Event between 10LB136 and star GA0720:32289520 with event index number of 322935
Geocentric closest approach at 2019/09/07 05:51:49 UTC
J2000 position of star is 19:39:09.7 -17:04:20
Equinox of date position of star is 19:40:16.6 -17:01:36
Stellar brightness G=16.4,
use SENSEUP=128
Star is 26 degrees from the moon.
Moon is 62% illuminated.
TNO apparent brightness V=21.1
[RECON map]
TNO is 29.0 AU from the Sun
and 28.4 AU from the Earth.
The TNO is moving 12.8
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 136 seconds.
The 1-sigma cross-track error in the shadow position is
1216 km.
The sky-plane scale is
20567.0 km/arcsec.
The TNO has an absolute magnitude Hv=6.4
Diameter=313.3 km assuming a 5% albedo -- 24.4 sec chord
Diameter=127.9 km assuming a 30% albedo -- 10.0 sec chord
Dynamical classification is 3:2E
Star training set for 10LB136, (2019/09/07 05:52UT) Object RA Dec mag sep mel Antares 16:30:37.0 -26:28:26 0.9 44.79 19 Nunki 18:56:29.1 -26:16:14 2.0 13.74 16 55 Sgr 19:43:38.6 -16:04:35 5.1 1.24 27 PPM 236293 19:40:20.2 -16:51:47 6.7 0.16 26 PPM 236279 19:39:50.8 -17:02:54 8.9 0.11 26 10LB136 19:40:17.5 -17:01:34 16.4 27 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 12.9 km
RECON observability=1.0 and success probability=1.4%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 05:47:17 | -27.4 | Dark | Up | 21.0 | 199.1 | Low | 05:35:28 - 05:59:06 | 4975 |
| Summerland | 05:47:18 | -27.5 | Dark | Up | 21.4 | 198.9 | Low | 05:35:29 - 05:59:07 | 4969 |
| Penticton | 05:47:18 | -27.6 | Dark | Up | 21.4 | 199.0 | Low | 05:35:29 - 05:59:07 | 4962 |
| Okanagan Falls | 05:47:17 | -27.8 | Dark | Up | 21.6 | 199.0 | Low | 05:35:28 - 05:59:06 | 4952 |
| Oliver | 05:47:17 | -27.9 | Dark | Up | 21.7 | 199.1 | Low | 05:35:28 - 05:59:06 | 4943 |
| Anarchist Mountain Observatory | 05:47:17 | -28.1 | Dark | Up | 21.9 | 199.3 | Low | 05:35:28 - 05:59:06 | 4927 |
| Oroville | 05:47:17 | -28.2 | Dark | Up | 21.9 | 199.2 | Low | 05:35:28 - 05:59:06 | 4926 |
| Tonasket | 05:47:17 | -28.3 | Dark | Up | 22.2 | 199.2 | Low | 05:35:28 - 05:59:06 | 4913 |
| Okanogan | 05:47:17 | -28.6 | Dark | Up | 22.5 | 199.1 | Low | 05:35:28 - 05:59:06 | 4901 |
| Manson/Chelan | 05:47:19 | -28.7 | Dark | Up | 23.1 | 198.6 | Low | 05:35:30 - 05:59:08 | 4894 |
| Brewster | 05:47:17 | -28.7 | Dark | Up | 22.8 | 199.0 | Low | 05:35:28 - 05:59:06 | 4893 |
| Entiat | 05:47:20 | -28.9 | Dark | Up | 23.3 | 198.6 | Low | 05:35:31 - 05:59:09 | 4885 |
| Wenatchee | 05:47:21 | -29.0 | Dark | Up | 23.6 | 198.5 | Low | 05:35:32 - 05:59:10 | 4874 |
| Ellensburg | 05:47:22 | -29.2 | Dark | Up | 24.0 | 198.4 | Low | 05:35:33 - 05:59:11 | 4859 |
| Yakima | 05:47:22 | -29.6 | Dark | Up | 24.4 | 198.4 | Low | 05:35:33 - 05:59:11 | 4837 |
| Toppenish/White Swan | 05:47:21 | -29.8 | Dark | Up | 24.6 | 198.6 | Low | 05:35:32 - 05:59:10 | 4819 |
| The Dalles | 05:47:25 | -30.1 | Dark | Up | 25.5 | 197.9 | Low | 05:35:36 - 05:59:14 | 4803 |
| Goldendale | 05:47:24 | -30.0 | Dark | Up | 25.2 | 198.3 | Low | 05:35:35 - 05:59:13 | 4803 |
| Maupin | 05:47:24 | -30.4 | Dark | Up | 25.9 | 198.1 | Low | 05:35:35 - 05:59:13 | 4776 |
| Pasco | 05:47:15 | -30.4 | Dark | Up | 24.4 | 199.9 | Low | 05:35:26 - 05:59:04 | 4767 |
| George/Umatilla | 05:47:16 | -30.6 | Dark | Up | 24.8 | 199.7 | Low | 05:35:27 - 05:59:05 | 4756 |
| Madras/Culver | 05:47:25 | -30.8 | Dark | Up | 26.4 | 198.1 | Low | 05:35:36 - 05:59:14 | 4745 |
| PNWRO | 05:47:14 | -30.7 | Dark | Up | 24.6 | 200.2 | Low | 05:35:25 - 05:59:03 | 4744 |
| Sisters | 05:47:26 | -30.9 | Dark | Up | 26.8 | 197.7 | Low | 05:35:37 - 05:59:15 | 4742 |
| Redmond | 05:47:24 | -31.1 | Dark | Up | 26.7 | 198.1 | Low | 05:35:35 - 05:59:13 | 4726 |
| Bend | 05:47:26 | -31.2 | Dark | Up | 27.0 | 198.0 | Low | 05:35:37 - 05:59:15 | 4719 |
| Oregon Observatory | 05:47:26 | -31.2 | Dark | Up | 27.2 | 197.9 | Low | 05:35:37 - 05:59:15 | 4713 |
| La Pine/Gilchrist | 05:47:27 | -31.4 | Dark | Up | 27.4 | 197.9 | Low | 05:35:38 - 05:59:16 | 4704 |
| North Lake | 05:47:23 | -32.0 | Dark | Up | 27.7 | 198.6 | Low | 05:35:34 - 05:59:12 | 4655 |
| Chiloquin | 05:47:28 | -32.0 | Dark | Up | 28.5 | 197.7 | Low | 05:35:39 - 05:59:17 | 4650 |
| Klamath Falls | 05:47:29 | -32.3 | Dark | Up | 28.8 | 197.9 | Low | 05:35:40 - 05:59:18 | 4626 |
| Paisley | 05:47:21 | -32.6 | Dark | Up | 28.1 | 199.0 | Low | 05:35:32 - 05:59:10 | 4608 |
| Tulelake | 05:47:27 | -32.7 | Dark | Up | 29.0 | 198.2 | Low | 05:35:38 - 05:59:16 | 4598 |
| Lakeview | 05:47:21 | -33.0 | Dark | Up | 28.5 | 199.3 | Low | 05:35:32 - 05:59:10 | 4570 |
| Fall River/Burney | 05:47:27 | -33.4 | Dark | Up | 29.9 | 198.5 | Low | 05:35:38 - 05:59:16 | 4539 |
| Cedarville | 05:47:20 | -33.6 | Dark | Up | 29.1 | 199.6 | Low | 05:35:31 - 05:59:09 | 4522 |
| Susanville | 05:47:23 | -34.2 | Dark | Up | 30.3 | 199.4 | Up | 05:35:34 - 05:59:12 | 4470 |
| Greenville | 05:47:25 | -34.3 | Dark | Up | 30.6 | 199.1 | Up | 05:35:36 - 05:59:14 | 4464 |
| Gimple | 05:47:25 | -34.3 | Dark | Up | 30.6 | 199.2 | Up | 05:35:36 - 05:59:14 | 4460 |
| Quincy | 05:47:25 | -34.5 | Dark | Up | 30.8 | 199.1 | Up | 05:35:36 - 05:59:14 | 4450 |
| Portola | 05:47:24 | -34.8 | Dark | Up | 30.8 | 199.7 | Up | 05:35:35 - 05:59:13 | 4424 |
| Reno | 05:47:19 | -35.3 | Dark | Up | 30.9 | 200.4 | Up | 05:35:30 - 05:59:08 | 4381 |
| Carson City | 05:47:19 | -35.6 | Dark | Up | 31.2 | 200.5 | Up | 05:35:30 - 05:59:08 | 4356 |
| Gardnerville | 05:47:17 | -35.8 | Dark | Up | 31.4 | 200.6 | Up | 05:35:28 - 05:59:06 | 4338 |
| Yerington | 05:47:15 | -36.1 | Dark | Up | 31.2 | 201.2 | Up | 05:35:26 - 05:59:04 | 4318 |
| Hawthorne | 05:47:13 | -36.7 | Dark | Up | 31.5 | 201.9 | Up | 05:35:24 - 05:59:02 | 4265 |
| Lee Vining | 05:47:16 | -36.9 | Dark | Up | 32.2 | 201.5 | Up | 05:35:27 - 05:59:05 | 4247 |
| Bishop | 05:47:12 | -37.7 | Dark | Up | 32.5 | 202.4 | Up | 05:35:23 - 05:59:01 | 4176 |
| Tonopah | 05:47:06 | -37.7 | Dark | Up | 31.5 | 203.5 | Up | 05:35:17 - 05:58:55 | 4176 |
| CPSLO | 05:47:27 | -38.0 | Dark | Up | 35.1 | 200.5 | Up | 05:35:38 - 05:59:16 | 4126 |
| Lone Pine | 05:47:12 | -38.4 | Dark | Up | 33.1 | 202.9 | Up | 05:35:23 - 05:59:01 | 4109 |
| Beatty | 05:47:03 | -38.8 | Dark | Up | 32.4 | 204.2 | Up | 05:35:14 - 05:58:52 | 4076 |
| Indian Springs | 05:46:57 | -39.6 | Dark | Up | 32.4 | 205.4 | Up | 05:35:08 - 05:58:46 | 4008 |
| Wildwood | 05:47:16 | -40.0 | Dark | Up | 35.6 | 203.0 | Up | 05:35:27 - 05:59:05 | 3952 |
| Henderson | 05:46:53 | -40.4 | Dark | Up | 32.6 | 206.3 | Up | 05:35:04 - 05:58:42 | 3940 |
| Searchlight/Boulder City | 05:46:54 | -40.9 | Dark | Up | 33.1 | 206.5 | Up | 05:35:05 - 05:58:43 | 3896 |
| Laughlin/Bullhead City | 05:46:52 | -41.3 | Dark | Up | 33.2 | 207.0 | Up | 05:35:03 - 05:58:41 | 3859 |
| Patrick | 05:46:48 | -41.4 | Dark | Up | 32.8 | 207.6 | Up | 05:34:59 - 05:58:37 | 3847 |
| Idyllwild | 05:47:04 | -41.3 | Dark | Up | 35.3 | 205.2 | Up | 05:35:15 - 05:58:53 | 3845 |
| Mohave Valley | 05:46:52 | -41.5 | Dark | Up | 33.5 | 207.1 | Up | 05:35:03 - 05:58:41 | 3839 |
| Kingman/Dolan Springs | 05:46:50 | -41.5 | Dark | Up | 33.0 | 207.5 | Up | 05:35:01 - 05:58:39 | 3838 |
| Niwot | 05:46:05 | -40.8 | Dark | Up | 25.3 | 214.7 | Low | 05:34:16 - 05:57:54 | 3828 |
| SwRI | 05:46:05 | -40.8 | Dark | Up | 25.4 | 214.6 | Low | 05:34:16 - 05:57:54 | 3825 |
| Lake Havasu City | 05:46:51 | -41.9 | Dark | Up | 33.7 | 207.4 | Up | 05:35:02 - 05:58:40 | 3798 |
| DCO | 05:46:44 | -42.0 | Dark | Up | 32.8 | 208.4 | Up | 05:34:55 - 05:58:33 | 3794 |
| Parker | 05:46:50 | -42.2 | Dark | Up | 34.1 | 207.6 | Up | 05:35:01 - 05:58:39 | 3771 |
| Calipatria | 05:46:59 | -42.4 | Dark | Up | 35.4 | 206.6 | Up | 05:35:10 - 05:58:48 | 3748 |
| Blythe | 05:46:53 | -42.5 | Dark | Up | 34.6 | 207.4 | Up | 05:35:04 - 05:58:42 | 3744 |
| Yuma | 05:46:53 | -43.2 | Dark | Up | 35.5 | 207.7 | Up | 05:35:04 - 05:58:42 | 3675 |
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 10LB136, (2019/09/07 05:52UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 44.79 19 Nunki 18:55:15.9 -26:17:49 2.0 13.74 16 55 Sgr 19:42:31.2 -16:07:27 5.1 1.24 27 PPM 236293 19:39:12.4 -16:54:33 6.7 0.16 26 PPM 236279 19:38:43.0 -17:05:39 8.9 0.11 26 10LB136 19:39:09.7 -17:04:20 16.4 26 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:38:41 UT
Marc W. Buie, Southwest Research Institute