Event between (523766) 14WF510 and star GA0900:00409300 with event index number of 348049
Geocentric closest approach at 2019/08/31 10:35:29 UTC
J2000 position of star is 04:27:04.7 +01:58:34
Equinox of date position of star is 04:28:05.3 +02:01:07
Stellar brightness G=16.2,
use SENSEUP=128
Star is 107 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=22.2
[RECON map]
TNO is 31.5 AU from the Sun
and 31.4 AU from the Earth.
The TNO is moving 12.2
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 116 seconds.
The 1-sigma cross-track error in the shadow position is
1916 km.
The sky-plane scale is
22787.8 km/arcsec.
The TNO has an absolute magnitude Hv=7.0
Diameter=239.9 km assuming a 5% albedo -- 19.7 sec chord
Diameter=97.9 km assuming a 30% albedo -- 8.0 sec chord
Dynamical classification is 3:2E
Star training set for 523766, (2019/08/31 10:35UT) Object RA Dec mag sep mel Aldebaran 04:37:03.1 +16:32:50 0.8 14.69 103 67Bet Eri 05:08:49.0 -05:03:45 2.8 12.39 98 PPM 147584 04:29:33.2 +01:25:23 5.5 0.70 107 PPM 147577 04:29:04.9 +01:54:04 7.3 0.27 107 PPM 147560 04:28:04.7 +02:10:16 9.7 0.15 107 523766 04:28:06.0 +02:01:09 16.2 107 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 15.7 km
RECON observability=1.0 and success probability=18.6%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 10:27:43 | -23.0 | Dark | Down | 26.2 | 121.6 | Low | 10:17:31 - 10:37:55 | -353 |
| Summerland | 10:27:43 | -23.3 | Dark | Down | 26.2 | 121.2 | Low | 10:17:31 - 10:37:55 | -391 |
| Penticton | 10:27:44 | -23.3 | Dark | Down | 26.3 | 121.3 | Low | 10:17:32 - 10:37:56 | -393 |
| Okanagan Falls | 10:27:45 | -23.5 | Dark | Down | 26.3 | 121.2 | Low | 10:17:33 - 10:37:57 | -412 |
| Oliver | 10:27:44 | -23.6 | Dark | Down | 26.4 | 121.1 | Low | 10:17:32 - 10:37:56 | -426 |
| Anarchist Mountain Observatory | 10:27:46 | -23.6 | Dark | Down | 26.6 | 121.2 | Low | 10:17:34 - 10:37:58 | -433 |
| Oroville | 10:27:45 | -23.7 | Dark | Down | 26.6 | 121.1 | Low | 10:17:33 - 10:37:57 | -444 |
| Tonasket | 10:27:46 | -23.9 | Dark | Down | 26.8 | 121.0 | Low | 10:17:34 - 10:37:58 | -465 |
| Niwot | 10:28:54 | -21.6 | Dark | Down | 40.2 | 130.7 | Up | 10:18:42 - 10:39:06 | -465 |
| SwRI | 10:28:55 | -21.8 | Dark | Down | 40.2 | 130.6 | Up | 10:18:43 - 10:39:07 | -479 |
| Okanogan | 10:27:47 | -24.2 | Dark | Down | 26.9 | 120.8 | Low | 10:17:35 - 10:37:59 | -502 |
| Brewster | 10:27:47 | -24.5 | Dark | Down | 26.9 | 120.5 | Low | 10:17:35 - 10:37:59 | -535 |
| Manson/Chelan | 10:27:47 | -24.8 | Dark | Down | 26.8 | 120.0 | Low | 10:17:35 - 10:37:59 | -569 |
| Entiat | 10:27:48 | -25.0 | Dark | Down | 26.8 | 119.9 | Low | 10:17:36 - 10:38:00 | -592 |
| Wenatchee | 10:27:48 | -25.3 | Dark | Down | 26.9 | 119.7 | Low | 10:17:36 - 10:38:00 | -620 |
| Ellensburg | 10:27:48 | -25.7 | Dark | Down | 27.0 | 119.3 | Low | 10:17:36 - 10:38:00 | -667 |
| Pasco | 10:27:55 | -25.6 | Dark | Down | 28.2 | 120.3 | Low | 10:17:43 - 10:38:07 | -675 |
| PNWRO | 10:27:56 | -25.6 | Dark | Down | 28.5 | 120.4 | Low | 10:17:44 - 10:38:08 | -688 |
| Yakima | 10:27:51 | -26.0 | Dark | Down | 27.2 | 119.1 | Low | 10:17:39 - 10:38:03 | -705 |
| George/Umatilla | 10:27:56 | -25.9 | Dark | Down | 28.3 | 119.9 | Low | 10:17:44 - 10:38:08 | -715 |
| Toppenish/White Swan | 10:27:52 | -26.1 | Dark | Down | 27.4 | 119.2 | Low | 10:17:40 - 10:38:04 | -718 |
| Goldendale | 10:27:53 | -26.7 | Dark | Down | 27.4 | 118.5 | Low | 10:17:41 - 10:38:05 | -787 |
| The Dalles | 10:27:54 | -27.0 | Dark | Down | 27.3 | 118.1 | Low | 10:17:42 - 10:38:06 | -823 |
| Maupin | 10:27:54 | -27.3 | Dark | Down | 27.5 | 118.0 | Low | 10:17:42 - 10:38:06 | -857 |
| Madras/Culver | 10:27:56 | -27.7 | Dark | Down | 27.8 | 117.7 | Low | 10:17:44 - 10:38:08 | -909 |
| Redmond | 10:27:56 | -28.0 | Dark | Down | 27.9 | 117.5 | Low | 10:17:44 - 10:38:08 | -944 |
| Sisters | 10:27:57 | -28.2 | Dark | Down | 27.7 | 117.2 | Low | 10:17:45 - 10:38:09 | -959 |
| Bend | 10:27:57 | -28.2 | Dark | Down | 27.9 | 117.3 | Low | 10:17:45 - 10:38:09 | -970 |
| Oregon Observatory | 10:27:59 | -28.4 | Dark | Down | 27.9 | 117.1 | Low | 10:17:47 - 10:38:11 | -991 |
| La Pine/Gilchrist | 10:27:59 | -28.6 | Dark | Down | 28.0 | 117.0 | Low | 10:17:47 - 10:38:11 | -1012 |
| North Lake | 10:28:02 | -28.6 | Dark | Down | 28.6 | 117.3 | Low | 10:17:50 - 10:38:14 | -1026 |
| Paisley | 10:28:05 | -28.9 | Dark | Down | 29.1 | 117.3 | Low | 10:17:53 - 10:38:17 | -1060 |
| Lakeview | 10:28:07 | -29.1 | Dark | Down | 29.4 | 117.3 | Low | 10:17:55 - 10:38:19 | -1098 |
| Chiloquin | 10:28:03 | -29.6 | Dark | Down | 28.3 | 116.1 | Low | 10:17:51 - 10:38:15 | -1130 |
| Cedarville | 10:28:10 | -29.5 | Dark | Down | 29.9 | 117.1 | Low | 10:17:58 - 10:38:22 | -1149 |
| Klamath Falls | 10:28:04 | -29.8 | Dark | Down | 28.5 | 116.0 | Low | 10:17:52 - 10:38:16 | -1157 |
| Tulelake | 10:28:05 | -29.9 | Dark | Down | 28.8 | 116.2 | Low | 10:17:53 - 10:38:17 | -1169 |
| Fall River/Burney | 10:28:09 | -30.5 | Dark | Down | 29.3 | 115.8 | Low | 10:17:57 - 10:38:21 | -1248 |
| Susanville | 10:28:13 | -30.6 | Dark | Down | 30.0 | 116.1 | Up | 10:18:01 - 10:38:25 | -1271 |
| Gimple | 10:28:15 | -30.9 | Dark | Down | 30.0 | 115.8 | Up | 10:18:03 - 10:38:27 | -1305 |
| Greenville | 10:28:14 | -30.9 | Dark | Down | 30.0 | 115.7 | Low | 10:18:02 - 10:38:26 | -1309 |
| Reno | 10:28:19 | -30.8 | Dark | Down | 31.0 | 116.4 | Up | 10:18:07 - 10:38:31 | -1309 |
| Tonopah | 10:28:31 | -30.3 | Dark | Down | 33.5 | 117.8 | Up | 10:18:19 - 10:38:43 | -1311 |
| Portola | 10:28:17 | -30.9 | Dark | Down | 30.4 | 116.0 | Up | 10:18:05 - 10:38:29 | -1316 |
| Yerington | 10:28:23 | -30.8 | Dark | Down | 31.7 | 116.6 | Up | 10:18:11 - 10:38:35 | -1327 |
| Quincy | 10:28:15 | -31.1 | Dark | Down | 30.1 | 115.6 | Up | 10:18:03 - 10:38:27 | -1327 |
| DCO | 10:28:57 | -29.7 | Dark | Down | 37.9 | 119.6 | Up | 10:18:45 - 10:39:09 | -1337 |
| Carson City | 10:28:20 | -31.0 | Dark | Down | 31.2 | 116.2 | Up | 10:18:08 - 10:38:32 | -1340 |
| Hawthorne | 10:28:26 | -30.8 | Dark | Down | 32.3 | 116.8 | Up | 10:18:14 - 10:38:38 | -1341 |
| Patrick | 10:28:53 | -30.0 | Dark | Down | 37.2 | 119.1 | Up | 10:18:41 - 10:39:05 | -1352 |
| Indian Springs | 10:28:43 | -30.4 | Dark | Down | 35.4 | 118.3 | Up | 10:18:31 - 10:38:55 | -1356 |
| Gardnerville | 10:28:23 | -31.2 | Dark | Down | 31.3 | 116.1 | Up | 10:18:11 - 10:38:35 | -1359 |
| Henderson | 10:28:47 | -30.3 | Dark | Down | 36.1 | 118.6 | Up | 10:18:35 - 10:38:59 | -1363 |
| Kingman/Dolan Springs | 10:28:54 | -30.2 | Dark | Down | 37.2 | 118.8 | Up | 10:18:42 - 10:39:06 | -1381 |
| Beatty | 10:28:38 | -30.8 | Dark | Down | 34.4 | 117.5 | Up | 10:18:26 - 10:38:50 | -1386 |
| Searchlight/Boulder City | 10:28:50 | -30.6 | Dark | Down | 36.4 | 118.2 | Up | 10:18:38 - 10:39:02 | -1407 |
| Laughlin/Bullhead City | 10:28:53 | -30.6 | Dark | Down | 36.8 | 118.4 | Up | 10:18:41 - 10:39:05 | -1413 |
| Lee Vining | 10:28:28 | -31.5 | Dark | Down | 32.2 | 116.1 | Up | 10:18:16 - 10:38:40 | -1415 |
| Bishop | 10:28:31 | -31.5 | Dark | Down | 33.0 | 116.4 | Up | 10:18:19 - 10:38:43 | -1431 |
| Mohave Valley | 10:28:54 | -30.7 | Dark | Down | 37.0 | 118.2 | Up | 10:18:42 - 10:39:06 | -1435 |
| Lake Havasu City | 10:28:56 | -30.8 | Dark | Down | 37.3 | 118.1 | Up | 10:18:44 - 10:39:08 | -1454 |
| Lone Pine | 10:28:36 | -31.8 | Dark | Down | 33.6 | 116.2 | Up | 10:18:24 - 10:38:48 | -1479 |
| Parker | 10:28:59 | -31.0 | Dark | Down | 37.5 | 117.9 | Up | 10:18:47 - 10:39:11 | -1481 |
| Blythe | 10:29:02 | -31.5 | Dark | Down | 37.6 | 117.3 | Up | 10:18:50 - 10:39:14 | -1541 |
| Yuma | 10:29:06 | -32.1 | Dark | Down | 38.0 | 116.7 | Up | 10:18:54 - 10:39:18 | -1618 |
| Calipatria | 10:29:01 | -32.4 | Dark | Down | 37.1 | 116.2 | Up | 10:18:49 - 10:39:13 | -1634 |
| Idyllwild | 10:28:54 | -32.8 | Dark | Down | 35.9 | 115.6 | Up | 10:18:42 - 10:39:06 | -1650 |
| Wildwood | 10:28:48 | -33.8 | Dark | Down | 34.3 | 114.3 | Up | 10:18:36 - 10:39:00 | -1721 |
| CPSLO | 10:28:37 | -34.2 | Dark | Down | 32.3 | 113.4 | Up | 10:18:25 - 10:38:49 | -1722 |
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 523766, (2019/08/31 10:35UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 14.69 103 67Bet Eri 05:07:50.8 -05:05:13 2.8 12.39 98 PPM 147584 04:28:32.1 +01:22:50 5.5 0.70 107 PPM 147577 04:28:03.7 +01:51:31 7.3 0.27 107 PPM 147560 04:27:03.3 +02:07:42 9.7 0.15 107 523766 04:27:04.7 +01:58:34 16.2 107 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:37:19 UT
Marc W. Buie, Southwest Research Institute