Event between (505476) 13UL15 and star GA0940:00110109 with event index number of 224114
Geocentric closest approach at 2018/11/25 07:45:45 UTC
J2000 position of star is 01:14:30.3 +05:55:42
Equinox of date position of star is 01:15:29.1 +06:01:40
Stellar brightness G=15.4,
use SENSEUP=128
Star is 71 degrees from the moon.
Moon is 94% illuminated.
TNO apparent brightness V=23.0
[RECON map]
TNO is 43.4 AU from the Sun
and 42.7 AU from the Earth.
The TNO is moving 17.1
km/sec on the sky relative to the star, or,
2.0 arcsec/hr.
The 1-sigma error in the time of the event is 123 seconds.
The 1-sigma cross-track error in the shadow position is
1713 km.
The sky-plane scale is
30975.4 km/arcsec.
The TNO has an absolute magnitude Hv=6.6
Diameter=288.4 km assuming a 5% albedo -- 16.8 sec chord
Diameter=117.7 km assuming a 30% albedo -- 6.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 505476, (2018/11/25 07:46UT) Object RA Dec mag sep mel Algenib 00:14:12.7 +15:17:19 2.8 17.66 82 80 Psc 01:09:20.7 +05:44:57 5.5 1.55 73 PPM 144454 01:18:34.6 +05:59:00 8.1 0.77 70 PPM 144363 01:13:30.0 +05:52:34 9.8 0.52 72 PPM 144392 01:15:15.6 +06:20:10 11.2 0.31 71 505476 01:15:29.3 +06:01:41 15.4 71 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 22.6 km
RECON observability=1.0 and success probability=28.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Summerland | 07:41:49 | -60.9 | Dark | Up | 34.1 | 232.4 | Up | 07:31:02 - 07:52:35 | 1235 |
| Kelowna | 07:41:48 | -60.8 | Dark | Up | 33.9 | 232.8 | Up | 07:31:01 - 07:52:34 | 1234 |
| Penticton | 07:41:48 | -61.2 | Dark | Up | 34.2 | 232.8 | Up | 07:31:01 - 07:52:34 | 1203 |
| Okanagan Falls | 07:41:47 | -61.4 | Dark | Up | 34.3 | 232.9 | Up | 07:31:01 - 07:52:34 | 1185 |
| Oliver | 07:41:47 | -61.6 | Dark | Up | 34.4 | 233.0 | Up | 07:31:01 - 07:52:34 | 1170 |
| Anarchist Mountain Observatory | 07:41:46 | -61.7 | Dark | Up | 34.4 | 233.3 | Up | 07:31:00 - 07:52:33 | 1151 |
| Oroville | 07:41:46 | -61.8 | Dark | Up | 34.5 | 233.2 | Up | 07:31:00 - 07:52:33 | 1145 |
| Tonasket | 07:41:46 | -62.0 | Dark | Up | 34.7 | 233.4 | Up | 07:31:00 - 07:52:33 | 1124 |
| Okanogan | 07:41:46 | -62.4 | Dark | Up | 34.9 | 233.4 | Up | 07:31:00 - 07:52:33 | 1094 |
| Brewster | 07:41:46 | -62.6 | Dark | Up | 35.2 | 233.4 | Up | 07:31:00 - 07:52:33 | 1071 |
| Manson/Chelan | 07:41:48 | -62.8 | Dark | Up | 35.5 | 233.1 | Up | 07:31:01 - 07:52:34 | 1057 |
| Entiat | 07:41:47 | -63.1 | Dark | Up | 35.7 | 233.2 | Up | 07:31:01 - 07:52:34 | 1037 |
| Wenatchee | 07:41:47 | -63.3 | Dark | Up | 35.9 | 233.2 | Up | 07:31:01 - 07:52:34 | 1015 |
| Ellensburg | 07:41:48 | -63.7 | Dark | Up | 36.3 | 233.2 | Up | 07:31:01 - 07:52:34 | 979 |
| Yakima | 07:41:47 | -64.1 | Dark | Up | 36.5 | 233.4 | Up | 07:31:00 - 07:52:33 | 940 |
| Toppenish/White Swan | 07:41:46 | -64.3 | Dark | Up | 36.6 | 233.7 | Up | 07:30:59 - 07:52:32 | 917 |
| Pasco | 07:41:41 | -64.5 | Dark | Up | 35.9 | 235.1 | Up | 07:30:55 - 07:52:28 | 888 |
| Goldendale | 07:41:47 | -64.9 | Dark | Up | 37.1 | 233.6 | Up | 07:31:00 - 07:52:33 | 871 |
| PNWRO | 07:41:41 | -64.7 | Dark | Up | 35.9 | 235.5 | Up | 07:30:54 - 07:52:27 | 861 |
| George/Umatilla | 07:41:42 | -64.8 | Dark | Up | 36.2 | 235.1 | Up | 07:30:55 - 07:52:28 | 859 |
| The Dalles | 07:41:48 | -65.1 | Dark | Up | 37.5 | 233.4 | Up | 07:31:01 - 07:52:34 | 855 |
| Maupin | 07:41:47 | -65.5 | Dark | Up | 37.6 | 233.8 | Up | 07:31:00 - 07:52:33 | 813 |
| Madras/Culver | 07:41:46 | -66.0 | Dark | Up | 38.0 | 234.1 | Up | 07:31:00 - 07:52:33 | 761 |
| Sisters | 07:41:48 | -66.3 | Dark | Up | 38.4 | 233.8 | Up | 07:31:01 - 07:52:34 | 735 |
| Redmond | 07:41:46 | -66.4 | Dark | Up | 38.2 | 234.2 | Up | 07:31:00 - 07:52:33 | 727 |
| Bend | 07:41:46 | -66.6 | Dark | Up | 38.4 | 234.2 | Up | 07:31:00 - 07:52:33 | 708 |
| Oregon Observatory | 07:41:47 | -66.8 | Dark | Up | 38.6 | 234.2 | Up | 07:31:00 - 07:52:33 | 694 |
| La Pine/Gilchrist | 07:41:47 | -67.0 | Dark | Up | 38.8 | 234.3 | Up | 07:31:00 - 07:52:33 | 675 |
| North Lake | 07:41:44 | -67.4 | Dark | Up | 38.7 | 235.2 | Up | 07:30:58 - 07:52:31 | 623 |
| Chiloquin | 07:41:47 | -68.0 | Dark | Up | 39.6 | 234.6 | Up | 07:31:01 - 07:52:34 | 571 |
| Paisley | 07:41:42 | -68.0 | Dark | Up | 38.8 | 235.9 | Up | 07:30:56 - 07:52:29 | 563 |
| Klamath Falls | 07:41:46 | -68.4 | Dark | Up | 39.8 | 235.0 | Up | 07:31:00 - 07:52:33 | 536 |
| Lakeview | 07:41:41 | -68.5 | Dark | Up | 38.9 | 236.4 | Up | 07:30:55 - 07:52:28 | 510 |
| Tulelake | 07:41:45 | -68.7 | Dark | Up | 39.8 | 235.4 | Up | 07:30:58 - 07:52:31 | 505 |
| Cedarville | 07:41:40 | -69.2 | Dark | Up | 39.2 | 237.0 | Up | 07:30:54 - 07:52:27 | 442 |
| Fall River/Burney | 07:41:44 | -69.6 | Dark | Up | 40.2 | 236.2 | Up | 07:30:58 - 07:52:31 | 413 |
| Susanville | 07:41:41 | -70.3 | Dark | Up | 40.1 | 237.3 | Up | 07:30:54 - 07:52:27 | 338 |
| Greenville | 07:41:42 | -70.5 | Dark | Up | 40.4 | 237.2 | Up | 07:30:55 - 07:52:28 | 316 |
| Gimple | 07:41:41 | -70.5 | Dark | Up | 40.4 | 237.3 | Up | 07:30:55 - 07:52:28 | 314 |
| Quincy | 07:41:41 | -70.7 | Dark | Up | 40.5 | 237.4 | Up | 07:30:55 - 07:52:28 | 295 |
| Portola | 07:41:40 | -70.9 | Dark | Up | 40.3 | 237.9 | Up | 07:30:53 - 07:52:26 | 275 |
| Reno | 07:41:37 | -71.2 | Dark | Up | 40.0 | 238.8 | Up | 07:30:50 - 07:52:23 | 237 |
| Carson City | 07:41:37 | -71.5 | Dark | Up | 40.2 | 239.0 | Up | 07:30:50 - 07:52:23 | 201 |
| Gardnerville | 07:41:36 | -71.8 | Dark | Up | 40.3 | 239.3 | Up | 07:30:50 - 07:52:23 | 175 |
| Yerington | 07:41:34 | -71.8 | Dark | Up | 39.9 | 239.8 | Up | 07:30:48 - 07:52:21 | 171 |
| Hawthorne | 07:41:32 | -72.2 | Dark | Up | 39.8 | 240.6 | Up | 07:30:46 - 07:52:19 | 115 |
| Niwot | 07:40:50 | -67.6 | Dark | Up | 29.7 | 251.0 | Low | 07:30:04 - 07:51:37 | 109 |
| Lee Vining | 07:41:33 | -72.8 | Dark | Up | 40.4 | 240.6 | Up | 07:30:47 - 07:52:20 | 65 |
| Tonopah | 07:41:26 | -72.6 | Dark | Up | 39.0 | 242.2 | Up | 07:30:40 - 07:52:13 | 45 |
| Bishop | 07:41:30 | -73.4 | Dark | Up | 40.2 | 241.7 | Up | 07:30:44 - 07:52:17 | -8 |
| Beatty | 07:41:24 | -73.8 | Dark | Up | 39.2 | 243.5 | Up | 07:30:37 - 07:52:10 | -81 |
| Lone Pine | 07:41:29 | -74.1 | Dark | Up | 40.3 | 242.6 | Up | 07:30:42 - 07:52:15 | -91 |
| Indian Springs | 07:41:20 | -74.0 | Dark | Up | 38.6 | 244.7 | Up | 07:30:33 - 07:52:06 | -131 |
| CPSLO | 07:41:38 | -75.3 | Dark | Up | 42.7 | 241.2 | Up | 07:30:51 - 07:52:24 | -182 |
| Henderson | 07:41:17 | -74.4 | Dark | Up | 38.3 | 245.6 | Up | 07:30:31 - 07:52:04 | -197 |
| Searchlight/Boulder City | 07:41:16 | -74.9 | Dark | Up | 38.5 | 246.1 | Up | 07:30:30 - 07:52:03 | -258 |
| Patrick | 07:41:13 | -74.8 | Dark | Up | 37.8 | 247.0 | Up | 07:30:26 - 07:51:59 | -278 |
| Laughlin/Bullhead City | 07:41:15 | -75.2 | Dark | Up | 38.4 | 246.6 | Up | 07:30:29 - 07:52:02 | -294 |
| Kingman/Dolan Springs | 07:41:13 | -75.0 | Dark | Up | 38.0 | 247.0 | Up | 07:30:27 - 07:52:00 | -299 |
| DCO | 07:41:10 | -74.9 | Dark | Up | 37.4 | 247.8 | Up | 07:30:23 - 07:51:56 | -320 |
| Mohave Valley | 07:41:15 | -75.4 | Dark | Up | 38.5 | 246.8 | Up | 07:30:28 - 07:52:01 | -322 |
| Wildwood | 07:41:29 | -76.7 | Dark | Up | 41.8 | 244.0 | Up | 07:30:43 - 07:52:16 | -343 |
| Lake Havasu City | 07:41:14 | -75.7 | Dark | Up | 38.5 | 247.3 | Up | 07:30:27 - 07:52:00 | -368 |
| Parker | 07:41:13 | -76.1 | Dark | Up | 38.6 | 247.6 | Up | 07:30:27 - 07:52:00 | -406 |
| Idyllwild | 07:41:22 | -76.9 | Dark | Up | 40.6 | 245.9 | Up | 07:30:36 - 07:52:09 | -412 |
| Blythe | 07:41:14 | -76.7 | Dark | Up | 39.0 | 247.7 | Up | 07:30:28 - 07:52:01 | -456 |
| Calipatria | 07:41:17 | -77.3 | Dark | Up | 39.9 | 247.4 | Up | 07:30:31 - 07:52:04 | -494 |
| Yuma | 07:41:14 | -77.5 | Dark | Up | 39.4 | 248.4 | Up | 07:30:27 - 07:52:00 | -554 |
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 505476, (2018/11/25 07:46UT) Object RA Dec mag sep mel Algenib 00:13:14.2 +15:11:01 2.8 17.66 82 80 Psc 01:08:21.9 +05:38:55 5.5 1.55 73 PPM 144454 01:17:35.6 +05:53:03 8.1 0.77 70 PPM 144363 01:12:31.1 +05:46:34 9.8 0.52 72 PPM 144392 01:14:16.6 +06:14:11 11.2 0.31 71 505476 01:14:30.3 +05:55:42 15.4 71 Positions are for J2000
Event circumstances last updated at 2018/11/05 21:13:36 UT
Marc W. Buie, Southwest Research Institute