Event between 11HJ103 and star GA0680:34427950 with event index number of 202365
Geocentric closest approach at 2018/07/20 08:34:33 UTC
J2000 position of star is 19:12:30.7 -20:34:45
Equinox of date position of star is 19:13:36.2 -20:32:49
Stellar brightness G=16.7,
use SENSEUP=128
Star is 73 degrees from the moon.
Moon is 56% illuminated.
TNO apparent brightness V=24.1
[RECON map]
TNO is 40.0 AU from the Sun
and 39.0 AU from the Earth.
The TNO is moving 23.8
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 269 seconds.
The 1-sigma cross-track error in the shadow position is
2718 km.
The sky-plane scale is
28306.8 km/arcsec.
The TNO has an absolute magnitude Hv=8.1
Diameter=142.6 km assuming a 5% albedo -- 6.0 sec chord
Diameter=58.2 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is CLASSICAL
Star training set for 11HJ103, (2018/07/20 08:35UT) Object RA Dec mag sep mel Antares 16:30:32.9 -26:28:18 0.9 37.69 37 Nunki 18:56:24.8 -26:16:20 2.0 6.95 69 PPM 235581 19:10:53.7 -19:46:22 6.4 1.00 72 PPM 269477 19:14:15.0 -20:23:22 8.2 0.22 73 11HJ103 19:13:36.6 -20:32:49 16.7 73 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
3.4 sigma about the mid-time.
The median site spacing is 15.2 km
RECON observability=0.9 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) |
| Penticton | 08:33:03 | -19.5 | Dark | Down | 18.0 | 198.4 | Really Low | 08:18:03 - 08:48:03 | 13675 |
| Oroville | 08:33:03 | -20.1 | Dark | Down | 18.5 | 198.5 | Really Low | 08:18:03 - 08:48:03 | 13647 |
| Tonasket | 08:33:02 | -20.4 | Dark | Down | 18.7 | 198.6 | Really Low | 08:18:02 - 08:48:02 | 13636 |
| Okanogan | 08:33:02 | -20.7 | Dark | Down | 19.1 | 198.4 | Really Low | 08:18:02 - 08:48:02 | 13624 |
| Brewster | 08:33:02 | -21.0 | Dark | Down | 19.4 | 198.3 | Really Low | 08:18:02 - 08:48:02 | 13616 |
| Manson/Chelan | 08:33:04 | -21.2 | Dark | Down | 19.6 | 197.9 | Really Low | 08:18:04 - 08:48:04 | 13613 |
| Entiat | 08:33:04 | -21.5 | Dark | Down | 19.9 | 197.9 | Really Low | 08:18:04 - 08:48:04 | 13604 |
| Wenatchee | 08:33:04 | -21.7 | Dark | Down | 20.1 | 197.8 | Low | 08:18:04 - 08:48:04 | 13594 |
| Ellensburg | 08:33:04 | -22.1 | Dark | Down | 20.6 | 197.7 | Low | 08:18:04 - 08:48:04 | 13579 |
| Yakima | 08:33:04 | -22.5 | Dark | Down | 21.0 | 197.7 | Low | 08:18:04 - 08:48:04 | 13560 |
| Toppenish/White Swan | 08:33:03 | -22.7 | Dark | Down | 21.1 | 197.9 | Low | 08:18:03 - 08:48:03 | 13547 |
| Goldendale | 08:33:05 | -23.3 | Dark | Down | 21.7 | 197.5 | Low | 08:18:05 - 08:48:05 | 13528 |
| The Dalles | 08:33:05 | -23.6 | Dark | Down | 22.0 | 197.2 | Low | 08:18:05 - 08:48:05 | 13524 |
| Pasco | 08:32:58 | -22.8 | Dark | Down | 21.0 | 199.1 | Low | 08:17:58 - 08:47:58 | 13517 |
| George/Umatilla | 08:32:59 | -23.1 | Dark | Down | 21.3 | 199.0 | Low | 08:17:59 - 08:47:59 | 13505 |
| Maupin | 08:33:04 | -24.0 | Dark | Down | 22.4 | 197.4 | Low | 08:18:04 - 08:48:04 | 13501 |
| PNWRO | 08:32:58 | -23.0 | Dark | Down | 21.2 | 199.4 | Low | 08:17:58 - 08:47:58 | 13500 |
| Madras/Culver | 08:33:04 | -24.5 | Dark | Down | 22.9 | 197.4 | Low | 08:18:04 - 08:48:04 | 13475 |
| Sisters | 08:33:05 | -24.9 | Dark | Down | 23.4 | 197.0 | Low | 08:18:05 - 08:48:05 | 13466 |
| Redmond | 08:33:04 | -24.9 | Dark | Down | 23.3 | 197.4 | Low | 08:18:04 - 08:48:04 | 13458 |
| Bend | 08:33:05 | -25.1 | Dark | Down | 23.5 | 197.3 | Low | 08:18:05 - 08:48:05 | 13449 |
| Oregon Observatory | 08:33:05 | -25.3 | Dark | Down | 23.7 | 197.2 | Low | 08:18:05 - 08:48:05 | 13443 |
| La Pine/Gilchrist | 08:33:05 | -25.5 | Dark | Down | 23.9 | 197.1 | Low | 08:18:05 - 08:48:05 | 13433 |
| North Lake | 08:33:03 | -25.9 | Dark | Down | 24.2 | 197.8 | Low | 08:18:03 - 08:48:03 | 13399 |
| Chiloquin | 08:33:06 | -26.6 | Dark | Down | 25.1 | 196.9 | Low | 08:18:06 - 08:48:06 | 13381 |
| Paisley | 08:33:00 | -26.4 | Dark | Down | 24.7 | 198.2 | Low | 08:18:00 - 08:48:00 | 13362 |
| Klamath Falls | 08:33:05 | -27.0 | Dark | Down | 25.4 | 197.1 | Low | 08:18:05 - 08:48:05 | 13361 |
| Tulelake | 08:33:03 | -27.2 | Dark | Down | 25.6 | 197.4 | Low | 08:18:03 - 08:48:03 | 13341 |
| Lakeview | 08:33:00 | -26.9 | Dark | Down | 25.1 | 198.5 | Low | 08:18:00 - 08:48:00 | 13331 |
| Cedarville | 08:33:00 | -27.5 | Dark | Down | 25.7 | 198.8 | Low | 08:18:00 - 08:48:00 | 13291 |
| Fall River/Burney | 08:33:03 | -28.1 | Dark | Down | 26.4 | 197.6 | Low | 08:18:03 - 08:48:03 | 13288 |
| Susanville | 08:33:01 | -28.7 | Dark | Down | 26.9 | 198.4 | Low | 08:18:01 - 08:48:01 | 13237 |
| Greenville | 08:33:02 | -29.0 | Dark | Down | 27.2 | 198.2 | Low | 08:18:02 - 08:48:02 | 13227 |
| Gimple | 08:33:00 | -29.0 | Dark | Down | 27.2 | 198.3 | Low | 08:18:00 - 08:48:00 | 13226 |
| Quincy | 08:33:01 | -29.2 | Dark | Down | 27.4 | 198.2 | Low | 08:18:01 - 08:48:01 | 13216 |
| Portola | 08:32:58 | -29.3 | Dark | Down | 27.4 | 198.7 | Low | 08:17:58 - 08:47:58 | 13198 |
| Reno | 08:32:58 | -29.5 | Dark | Down | 27.5 | 199.4 | Low | 08:17:58 - 08:47:58 | 13169 |
| Carson City | 08:32:58 | -29.8 | Dark | Down | 27.8 | 199.5 | Low | 08:17:58 - 08:47:58 | 13147 |
| Gardnerville | 08:32:58 | -30.1 | Dark | Down | 28.0 | 199.6 | Low | 08:17:58 - 08:47:58 | 13131 |
| Yerington | 08:32:58 | -30.0 | Dark | Down | 27.8 | 200.2 | Low | 08:17:58 - 08:47:58 | 13122 |
| Hawthorne | 08:32:58 | -30.4 | Dark | Down | 28.1 | 200.8 | Low | 08:17:58 - 08:47:58 | 13082 |
| Lee Vining | 08:32:58 | -31.0 | Dark | Down | 28.8 | 200.4 | Low | 08:17:58 - 08:47:58 | 13058 |
| Tonopah | 08:32:58 | -30.6 | Dark | Down | 28.1 | 202.3 | Low | 08:17:58 - 08:47:58 | 13024 |
| Bishop | 08:32:58 | -31.5 | Dark | Down | 29.1 | 201.3 | Low | 08:17:58 - 08:47:58 | 13005 |
| Lone Pine | 08:32:58 | -32.2 | Dark | Down | 29.7 | 201.8 | Low | 08:17:58 - 08:47:58 | 12950 |
| Beatty | 08:32:58 | -31.7 | Dark | Down | 29.1 | 203.0 | Low | 08:17:58 - 08:47:58 | 12941 |
| CPSLO | 08:32:59 | -33.8 | Dark | Down | 31.7 | 199.4 | Up | 08:17:59 - 08:47:59 | 12923 |
| Indian Springs | 08:32:41 | -31.9 | Dark | Down | 29.0 | 204.1 | Low | 08:17:41 - 08:47:41 | 12891 |
| Niwot | 08:32:13 | -26.1 | Dark | Down | 22.0 | 213.2 | Low | 08:17:13 - 08:47:13 | 12851 |
| Henderson | 08:32:40 | -32.3 | Dark | Down | 29.3 | 204.9 | Low | 08:17:40 - 08:47:40 | 12839 |
| Searchlight/Boulder City | 08:32:39 | -32.8 | Dark | Down | 29.8 | 205.1 | Low | 08:17:39 - 08:47:39 | 12799 |
| Wildwood | 08:32:58 | -34.7 | Dark | Down | 32.2 | 201.8 | Up | 08:17:58 - 08:47:58 | 12797 |
| Laughlin/Bullhead City | 08:32:37 | -33.0 | Dark | Down | 29.9 | 205.6 | Low | 08:17:37 - 08:47:37 | 12771 |
| Patrick | 08:32:35 | -32.7 | Dark | Down | 29.5 | 206.2 | Low | 08:17:35 - 08:47:35 | 12770 |
| Kingman/Dolan Springs | 08:32:36 | -32.9 | Dark | Down | 29.7 | 206.1 | Low | 08:17:36 - 08:47:36 | 12759 |
| Mohave Valley | 08:32:37 | -33.3 | Dark | Down | 30.2 | 205.6 | Up | 08:17:37 - 08:47:37 | 12752 |
| DCO | 08:32:33 | -32.8 | Dark | Down | 29.5 | 207.0 | Low | 08:17:33 - 08:47:33 | 12731 |
| Idyllwild | 08:32:44 | -34.8 | Dark | Down | 32.0 | 203.8 | Up | 08:17:44 - 08:47:44 | 12726 |
| Lake Havasu City | 08:32:37 | -33.7 | Dark | Down | 30.5 | 206.0 | Up | 08:17:37 - 08:47:37 | 12719 |
| Parker | 08:32:36 | -34.0 | Dark | Down | 30.8 | 206.1 | Up | 08:17:36 - 08:47:36 | 12694 |
| Blythe | 08:32:37 | -34.6 | Dark | Down | 31.3 | 205.9 | Up | 08:17:37 - 08:47:37 | 12665 |
| Calipatria | 08:32:40 | -35.2 | Dark | Down | 32.1 | 205.1 | Up | 08:17:40 - 08:47:40 | 12654 |
| Yuma | 08:32:36 | -35.5 | Dark | Down | 32.2 | 206.1 | Up | 08:17:36 - 08:47:36 | 12601 |
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 11HJ103, (2018/07/20 08:35UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 37.69 37 Nunki 18:55:15.9 -26:17:49 2.0 6.95 69 PPM 235581 19:09:48.2 -19:48:15 6.4 1.00 72 PPM 269477 19:13:09.2 -20:25:19 8.2 0.22 73 11HJ103 19:12:30.7 -20:34:45 16.7 73 Positions are for J2000
Event circumstances last updated at 2018/06/05 16:16:03 UT
Marc W. Buie, Southwest Research Institute