Event between (523767) 14WH510 and star GA0880:03688753 with event index number of 347906
Geocentric closest approach at 2019/01/29 11:17:05 UTC
J2000 position of star is 09:15:43.2 -00:04:22
Equinox of date position of star is 09:16:41.4 -00:09:08
Stellar brightness G=14.2,
use SENSEUP=64
Star is 98 degrees from the moon.
Moon is 34% illuminated.
TNO apparent brightness V=21.9
[RECON map]
TNO is 33.4 AU from the Sun
and 32.5 AU from the Earth.
The TNO is moving 23.4
km/sec on the sky relative to the star, or,
3.6 arcsec/hr.
The 1-sigma error in the time of the event is 72 seconds.
The 1-sigma cross-track error in the shadow position is
1363 km.
The sky-plane scale is
23549.6 km/arcsec.
The TNO has an absolute magnitude Hv=6.6
Diameter=288.4 km assuming a 5% albedo -- 12.3 sec chord
Diameter=117.7 km assuming a 30% albedo -- 5.0 sec chord
Dynamical classification is SCATNEAR
Star training set for 523767, (2019/01/29 11:17UT) Object RA Dec mag sep mel Regulus 10:09:23.2 +11:52:24 1.3 17.77 88 Alphard 09:28:31.5 -08:44:32 2.0 9.08 93 22The Hya 09:15:21.4 +02:13:58 3.9 2.41 99 PPM 177782 09:14:51.1 -00:16:01 8.3 0.48 98 PPM 177797 09:16:32.5 -00:26:05 9.2 0.28 98 PPM 177792 09:15:55.7 -00:08:14 10.2 0.19 98 523767 09:16:41.9 -00:09:11 14.2 98 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 15.2 km
RECON observability=1.0 and success probability=0.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 11:15:55 | -41.2 | Dark | Up | 29.9 | 226.7 | Low | 11:09:25 - 11:22:24 | 9417 |
| Summerland | 11:15:56 | -41.4 | Dark | Up | 30.1 | 226.3 | Up | 11:09:26 - 11:22:25 | 9410 |
| Penticton | 11:15:54 | -41.5 | Dark | Up | 30.3 | 226.7 | Up | 11:09:25 - 11:22:24 | 9393 |
| Okanagan Falls | 11:15:53 | -41.5 | Dark | Up | 30.4 | 226.7 | Up | 11:09:24 - 11:22:23 | 9381 |
| Oliver | 11:15:53 | -41.6 | Dark | Up | 30.5 | 226.8 | Up | 11:09:24 - 11:22:23 | 9371 |
| Anarchist Mountain Observatory | 11:15:52 | -41.6 | Dark | Up | 30.5 | 227.1 | Up | 11:09:23 - 11:22:22 | 9363 |
| Oroville | 11:15:52 | -41.6 | Dark | Up | 30.6 | 227.0 | Up | 11:09:22 - 11:22:21 | 9357 |
| Tonasket | 11:15:52 | -41.7 | Dark | Up | 30.8 | 227.1 | Up | 11:09:22 - 11:22:21 | 9343 |
| Okanogan | 11:15:51 | -41.9 | Dark | Up | 31.1 | 227.1 | Up | 11:09:21 - 11:22:20 | 9320 |
| Brewster | 11:15:51 | -42.2 | Dark | Up | 31.4 | 227.0 | Up | 11:09:21 - 11:22:20 | 9301 |
| Manson/Chelan | 11:15:51 | -42.5 | Dark | Up | 31.7 | 226.7 | Up | 11:09:21 - 11:22:20 | 9284 |
| Entiat | 11:15:51 | -42.6 | Dark | Up | 31.9 | 226.8 | Up | 11:09:21 - 11:22:20 | 9269 |
| Wenatchee | 11:15:50 | -42.8 | Dark | Up | 32.1 | 226.8 | Up | 11:09:21 - 11:22:20 | 9252 |
| Ellensburg | 11:15:49 | -43.1 | Dark | Up | 32.5 | 226.7 | Up | 11:09:20 - 11:22:19 | 9222 |
| Yakima | 11:15:49 | -43.2 | Dark | Up | 32.8 | 226.9 | Up | 11:09:19 - 11:22:18 | 9196 |
| Pasco | 11:15:44 | -42.4 | Dark | Up | 32.3 | 228.5 | Up | 11:09:15 - 11:22:14 | 9189 |
| Toppenish/White Swan | 11:15:48 | -43.2 | Dark | Up | 32.8 | 227.2 | Up | 11:09:18 - 11:22:17 | 9183 |
| PNWRO | 11:15:43 | -42.4 | Dark | Up | 32.3 | 228.9 | Up | 11:09:14 - 11:22:13 | 9175 |
| George/Umatilla | 11:15:43 | -42.7 | Dark | Up | 32.6 | 228.5 | Up | 11:09:13 - 11:22:12 | 9165 |
| Goldendale | 11:15:47 | -43.7 | Dark | Up | 33.4 | 227.0 | Up | 11:09:18 - 11:22:17 | 9142 |
| The Dalles | 11:15:48 | -44.0 | Dark | Up | 33.8 | 226.7 | Up | 11:09:18 - 11:22:17 | 9122 |
| Maupin | 11:15:46 | -44.1 | Dark | Up | 34.0 | 227.1 | Up | 11:09:17 - 11:22:16 | 9095 |
| Madras/Culver | 11:15:45 | -44.3 | Dark | Up | 34.4 | 227.3 | Up | 11:09:16 - 11:22:15 | 9057 |
| Redmond | 11:15:44 | -44.5 | Dark | Up | 34.7 | 227.4 | Up | 11:09:14 - 11:22:13 | 9032 |
| Sisters | 11:15:44 | -44.8 | Dark | Up | 34.9 | 227.0 | Up | 11:09:14 - 11:22:13 | 9029 |
| Bend | 11:15:44 | -44.7 | Dark | Up | 34.9 | 227.4 | Up | 11:09:14 - 11:22:13 | 9015 |
| Oregon Observatory | 11:15:44 | -44.8 | Dark | Up | 35.1 | 227.3 | Up | 11:09:15 - 11:22:14 | 9002 |
| La Pine/Gilchrist | 11:15:44 | -44.9 | Dark | Up | 35.3 | 227.4 | Up | 11:09:14 - 11:22:13 | 8987 |
| North Lake | 11:15:41 | -44.7 | Dark | Up | 35.2 | 228.2 | Up | 11:09:11 - 11:22:10 | 8963 |
| Paisley | 11:15:38 | -44.6 | Dark | Up | 35.4 | 228.9 | Up | 11:09:09 - 11:22:08 | 8928 |
| Niwot | 11:14:54 | -34.0 | Dark | Up | 27.3 | 244.1 | Low | 11:08:24 - 11:21:23 | 8906 |
| Chiloquin | 11:15:41 | -45.6 | Dark | Up | 36.2 | 227.6 | Up | 11:09:12 - 11:22:11 | 8903 |
| Lakeview | 11:15:37 | -44.6 | Dark | Up | 35.6 | 229.3 | Up | 11:09:07 - 11:22:06 | 8894 |
| Klamath Falls | 11:15:41 | -45.6 | Dark | Up | 36.4 | 227.8 | Up | 11:09:11 - 11:22:10 | 8879 |
| Tulelake | 11:15:39 | -45.5 | Dark | Up | 36.4 | 228.3 | Up | 11:09:10 - 11:22:09 | 8864 |
| Cedarville | 11:15:35 | -44.7 | Dark | Up | 36.0 | 229.8 | Up | 11:09:05 - 11:22:04 | 8848 |
| Fall River/Burney | 11:15:37 | -45.7 | Dark | Up | 37.0 | 228.9 | Up | 11:09:07 - 11:22:06 | 8798 |
| Susanville | 11:15:33 | -45.4 | Dark | Up | 37.0 | 230.0 | Up | 11:09:03 - 11:22:02 | 8760 |
| Gimple | 11:15:33 | -45.6 | Dark | Up | 37.3 | 229.9 | Up | 11:09:04 - 11:22:03 | 8736 |
| Greenville | 11:15:33 | -45.7 | Dark | Up | 37.3 | 229.8 | Up | 11:09:04 - 11:22:03 | 8736 |
| Quincy | 11:15:33 | -45.8 | Dark | Up | 37.4 | 230.0 | Up | 11:09:03 - 11:22:02 | 8720 |
| Portola | 11:15:31 | -45.4 | Dark | Up | 37.3 | 230.5 | Up | 11:09:02 - 11:22:01 | 8717 |
| Reno | 11:15:29 | -45.0 | Dark | Up | 37.0 | 231.3 | Up | 11:08:59 - 11:21:58 | 8705 |
| Carson City | 11:15:26 | -45.1 | Dark | Up | 37.3 | 231.5 | Up | 11:08:57 - 11:21:56 | 8678 |
| Yerington | 11:15:25 | -44.7 | Dark | Up | 37.0 | 232.3 | Up | 11:08:56 - 11:21:55 | 8670 |
| Gardnerville | 11:15:27 | -45.2 | Dark | Up | 37.4 | 231.7 | Up | 11:08:58 - 11:21:57 | 8659 |
| Hawthorne | 11:15:22 | -44.4 | Dark | Up | 36.9 | 233.1 | Up | 11:08:52 - 11:21:51 | 8641 |
| Tonopah | 11:15:18 | -43.4 | Dark | Up | 36.3 | 234.7 | Up | 11:08:48 - 11:21:47 | 8622 |
| Lee Vining | 11:15:22 | -44.9 | Dark | Up | 37.6 | 232.9 | Up | 11:08:52 - 11:21:51 | 8591 |
| Bishop | 11:15:19 | -44.5 | Dark | Up | 37.5 | 234.0 | Up | 11:08:50 - 11:21:49 | 8554 |
| Beatty | 11:15:14 | -43.3 | Dark | Up | 36.7 | 235.8 | Up | 11:08:44 - 11:21:43 | 8537 |
| Indian Springs | 11:15:09 | -42.5 | Dark | Up | 36.2 | 237.0 | Up | 11:08:40 - 11:21:39 | 8525 |
| Lone Pine | 11:15:16 | -44.4 | Dark | Up | 37.7 | 234.8 | Up | 11:08:47 - 11:21:46 | 8498 |
| Henderson | 11:15:06 | -42.1 | Dark | Up | 36.0 | 237.9 | Up | 11:08:37 - 11:21:36 | 8490 |
| Patrick | 11:15:02 | -41.3 | Dark | Up | 35.6 | 239.3 | Up | 11:08:32 - 11:21:31 | 8454 |
| Searchlight/Boulder City | 11:15:04 | -42.1 | Dark | Up | 36.3 | 238.4 | Up | 11:08:34 - 11:21:33 | 8445 |
| DCO | 11:14:59 | -40.7 | Dark | Up | 35.2 | 240.1 | Up | 11:08:29 - 11:21:28 | 8437 |
| Kingman/Dolan Springs | 11:15:02 | -41.5 | Dark | Up | 35.8 | 239.3 | Up | 11:08:32 - 11:21:31 | 8433 |
| Laughlin/Bullhead City | 11:15:02 | -41.9 | Dark | Up | 36.2 | 238.8 | Up | 11:08:33 - 11:21:32 | 8425 |
| Mohave Valley | 11:15:02 | -41.9 | Dark | Up | 36.3 | 239.0 | Up | 11:08:33 - 11:21:32 | 8403 |
| Lake Havasu City | 11:15:01 | -41.8 | Dark | Up | 36.4 | 239.5 | Up | 11:08:31 - 11:21:30 | 8374 |
| CPSLO | 11:15:19 | -46.7 | Dark | Up | 40.2 | 233.1 | Up | 11:08:50 - 11:21:49 | 8360 |
| Parker | 11:15:00 | -41.8 | Dark | Up | 36.5 | 239.7 | Up | 11:08:30 - 11:21:29 | 8345 |
| Blythe | 11:14:58 | -42.1 | Dark | Up | 37.0 | 239.8 | Up | 11:08:29 - 11:21:28 | 8298 |
| Wildwood | 11:15:11 | -45.3 | Dark | Up | 39.5 | 235.9 | Up | 11:08:41 - 11:21:40 | 8287 |
| Idyllwild | 11:15:05 | -43.8 | Dark | Up | 38.4 | 237.9 | Up | 11:08:36 - 11:21:35 | 8281 |
| Calipatria | 11:15:01 | -42.9 | Dark | Up | 37.9 | 239.3 | Up | 11:08:31 - 11:21:30 | 8246 |
| Yuma | 11:14:57 | -42.2 | Dark | Up | 37.5 | 240.4 | Up | 11:08:27 - 11:21:26 | 8221 |
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 523767, (2019/01/29 11:17UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 17.77 88 Alphard 09:27:35.2 -08:39:31 2.0 9.08 93 22The Hya 09:14:22.0 +02:18:45 3.9 2.41 99 PPM 177782 09:13:52.5 -00:11:14 8.3 0.48 98 PPM 177797 09:15:33.9 -00:21:17 9.2 0.28 98 PPM 177792 09:14:57.1 -00:03:26 10.2 0.19 98 523767 09:15:43.2 -00:04:22 14.2 98 Positions are for J2000
Event circumstances last updated at 2018/12/04 05:12:27 UT
Marc W. Buie, Southwest Research Institute