Event between 14YJ50 and star GA1140:03125794 with event index number of 322065
Geocentric closest approach at 2019/02/10 04:06:10 UTC
J2000 position of star is 08:56:34.4 +24:11:23
Equinox of date position of star is 08:57:41.2 +24:06:56
Stellar brightness G=14.2,
use SENSEUP=64
Star is 111 degrees from the moon.
Moon is 24% illuminated.
TNO apparent brightness V=22.3
[RECON map]
TNO is 35.5 AU from the Sun
and 34.5 AU from the Earth.
The TNO is moving 24.5
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 79 seconds.
The 1-sigma cross-track error in the shadow position is
1411 km.
The sky-plane scale is
25023.1 km/arcsec.
The TNO has an absolute magnitude Hv=6.8
Diameter=264.2 km assuming a 5% albedo -- 10.8 sec chord
Diameter=107.9 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is 3:2E
Star training set for 14YJ50, (2019/02/10 04:06UT) Object RA Dec mag sep mel Pollux 07:46:29.0 +27:58:43 1.1 16.44 95 69Nu Cnc 09:03:51.1 +24:22:35 5.4 1.43 113 PPM 099167 08:57:20.7 +24:22:24 7.1 0.27 111 PPM 099171 08:57:32.0 +23:52:25 9.7 0.24 111 14YJ50 08:57:41.3 +24:06:56 14.2 111 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 24.3 km
RECON observability=1.0 and success probability=34.8%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 04:08:51 | -29.7 | Dark | Up | 42.9 | 103.6 | Up | 04:01:46 - 04:15:55 | 1551 |
| Summerland | 04:08:52 | -29.5 | Dark | Up | 42.7 | 103.2 | Up | 04:01:47 - 04:15:56 | 1551 |
| Penticton | 04:08:52 | -29.7 | Dark | Up | 42.8 | 103.1 | Up | 04:01:47 - 04:15:56 | 1517 |
| Okanagan Falls | 04:08:52 | -29.7 | Dark | Up | 42.9 | 102.9 | Up | 04:01:47 - 04:15:56 | 1498 |
| Oliver | 04:08:53 | -29.8 | Dark | Up | 42.9 | 102.8 | Up | 04:01:48 - 04:15:57 | 1481 |
| Anarchist Mountain Observatory | 04:08:53 | -30.0 | Dark | Up | 43.1 | 102.8 | Up | 04:01:48 - 04:15:57 | 1461 |
| Oroville | 04:08:53 | -29.9 | Dark | Up | 43.1 | 102.6 | Up | 04:01:49 - 04:15:58 | 1455 |
| Tonasket | 04:08:53 | -30.0 | Dark | Up | 43.1 | 102.4 | Up | 04:01:49 - 04:15:58 | 1431 |
| Okanogan | 04:08:54 | -30.0 | Dark | Up | 43.1 | 102.0 | Up | 04:01:49 - 04:15:58 | 1398 |
| Brewster | 04:08:55 | -29.9 | Dark | Up | 43.0 | 101.6 | Up | 04:01:50 - 04:15:59 | 1373 |
| Manson/Chelan | 04:08:56 | -29.7 | Dark | Up | 42.8 | 101.1 | Up | 04:01:52 - 04:16:01 | 1356 |
| Entiat | 04:08:57 | -29.7 | Dark | Up | 42.8 | 100.8 | Up | 04:01:52 - 04:16:01 | 1335 |
| Wenatchee | 04:08:57 | -29.7 | Dark | Up | 42.8 | 100.5 | Up | 04:01:52 - 04:16:01 | 1310 |
| Ellensburg | 04:08:58 | -29.6 | Dark | Up | 42.7 | 99.9 | Up | 04:01:54 - 04:16:03 | 1271 |
| Yakima | 04:08:59 | -29.7 | Dark | Up | 42.8 | 99.6 | Up | 04:01:55 - 04:16:04 | 1229 |
| Toppenish/White Swan | 04:08:59 | -29.8 | Dark | Up | 42.9 | 99.5 | Up | 04:01:55 - 04:16:04 | 1205 |
| Pasco | 04:08:57 | -30.7 | Dark | Up | 43.8 | 100.4 | Up | 04:01:52 - 04:16:01 | 1176 |
| Goldendale | 04:09:01 | -29.6 | Dark | Up | 42.7 | 98.6 | Up | 04:01:56 - 04:16:05 | 1153 |
| PNWRO | 04:08:56 | -30.9 | Dark | Up | 44.0 | 100.4 | Up | 04:01:52 - 04:16:01 | 1148 |
| George/Umatilla | 04:08:57 | -30.6 | Dark | Up | 43.7 | 99.9 | Up | 04:01:53 - 04:16:02 | 1144 |
| The Dalles | 04:09:02 | -29.4 | Dark | Up | 42.5 | 98.1 | Up | 04:01:58 - 04:16:07 | 1135 |
| Maupin | 04:09:02 | -29.6 | Dark | Up | 42.7 | 97.8 | Up | 04:01:58 - 04:16:07 | 1090 |
| Madras/Culver | 04:09:03 | -29.6 | Dark | Up | 42.7 | 97.3 | Up | 04:01:59 - 04:16:08 | 1034 |
| Sisters | 04:09:05 | -29.4 | Dark | Up | 42.4 | 96.7 | Up | 04:02:01 - 04:16:10 | 1005 |
| Redmond | 04:09:04 | -29.7 | Dark | Up | 42.7 | 97.0 | Up | 04:01:59 - 04:16:08 | 998 |
| Bend | 04:09:04 | -29.6 | Dark | Up | 42.6 | 96.7 | Up | 04:02:00 - 04:16:09 | 977 |
| Oregon Observatory | 04:09:05 | -29.5 | Dark | Up | 42.6 | 96.4 | Up | 04:02:01 - 04:16:10 | 961 |
| La Pine/Gilchrist | 04:09:06 | -29.5 | Dark | Up | 42.5 | 96.2 | Up | 04:02:01 - 04:16:10 | 940 |
| North Lake | 04:09:05 | -30.0 | Dark | Up | 43.0 | 96.2 | Up | 04:02:00 - 04:16:09 | 887 |
| Chiloquin | 04:09:08 | -29.4 | Dark | Up | 42.4 | 94.9 | Up | 04:02:03 - 04:16:12 | 829 |
| Paisley | 04:09:05 | -30.4 | Dark | Up | 43.3 | 96.0 | Up | 04:02:01 - 04:16:10 | 824 |
| Klamath Falls | 04:09:08 | -29.5 | Dark | Up | 42.5 | 94.6 | Up | 04:02:04 - 04:16:13 | 792 |
| Lakeview | 04:09:05 | -30.6 | Dark | Up | 43.5 | 95.6 | Up | 04:02:01 - 04:16:10 | 768 |
| Tulelake | 04:09:08 | -29.8 | Dark | Up | 42.7 | 94.6 | Up | 04:02:04 - 04:16:13 | 759 |
| Cedarville | 04:09:06 | -30.8 | Dark | Up | 43.7 | 95.2 | Up | 04:02:01 - 04:16:10 | 696 |
| Fall River/Burney | 04:09:09 | -30.0 | Dark | Up | 42.9 | 93.8 | Up | 04:02:05 - 04:16:14 | 662 |
| Susanville | 04:09:08 | -30.6 | Dark | Up | 43.5 | 93.8 | Up | 04:02:04 - 04:16:13 | 585 |
| Greenville | 04:09:09 | -30.4 | Dark | Up | 43.3 | 93.3 | Up | 04:02:05 - 04:16:14 | 560 |
| Gimple | 04:09:09 | -30.5 | Dark | Up | 43.3 | 93.4 | Up | 04:02:05 - 04:16:14 | 558 |
| Quincy | 04:09:10 | -30.4 | Dark | Up | 43.3 | 93.1 | Up | 04:02:05 - 04:16:14 | 538 |
| Portola | 04:09:09 | -30.8 | Dark | Up | 43.6 | 93.3 | Up | 04:02:04 - 04:16:13 | 518 |
| Reno | 04:09:07 | -31.3 | Dark | Up | 44.2 | 93.5 | Up | 04:02:03 - 04:16:12 | 481 |
| Carson City | 04:09:08 | -31.4 | Dark | Up | 44.2 | 93.2 | Up | 04:02:03 - 04:16:12 | 442 |
| Gardnerville | 04:09:08 | -31.5 | Dark | Up | 44.2 | 93.0 | Up | 04:02:03 - 04:16:12 | 415 |
| Yerington | 04:09:07 | -31.9 | Dark | Up | 44.7 | 93.4 | Up | 04:02:02 - 04:16:11 | 412 |
| Niwot | 04:08:29 | -42.0 | Dark | Up | 55.0 | 105.6 | Up | 04:01:24 - 04:15:33 | 409 |
| SwRI | 04:08:29 | -42.0 | Dark | Up | 55.0 | 105.4 | Up | 04:01:24 - 04:15:33 | 399 |
| Hawthorne | 04:09:06 | -32.4 | Dark | Up | 45.1 | 93.3 | Up | 04:02:01 - 04:16:10 | 355 |
| Lee Vining | 04:09:08 | -32.1 | Dark | Up | 44.8 | 92.4 | Up | 04:02:03 - 04:16:12 | 301 |
| Tonopah | 04:09:03 | -33.5 | Dark | Up | 46.3 | 93.8 | Up | 04:01:58 - 04:16:07 | 287 |
| Bishop | 04:09:06 | -32.7 | Dark | Up | 45.4 | 92.3 | Up | 04:02:02 - 04:16:11 | 227 |
| Beatty | 04:09:03 | -34.0 | Dark | Up | 46.7 | 92.8 | Up | 04:01:58 - 04:16:07 | 156 |
| Lone Pine | 04:09:06 | -33.0 | Dark | Up | 45.7 | 91.7 | Up | 04:02:02 - 04:16:11 | 141 |
| Indian Springs | 04:09:00 | -34.9 | Dark | Up | 47.6 | 93.2 | Up | 04:01:56 - 04:16:05 | 108 |
| Henderson | 04:08:59 | -35.6 | Dark | Up | 48.1 | 93.0 | Up | 04:01:55 - 04:16:04 | 42 |
| CPSLO | 04:09:14 | -31.1 | Dark | Up | 43.6 | 88.9 | Up | 04:02:10 - 04:16:19 | 37 |
| Searchlight/Boulder City | 04:08:59 | -35.7 | Dark | Up | 48.2 | 92.4 | Up | 04:01:55 - 04:16:04 | -21 |
| Patrick | 04:08:57 | -36.5 | Dark | Up | 49.1 | 93.0 | Up | 04:01:52 - 04:16:01 | -38 |
| Laughlin/Bullhead City | 04:08:59 | -36.0 | Dark | Up | 48.5 | 92.3 | Up | 04:01:54 - 04:16:03 | -57 |
| Kingman/Dolan Springs | 04:08:57 | -36.4 | Dark | Up | 48.9 | 92.6 | Up | 04:01:53 - 04:16:02 | -61 |
| DCO | 04:08:55 | -37.2 | Dark | Up | 49.7 | 93.1 | Up | 04:01:50 - 04:15:59 | -79 |
| Mohave Valley | 04:08:59 | -36.0 | Dark | Up | 48.5 | 92.0 | Up | 04:01:54 - 04:16:03 | -87 |
| Wildwood | 04:09:10 | -32.9 | Dark | Up | 45.3 | 88.9 | Up | 04:02:06 - 04:16:15 | -124 |
| Lake Havasu City | 04:08:59 | -36.3 | Dark | Up | 48.8 | 91.7 | Up | 04:01:54 - 04:16:03 | -134 |
| Parker | 04:08:59 | -36.4 | Dark | Up | 48.8 | 91.3 | Up | 04:01:54 - 04:16:03 | -172 |
| Idyllwild | 04:09:06 | -34.4 | Dark | Up | 46.8 | 89.5 | Up | 04:02:01 - 04:16:10 | -188 |
| Blythe | 04:09:00 | -36.2 | Dark | Up | 48.5 | 90.5 | Up | 04:01:55 - 04:16:04 | -226 |
| Calipatria | 04:09:03 | -35.5 | Dark | Up | 47.8 | 89.5 | Up | 04:01:58 - 04:16:07 | -269 |
| Yuma | 04:09:01 | -36.3 | Dark | Up | 48.5 | 89.5 | Up | 04:01:56 - 04:16:05 | -327 |
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 14YJ50, (2019/02/10 04:06UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 16.44 95 69Nu Cnc 09:02:44.2 +24:27:10 5.4 1.43 113 PPM 099167 08:56:13.7 +24:26:51 7.1 0.27 111 PPM 099171 08:56:25.1 +23:56:52 9.7 0.24 111 14YJ50 08:56:34.4 +24:11:23 14.2 111 Positions are for J2000
Event circumstances last updated at 2019/01/31 18:04:25 UT
Marc W. Buie, Southwest Research Institute