Event between (127546) 02XU93 and star GA1640:01226860 with event index number of 153472
Geocentric closest approach at 2018/11/06 09:49:50 UTC
J2000 position of star is 13:59:41.3 +74:27:57
Equinox of date position of star is 13:59:54.1 +74:22:31
Stellar brightness G=16.5,
use SENSEUP=128
Star is 81 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=22.0
[RECON map]
TNO is 23.8 AU from the Sun
and 23.8 AU from the Earth.
The TNO is moving 33.8
km/sec on the sky relative to the star, or,
7.0 arcsec/hr.
The 1-sigma error in the time of the event is 180 seconds.
The 1-sigma cross-track error in the shadow position is
2700 km.
The sky-plane scale is
17272.0 km/arcsec.
The TNO has an absolute magnitude Hv=8.0
Diameter=151.4 km assuming a 5% albedo -- 4.5 sec chord
Diameter=61.8 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
Star training set for 127546, (2018/11/06 09:50UT) Object RA Dec mag sep mel Deneb 20:42:04.5 +45:20:54 1.3 49.42 103 Kochab 14:50:40.2 +74:04:42 2.1 3.46 81 5 UMi 14:27:30.4 +75:36:44 4.3 2.17 82 PPM 008502 13:49:46.0 +75:28:26 8.0 1.28 82 PPM 008565 14:05:40.8 +74:37:30 8.7 0.46 81 PPM 008542 14:00:53.7 +74:37:56 11.5 0.27 81 127546 13:59:54.2 +74:22:29 16.5 81 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 6.2 km
RECON observability=1.0 and success probability=10.7%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| CPSLO | 09:48:16 | -56.6 | Dark | Down | 23.2 | 11.3 | Low | 09:33:16 - 10:03:16 | -210 |
| Wildwood | 09:48:10 | -55.7 | Dark | Down | 22.4 | 11.6 | Low | 09:33:10 - 10:03:10 | -297 |
| Quincy | 09:48:22 | -54.5 | Dark | Down | 27.7 | 11.6 | Low | 09:33:22 - 10:03:22 | -323 |
| Greenville | 09:48:22 | -54.4 | Dark | Down | 27.9 | 11.7 | Low | 09:33:22 - 10:03:22 | -329 |
| Gimple | 09:48:22 | -54.3 | Dark | Down | 27.9 | 11.7 | Low | 09:33:22 - 10:03:22 | -334 |
| Fall River/Burney | 09:48:24 | -54.1 | Dark | Down | 28.8 | 11.6 | Low | 09:33:24 - 10:03:24 | -336 |
| Portola | 09:48:21 | -54.2 | Dark | Down | 27.7 | 11.7 | Low | 09:33:21 - 10:03:21 | -344 |
| Susanville | 09:48:22 | -54.0 | Dark | Down | 28.2 | 11.8 | Low | 09:33:22 - 10:03:22 | -353 |
| Gardnerville | 09:48:18 | -54.2 | Dark | Down | 26.9 | 11.8 | Low | 09:33:18 - 10:03:18 | -355 |
| Klamath Falls | 09:48:27 | -53.6 | Dark | Down | 29.9 | 11.7 | Low | 09:33:27 - 10:03:27 | -358 |
| Carson City | 09:48:19 | -54.1 | Dark | Down | 27.2 | 11.8 | Low | 09:33:19 - 10:03:19 | -360 |
| Lee Vining | 09:48:16 | -54.3 | Dark | Down | 26.1 | 11.9 | Low | 09:33:16 - 10:03:16 | -361 |
| Tulelake | 09:48:26 | -53.6 | Dark | Down | 29.6 | 11.7 | Low | 09:33:26 - 10:03:26 | -363 |
| Chiloquin | 09:48:27 | -53.5 | Dark | Down | 30.2 | 11.7 | Up | 09:33:27 - 10:03:27 | -367 |
| Reno | 09:48:19 | -54.0 | Dark | Down | 27.5 | 11.9 | Low | 09:33:19 - 10:03:19 | -369 |
| Lone Pine | 09:48:12 | -54.2 | Dark | Down | 24.9 | 12.0 | Low | 09:33:12 - 10:03:12 | -385 |
| Bishop | 09:48:13 | -54.1 | Dark | Down | 25.6 | 12.0 | Low | 09:33:13 - 10:03:13 | -385 |
| Yerington | 09:48:17 | -53.8 | Dark | Down | 27.1 | 12.0 | Low | 09:33:17 - 10:03:17 | -388 |
| Idyllwild | 09:48:05 | -54.4 | Dark | Down | 22.3 | 12.0 | Low | 09:33:05 - 10:03:05 | -401 |
| Hawthorne | 09:48:16 | -53.7 | Dark | Down | 26.7 | 12.0 | Low | 09:33:16 - 10:03:16 | -403 |
| Cedarville | 09:48:23 | -53.1 | Dark | Down | 29.4 | 12.0 | Low | 09:33:23 - 10:03:23 | -414 |
| La Pine/Gilchrist | 09:48:28 | -52.6 | Dark | Down | 31.3 | 11.9 | Up | 09:33:28 - 10:03:28 | -424 |
| Lakeview | 09:48:24 | -52.8 | Dark | Down | 30.0 | 12.0 | Up | 09:33:24 - 10:03:24 | -427 |
| Oregon Observatory | 09:48:28 | -52.4 | Dark | Down | 31.5 | 12.0 | Up | 09:33:28 - 10:03:28 | -434 |
| Paisley | 09:48:25 | -52.6 | Dark | Down | 30.5 | 12.1 | Up | 09:33:25 - 10:03:25 | -435 |
| North Lake | 09:48:27 | -52.5 | Dark | Down | 31.0 | 12.0 | Up | 09:33:27 - 10:03:27 | -437 |
| Sisters | 09:48:29 | -52.2 | Dark | Down | 31.9 | 12.0 | Up | 09:33:29 - 10:03:29 | -444 |
| Bend | 09:48:28 | -52.2 | Dark | Down | 31.7 | 12.0 | Up | 09:33:28 - 10:03:28 | -447 |
| Calipatria | 09:48:02 | -53.6 | Dark | Down | 22.0 | 12.2 | Low | 09:33:02 - 10:03:02 | -461 |
| Redmond | 09:48:28 | -52.0 | Dark | Down | 31.9 | 12.1 | Up | 09:33:28 - 10:03:28 | -462 |
| Beatty | 09:48:10 | -53.1 | Dark | Down | 25.4 | 12.3 | Low | 09:33:10 - 10:03:10 | -466 |
| Tonopah | 09:48:12 | -52.9 | Dark | Down | 26.5 | 12.3 | Low | 09:33:12 - 10:03:12 | -469 |
| Madras/Culver | 09:48:29 | -51.8 | Dark | Down | 32.3 | 12.2 | Up | 09:33:29 - 10:03:29 | -478 |
| Maupin | 09:48:30 | -51.4 | Dark | Down | 32.8 | 12.2 | Up | 09:33:30 - 10:03:30 | -501 |
| Yuma | 09:48:00 | -53.1 | Dark | Down | 21.7 | 12.4 | Low | 09:33:00 - 10:03:00 | -510 |
| The Dalles | 09:48:30 | -51.2 | Dark | Down | 33.2 | 12.3 | Up | 09:33:30 - 10:03:30 | -512 |
| Indian Springs | 09:48:07 | -52.5 | Dark | Down | 25.3 | 12.5 | Low | 09:33:07 - 10:03:07 | -522 |
| Blythe | 09:48:01 | -52.8 | Dark | Down | 22.6 | 12.5 | Low | 09:33:01 - 10:03:01 | -528 |
| Goldendale | 09:48:30 | -50.9 | Dark | Down | 33.5 | 12.4 | Up | 09:33:30 - 10:03:30 | -538 |
| Searchlight/Boulder City | 09:48:04 | -52.4 | Dark | Down | 24.4 | 12.6 | Low | 09:33:04 - 10:03:04 | -543 |
| Henderson | 09:48:05 | -52.2 | Dark | Down | 24.9 | 12.6 | Low | 09:33:05 - 10:03:05 | -551 |
| Mohave Valley | 09:48:03 | -52.3 | Dark | Down | 23.9 | 12.6 | Low | 09:33:03 - 10:03:03 | -553 |
| Parker | 09:48:01 | -52.3 | Dark | Down | 23.2 | 12.6 | Low | 09:33:01 - 10:03:01 | -556 |
| Laughlin/Bullhead City | 09:48:03 | -52.2 | Dark | Down | 24.1 | 12.6 | Low | 09:33:03 - 10:03:03 | -558 |
| Lake Havasu City | 09:48:01 | -52.2 | Dark | Down | 23.5 | 12.6 | Low | 09:33:01 - 10:03:01 | -561 |
| Toppenish/White Swan | 09:48:30 | -50.3 | Dark | Down | 34.1 | 12.6 | Up | 09:33:30 - 10:03:30 | -580 |
| Yakima | 09:48:31 | -50.2 | Dark | Down | 34.3 | 12.6 | Up | 09:33:31 - 10:03:31 | -581 |
| Kingman/Dolan Springs | 09:48:02 | -51.8 | Dark | Down | 24.2 | 12.7 | Low | 09:33:02 - 10:03:02 | -590 |
| Ellensburg | 09:48:31 | -50.0 | Dark | Down | 34.7 | 12.6 | Up | 09:33:31 - 10:03:31 | -598 |
| Patrick | 09:48:02 | -51.6 | Dark | Down | 24.5 | 12.8 | Low | 09:33:02 - 10:03:02 | -606 |
| George/Umatilla | 09:48:27 | -50.0 | Dark | Down | 33.8 | 12.8 | Up | 09:33:27 - 10:03:27 | -611 |
| Wenatchee | 09:48:32 | -49.6 | Dark | Down | 35.1 | 12.8 | Up | 09:33:32 - 10:03:32 | -625 |
| Pasco | 09:48:28 | -49.7 | Dark | Down | 34.2 | 12.9 | Up | 09:33:28 - 10:03:28 | -635 |
| PNWRO | 09:48:27 | -49.7 | Dark | Down | 34.0 | 12.9 | Up | 09:33:27 - 10:03:27 | -636 |
| Entiat | 09:48:32 | -49.4 | Dark | Down | 35.4 | 12.8 | Up | 09:33:32 - 10:03:32 | -640 |
| DCO | 09:48:00 | -51.1 | Dark | Down | 24.3 | 12.9 | Low | 09:33:00 - 10:03:00 | -644 |
| Manson/Chelan | 09:48:32 | -49.2 | Dark | Down | 35.6 | 12.9 | Up | 09:33:32 - 10:03:32 | -652 |
| Brewster | 09:48:32 | -48.9 | Dark | Down | 35.9 | 13.0 | Up | 09:33:32 - 10:03:32 | -678 |
| Okanogan | 09:48:32 | -48.6 | Dark | Down | 36.2 | 13.1 | Up | 09:33:32 - 10:03:32 | -698 |
| Tonasket | 09:48:32 | -48.3 | Dark | Down | 36.5 | 13.2 | Up | 09:33:32 - 10:03:32 | -719 |
| Oroville | 09:48:33 | -48.1 | Dark | Down | 36.8 | 13.3 | Up | 09:33:33 - 10:03:33 | -729 |
| Southern Okanagan | 09:48:33 | -48.0 | Dark | Down | 37.0 | 13.3 | Up | 09:33:33 - 10:03:33 | -734 |
| Okanagan Falls | 09:48:34 | -47.9 | Dark | Down | 37.1 | 13.3 | Up | 09:33:34 - 10:03:34 | -740 |
| Penticton | 09:48:34 | -47.8 | Dark | Down | 37.3 | 13.3 | Up | 09:33:34 - 10:03:34 | -750 |
| Rutland | 09:48:34 | -47.5 | Dark | Down | 37.7 | 13.4 | Up | 09:33:34 - 10:03:34 | -773 |
| Niwot | 09:47:55 | -43.6 | Dark | Down | 30.7 | 15.2 | Up | 09:32:55 - 10:02:55 | -1254 |
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 127546, (2018/11/06 09:50UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 49.42 103 Kochab 14:50:42.2 +74:09:20 2.1 3.46 81 5 UMi 14:27:31.6 +75:41:46 4.3 2.17 82 PPM 008502 13:49:32.9 +75:34:01 8.0 1.28 82 PPM 008565 14:05:30.7 +74:42:52 8.7 0.46 81 PPM 008542 14:00:41.9 +74:43:23 11.5 0.27 81 127546 13:59:41.3 +74:27:57 16.5 81 Positions are for J2000
Event circumstances last updated at 2018/10/04 18:56:38 UT
Marc W. Buie, Southwest Research Institute