Event between 15BM518 and star GA0800:04150046 with event index number of 185524
Geocentric closest approach at 2019/03/13 10:44:10 UTC
J2000 position of star is 11:49:36.0 -08:40:00
Equinox of date position of star is 11:50:34.6 -08:46:23
Stellar brightness G=15.3,
use SENSEUP=128
Star is 110 degrees from the moon.
Moon is 40% illuminated.
TNO apparent brightness V=21.9
[RECON map]
TNO is 35.3 AU from the Sun
and 34.3 AU from the Earth.
The TNO is moving 24.5
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 88 seconds.
The 1-sigma cross-track error in the shadow position is
1521 km.
The sky-plane scale is
24897.2 km/arcsec.
The TNO has an absolute magnitude Hv=6.4
Diameter=313.3 km assuming a 5% albedo -- 12.8 sec chord
Diameter=127.9 km assuming a 30% albedo -- 5.2 sec chord
Dynamical classification is 4:3E
Star training set for 15BM518, (2019/03/13 10:44UT) Object RA Dec mag sep mel Spica 13:26:12.4 -11:15:39 1.0 23.67 133 4Gam Crv 12:16:47.8 -17:38:54 2.6 10.93 118 PPM 194769 11:44:54.0 -06:47:03 6.1 2.44 108 PPM 194854 11:50:08.2 -08:57:11 8.5 0.21 110 PPM 194872 11:51:15.4 -08:42:18 9.1 0.18 110 15BM518 11:50:34.9 -08:46:24 15.3 110 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 10.3 km
RECON observability=1.0 and success probability=0.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 10:44:04 | -32.5 | Dark | Down | 24.0 | 218.4 | Low | 10:36:14 - 10:51:54 | 10912 |
| Summerland | 10:44:03 | -32.7 | Dark | Down | 24.2 | 218.0 | Low | 10:36:13 - 10:51:53 | 10905 |
| Penticton | 10:44:00 | -32.9 | Dark | Down | 24.3 | 218.3 | Low | 10:36:10 - 10:51:50 | 10896 |
| Okanagan Falls | 10:44:00 | -33.0 | Dark | Down | 24.5 | 218.3 | Low | 10:36:10 - 10:51:50 | 10888 |
| Oliver | 10:44:00 | -33.1 | Dark | Down | 24.6 | 218.4 | Low | 10:36:10 - 10:51:50 | 10882 |
| Anarchist Mountain Observatory | 10:43:59 | -33.1 | Dark | Down | 24.7 | 218.6 | Low | 10:36:09 - 10:51:49 | 10879 |
| Oroville | 10:43:59 | -33.2 | Dark | Down | 24.8 | 218.6 | Low | 10:36:09 - 10:51:49 | 10875 |
| Tonasket | 10:44:00 | -33.3 | Dark | Down | 24.9 | 218.6 | Low | 10:36:10 - 10:51:50 | 10865 |
| Okanogan | 10:44:00 | -33.6 | Dark | Down | 25.3 | 218.6 | Low | 10:36:10 - 10:51:50 | 10849 |
| Brewster | 10:43:59 | -33.9 | Dark | Down | 25.6 | 218.5 | Low | 10:36:09 - 10:51:49 | 10835 |
| Manson/Chelan | 10:43:59 | -34.2 | Dark | Down | 25.9 | 218.2 | Low | 10:36:09 - 10:51:49 | 10820 |
| Entiat | 10:43:58 | -34.4 | Dark | Down | 26.1 | 218.2 | Low | 10:36:08 - 10:51:48 | 10810 |
| Wenatchee | 10:43:57 | -34.6 | Dark | Down | 26.3 | 218.1 | Low | 10:36:07 - 10:51:47 | 10797 |
| Ellensburg | 10:43:58 | -35.0 | Dark | Down | 26.7 | 218.0 | Low | 10:36:08 - 10:51:48 | 10776 |
| Pasco | 10:43:53 | -34.8 | Dark | Down | 26.7 | 219.7 | Low | 10:36:03 - 10:51:43 | 10768 |
| PNWRO | 10:43:50 | -34.8 | Dark | Down | 26.8 | 220.0 | Low | 10:36:00 - 10:51:40 | 10761 |
| Yakima | 10:43:57 | -35.3 | Dark | Down | 27.1 | 218.1 | Low | 10:36:07 - 10:51:47 | 10758 |
| Toppenish/White Swan | 10:43:55 | -35.4 | Dark | Down | 27.2 | 218.4 | Low | 10:36:05 - 10:51:45 | 10751 |
| George/Umatilla | 10:43:51 | -35.1 | Dark | Down | 27.1 | 219.6 | Low | 10:36:01 - 10:51:41 | 10750 |
| Goldendale | 10:43:55 | -36.0 | Dark | Down | 27.8 | 218.1 | Low | 10:36:05 - 10:51:45 | 10719 |
| The Dalles | 10:43:55 | -36.3 | Dark | Down | 28.1 | 217.8 | Low | 10:36:05 - 10:51:45 | 10702 |
| Niwot | 10:43:00 | -29.4 | Dark | Down | 23.5 | 234.4 | Low | 10:35:10 - 10:50:50 | 10686 |
| Maupin | 10:43:54 | -36.5 | Dark | Down | 28.4 | 218.1 | Low | 10:36:04 - 10:51:44 | 10685 |
| SwRI | 10:43:00 | -29.5 | Dark | Down | 23.7 | 234.4 | Low | 10:35:10 - 10:50:50 | 10679 |
| Madras/Culver | 10:43:52 | -36.9 | Dark | Down | 28.9 | 218.2 | Low | 10:36:02 - 10:51:42 | 10658 |
| Redmond | 10:43:52 | -37.2 | Dark | Down | 29.2 | 218.3 | Low | 10:36:02 - 10:51:42 | 10640 |
| Sisters | 10:43:52 | -37.4 | Dark | Down | 29.3 | 217.9 | Low | 10:36:02 - 10:51:42 | 10634 |
| Bend | 10:43:50 | -37.4 | Dark | Down | 29.4 | 218.2 | Low | 10:36:00 - 10:51:40 | 10627 |
| Oregon Observatory | 10:43:51 | -37.6 | Dark | Down | 29.6 | 218.1 | Low | 10:36:01 - 10:51:41 | 10616 |
| La Pine/Gilchrist | 10:43:50 | -37.7 | Dark | Down | 29.8 | 218.1 | Low | 10:36:00 - 10:51:40 | 10605 |
| North Lake | 10:43:48 | -37.7 | Dark | Down | 29.9 | 218.9 | Low | 10:35:58 - 10:51:38 | 10595 |
| Paisley | 10:43:46 | -37.8 | Dark | Down | 30.1 | 219.5 | Up | 10:35:56 - 10:51:36 | 10574 |
| Lakeview | 10:43:44 | -38.0 | Dark | Down | 30.4 | 219.8 | Up | 10:35:54 - 10:51:34 | 10552 |
| Chiloquin | 10:43:50 | -38.6 | Dark | Down | 30.8 | 218.2 | Up | 10:36:00 - 10:51:40 | 10542 |
| Klamath Falls | 10:43:47 | -38.8 | Dark | Down | 31.1 | 218.4 | Up | 10:35:57 - 10:51:37 | 10526 |
| Cedarville | 10:43:42 | -38.3 | Dark | Down | 30.8 | 220.2 | Up | 10:35:52 - 10:51:32 | 10522 |
| Tulelake | 10:43:46 | -38.8 | Dark | Down | 31.1 | 218.8 | Up | 10:35:56 - 10:51:36 | 10518 |
| Fall River/Burney | 10:43:43 | -39.4 | Dark | Down | 31.8 | 219.2 | Up | 10:35:53 - 10:51:33 | 10472 |
| Susanville | 10:43:39 | -39.3 | Dark | Down | 31.9 | 220.2 | Up | 10:35:49 - 10:51:29 | 10453 |
| Gimple | 10:43:39 | -39.6 | Dark | Down | 32.3 | 220.1 | Up | 10:35:49 - 10:51:29 | 10434 |
| Greenville | 10:43:39 | -39.7 | Dark | Down | 32.3 | 220.0 | Up | 10:35:49 - 10:51:29 | 10432 |
| Portola | 10:43:38 | -39.6 | Dark | Down | 32.3 | 220.6 | Up | 10:35:48 - 10:51:28 | 10424 |
| Reno | 10:43:35 | -39.3 | Dark | Down | 32.2 | 221.4 | Up | 10:35:45 - 10:51:25 | 10422 |
| Quincy | 10:43:38 | -39.8 | Dark | Down | 32.4 | 220.1 | Up | 10:35:48 - 10:51:28 | 10421 |
| Yerington | 10:43:32 | -39.3 | Dark | Down | 32.3 | 222.2 | Up | 10:35:42 - 10:51:22 | 10404 |
| Carson City | 10:43:34 | -39.5 | Dark | Down | 32.4 | 221.5 | Up | 10:35:44 - 10:51:24 | 10403 |
| Gardnerville | 10:43:33 | -39.7 | Dark | Down | 32.6 | 221.7 | Up | 10:35:43 - 10:51:23 | 10390 |
| Tonopah | 10:43:25 | -38.5 | Dark | Down | 31.9 | 224.5 | Up | 10:35:35 - 10:51:15 | 10389 |
| Hawthorne | 10:43:29 | -39.2 | Dark | Down | 32.3 | 223.0 | Up | 10:35:39 - 10:51:19 | 10388 |
| Lee Vining | 10:43:30 | -39.8 | Dark | Down | 33.0 | 222.7 | Up | 10:35:40 - 10:51:20 | 10346 |
| Indian Springs | 10:43:16 | -38.3 | Dark | Down | 32.1 | 226.6 | Up | 10:35:26 - 10:51:06 | 10331 |
| Beatty | 10:43:21 | -38.8 | Dark | Down | 32.5 | 225.5 | Up | 10:35:31 - 10:51:11 | 10330 |
| Bishop | 10:43:27 | -39.7 | Dark | Down | 33.1 | 223.7 | Up | 10:35:37 - 10:51:17 | 10326 |
| Henderson | 10:43:13 | -38.1 | Dark | Down | 32.1 | 227.5 | Up | 10:35:23 - 10:51:03 | 10312 |
| Patrick | 10:43:08 | -37.6 | Dark | Down | 31.8 | 228.8 | Up | 10:35:18 - 10:50:58 | 10295 |
| DCO | 10:43:04 | -37.2 | Dark | Down | 31.6 | 229.6 | Up | 10:35:14 - 10:50:54 | 10289 |
| Lone Pine | 10:43:23 | -39.9 | Dark | Down | 33.4 | 224.3 | Up | 10:35:33 - 10:51:13 | 10288 |
| Searchlight/Boulder City | 10:43:10 | -38.3 | Dark | Down | 32.4 | 227.8 | Up | 10:35:20 - 10:51:00 | 10279 |
| Kingman/Dolan Springs | 10:43:08 | -37.8 | Dark | Down | 32.1 | 228.7 | Up | 10:35:18 - 10:50:58 | 10278 |
| Laughlin/Bullhead City | 10:43:08 | -38.2 | Dark | Down | 32.4 | 228.3 | Up | 10:35:18 - 10:50:58 | 10267 |
| Mohave Valley | 10:43:09 | -38.3 | Dark | Down | 32.6 | 228.4 | Up | 10:35:19 - 10:50:59 | 10251 |
| Lake Havasu City | 10:43:07 | -38.4 | Dark | Down | 32.7 | 228.8 | Up | 10:35:17 - 10:50:57 | 10230 |
| Parker | 10:43:06 | -38.5 | Dark | Down | 32.9 | 229.0 | Up | 10:35:16 - 10:50:56 | 10209 |
| Blythe | 10:43:05 | -39.0 | Dark | Down | 33.5 | 229.0 | Up | 10:35:15 - 10:50:55 | 10170 |
| CPSLO | 10:43:27 | -42.3 | Dark | Down | 35.8 | 222.4 | Up | 10:35:37 - 10:51:17 | 10155 |
| Idyllwild | 10:43:11 | -40.4 | Dark | Down | 34.7 | 227.0 | Up | 10:35:21 - 10:51:01 | 10137 |
| Wildwood | 10:43:17 | -41.6 | Dark | Down | 35.5 | 225.0 | Up | 10:35:27 - 10:51:07 | 10122 |
| Calipatria | 10:43:06 | -39.9 | Dark | Down | 34.4 | 228.4 | Up | 10:35:16 - 10:50:56 | 10121 |
| Yuma | 10:43:02 | -39.4 | Dark | Down | 34.1 | 229.4 | Up | 10:35:12 - 10:50:52 | 10110 |
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 15BM518, (2019/03/13 10:44UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 23.67 133 4Gam Crv 12:15:48.2 -17:32:31 2.6 10.93 118 PPM 194769 11:43:55.2 -06:40:39 6.1 2.44 108 PPM 194854 11:49:09.3 -08:50:46 8.5 0.21 110 PPM 194872 11:50:16.5 -08:35:54 9.1 0.18 110 15BM518 11:49:36.0 -08:40:00 15.3 110 Positions are for J2000
Event circumstances last updated at 2019/02/12 06:42:25 UT
Marc W. Buie, Southwest Research Institute