Event between 05GV210 and star UC4-429-056620 with event index number of 169220
Geocentric closest approach at 2018/12/19 13:04:45 UTC
J2000 position of star is 13:44:09.1 -04:22:44
Equinox of date position of star is 13:45:07.8 -04:28:23
Stellar brightness R=14.9,
use SENSEUP=128
Star is 161 degrees from the moon.
Moon is 87% illuminated.
TNO apparent brightness V=23.3
[RECON map]
TNO is 42.8 AU from the Sun
and 43.3 AU from the Earth.
The TNO is moving 18.8
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 576 seconds.
The 1-sigma cross-track error in the shadow position is
3440 km.
The sky-plane scale is
31383.3 km/arcsec.
The TNO has an absolute magnitude Hv=6.8
Diameter=269.2 km assuming a 5% albedo -- 14.3 sec chord
Diameter=109.9 km assuming a 30% albedo -- 5.8 sec chord
Dynamical classification is 3:2E
Star training set for 05GV210, (2018/12/19 13:05UT) Object RA Dec mag sep mel Spica 13:26:11.7 -11:15:35 1.0 8.25 157 80 Vir 13:36:30.6 -05:29:32 5.7 2.38 159 PPM 196807 13:44:29.5 -04:22:10 7.2 0.19 160 PPM 196822 13:45:05.5 -04:29:00 9.9 0.02 161 05GV210 13:45:08.3 -04:28:25 14.9 161 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
1.6 sigma about the mid-time.
The median site spacing is 18.7 km
RECON observability=1.0 and success probability=7.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 13:01:33 | -26.1 | Dark | Down | 24.8 | 132.8 | Low | 12:46:33 - 13:16:33 | 5569 |
| Summerland | 13:01:32 | -26.3 | Dark | Down | 24.6 | 132.4 | Low | 12:46:32 - 13:16:32 | 5561 |
| Penticton | 13:01:31 | -26.2 | Dark | Down | 24.9 | 132.5 | Low | 12:46:31 - 13:16:31 | 5539 |
| Okanagan Falls | 13:01:31 | -26.1 | Dark | Down | 25.1 | 132.4 | Low | 12:46:31 - 13:16:31 | 5525 |
| Oliver | 13:01:30 | -26.1 | Dark | Down | 25.2 | 132.3 | Low | 12:46:30 - 13:16:30 | 5512 |
| Anarchist Mountain Observatory | 13:01:30 | -26.0 | Dark | Down | 25.4 | 132.5 | Low | 12:46:30 - 13:16:30 | 5502 |
| Oroville | 13:01:29 | -26.0 | Dark | Down | 25.4 | 132.4 | Low | 12:46:29 - 13:16:29 | 5495 |
| Tonasket | 13:01:30 | -26.0 | Dark | Down | 25.6 | 132.3 | Low | 12:46:30 - 13:16:30 | 5477 |
| Okanogan | 13:01:28 | -26.0 | Dark | Down | 25.7 | 132.0 | Low | 12:46:28 - 13:16:28 | 5449 |
| Brewster | 13:01:26 | -26.2 | Dark | Down | 25.8 | 131.7 | Low | 12:46:26 - 13:16:26 | 5425 |
| Manson/Chelan | 13:01:26 | -26.4 | Dark | Down | 25.7 | 131.3 | Low | 12:46:26 - 13:16:26 | 5404 |
| Entiat | 13:01:25 | -26.4 | Dark | Down | 25.9 | 131.1 | Low | 12:46:25 - 13:16:25 | 5385 |
| Wenatchee | 13:01:24 | -26.4 | Dark | Down | 26.0 | 130.9 | Low | 12:46:24 - 13:16:24 | 5364 |
| Ellensburg | 13:01:23 | -26.6 | Dark | Down | 26.1 | 130.6 | Low | 12:46:23 - 13:16:23 | 5328 |
| Yakima | 13:01:21 | -26.5 | Dark | Down | 26.4 | 130.4 | Low | 12:46:21 - 13:16:21 | 5295 |
| Pasco | 13:01:24 | -25.5 | Dark | Down | 27.3 | 131.7 | Low | 12:46:24 - 13:16:24 | 5288 |
| Toppenish/White Swan | 13:01:21 | -26.4 | Dark | Down | 26.6 | 130.5 | Low | 12:46:21 - 13:16:21 | 5280 |
| PNWRO | 13:01:25 | -25.3 | Dark | Down | 27.6 | 131.8 | Low | 12:46:25 - 13:16:25 | 5272 |
| George/Umatilla | 13:01:24 | -25.6 | Dark | Down | 27.5 | 131.3 | Low | 12:46:24 - 13:16:24 | 5258 |
| Goldendale | 13:01:19 | -26.6 | Dark | Down | 26.7 | 129.9 | Low | 12:46:19 - 13:16:19 | 5229 |
| The Dalles | 13:01:18 | -26.8 | Dark | Down | 26.7 | 129.4 | Low | 12:46:18 - 13:16:18 | 5206 |
| Maupin | 13:01:17 | -26.7 | Dark | Down | 27.0 | 129.3 | Low | 12:46:17 - 13:16:17 | 5173 |
| Madras/Culver | 13:01:16 | -26.7 | Dark | Down | 27.3 | 129.1 | Low | 12:46:16 - 13:16:16 | 5127 |
| Redmond | 13:01:15 | -26.7 | Dark | Down | 27.5 | 128.9 | Low | 12:46:15 - 13:16:15 | 5096 |
| Sisters | 13:01:14 | -27.0 | Dark | Down | 27.3 | 128.5 | Low | 12:46:14 - 13:16:14 | 5093 |
| Bend | 13:01:14 | -26.7 | Dark | Down | 27.6 | 128.7 | Low | 12:46:14 - 13:16:14 | 5077 |
| Oregon Observatory | 13:01:13 | -26.8 | Dark | Down | 27.6 | 128.5 | Low | 12:46:13 - 13:16:13 | 5060 |
| La Pine/Gilchrist | 13:01:12 | -26.8 | Dark | Down | 27.7 | 128.3 | Low | 12:46:12 - 13:16:12 | 5042 |
| North Lake | 13:01:13 | -26.3 | Dark | Down | 28.3 | 128.7 | Low | 12:46:13 - 13:16:13 | 5014 |
| Niwot | 13:02:04 | -14.0 | AT | Down | 38.8 | 143.6 | Up | 12:47:04 - 13:17:04 | 4998 |
| Paisley | 13:01:13 | -26.0 | Dark | Down | 28.8 | 128.8 | Low | 12:46:13 - 13:16:13 | 4973 |
| Chiloquin | 13:01:09 | -27.0 | Dark | Down | 28.2 | 127.5 | Low | 12:46:09 - 13:16:09 | 4942 |
| Lakeview | 13:01:13 | -25.8 | Dark | Down | 29.3 | 128.8 | Low | 12:46:13 - 13:16:13 | 4932 |
| Klamath Falls | 13:01:08 | -26.9 | Dark | Down | 28.4 | 127.5 | Low | 12:46:08 - 13:16:08 | 4914 |
| Tulelake | 13:01:09 | -26.6 | Dark | Down | 28.8 | 127.6 | Low | 12:46:09 - 13:16:09 | 4895 |
| Cedarville | 13:01:12 | -25.5 | Dark | Down | 29.8 | 128.6 | Low | 12:46:12 - 13:16:12 | 4878 |
| Fall River/Burney | 13:01:07 | -26.4 | Dark | Down | 29.3 | 127.3 | Low | 12:46:07 - 13:16:07 | 4818 |
| Susanville | 13:01:09 | -25.7 | Dark | Down | 30.2 | 127.7 | Up | 12:46:09 - 13:16:09 | 4774 |
| Gimple | 13:01:07 | -25.8 | Dark | Down | 30.2 | 127.4 | Up | 12:46:07 - 13:16:07 | 4746 |
| Greenville | 13:01:07 | -25.9 | Dark | Down | 30.2 | 127.3 | Up | 12:46:07 - 13:16:07 | 4745 |
| Quincy | 13:01:07 | -25.9 | Dark | Down | 30.3 | 127.2 | Up | 12:46:07 - 13:16:07 | 4727 |
| Portola | 13:01:08 | -25.5 | Dark | Down | 30.7 | 127.6 | Up | 12:46:08 - 13:16:08 | 4723 |
| Reno | 13:01:10 | -24.9 | Dark | Down | 31.2 | 128.0 | Up | 12:46:10 - 13:16:10 | 4710 |
| Carson City | 13:01:08 | -24.9 | Dark | Down | 31.5 | 127.9 | Up | 12:46:08 - 13:16:08 | 4679 |
| Yerington | 13:01:10 | -24.3 | Dark | Down | 32.0 | 128.4 | Up | 12:46:10 - 13:16:10 | 4671 |
| Gardnerville | 13:01:09 | -24.8 | Dark | Down | 31.6 | 127.8 | Up | 12:46:09 - 13:16:09 | 4658 |
| Hawthorne | 13:01:12 | -23.8 | Dark | Down | 32.6 | 128.7 | Up | 12:46:12 - 13:16:12 | 4638 |
| Tonopah | 13:01:16 | -22.6 | Dark | Down | 33.8 | 129.8 | Up | 12:46:16 - 13:16:16 | 4620 |
| Lee Vining | 13:01:10 | -24.1 | Dark | Down | 32.6 | 127.9 | Up | 12:46:10 - 13:16:10 | 4580 |
| Bishop | 13:01:11 | -23.4 | Dark | Down | 33.5 | 128.3 | Up | 12:46:11 - 13:16:11 | 4538 |
| Beatty | 13:01:16 | -22.0 | Dark | Down | 34.8 | 129.6 | Up | 12:46:16 - 13:16:16 | 4523 |
| Indian Springs | 13:01:19 | -21.1 | Dark | Down | 35.7 | 130.5 | Up | 12:46:19 - 13:16:19 | 4511 |
| Henderson | 13:01:21 | -20.4 | Dark | Down | 36.4 | 130.9 | Up | 12:46:21 - 13:16:21 | 4475 |
| Lone Pine | 13:01:11 | -23.0 | Dark | Down | 34.1 | 128.2 | Up | 12:46:11 - 13:16:11 | 4474 |
| Patrick | 13:01:25 | -19.4 | Dark | Down | 37.5 | 131.6 | Up | 12:46:25 - 13:16:25 | 4436 |
| Searchlight/Boulder City | 13:01:21 | -20.2 | Dark | Down | 36.8 | 130.6 | Up | 12:46:21 - 13:16:21 | 4423 |
| DCO | 13:01:27 | -18.7 | Dark | Down | 38.2 | 132.2 | Up | 12:46:27 - 13:16:27 | 4421 |
| Kingman/Dolan Springs | 13:01:24 | -19.5 | Dark | Down | 37.6 | 131.3 | Up | 12:46:24 - 13:16:24 | 4413 |
| Laughlin/Bullhead City | 13:01:22 | -19.9 | Dark | Down | 37.3 | 130.8 | Up | 12:46:22 - 13:16:22 | 4402 |
| Mohave Valley | 13:01:21 | -19.8 | Dark | Down | 37.4 | 130.6 | Up | 12:46:21 - 13:16:21 | 4377 |
| Lake Havasu City | 13:01:22 | -19.5 | Dark | Down | 37.9 | 130.6 | Up | 12:46:22 - 13:16:22 | 4344 |
| Parker | 13:01:21 | -19.4 | Dark | Down | 38.1 | 130.5 | Up | 12:46:21 - 13:16:21 | 4312 |
| CPSLO | 13:01:00 | -24.8 | Dark | Down | 33.2 | 125.1 | Up | 12:46:00 - 13:16:00 | 4311 |
| Blythe | 13:01:19 | -19.5 | Dark | Down | 38.2 | 129.8 | Up | 12:46:19 - 13:16:19 | 4258 |
| Wildwood | 13:01:06 | -22.9 | Dark | Down | 35.3 | 126.3 | Up | 12:46:06 - 13:16:06 | 4232 |
| Idyllwild | 13:01:12 | -21.2 | Dark | Down | 36.8 | 127.9 | Up | 12:46:12 - 13:16:12 | 4231 |
| Calipatria | 13:01:15 | -20.1 | Dark | Down | 37.9 | 128.6 | Up | 12:46:15 - 13:16:15 | 4195 |
| Yuma | 13:01:18 | -19.3 | Dark | Down | 38.8 | 129.2 | Up | 12:46:18 - 13:16:18 | 4170 |
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 05GV210, (2018/12/19 13:05UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 8.25 157 80 Vir 13:35:31.3 -05:23:45 5.7 2.38 159 PPM 196807 13:43:30.3 -04:16:29 7.2 0.19 160 PPM 196822 13:44:06.3 -04:23:19 9.9 0.02 161 05GV210 13:44:09.1 -04:22:44 14.9 161 Positions are for J2000
Event circumstances last updated at 2018/10/23 20:46:16 UT
Marc W. Buie, Southwest Research Institute