Event between 07LG38 and star GA0920:05855059 with event index number of 217393
Geocentric closest approach at 2019/10/12 04:15:44 UTC
J2000 position of star is 17:56:09.2 +02:05:01
Equinox of date position of star is 17:57:08.0 +02:04:56
Stellar brightness G=14.7,
use SENSEUP=128
Star is 93 degrees from the moon.
Moon is 97% illuminated.
TNO apparent brightness V=23.6
[RECON map]
TNO is 35.3 AU from the Sun
and 35.5 AU from the Earth.
The TNO is moving 21.0
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 173 seconds.
The 1-sigma cross-track error in the shadow position is
3971 km.
The sky-plane scale is
25775.3 km/arcsec.
The TNO has an absolute magnitude Hv=7.9
Diameter=160.0 km assuming a 5% albedo -- 7.6 sec chord
Diameter=65.3 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is 5:2EEE
Star training set for 07LG38, (2019/10/12 04:16UT) Object RA Dec mag sep mel Antares 16:30:37.4 -26:28:27 0.9 35.38 109 60Bet Oph 17:44:27.0 +04:33:38 2.8 4.02 96 PPM 164858 17:57:18.8 +00:40:08 5.7 1.41 93 PPM 164835 17:56:37.4 +02:04:23 7.4 0.13 93 PPM 164848 17:57:08.3 +02:04:01 10.5 0.02 93 07LG38 17:57:09.0 +02:04:56 14.7 93 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 2.9 km
RECON observability=1.0 and success probability=0.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Niwot | 04:16:16 | -43.0 | Dark | Up | 16.3 | 258.6 | Really Low | 04:01:23 - 04:31:09 | 10539 |
| SwRI | 04:16:15 | -42.9 | Dark | Up | 16.4 | 258.6 | Really Low | 04:01:22 - 04:31:08 | 10535 |
| Kelowna | 04:15:09 | -29.2 | Dark | Up | 22.9 | 243.8 | Low | 04:00:16 - 04:30:02 | 10292 |
| Anarchist Mountain Observatory | 04:15:13 | -29.6 | Dark | Up | 23.3 | 244.2 | Low | 04:00:20 - 04:30:06 | 10286 |
| Penticton | 04:15:12 | -29.3 | Dark | Up | 23.2 | 243.8 | Low | 04:00:19 - 04:30:05 | 10285 |
| Oroville | 04:15:15 | -29.6 | Dark | Up | 23.4 | 244.2 | Low | 04:00:22 - 04:30:08 | 10283 |
| Okanagan Falls | 04:15:12 | -29.3 | Dark | Up | 23.3 | 243.9 | Low | 04:00:19 - 04:30:05 | 10283 |
| Summerland | 04:15:11 | -29.2 | Dark | Up | 23.2 | 243.7 | Low | 04:00:18 - 04:30:04 | 10282 |
| Oliver | 04:15:12 | -29.4 | Dark | Up | 23.3 | 244.0 | Low | 04:00:19 - 04:30:05 | 10282 |
| Tonasket | 04:15:14 | -29.7 | Dark | Up | 23.5 | 244.3 | Low | 04:00:21 - 04:30:07 | 10281 |
| Okanogan | 04:15:17 | -29.8 | Dark | Up | 23.7 | 244.3 | Low | 04:00:24 - 04:30:10 | 10274 |
| PNWRO | 04:15:28 | -31.2 | Dark | Up | 24.2 | 245.9 | Low | 04:00:35 - 04:30:21 | 10267 |
| Brewster | 04:15:17 | -29.8 | Dark | Up | 23.9 | 244.2 | Low | 04:00:24 - 04:30:10 | 10265 |
| Pasco | 04:15:27 | -31.0 | Dark | Up | 24.3 | 245.6 | Low | 04:00:34 - 04:30:20 | 10263 |
| George/Umatilla | 04:15:28 | -31.0 | Dark | Up | 24.5 | 245.5 | Low | 04:00:35 - 04:30:21 | 10252 |
| Manson/Chelan | 04:15:18 | -29.6 | Dark | Up | 24.2 | 244.0 | Low | 04:00:25 - 04:30:11 | 10251 |
| Entiat | 04:15:18 | -29.7 | Dark | Up | 24.4 | 244.0 | Low | 04:00:25 - 04:30:11 | 10247 |
| Wenatchee | 04:15:20 | -29.7 | Dark | Up | 24.5 | 244.0 | Low | 04:00:27 - 04:30:13 | 10241 |
| Ellensburg | 04:15:22 | -29.8 | Dark | Up | 24.9 | 244.0 | Low | 04:00:29 - 04:30:15 | 10229 |
| Toppenish/White Swan | 04:15:26 | -30.1 | Dark | Up | 25.0 | 244.4 | Low | 04:00:33 - 04:30:19 | 10225 |
| Yakima | 04:15:23 | -29.9 | Dark | Up | 25.0 | 244.2 | Low | 04:00:30 - 04:30:16 | 10223 |
| DCO | 04:16:31 | -39.8 | Dark | Up | 23.6 | 255.0 | Low | 04:01:38 - 04:31:24 | 10209 |
| Goldendale | 04:15:27 | -30.1 | Dark | Up | 25.5 | 244.3 | Low | 04:00:34 - 04:30:20 | 10204 |
| Patrick | 04:16:29 | -39.1 | Dark | Up | 24.0 | 254.4 | Low | 04:01:36 - 04:31:22 | 10196 |
| The Dalles | 04:15:28 | -29.9 | Dark | Up | 25.9 | 244.1 | Low | 04:00:35 - 04:30:21 | 10188 |
| Maupin | 04:15:29 | -30.1 | Dark | Up | 26.0 | 244.4 | Low | 04:00:36 - 04:30:22 | 10185 |
| Kingman/Dolan Springs | 04:16:29 | -39.1 | Dark | Up | 24.3 | 254.4 | Low | 04:01:36 - 04:31:22 | 10183 |
| Henderson | 04:16:22 | -38.0 | Dark | Up | 24.8 | 253.4 | Low | 04:01:29 - 04:31:15 | 10178 |
| Madras/Culver | 04:15:31 | -30.3 | Dark | Up | 26.2 | 244.6 | Low | 04:00:38 - 04:30:24 | 10174 |
| Indian Springs | 04:16:21 | -37.3 | Dark | Up | 25.1 | 252.6 | Low | 04:01:28 - 04:31:14 | 10171 |
| Redmond | 04:15:34 | -30.4 | Dark | Up | 26.4 | 244.7 | Low | 04:00:41 - 04:30:27 | 10166 |
| Laughlin/Bullhead City | 04:16:27 | -38.7 | Dark | Up | 24.7 | 254.1 | Low | 04:01:34 - 04:31:20 | 10166 |
| Searchlight/Boulder City | 04:16:26 | -38.3 | Dark | Up | 24.9 | 253.7 | Low | 04:01:33 - 04:31:19 | 10164 |
| Tonopah | 04:16:09 | -35.6 | Dark | Up | 25.9 | 250.8 | Low | 04:01:16 - 04:31:02 | 10161 |
| Bend | 04:15:34 | -30.4 | Dark | Up | 26.6 | 244.7 | Low | 04:00:41 - 04:30:27 | 10158 |
| Paisley | 04:15:43 | -31.5 | Dark | Up | 26.6 | 246.0 | Low | 04:00:50 - 04:30:36 | 10158 |
| Mohave Valley | 04:16:29 | -38.8 | Dark | Up | 24.7 | 254.2 | Low | 04:01:36 - 04:31:22 | 10158 |
| North Lake | 04:15:39 | -31.0 | Dark | Up | 26.6 | 245.4 | Low | 04:00:46 - 04:30:32 | 10156 |
| Lakeview | 04:15:45 | -31.8 | Dark | Up | 26.7 | 246.4 | Low | 04:00:52 - 04:30:38 | 10154 |
| Sisters | 04:15:33 | -30.2 | Dark | Up | 26.6 | 244.4 | Low | 04:00:40 - 04:30:26 | 10153 |
| Lake Havasu City | 04:16:33 | -39.1 | Dark | Up | 24.6 | 254.5 | Low | 04:01:40 - 04:31:26 | 10153 |
| Oregon Observatory | 04:15:36 | -30.4 | Dark | Up | 26.7 | 244.7 | Low | 04:00:43 - 04:30:29 | 10150 |
| Cedarville | 04:15:48 | -32.1 | Dark | Up | 26.8 | 246.8 | Low | 04:00:55 - 04:30:41 | 10146 |
| Beatty | 04:16:15 | -36.4 | Dark | Up | 25.9 | 251.7 | Low | 04:01:22 - 04:31:08 | 10145 |
| La Pine/Gilchrist | 04:15:35 | -30.4 | Dark | Up | 26.9 | 244.7 | Low | 04:00:42 - 04:30:28 | 10144 |
| Parker | 04:16:34 | -39.3 | Dark | Up | 24.7 | 254.7 | Low | 04:01:41 - 04:31:27 | 10143 |
| Hawthorne | 04:16:05 | -34.4 | Dark | Up | 26.8 | 249.5 | Low | 04:01:12 - 04:30:58 | 10126 |
| Yerington | 04:16:02 | -33.8 | Dark | Up | 27.0 | 248.9 | Low | 04:01:09 - 04:30:55 | 10120 |
| Blythe | 04:16:38 | -39.2 | Dark | Up | 25.1 | 254.8 | Low | 04:01:45 - 04:31:31 | 10116 |
| Reno | 04:15:58 | -33.1 | Dark | Up | 27.3 | 248.1 | Low | 04:01:05 - 04:30:51 | 10111 |
| Tulelake | 04:15:44 | -31.1 | Dark | Up | 27.5 | 245.6 | Low | 04:00:51 - 04:30:37 | 10110 |
| Chiloquin | 04:15:41 | -30.6 | Dark | Up | 27.6 | 244.9 | Low | 04:00:48 - 04:30:34 | 10110 |
| Klamath Falls | 04:15:42 | -30.8 | Dark | Up | 27.6 | 245.2 | Low | 04:00:49 - 04:30:35 | 10105 |
| Susanville | 04:15:53 | -32.2 | Dark | Up | 27.6 | 247.0 | Low | 04:01:00 - 04:30:46 | 10103 |
| Carson City | 04:15:59 | -33.3 | Dark | Up | 27.4 | 248.3 | Low | 04:01:06 - 04:30:52 | 10103 |
| Bishop | 04:16:11 | -35.0 | Dark | Up | 27.0 | 250.3 | Low | 04:01:18 - 04:31:04 | 10102 |
| Gardnerville | 04:16:01 | -33.4 | Dark | Up | 27.5 | 248.5 | Low | 04:01:08 - 04:30:54 | 10098 |
| Portola | 04:15:56 | -32.6 | Dark | Up | 27.7 | 247.5 | Low | 04:01:03 - 04:30:49 | 10095 |
| Lee Vining | 04:16:07 | -34.2 | Dark | Up | 27.3 | 249.4 | Low | 04:01:14 - 04:31:00 | 10094 |
| Fall River/Burney | 04:15:48 | -31.5 | Dark | Up | 27.9 | 246.1 | Low | 04:00:55 - 04:30:41 | 10092 |
| Lone Pine | 04:16:15 | -35.5 | Dark | Up | 27.0 | 250.9 | Low | 04:01:22 - 04:31:08 | 10092 |
| Gimple | 04:15:54 | -32.2 | Dark | Up | 27.8 | 247.0 | Low | 04:01:01 - 04:30:47 | 10089 |
| Greenville | 04:15:54 | -32.1 | Dark | Up | 27.9 | 246.9 | Low | 04:01:01 - 04:30:47 | 10086 |
| Yuma | 04:16:41 | -39.5 | Dark | Up | 25.3 | 255.2 | Low | 04:01:48 - 04:31:34 | 10084 |
| Quincy | 04:15:55 | -32.2 | Dark | Up | 28.0 | 247.0 | Low | 04:01:02 - 04:30:48 | 10081 |
| Calipatria | 04:16:37 | -38.7 | Dark | Up | 26.0 | 254.4 | Low | 04:01:44 - 04:31:30 | 10068 |
| Idyllwild | 04:16:32 | -37.5 | Dark | Up | 26.8 | 253.3 | Low | 04:01:39 - 04:31:25 | 10049 |
| Wildwood | 04:16:27 | -35.9 | Dark | Up | 28.2 | 251.8 | Low | 04:01:34 - 04:31:20 | 9994 |
| CPSLO | 04:16:18 | -33.9 | Dark | Up | 29.4 | 249.7 | Low | 04:01:25 - 04:31:11 | 9958 |
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 07LG38, (2019/10/12 04:16UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 35.38 109 60Bet Oph 17:43:28.3 +04:34:05 2.8 4.02 96 PPM 164858 17:56:18.3 +00:40:14 5.7 1.41 93 PPM 164835 17:55:37.5 +02:04:30 7.4 0.13 93 PPM 164848 17:56:08.4 +02:04:07 10.5 0.02 93 07LG38 17:56:09.2 +02:05:01 14.7 93 Positions are for J2000
Event circumstances last updated at 2019/06/13 21:12:46 UT
Marc W. Buie, Southwest Research Institute