Event between (145452) 05RN43 and star GA0900:16450512 with event index number of 154026
Geocentric closest approach at 2018/09/28 10:39:36 UTC
J2000 position of star is 22:48:02.3 +00:52:47
Equinox of date position of star is 22:48:58.9 +00:58:39
Stellar brightness G=9.3,
use SENSEUP=2
Star is 63 degrees from the moon.
Moon is 88% illuminated.
TNO apparent brightness V=19.8
[RECON map]
TNO is 40.6 AU from the Sun
and 39.7 AU from the Earth.
The TNO is moving 23.2
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 74 seconds.
The 1-sigma cross-track error in the shadow position is
1583 km.
The sky-plane scale is
28784.6 km/arcsec.
The TNO has an absolute magnitude Hv=3.7
Diameter=1096.5 km assuming a 5% albedo -- 47.3 sec chord
Diameter=447.7 km assuming a 30% albedo -- 19.3 sec chord
Dynamical classification is SCATEXTD
Star training set for 145452, (2018/09/28 10:40UT) Object RA Dec mag sep mel Fomalhaut 22:58:40.9 -29:31:21 1.2 30.59 71 Markab 23:05:41.8 +15:18:23 2.5 14.91 56 1 Psc 22:55:57.0 +01:09:55 6.2 1.75 61 PPM 173396 22:46:20.1 +01:51:04 8.2 1.10 63 PPM 173442 22:48:59.8 +00:58:46 9.9 0.00 62 145452 22:48:59.8 +00:58:45 9.3 62 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 38.6 km
RECON observability=0.3 and success probability=1.2%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Penticton | 10:35:34 | -30.8 | Dark | Up | 16.9 | 250.6 | Really Low | 10:28:56 - 10:42:13 | 6431 |
| Oroville | 10:35:34 | -31.1 | Dark | Up | 17.1 | 250.9 | Really Low | 10:28:55 - 10:42:12 | 6368 |
| Tonasket | 10:35:34 | -31.3 | Dark | Up | 17.1 | 250.9 | Really Low | 10:28:56 - 10:42:13 | 6344 |
| Okanogan | 10:35:33 | -31.6 | Dark | Up | 17.3 | 250.9 | Really Low | 10:28:55 - 10:42:12 | 6313 |
| Brewster | 10:35:33 | -31.8 | Dark | Up | 17.6 | 250.8 | Really Low | 10:28:55 - 10:42:12 | 6288 |
| Manson/Chelan | 10:35:34 | -32.2 | Dark | Up | 17.9 | 250.6 | Really Low | 10:28:56 - 10:42:13 | 6272 |
| Entiat | 10:35:33 | -32.3 | Dark | Up | 18.0 | 250.6 | Really Low | 10:28:55 - 10:42:12 | 6251 |
| Wenatchee | 10:35:33 | -32.5 | Dark | Up | 18.1 | 250.6 | Really Low | 10:28:54 - 10:42:11 | 6226 |
| Ellensburg | 10:35:33 | -32.9 | Dark | Up | 18.4 | 250.6 | Really Low | 10:28:54 - 10:42:11 | 6188 |
| Yakima | 10:35:32 | -33.2 | Dark | Up | 18.5 | 250.7 | Really Low | 10:28:54 - 10:42:11 | 6146 |
| Toppenish/White Swan | 10:35:32 | -33.2 | Dark | Up | 18.5 | 250.9 | Really Low | 10:28:54 - 10:42:11 | 6121 |
| Pasco | 10:35:31 | -32.6 | Dark | Up | 17.7 | 251.9 | Really Low | 10:28:52 - 10:42:09 | 6089 |
| Goldendale | 10:35:32 | -33.8 | Dark | Up | 19.0 | 250.7 | Really Low | 10:28:53 - 10:42:10 | 6071 |
| PNWRO | 10:35:30 | -32.6 | Dark | Up | 17.6 | 252.2 | Really Low | 10:28:51 - 10:42:08 | 6060 |
| George/Umatilla | 10:35:30 | -32.9 | Dark | Up | 18.0 | 251.8 | Really Low | 10:28:52 - 10:42:09 | 6058 |
| The Dalles | 10:35:32 | -34.2 | Dark | Up | 19.3 | 250.5 | Really Low | 10:28:54 - 10:42:11 | 6054 |
| Maupin | 10:35:32 | -34.4 | Dark | Up | 19.4 | 250.7 | Really Low | 10:28:53 - 10:42:10 | 6009 |
| Madras/Culver | 10:35:31 | -34.7 | Dark | Up | 19.6 | 250.9 | Really Low | 10:28:53 - 10:42:10 | 5953 |
| Sisters | 10:35:31 | -35.2 | Dark | Up | 20.0 | 250.6 | Really Low | 10:28:53 - 10:42:10 | 5926 |
| Redmond | 10:35:31 | -35.0 | Dark | Up | 19.7 | 250.9 | Really Low | 10:28:52 - 10:42:09 | 5917 |
| Bend | 10:35:31 | -35.2 | Dark | Up | 19.9 | 250.9 | Really Low | 10:28:52 - 10:42:09 | 5897 |
| Oregon Observatory | 10:35:31 | -35.4 | Dark | Up | 20.0 | 250.9 | Low | 10:28:53 - 10:42:10 | 5882 |
| La Pine/Gilchrist | 10:35:31 | -35.5 | Dark | Up | 20.1 | 250.9 | Low | 10:28:52 - 10:42:09 | 5861 |
| North Lake | 10:35:30 | -35.5 | Dark | Up | 19.9 | 251.5 | Really Low | 10:28:51 - 10:42:08 | 5806 |
| Chiloquin | 10:35:31 | -36.4 | Dark | Up | 20.7 | 251.0 | Low | 10:28:52 - 10:42:09 | 5752 |
| Paisley | 10:35:29 | -35.6 | Dark | Up | 19.8 | 252.0 | Really Low | 10:28:50 - 10:42:07 | 5742 |
| Klamath Falls | 10:35:32 | -36.6 | Dark | Up | 20.8 | 251.2 | Low | 10:28:53 - 10:42:10 | 5715 |
| Lakeview | 10:35:28 | -35.8 | Dark | Up | 19.8 | 252.3 | Really Low | 10:28:50 - 10:42:07 | 5685 |
| Tulelake | 10:35:30 | -36.6 | Dark | Up | 20.7 | 251.5 | Low | 10:28:51 - 10:42:08 | 5681 |
| Cedarville | 10:35:27 | -36.1 | Dark | Up | 19.9 | 252.6 | Really Low | 10:28:49 - 10:42:06 | 5613 |
| Fall River/Burney | 10:35:29 | -37.1 | Dark | Up | 20.9 | 251.9 | Low | 10:28:50 - 10:42:07 | 5584 |
| Susanville | 10:35:27 | -37.0 | Dark | Up | 20.6 | 252.7 | Low | 10:28:49 - 10:42:06 | 5504 |
| Greenville | 10:35:28 | -37.3 | Dark | Up | 20.9 | 252.5 | Low | 10:28:49 - 10:42:06 | 5480 |
| Gimple | 10:35:27 | -37.3 | Dark | Up | 20.8 | 252.6 | Low | 10:28:49 - 10:42:06 | 5479 |
| Quincy | 10:35:27 | -37.5 | Dark | Up | 20.9 | 252.6 | Low | 10:28:49 - 10:42:06 | 5459 |
| Portola | 10:35:27 | -37.2 | Dark | Up | 20.6 | 253.0 | Low | 10:28:49 - 10:42:06 | 5437 |
| Reno | 10:35:26 | -37.0 | Dark | Up | 20.2 | 253.6 | Low | 10:28:47 - 10:42:04 | 5397 |
| Carson City | 10:35:27 | -37.2 | Dark | Up | 20.3 | 253.7 | Low | 10:28:48 - 10:42:05 | 5358 |
| Gardnerville | 10:35:25 | -37.3 | Dark | Up | 20.3 | 253.8 | Low | 10:28:47 - 10:42:04 | 5331 |
| Yerington | 10:35:24 | -36.9 | Dark | Up | 19.9 | 254.2 | Really Low | 10:28:46 - 10:42:03 | 5326 |
| Niwot | 10:35:11 | -26.8 | Dark | Up | 9.1 | 263.4 | Really Low | 10:28:32 - 10:41:49 | 5276 |
| Hawthorne | 10:35:25 | -36.8 | Dark | Up | 19.6 | 254.8 | Really Low | 10:28:46 - 10:42:03 | 5268 |
| Lee Vining | 10:35:24 | -37.4 | Dark | Up | 20.1 | 254.6 | Low | 10:28:45 - 10:42:02 | 5216 |
| Tonopah | 10:35:21 | -36.1 | Dark | Up | 18.7 | 255.9 | Really Low | 10:28:43 - 10:42:00 | 5194 |
| Bishop | 10:35:23 | -37.2 | Dark | Up | 19.7 | 255.3 | Really Low | 10:28:44 - 10:42:01 | 5139 |
| Beatty | 10:35:20 | -36.3 | Dark | Up | 18.6 | 256.6 | Really Low | 10:28:42 - 10:41:59 | 5062 |
| Lone Pine | 10:35:22 | -37.4 | Dark | Up | 19.7 | 255.8 | Really Low | 10:28:44 - 10:42:01 | 5052 |
| Indian Springs | 10:35:19 | -35.8 | Dark | Up | 17.8 | 257.4 | Really Low | 10:28:40 - 10:41:57 | 5010 |
| CPSLO | 10:35:26 | -39.9 | Dark | Up | 22.0 | 254.6 | Low | 10:28:48 - 10:42:05 | 4959 |
| Henderson | 10:35:17 | -35.5 | Dark | Up | 17.4 | 258.0 | Really Low | 10:28:38 - 10:41:55 | 4942 |
| Searchlight/Boulder City | 10:35:17 | -35.7 | Dark | Up | 17.5 | 258.2 | Really Low | 10:28:39 - 10:41:56 | 4878 |
| Patrick | 10:35:16 | -35.0 | Dark | Up | 16.6 | 258.9 | Really Low | 10:28:38 - 10:41:55 | 4857 |
| Laughlin/Bullhead City | 10:35:17 | -35.6 | Dark | Up | 17.2 | 258.5 | Really Low | 10:28:38 - 10:41:55 | 4841 |
| Kingman/Dolan Springs | 10:35:16 | -35.2 | Dark | Up | 16.8 | 258.8 | Really Low | 10:28:38 - 10:41:55 | 4836 |
| DCO | 10:35:15 | -34.6 | Dark | Up | 16.1 | 259.4 | Really Low | 10:28:37 - 10:41:54 | 4814 |
| Mohave Valley | 10:35:17 | -35.7 | Dark | Up | 17.3 | 258.6 | Really Low | 10:28:38 - 10:41:55 | 4811 |
| Wildwood | 10:35:22 | -39.0 | Dark | Up | 20.7 | 256.4 | Low | 10:28:44 - 10:42:01 | 4791 |
| Lake Havasu City | 10:35:16 | -35.7 | Dark | Up | 17.2 | 258.9 | Really Low | 10:28:38 - 10:41:55 | 4764 |
| Parker | 10:35:16 | -35.9 | Dark | Up | 17.2 | 259.0 | Really Low | 10:28:38 - 10:41:55 | 4725 |
| Idyllwild | 10:35:19 | -37.8 | Dark | Up | 19.3 | 257.7 | Really Low | 10:28:41 - 10:41:58 | 4719 |
| Blythe | 10:35:16 | -36.3 | Dark | Up | 17.6 | 259.0 | Really Low | 10:28:38 - 10:41:55 | 4672 |
| Calipatria | 10:35:18 | -37.2 | Dark | Up | 18.4 | 258.6 | Really Low | 10:28:39 - 10:41:56 | 4633 |
| Yuma | 10:35:16 | -36.7 | Dark | Up | 17.8 | 259.3 | Really Low | 10:28:38 - 10:41:55 | 4572 |
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 145452, (2018/09/28 10:40UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 30.59 71 Markab 23:04:45.7 +15:12:18 2.5 14.91 56 1 Psc 22:54:59.5 +01:03:54 6.2 1.75 61 PPM 173396 22:45:22.7 +01:45:08 8.2 1.10 63 PPM 173442 22:48:02.3 +00:52:48 9.9 0.00 62 145452 22:48:02.3 +00:52:47 9.3 62 Positions are for J2000
Event circumstances last updated at 2018/06/05 16:27:56 UT
Marc W. Buie, Southwest Research Institute