Event between 14YX49 and star GA1220:03358482 with event index number of 173555
Geocentric closest approach at 2018/12/20 12:03:39 UTC
J2000 position of star is 08:49:48.5 +33:19:25
Equinox of date position of star is 08:50:57.1 +33:15:15
Stellar brightness G=16.5,
use SENSEUP=128
Star is 69 degrees from the moon.
Moon is 93% illuminated.
TNO apparent brightness V=21.9
[RECON map]
TNO is 20.0 AU from the Sun
and 19.2 AU from the Earth.
The TNO is moving 19.6
km/sec on the sky relative to the star, or,
5.1 arcsec/hr.
The 1-sigma error in the time of the event is 191 seconds.
The 1-sigma cross-track error in the shadow position is
2827 km.
The sky-plane scale is
13930.4 km/arcsec.
The TNO has an absolute magnitude Hv=8.8
Diameter=107.2 km assuming a 5% albedo -- 5.5 sec chord
Diameter=43.7 km assuming a 30% albedo -- 2.2 sec chord
Dynamical classification is CENTAURR
Star training set for 14YX49, (2018/12/20 12:04UT) Object RA Dec mag sep mel Pollux 07:46:28.5 +27:58:44 1.1 14.83 56 PPM 074073 08:55:07.1 +35:27:56 6.1 2.37 70 PPM 074024 08:51:42.7 +33:12:47 6.7 0.16 69 14YX49 08:50:59.1 +33:15:07 16.5 70 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
4.7 sigma about the mid-time.
The median site spacing is 16.8 km
RECON observability=1.0 and success probability=11.6%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Niwot | 12:02:28 | -25.2 | Dark | Down | 63.6 | 265.3 | Up | 11:47:28 - 12:17:28 | 2698 |
| Penticton | 12:03:45 | -35.6 | Dark | Up | 69.0 | 226.1 | Up | 11:48:45 - 12:18:45 | 2493 |
| Oroville | 12:03:42 | -35.6 | Dark | Up | 69.4 | 227.4 | Up | 11:48:42 - 12:18:42 | 2458 |
| Tonasket | 12:03:40 | -35.6 | Dark | Up | 69.6 | 227.9 | Up | 11:48:40 - 12:18:40 | 2442 |
| Okanogan | 12:03:39 | -35.7 | Dark | Up | 69.9 | 228.3 | Up | 11:48:39 - 12:18:39 | 2410 |
| Brewster | 12:03:39 | -35.9 | Dark | Up | 70.1 | 228.4 | Up | 11:48:39 - 12:18:39 | 2381 |
| Manson/Chelan | 12:03:39 | -36.1 | Dark | Up | 70.5 | 228.1 | Up | 11:48:39 - 12:18:39 | 2347 |
| Entiat | 12:03:38 | -36.2 | Dark | Up | 70.6 | 228.4 | Up | 11:48:38 - 12:18:38 | 2328 |
| Wenatchee | 12:03:37 | -36.3 | Dark | Up | 70.9 | 228.8 | Up | 11:48:37 - 12:18:37 | 2304 |
| Pasco | 12:03:30 | -35.6 | Dark | Up | 71.0 | 233.7 | Up | 11:48:30 - 12:18:30 | 2286 |
| PNWRO | 12:03:28 | -35.4 | Dark | Up | 71.0 | 234.7 | Up | 11:48:28 - 12:18:28 | 2281 |
| Ellensburg | 12:03:37 | -36.5 | Dark | Up | 71.3 | 229.2 | Up | 11:48:37 - 12:18:37 | 2263 |
| George/Umatilla | 12:03:28 | -35.7 | Dark | Up | 71.3 | 234.0 | Up | 11:48:28 - 12:18:28 | 2251 |
| Yakima | 12:03:35 | -36.5 | Dark | Up | 71.5 | 230.1 | Up | 11:48:35 - 12:18:35 | 2233 |
| Toppenish/White Swan | 12:03:33 | -36.4 | Dark | Up | 71.6 | 230.9 | Up | 11:48:33 - 12:18:33 | 2227 |
| Goldendale | 12:03:32 | -36.7 | Dark | Up | 72.2 | 231.4 | Up | 11:48:32 - 12:18:32 | 2164 |
| The Dalles | 12:03:32 | -37.0 | Dark | Up | 72.5 | 231.1 | Up | 11:48:32 - 12:18:32 | 2128 |
| Maupin | 12:03:31 | -37.0 | Dark | Up | 72.7 | 232.4 | Up | 11:48:31 - 12:18:31 | 2103 |
| Madras/Culver | 12:03:28 | -37.0 | Dark | Up | 73.1 | 233.7 | Up | 11:48:28 - 12:18:28 | 2060 |
| Redmond | 12:03:27 | -37.1 | Dark | Up | 73.3 | 234.6 | Up | 11:48:27 - 12:18:27 | 2031 |
| Sisters | 12:03:28 | -37.4 | Dark | Up | 73.5 | 233.6 | Up | 11:48:28 - 12:18:28 | 2011 |
| Bend | 12:03:26 | -37.2 | Dark | Up | 73.5 | 234.8 | Up | 11:48:26 - 12:18:26 | 2007 |
| Oregon Observatory | 12:03:26 | -37.3 | Dark | Up | 73.7 | 235.0 | Up | 11:48:26 - 12:18:26 | 1987 |
| North Lake | 12:03:22 | -36.9 | Dark | Up | 73.7 | 238.0 | Up | 11:48:22 - 12:18:22 | 1970 |
| La Pine/Gilchrist | 12:03:25 | -37.4 | Dark | Up | 73.8 | 235.5 | Up | 11:48:25 - 12:18:25 | 1969 |
| Paisley | 12:03:18 | -36.7 | Dark | Up | 73.8 | 240.3 | Up | 11:48:18 - 12:18:18 | 1950 |
| Lakeview | 12:03:16 | -36.6 | Dark | Up | 73.9 | 242.1 | Up | 11:48:16 - 12:18:16 | 1923 |
| Cedarville | 12:03:13 | -36.4 | Dark | Up | 74.1 | 244.5 | Up | 11:48:13 - 12:18:13 | 1884 |
| Chiloquin | 12:03:22 | -37.7 | Dark | Up | 74.7 | 238.0 | Up | 11:48:22 - 12:18:22 | 1865 |
| DCO | 12:02:25 | -30.6 | Dark | Up | 70.1 | 271.8 | Up | 11:47:25 - 12:17:25 | 1849 |
| Klamath Falls | 12:03:20 | -37.6 | Dark | Up | 74.8 | 239.2 | Up | 11:48:20 - 12:18:20 | 1844 |
| Tulelake | 12:03:18 | -37.4 | Dark | Up | 74.8 | 240.7 | Up | 11:48:18 - 12:18:18 | 1841 |
| Patrick | 12:02:29 | -31.2 | Dark | Up | 70.7 | 270.5 | Up | 11:47:29 - 12:17:29 | 1824 |
| Tonopah | 12:02:50 | -34.1 | Dark | Up | 73.1 | 259.9 | Up | 11:47:50 - 12:17:50 | 1805 |
| Henderson | 12:02:34 | -32.2 | Dark | Up | 71.6 | 268.0 | Up | 11:47:34 - 12:17:34 | 1797 |
| Kingman/Dolan Springs | 12:02:29 | -31.3 | Dark | Up | 70.8 | 271.1 | Up | 11:47:29 - 12:17:29 | 1796 |
| Indian Springs | 12:02:39 | -32.8 | Dark | Up | 72.1 | 265.9 | Up | 11:47:39 - 12:17:39 | 1792 |
| Fall River/Burney | 12:03:14 | -37.4 | Dark | Up | 75.1 | 243.8 | Up | 11:48:14 - 12:18:14 | 1777 |
| Susanville | 12:03:09 | -36.8 | Dark | Up | 74.9 | 247.3 | Up | 11:48:09 - 12:18:09 | 1773 |
| Laughlin/Bullhead City | 12:02:30 | -31.7 | Dark | Up | 71.2 | 270.9 | Up | 11:47:30 - 12:17:30 | 1760 |
| Searchlight/Boulder City | 12:02:32 | -32.1 | Dark | Up | 71.5 | 269.8 | Up | 11:47:32 - 12:17:32 | 1760 |
| Reno | 12:03:03 | -36.2 | Dark | Up | 74.6 | 251.6 | Up | 11:48:03 - 12:18:03 | 1757 |
| Yerington | 12:03:00 | -35.6 | Dark | Up | 74.3 | 254.4 | Up | 11:48:00 - 12:18:00 | 1755 |
| Hawthorne | 12:02:55 | -35.2 | Dark | Up | 74.0 | 256.7 | Up | 11:47:55 - 12:17:55 | 1752 |
| Beatty | 12:02:43 | -33.7 | Dark | Up | 72.9 | 264.0 | Up | 11:47:43 - 12:17:43 | 1748 |
| Mohave Valley | 12:02:29 | -31.7 | Dark | Up | 71.2 | 271.7 | Up | 11:47:29 - 12:17:29 | 1741 |
| Gimple | 12:03:09 | -37.0 | Dark | Up | 75.2 | 247.9 | Up | 11:48:09 - 12:18:09 | 1739 |
| Portola | 12:03:06 | -36.7 | Dark | Up | 75.0 | 249.7 | Up | 11:48:06 - 12:18:06 | 1738 |
| Greenville | 12:03:09 | -37.0 | Dark | Up | 75.2 | 247.7 | Up | 11:48:09 - 12:18:09 | 1734 |
| Carson City | 12:03:02 | -36.1 | Dark | Up | 74.7 | 252.9 | Up | 11:48:02 - 12:18:02 | 1731 |
| Lake Havasu City | 12:02:26 | -31.5 | Dark | Up | 71.0 | 273.0 | Up | 11:47:26 - 12:17:26 | 1728 |
| Quincy | 12:03:09 | -37.0 | Dark | Up | 75.3 | 248.4 | Up | 11:48:09 - 12:18:09 | 1719 |
| Gardnerville | 12:03:00 | -36.1 | Dark | Up | 74.8 | 253.8 | Up | 11:48:00 - 12:18:00 | 1715 |
| Parker | 12:02:25 | -31.4 | Dark | Up | 71.0 | 274.0 | Up | 11:47:25 - 12:17:25 | 1704 |
| Lee Vining | 12:02:55 | -35.6 | Dark | Up | 74.5 | 258.0 | Up | 11:47:55 - 12:17:55 | 1680 |
| Bishop | 12:02:50 | -35.0 | Dark | Up | 74.1 | 260.9 | Up | 11:47:50 - 12:17:50 | 1680 |
| Blythe | 12:02:23 | -31.6 | Dark | Up | 71.2 | 275.4 | Up | 11:47:23 - 12:17:23 | 1646 |
| Lone Pine | 12:02:46 | -34.7 | Dark | Up | 74.0 | 263.9 | Up | 11:47:46 - 12:17:46 | 1643 |
| Yuma | 12:02:20 | -31.5 | Dark | Up | 71.1 | 278.1 | Up | 11:47:20 - 12:17:20 | 1575 |
| Calipatria | 12:02:25 | -32.2 | Dark | Up | 71.9 | 276.6 | Up | 11:47:25 - 12:17:25 | 1547 |
| Idyllwild | 12:02:30 | -33.3 | Dark | Up | 72.9 | 274.3 | Up | 11:47:30 - 12:17:30 | 1514 |
| Wildwood | 12:02:37 | -34.9 | Dark | Up | 74.5 | 272.4 | Up | 11:47:37 - 12:17:37 | 1419 |
| CPSLO | 12:02:49 | -36.6 | Dark | Up | 76.2 | 266.5 | Up | 11:47:49 - 12:17:49 | 1381 |
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 14YX49, (2018/12/20 12:04UT) Object RA Dec mag sep mel Pollux 07:45:18.1 +28:01:33 1.1 14.83 56 PPM 074073 08:53:55.7 +35:32:18 6.1 2.37 70 PPM 074024 08:50:32.1 +33:17:05 6.7 0.16 69 14YX49 08:49:48.5 +33:19:25 16.5 69 Positions are for J2000
Event circumstances last updated at 2018/06/05 16:39:35 UT
Marc W. Buie, Southwest Research Institute