11/01 11:05:45 UTC
J2000 position of star is 06:17:36.0 +03:49:52
Equinox of date position of star is 06:18:37.5 +03:49:21
Stellar brightness G=12.7,
use SENSEUP=16
Star is 161 degrees from the moon.
Moon is 22% illuminated.
TNO apparent brightness V=22.2
[RECON map]
TNO is 30.3 AU from the Sun
and 29.8 AU from the Earth.
The TNO is moving 14.1
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 99 seconds.
The 1-sigma cross-track error in the shadow position is
1277 km.
The sky-plane scale is
21619.1 km/arcsec.
The TNO has an absolute magnitude Hv=7.2
Diameter=218.8 km assuming a 5% albedo -- 15.6 sec chord
Diameter=89.3 km assuming a 30% albedo -- 6.4 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 523764, (2019/11/01 11:06UT) Object RA Dec mag sep mel Betelgeuse 05:56:14.8 +07:24:33 0.4 6.63 163 34Del Ori 05:33:01.3 -00:17:09 2.2 12.12 154 PPM 150225 06:18:19.2 +05:05:32 6.1 1.27 162 PPM 150256 06:19:19.6 +03:58:31 8.4 0.23 161 523764 06:18:38.8 +03:49:21 12.7 161 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 14.3 km
RECON observability=1.0 and success probability=2.4%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 11:03:12 | -35.9 | Dark | Down | 43.5 | 169.6 | Up | 10:54:27 - 11:11:57 | 4870 |
| Summerland | 11:03:14 | -36.2 | Dark | Down | 43.8 | 169.2 | Up | 10:54:29 - 11:11:59 | 4865 |
| Penticton | 11:03:16 | -36.2 | Dark | Down | 43.8 | 169.3 | Up | 10:54:31 - 11:12:01 | 4857 |
| Okanagan Falls | 11:03:15 | -36.3 | Dark | Down | 44.0 | 169.3 | Up | 10:54:30 - 11:12:00 | 4847 |
| Oliver | 11:03:15 | -36.3 | Dark | Down | 44.2 | 169.3 | Up | 10:54:30 - 11:12:00 | 4837 |
| Anarchist Mountain Observatory | 11:03:15 | -36.3 | Dark | Down | 44.4 | 169.5 | Up | 10:54:30 - 11:12:00 | 4818 |
| Oroville | 11:03:16 | -36.3 | Dark | Down | 44.4 | 169.4 | Up | 10:54:31 - 11:12:01 | 4817 |
| Tonasket | 11:03:17 | -36.4 | Dark | Down | 44.7 | 169.4 | Up | 10:54:32 - 11:12:02 | 4804 |
| Okanogan | 11:03:18 | -36.6 | Dark | Down | 45.0 | 169.1 | Up | 10:54:33 - 11:12:03 | 4790 |
| Manson/Chelan | 11:03:23 | -37.1 | Dark | Down | 45.4 | 168.2 | Up | 10:54:38 - 11:12:08 | 4787 |
| Brewster | 11:03:20 | -36.8 | Dark | Down | 45.2 | 168.8 | Up | 10:54:35 - 11:12:05 | 4783 |
| Entiat | 11:03:24 | -37.3 | Dark | Down | 45.6 | 168.1 | Up | 10:54:39 - 11:12:09 | 4777 |
| Wenatchee | 11:03:25 | -37.4 | Dark | Down | 45.8 | 167.9 | Up | 10:54:40 - 11:12:10 | 4767 |
| Ellensburg | 11:03:28 | -37.7 | Dark | Down | 46.2 | 167.5 | Up | 10:54:43 - 11:12:13 | 4752 |
| Yakima | 11:03:29 | -37.9 | Dark | Down | 46.6 | 167.4 | Up | 10:54:44 - 11:12:14 | 4728 |
| Toppenish/White Swan | 11:03:29 | -37.8 | Dark | Down | 46.8 | 167.6 | Up | 10:54:44 - 11:12:14 | 4708 |
| The Dalles | 11:03:36 | -38.6 | Dark | Down | 47.5 | 166.3 | Up | 10:54:51 - 11:12:21 | 4697 |
| Goldendale | 11:03:35 | -38.3 | Dark | Down | 47.3 | 166.9 | Up | 10:54:50 - 11:12:20 | 4694 |
| Maupin | 11:03:39 | -38.7 | Dark | Down | 47.9 | 166.4 | Up | 10:54:54 - 11:12:24 | 4666 |
| Pasco | 11:03:26 | -37.1 | Dark | Down | 47.1 | 169.4 | Up | 10:54:41 - 11:12:11 | 4644 |
| Sisters | 11:03:43 | -39.3 | Dark | Down | 48.7 | 165.4 | Up | 10:54:58 - 11:12:28 | 4635 |
| Madras/Culver | 11:03:40 | -38.9 | Dark | Down | 48.4 | 166.2 | Up | 10:54:55 - 11:12:25 | 4635 |
| George/Umatilla | 11:03:28 | -37.3 | Dark | Down | 47.4 | 169.0 | Up | 10:54:43 - 11:12:13 | 4633 |
| PNWRO | 11:03:26 | -37.0 | Dark | Down | 47.4 | 169.7 | Up | 10:54:41 - 11:12:11 | 4619 |
| Redmond | 11:03:45 | -39.0 | Dark | Down | 48.8 | 166.0 | Up | 10:55:00 - 11:12:30 | 4615 |
| Bend | 11:03:43 | -39.2 | Dark | Down | 48.9 | 165.7 | Up | 10:54:58 - 11:12:28 | 4608 |
| Oregon Observatory | 11:03:45 | -39.4 | Dark | Down | 49.1 | 165.5 | Up | 10:55:00 - 11:12:30 | 4604 |
| La Pine/Gilchrist | 11:03:47 | -39.5 | Dark | Down | 49.3 | 165.4 | Up | 10:55:02 - 11:12:32 | 4594 |
| Chiloquin | 11:03:52 | -40.1 | Dark | Down | 50.3 | 164.5 | Up | 10:55:07 - 11:12:37 | 4540 |
| North Lake | 11:03:45 | -39.2 | Dark | Down | 49.8 | 166.1 | Up | 10:55:00 - 11:12:30 | 4538 |
| Klamath Falls | 11:03:55 | -40.1 | Dark | Down | 50.6 | 164.6 | Up | 10:55:10 - 11:12:40 | 4515 |
| Paisley | 11:03:47 | -39.1 | Dark | Down | 50.4 | 166.5 | Up | 10:55:02 - 11:12:32 | 4486 |
| Tulelake | 11:03:53 | -40.0 | Dark | Down | 50.9 | 164.9 | Up | 10:55:08 - 11:12:38 | 4483 |
| Lakeview | 11:03:46 | -39.1 | Dark | Down | 50.9 | 166.7 | Up | 10:55:01 - 11:12:31 | 4444 |
| Fall River/Burney | 11:03:57 | -40.2 | Dark | Down | 51.8 | 164.8 | Up | 10:55:12 - 11:12:42 | 4420 |
| Cedarville | 11:03:49 | -39.2 | Dark | Down | 51.6 | 166.8 | Up | 10:55:04 - 11:12:34 | 4393 |
| Susanville | 11:03:56 | -39.9 | Dark | Down | 52.6 | 165.7 | Up | 10:55:11 - 11:12:41 | 4342 |
| Greenville | 11:03:58 | -40.1 | Dark | Down | 52.8 | 165.2 | Up | 10:55:13 - 11:12:43 | 4338 |
| Gimple | 11:03:57 | -40.1 | Dark | Down | 52.8 | 165.3 | Up | 10:55:12 - 11:12:42 | 4334 |
| Quincy | 11:03:59 | -40.2 | Dark | Down | 53.0 | 165.1 | Up | 10:55:14 - 11:12:44 | 4325 |
| Portola | 11:03:58 | -39.9 | Dark | Down | 53.2 | 165.9 | Up | 10:55:13 - 11:12:43 | 4293 |
| Reno | 11:03:57 | -39.5 | Dark | Down | 53.6 | 166.8 | Up | 10:55:12 - 11:12:42 | 4243 |
| Carson City | 11:03:57 | -39.5 | Dark | Down | 54.0 | 166.8 | Up | 10:55:12 - 11:12:42 | 4217 |
| Gardnerville | 11:03:57 | -39.6 | Dark | Down | 54.2 | 166.8 | Up | 10:55:12 - 11:12:42 | 4198 |
| Yerington | 11:03:54 | -39.1 | Dark | Down | 54.2 | 167.8 | Up | 10:55:09 - 11:12:39 | 4172 |
| Hawthorne | 11:03:54 | -38.8 | Dark | Down | 54.8 | 168.5 | Up | 10:55:09 - 11:12:39 | 4113 |
| Lee Vining | 11:03:58 | -39.3 | Dark | Down | 55.3 | 167.5 | Up | 10:55:13 - 11:12:43 | 4098 |
| Bishop | 11:03:59 | -38.9 | Dark | Down | 56.0 | 168.6 | Up | 10:55:14 - 11:12:44 | 4019 |
| Tonopah | 11:03:48 | -37.9 | Dark | Down | 55.4 | 170.8 | Up | 10:55:03 - 11:12:33 | 4009 |
| CPSLO | 11:04:20 | -41.1 | Dark | Down | 57.6 | 164.0 | Up | 10:55:35 - 11:13:05 | 3988 |
| Lone Pine | 11:04:00 | -38.8 | Dark | Down | 56.8 | 169.0 | Up | 10:55:15 - 11:12:45 | 3947 |
| Beatty | 11:03:54 | -37.7 | Dark | Down | 56.6 | 171.4 | Up | 10:55:09 - 11:12:39 | 3902 |
| Indian Springs | 11:03:47 | -37.0 | Dark | Down | 57.1 | 173.2 | Up | 10:55:02 - 11:12:32 | 3822 |
| Wildwood | 11:04:14 | -39.6 | Dark | Down | 59.1 | 167.3 | Up | 10:55:29 - 11:12:59 | 3791 |
| Henderson | 11:03:46 | -36.5 | Dark | Down | 57.7 | 174.4 | Up | 10:55:01 - 11:12:31 | 3747 |
| Searchlight/Boulder City | 11:03:49 | -36.5 | Dark | Down | 58.3 | 174.5 | Up | 10:55:04 - 11:12:34 | 3700 |
| Idyllwild | 11:04:04 | -38.2 | Dark | Down | 59.8 | 170.8 | Up | 10:55:19 - 11:12:49 | 3664 |
| Laughlin/Bullhead City | 11:03:47 | -36.3 | Dark | Down | 58.6 | 175.1 | Up | 10:55:02 - 11:12:32 | 3660 |
| Patrick | 11:03:45 | -35.7 | Dark | Down | 58.4 | 176.4 | Up | 10:55:00 - 11:12:30 | 3641 |
| Mohave Valley | 11:03:49 | -36.3 | Dark | Down | 58.8 | 175.1 | Up | 10:55:04 - 11:12:34 | 3639 |
| Kingman/Dolan Springs | 11:03:45 | -35.9 | Dark | Down | 58.6 | 176.0 | Up | 10:55:00 - 11:12:30 | 3634 |
| Lake Havasu City | 11:03:50 | -36.2 | Dark | Down | 59.3 | 175.5 | Up | 10:55:05 - 11:12:35 | 3595 |
| DCO | 11:03:39 | -35.2 | Dark | Down | 58.7 | 177.7 | Up | 10:54:54 - 11:12:24 | 3581 |
| Parker | 11:03:50 | -36.2 | Dark | Down | 59.6 | 175.5 | Up | 10:55:05 - 11:12:35 | 3566 |
| Niwot | 11:02:42 | -28.5 | Dark | Down | 53.2 | 191.0 | Up | 10:53:57 - 11:11:27 | 3566 |
| SwRI | 11:02:45 | -28.6 | Dark | Down | 53.4 | 190.9 | Up | 10:54:00 - 11:11:30 | 3563 |
| Calipatria | 11:04:02 | -37.3 | Dark | Down | 60.5 | 173.0 | Up | 10:55:17 - 11:12:47 | 3554 |
| Blythe | 11:03:55 | -36.5 | Dark | Down | 60.1 | 174.9 | Up | 10:55:10 - 11:12:40 | 3542 |
| Yuma | 11:03:59 | -36.6 | Dark | Down | 61.0 | 174.7 | Up | 10:55:14 - 11:12:44 | 3472 |
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 523764, (2019/11/01 11:06UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 6.63 163 34Del Ori 05:32:00.4 -00:17:57 2.2 12.12 154 PPM 150225 06:17:15.8 +05:06:03 6.1 1.27 162 PPM 150256 06:18:16.8 +03:59:04 8.4 0.23 161 523764 06:17:36.0 +03:49:52 12.7 161 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:50:23 UT
Marc W. Buie, Southwest Research Institute