Event between 15KD175 and star GA0780:04992472 with event index number of 1011464
Geocentric closest approach at 2019/06/12 08:27:35 UTC
J2000 position of star is 15:58:13.2 -10:11:05
Equinox of date position of star is 15:59:15.9 -10:14:18
Stellar brightness G=16.2,
use SENSEUP=128
Star is 41 degrees from the moon.
Moon is 73% illuminated.
TNO apparent brightness V=24.8
[RECON map]
TNO is 38.6 AU from the Sun
and 37.7 AU from the Earth.
The TNO is moving 22.7
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 881 seconds.
The 1-sigma cross-track error in the shadow position is
4439 km.
The sky-plane scale is
27313.0 km/arcsec.
The TNO has an absolute magnitude Hv=8.9
Diameter=100.5 km assuming a 5% albedo -- 4.4 sec chord
Diameter=41.0 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is SCATEXTD
Star training set for 15KD175, (2019/06/12 08:28UT) Object RA Dec mag sep mel Antares 16:30:36.2 -26:28:25 0.9 17.84 52 1Del Oph 16:15:22.0 -03:44:35 2.7 7.62 44 50 Lib 16:01:50.8 -08:27:54 5.5 1.88 41 PPM 230996 15:58:12.0 -10:56:35 7.9 0.75 41 PPM 231039 16:00:01.7 -10:11:08 9.7 0.19 41 15KD175 15:59:17.0 -10:14:22 16.2 41 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
1.0 sigma about the mid-time.
The median site spacing is 13.2 km
RECON observability=1.0 and success probability=0.9%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 08:27:02 | -16.7 | AT | Up | 25.1 | 210.9 | Low | 08:12:02 - 08:42:02 | 12961 |
| Summerland | 08:27:03 | -16.7 | AT | Up | 25.2 | 210.5 | Low | 08:12:03 - 08:42:03 | 12956 |
| Penticton | 08:27:02 | -17.0 | AT | Up | 25.4 | 210.8 | Low | 08:12:02 - 08:42:02 | 12942 |
| Okanagan Falls | 08:27:02 | -17.2 | AT | Up | 25.6 | 210.8 | Low | 08:12:02 - 08:42:02 | 12933 |
| Oliver | 08:27:02 | -17.4 | AT | Up | 25.7 | 210.9 | Low | 08:12:02 - 08:42:02 | 12925 |
| Anarchist Mountain Observatory | 08:27:00 | -17.5 | AT | Up | 25.8 | 211.1 | Low | 08:12:00 - 08:42:00 | 12919 |
| Oroville | 08:27:01 | -17.6 | AT | Up | 25.9 | 211.1 | Low | 08:12:01 - 08:42:01 | 12914 |
| Tonasket | 08:27:01 | -17.9 | AT | Up | 26.1 | 211.1 | Low | 08:12:01 - 08:42:01 | 12903 |
| Okanogan | 08:26:59 | -18.2 | Dark | Up | 26.4 | 211.1 | Low | 08:11:59 - 08:41:59 | 12885 |
| Brewster | 08:26:59 | -18.5 | Dark | Up | 26.7 | 210.9 | Low | 08:11:59 - 08:41:59 | 12870 |
| Manson/Chelan | 08:27:00 | -18.7 | Dark | Up | 27.0 | 210.6 | Low | 08:12:00 - 08:42:00 | 12856 |
| Entiat | 08:27:00 | -18.9 | Dark | Up | 27.3 | 210.6 | Low | 08:12:00 - 08:42:00 | 12844 |
| Wenatchee | 08:26:59 | -19.2 | Dark | Up | 27.5 | 210.5 | Low | 08:11:59 - 08:41:59 | 12830 |
| Ellensburg | 08:26:59 | -19.6 | Dark | Up | 27.9 | 210.4 | Low | 08:11:59 - 08:41:59 | 12807 |
| Yakima | 08:26:59 | -20.0 | Dark | Up | 28.3 | 210.5 | Low | 08:11:59 - 08:41:59 | 12785 |
| Pasco | 08:26:54 | -20.3 | Dark | Up | 28.1 | 212.1 | Low | 08:11:54 - 08:41:54 | 12780 |
| Toppenish/White Swan | 08:26:57 | -20.2 | Dark | Up | 28.4 | 210.7 | Low | 08:11:57 - 08:41:57 | 12775 |
| PNWRO | 08:26:53 | -20.5 | Dark | Up | 28.2 | 212.4 | Low | 08:11:53 - 08:41:53 | 12768 |
| George/Umatilla | 08:26:54 | -20.6 | Dark | Up | 28.5 | 211.9 | Low | 08:11:54 - 08:41:54 | 12760 |
| Goldendale | 08:26:58 | -20.8 | Dark | Up | 29.1 | 210.4 | Low | 08:11:58 - 08:41:58 | 12742 |
| The Dalles | 08:26:59 | -21.1 | Dark | Up | 29.4 | 210.1 | Low | 08:11:59 - 08:41:59 | 12726 |
| Maupin | 08:26:58 | -21.5 | Dark | Up | 29.7 | 210.4 | Low | 08:11:58 - 08:41:58 | 12704 |
| Madras/Culver | 08:26:55 | -22.0 | Dark | Up | 30.2 | 210.5 | Up | 08:11:55 - 08:41:55 | 12673 |
| Redmond | 08:26:56 | -22.4 | Dark | Up | 30.5 | 210.5 | Up | 08:11:56 - 08:41:56 | 12652 |
| Sisters | 08:26:56 | -22.4 | Dark | Up | 30.6 | 210.1 | Up | 08:11:56 - 08:41:56 | 12650 |
| Bend | 08:26:54 | -22.6 | Dark | Up | 30.8 | 210.4 | Up | 08:11:54 - 08:41:54 | 12639 |
| Oregon Observatory | 08:26:55 | -22.8 | Dark | Up | 31.0 | 210.3 | Up | 08:11:55 - 08:41:55 | 12627 |
| La Pine/Gilchrist | 08:26:54 | -23.0 | Dark | Up | 31.2 | 210.3 | Up | 08:11:54 - 08:41:54 | 12615 |
| North Lake | 08:26:52 | -23.4 | Dark | Up | 31.3 | 211.1 | Up | 08:11:52 - 08:41:52 | 12595 |
| Paisley | 08:26:50 | -23.9 | Dark | Up | 31.6 | 211.7 | Up | 08:11:50 - 08:41:50 | 12566 |
| Chiloquin | 08:26:54 | -24.1 | Dark | Up | 32.2 | 210.3 | Up | 08:11:54 - 08:41:54 | 12546 |
| Lakeview | 08:26:47 | -24.4 | Dark | Up | 32.0 | 212.0 | Up | 08:11:47 - 08:41:47 | 12537 |
| Klamath Falls | 08:26:52 | -24.5 | Dark | Up | 32.5 | 210.5 | Up | 08:11:52 - 08:41:52 | 12526 |
| Tulelake | 08:26:50 | -24.7 | Dark | Up | 32.6 | 210.9 | Up | 08:11:50 - 08:41:50 | 12513 |
| Niwot | 08:25:59 | -23.7 | Dark | Up | 26.4 | 227.5 | Low | 08:10:59 - 08:40:59 | 12511 |
| SwRI | 08:25:58 | -23.8 | Dark | Up | 26.5 | 227.4 | Low | 08:10:58 - 08:40:58 | 12504 |
| Cedarville | 08:26:46 | -25.0 | Dark | Up | 32.5 | 212.4 | Up | 08:11:46 - 08:41:46 | 12499 |
| Fall River/Burney | 08:26:49 | -25.6 | Dark | Up | 33.4 | 211.3 | Up | 08:11:49 - 08:41:49 | 12458 |
| Susanville | 08:26:46 | -26.2 | Dark | Up | 33.6 | 212.3 | Up | 08:11:46 - 08:41:46 | 12425 |
| Gimple | 08:26:46 | -26.5 | Dark | Up | 34.0 | 212.2 | Up | 08:11:46 - 08:41:46 | 12406 |
| Greenville | 08:26:46 | -26.5 | Dark | Up | 34.0 | 212.1 | Up | 08:11:46 - 08:41:46 | 12405 |
| Quincy | 08:26:46 | -26.7 | Dark | Up | 34.2 | 212.1 | Up | 08:11:46 - 08:41:46 | 12392 |
| Portola | 08:26:45 | -26.8 | Dark | Up | 34.1 | 212.7 | Up | 08:11:45 - 08:41:45 | 12389 |
| Reno | 08:26:41 | -27.0 | Dark | Up | 34.0 | 213.5 | Up | 08:11:41 - 08:41:41 | 12378 |
| Carson City | 08:26:41 | -27.3 | Dark | Up | 34.3 | 213.6 | Up | 08:11:41 - 08:41:41 | 12355 |
| Yerington | 08:26:38 | -27.5 | Dark | Up | 34.2 | 214.4 | Up | 08:11:38 - 08:41:38 | 12348 |
| Gardnerville | 08:26:39 | -27.6 | Dark | Up | 34.5 | 213.8 | Up | 08:11:39 - 08:41:39 | 12339 |
| Hawthorne | 08:26:35 | -27.9 | Dark | Up | 34.4 | 215.1 | Up | 08:11:35 - 08:41:35 | 12322 |
| Tonopah | 08:26:29 | -28.2 | Dark | Up | 34.1 | 216.8 | Up | 08:11:29 - 08:41:29 | 12304 |
| Lee Vining | 08:26:36 | -28.5 | Dark | Up | 35.0 | 214.8 | Up | 08:11:36 - 08:41:36 | 12280 |
| Bishop | 08:26:31 | -29.0 | Dark | Up | 35.2 | 215.8 | Up | 08:11:31 - 08:41:31 | 12247 |
| Beatty | 08:26:25 | -29.2 | Dark | Up | 34.8 | 217.7 | Up | 08:11:25 - 08:41:25 | 12230 |
| Indian Springs | 08:26:21 | -29.4 | Dark | Up | 34.5 | 218.9 | Up | 08:11:21 - 08:41:21 | 12217 |
| Lone Pine | 08:26:29 | -29.7 | Dark | Up | 35.7 | 216.5 | Up | 08:11:29 - 08:41:29 | 12198 |
| Henderson | 08:26:17 | -29.8 | Dark | Up | 34.6 | 219.9 | Up | 08:11:17 - 08:41:17 | 12186 |
| Patrick | 08:26:13 | -30.2 | Dark | Up | 34.5 | 221.3 | Up | 08:11:13 - 08:41:13 | 12151 |
| Searchlight/Boulder City | 08:26:16 | -30.4 | Dark | Up | 35.0 | 220.2 | Up | 08:11:16 - 08:41:16 | 12147 |
| DCO | 08:26:10 | -30.4 | Dark | Up | 34.3 | 222.1 | Up | 08:11:10 - 08:41:10 | 12135 |
| Kingman/Dolan Springs | 08:26:12 | -30.5 | Dark | Up | 34.8 | 221.2 | Up | 08:11:12 - 08:41:12 | 12134 |
| Laughlin/Bullhead City | 08:26:13 | -30.6 | Dark | Up | 35.1 | 220.7 | Up | 08:11:13 - 08:41:13 | 12129 |
| Mohave Valley | 08:26:15 | -30.9 | Dark | Up | 35.3 | 220.8 | Up | 08:11:15 - 08:41:15 | 12109 |
| Lake Havasu City | 08:26:13 | -31.2 | Dark | Up | 35.4 | 221.2 | Up | 08:11:13 - 08:41:13 | 12083 |
| CPSLO | 08:26:35 | -31.3 | Dark | Up | 37.9 | 214.3 | Up | 08:11:35 - 08:41:35 | 12082 |
| Parker | 08:26:11 | -31.5 | Dark | Up | 35.7 | 221.4 | Up | 08:11:11 - 08:41:11 | 12058 |
| Blythe | 08:26:12 | -32.1 | Dark | Up | 36.2 | 221.4 | Up | 08:11:12 - 08:41:12 | 12017 |
| Wildwood | 08:26:25 | -32.3 | Dark | Up | 37.9 | 217.0 | Up | 08:11:25 - 08:41:25 | 12016 |
| Idyllwild | 08:26:18 | -32.3 | Dark | Up | 37.3 | 219.1 | Up | 08:11:18 - 08:41:18 | 12008 |
| Calipatria | 08:26:14 | -32.8 | Dark | Up | 37.1 | 220.7 | Up | 08:11:14 - 08:41:14 | 11974 |
| Yuma | 08:26:09 | -33.0 | Dark | Up | 37.0 | 221.8 | Up | 08:11:09 - 08:41:09 | 11949 |
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 15KD175, (2019/06/12 08:28UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 17.84 52 1Del Oph 16:14:20.7 -03:41:42 2.7 7.62 44 50 Lib 16:00:47.6 -08:24:41 5.5 1.88 41 PPM 230996 15:57:07.9 -10:53:17 7.9 0.75 41 PPM 231039 15:58:57.9 -10:07:52 9.7 0.19 41 15KD175 15:58:13.2 -10:11:05 16.2 41 Positions are for J2000
Event circumstances last updated at 2019/02/12 08:34:17 UT
Marc W. Buie, Southwest Research Institute