Event between 05LA54 and star GA0640:14154186 with event index number of 190096
Geocentric closest approach at 2019/05/20 06:35:00 UTC
J2000 position of star is 17:22:10.2 -24:36:00
Equinox of date position of star is 17:23:19.7 -24:37:02
Stellar brightness G=14.0,
use SENSEUP=64
Star is 7 degrees from the moon.
Moon is 98% illuminated.
TNO apparent brightness V=22.9
[RECON map]
TNO is 41.4 AU from the Sun
and 40.4 AU from the Earth.
The TNO is moving 22.3
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 747 seconds.
The 1-sigma cross-track error in the shadow position is
4844 km.
The sky-plane scale is
29334.6 km/arcsec.
The TNO has an absolute magnitude Hv=6.7
Diameter=271.7 km assuming a 5% albedo -- 12.2 sec chord
Diameter=110.9 km assuming a 30% albedo -- 5.0 sec chord
Dynamical classification is CLASSICAL
Star training set for 05LA54, (2019/05/20 06:35UT) Object RA Dec mag sep mel Antares 16:30:35.9 -26:28:24 0.9 12.04 10 35Eta Oph 17:11:29.5 -15:44:51 2.6 9.30 5 PPM 266746 17:22:53.0 -24:55:26 6.5 0.32 7 PPM 266729 17:22:19.2 -24:42:06 8.5 0.25 7 PPM 266762 17:23:20.6 -24:44:36 10.0 0.13 7 05LA54 17:23:21.5 -24:37:03 14.0 7 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
1.2 sigma about the mid-time.
The median site spacing is 16.9 km
RECON observability=0.2 and success probability=0.2%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 06:37:10 | -18.1 | Dark | Up | 6.3 | 141.4 | Really Low | 06:22:10 - 06:52:10 | 13982 |
| Summerland | 06:37:10 | -18.1 | Dark | Up | 6.2 | 141.1 | Really Low | 06:22:10 - 06:52:10 | 13972 |
| Penticton | 06:37:10 | -18.4 | Dark | Up | 6.5 | 141.2 | Really Low | 06:22:10 - 06:52:10 | 13963 |
| Okanagan Falls | 06:37:11 | -18.6 | Dark | Up | 6.7 | 141.2 | Really Low | 06:22:11 - 06:52:11 | 13955 |
| Oliver | 06:37:11 | -18.8 | Dark | Up | 6.8 | 141.2 | Really Low | 06:22:11 - 06:52:11 | 13948 |
| Anarchist Mountain Observatory | 06:37:12 | -19.0 | Dark | Up | 7.0 | 141.4 | Really Low | 06:22:12 - 06:52:12 | 13945 |
| Oroville | 06:37:11 | -19.0 | Dark | Up | 7.0 | 141.3 | Really Low | 06:22:11 - 06:52:11 | 13941 |
| Tonasket | 06:37:13 | -19.2 | Dark | Up | 7.2 | 141.3 | Really Low | 06:22:13 - 06:52:13 | 13931 |
| Okanogan | 06:37:13 | -19.5 | Dark | Up | 7.4 | 141.1 | Really Low | 06:22:13 - 06:52:13 | 13913 |
| Brewster | 06:37:15 | -19.7 | Dark | Up | 7.6 | 141.0 | Really Low | 06:22:15 - 06:52:15 | 13897 |
| Manson/Chelan | 06:37:16 | -19.9 | Dark | Up | 7.6 | 140.6 | Really Low | 06:22:16 - 06:52:16 | 13880 |
| Entiat | 06:37:17 | -20.1 | Dark | Up | 7.7 | 140.6 | Really Low | 06:22:17 - 06:52:17 | 13868 |
| Wenatchee | 06:37:18 | -20.3 | Dark | Up | 7.9 | 140.5 | Really Low | 06:22:18 - 06:52:18 | 13855 |
| Ellensburg | 06:37:19 | -20.6 | Dark | Up | 8.1 | 140.3 | Really Low | 06:22:19 - 06:52:19 | 13831 |
| Pasco | 06:37:18 | -21.6 | Dark | Up | 9.3 | 141.3 | Really Low | 06:22:18 - 06:52:18 | 13829 |
| PNWRO | 06:37:18 | -21.9 | Dark | Up | 9.6 | 141.5 | Really Low | 06:22:18 - 06:52:18 | 13823 |
| Niwot | 06:36:50 | -29.8 | Dark | Up | 19.9 | 152.2 | Really Low | 06:21:50 - 06:51:50 | 13821 |
| Yakima | 06:37:20 | -21.0 | Dark | Up | 8.4 | 140.2 | Really Low | 06:22:20 - 06:52:20 | 13812 |
| George/Umatilla | 06:37:19 | -21.9 | Dark | Up | 9.5 | 141.1 | Really Low | 06:22:19 - 06:52:19 | 13809 |
| Toppenish/White Swan | 06:37:21 | -21.2 | Dark | Up | 8.6 | 140.3 | Really Low | 06:22:21 - 06:52:21 | 13806 |
| Goldendale | 06:37:23 | -21.6 | Dark | Up | 8.9 | 139.9 | Really Low | 06:22:23 - 06:52:23 | 13769 |
| The Dalles | 06:37:25 | -21.8 | Dark | Up | 8.9 | 139.6 | Really Low | 06:22:25 - 06:52:25 | 13750 |
| Maupin | 06:37:25 | -22.2 | Dark | Up | 9.3 | 139.7 | Really Low | 06:22:25 - 06:52:25 | 13732 |
| Madras/Culver | 06:37:26 | -22.7 | Dark | Up | 9.7 | 139.6 | Really Low | 06:22:26 - 06:52:26 | 13704 |
| Redmond | 06:37:27 | -23.0 | Dark | Up | 9.9 | 139.5 | Really Low | 06:22:27 - 06:52:27 | 13685 |
| Sisters | 06:37:29 | -22.9 | Dark | Up | 9.7 | 139.2 | Really Low | 06:22:29 - 06:52:29 | 13676 |
| Bend | 06:37:28 | -23.2 | Dark | Up | 10.0 | 139.4 | Really Low | 06:22:28 - 06:52:28 | 13671 |
| Oregon Observatory | 06:37:29 | -23.3 | Dark | Up | 10.1 | 139.2 | Really Low | 06:22:29 - 06:52:29 | 13659 |
| La Pine/Gilchrist | 06:37:29 | -23.5 | Dark | Up | 10.2 | 139.2 | Really Low | 06:22:29 - 06:52:29 | 13647 |
| North Lake | 06:37:29 | -24.0 | Dark | Up | 10.8 | 139.6 | Really Low | 06:22:29 - 06:52:29 | 13639 |
| Paisley | 06:37:29 | -24.6 | Dark | Up | 11.4 | 139.8 | Really Low | 06:22:29 - 06:52:29 | 13619 |
| Lakeview | 06:37:30 | -25.2 | Dark | Up | 11.9 | 139.9 | Really Low | 06:22:30 - 06:52:30 | 13597 |
| Chiloquin | 06:37:33 | -24.4 | Dark | Up | 10.9 | 138.8 | Really Low | 06:22:33 - 06:52:33 | 13579 |
| Cedarville | 06:37:31 | -25.8 | Dark | Up | 12.5 | 140.0 | Really Low | 06:22:31 - 06:52:31 | 13566 |
| Klamath Falls | 06:37:34 | -24.7 | Dark | Up | 11.2 | 138.8 | Really Low | 06:22:34 - 06:52:34 | 13563 |
| Tulelake | 06:37:33 | -25.1 | Dark | Up | 11.5 | 139.0 | Really Low | 06:22:33 - 06:52:33 | 13556 |
| Fall River/Burney | 06:37:36 | -25.9 | Dark | Up | 12.3 | 138.9 | Really Low | 06:22:36 - 06:52:36 | 13508 |
| Susanville | 06:37:35 | -26.7 | Dark | Up | 13.1 | 139.4 | Really Low | 06:22:35 - 06:52:35 | 13492 |
| Gimple | 06:37:36 | -26.9 | Dark | Up | 13.2 | 139.2 | Really Low | 06:22:36 - 06:52:36 | 13471 |
| Greenville | 06:37:36 | -26.9 | Dark | Up | 13.2 | 139.2 | Really Low | 06:22:36 - 06:52:36 | 13469 |
| Reno | 06:37:34 | -27.8 | Dark | Up | 14.2 | 139.9 | Really Low | 06:22:34 - 06:52:34 | 13464 |
| Portola | 06:37:36 | -27.4 | Dark | Up | 13.7 | 139.5 | Really Low | 06:22:36 - 06:52:36 | 13463 |
| Quincy | 06:37:37 | -27.1 | Dark | Up | 13.3 | 139.1 | Really Low | 06:22:37 - 06:52:37 | 13458 |
| Yerington | 06:37:34 | -28.5 | Dark | Up | 14.9 | 140.4 | Really Low | 06:22:34 - 06:52:34 | 13449 |
| Tonopah | 06:37:30 | -29.9 | Dark | Up | 16.6 | 141.7 | Really Low | 06:22:30 - 06:52:30 | 13444 |
| Carson City | 06:37:35 | -28.1 | Dark | Up | 14.5 | 139.9 | Really Low | 06:22:35 - 06:52:35 | 13444 |
| Hawthorne | 06:37:33 | -29.1 | Dark | Up | 15.6 | 140.7 | Really Low | 06:22:33 - 06:52:33 | 13436 |
| Gardnerville | 06:37:36 | -28.4 | Dark | Up | 14.7 | 139.9 | Really Low | 06:22:36 - 06:52:36 | 13431 |
| Indian Springs | 06:37:28 | -31.6 | Dark | Up | 18.5 | 142.7 | Really Low | 06:22:28 - 06:52:28 | 13394 |
| Lee Vining | 06:37:36 | -29.5 | Dark | Up | 15.7 | 140.2 | Really Low | 06:22:36 - 06:52:36 | 13390 |
| Beatty | 06:37:31 | -31.1 | Dark | Up | 17.7 | 141.9 | Really Low | 06:22:31 - 06:52:31 | 13387 |
| Henderson | 06:37:27 | -32.3 | Dark | Up | 19.3 | 143.1 | Really Low | 06:22:27 - 06:52:27 | 13379 |
| Bishop | 06:37:35 | -30.2 | Dark | Up | 16.6 | 140.7 | Really Low | 06:22:35 - 06:52:35 | 13373 |
| Patrick | 06:37:25 | -33.2 | Dark | Up | 20.3 | 143.9 | Low | 06:22:25 - 06:52:25 | 13368 |
| DCO | 06:37:23 | -33.6 | Dark | Up | 20.9 | 144.4 | Low | 06:22:23 - 06:52:23 | 13366 |
| Kingman/Dolan Springs | 06:37:26 | -33.3 | Dark | Up | 20.4 | 143.7 | Low | 06:22:26 - 06:52:26 | 13350 |
| Searchlight/Boulder City | 06:37:28 | -32.9 | Dark | Up | 19.8 | 143.1 | Really Low | 06:22:28 - 06:52:28 | 13345 |
| Lone Pine | 06:37:35 | -31.0 | Dark | Up | 17.3 | 140.8 | Really Low | 06:22:35 - 06:52:35 | 13336 |
| Laughlin/Bullhead City | 06:37:27 | -33.2 | Dark | Up | 20.2 | 143.3 | Low | 06:22:27 - 06:52:27 | 13336 |
| Mohave Valley | 06:37:28 | -33.5 | Dark | Up | 20.4 | 143.2 | Low | 06:22:28 - 06:52:28 | 13319 |
| Lake Havasu City | 06:37:28 | -34.0 | Dark | Up | 20.8 | 143.3 | Low | 06:22:28 - 06:52:28 | 13300 |
| Parker | 06:37:28 | -34.3 | Dark | Up | 21.1 | 143.3 | Low | 06:22:28 - 06:52:28 | 13278 |
| Blythe | 06:37:30 | -34.7 | Dark | Up | 21.4 | 142.9 | Low | 06:22:30 - 06:52:30 | 13237 |
| Idyllwild | 06:37:37 | -34.1 | Dark | Up | 20.3 | 141.3 | Low | 06:22:37 - 06:52:37 | 13190 |
| CPSLO | 06:37:44 | -31.5 | Dark | Up | 17.0 | 138.6 | Really Low | 06:22:44 - 06:52:44 | 13185 |
| Calipatria | 06:37:34 | -35.0 | Dark | Up | 21.3 | 142.1 | Low | 06:22:34 - 06:52:34 | 13181 |
| Yuma | 06:37:32 | -35.6 | Dark | Up | 22.1 | 142.7 | Low | 06:22:32 - 06:52:32 | 13176 |
| Wildwood | 06:37:42 | -33.2 | Dark | Up | 19.0 | 139.9 | Really Low | 06:22:42 - 06:52:42 | 13163 |
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 05LA54, (2019/05/20 06:35UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 12.04 10 35Eta Oph 17:10:22.7 -15:43:29 2.6 9.30 5 PPM 266746 17:21:41.5 -24:54:23 6.5 0.32 7 PPM 266729 17:21:07.8 -24:41:01 8.5 0.25 7 PPM 266762 17:22:09.2 -24:43:34 10.0 0.13 7 05LA54 17:22:10.2 -24:36:00 14.0 7 Positions are for J2000
Event circumstances last updated at 2018/11/28 22:05:29 UT
Marc W. Buie, Southwest Research Institute