Event between (523743) 14TA86 and star GA1060:00316451 with event index number of 301283
Geocentric closest approach at 2020/08/01 08:46:07 UTC
J2000 position of star is 03:09:20.2 +16:13:37
Equinox of date position of star is 03:10:25.5 +16:18:00
Stellar brightness G=13.2,
use SENSEUP=32
Star is 128 degrees from the moon.
Moon is 94% illuminated.
TNO apparent brightness V=22.1
[RECON map]
TNO is 39.0 AU from the Sun
and 39.1 AU from the Earth.
The TNO is moving 9.9
km/sec on the sky relative to the star, or,
1.3 arcsec/hr.
The 1-sigma error in the time of the event is 428 seconds.
The 1-sigma cross-track error in the shadow position is
1681 km.
The sky-plane scale is
28373.1 km/arcsec.
The TNO has an absolute magnitude Hv=6.0
Diameter=380.2 km assuming a 5% albedo -- 38.4 sec chord
Diameter=155.2 km assuming a 30% albedo -- 15.7 sec chord
Dynamical classification is 5:3EE
Star training set for 523743, (2020/08/01 08:46UT) Object RA Dec mag sep mel Aldebaran 04:37:06.3 +16:32:57 0.8 20.76 148 Menkar 03:03:21.5 +04:10:10 2.5 12.26 122 PPM 118814 03:07:31.7 +13:15:56 5.6 3.12 126 PPM 118882 03:11:36.9 +16:04:03 8.2 0.36 128 523743 03:10:29.4 +16:18:16 13.2 128 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
2.1 sigma about the mid-time.
The median site spacing is 0.0 km
RECON observability=0.0 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 | 08:40:19 | -21.8 | Dark | Up | 14.7 | 82.2 | Really Low | 08:25:19 - 08:55:19 | 10822 |
| Summerland | 08:40:17 | -22.1 | Dark | Up | 14.5 | 81.9 | Really Low | 08:25:17 - 08:55:17 | 10810 |
| Penticton | 08:40:17 | -22.1 | Dark | Up | 14.6 | 82.0 | Really Low | 08:25:17 - 08:55:17 | 10804 |
| Okanagan Falls | 08:40:15 | -22.3 | Dark | Up | 14.5 | 81.9 | Really Low | 08:25:15 - 08:55:15 | 10793 |
| Oliver | 08:40:13 | -22.5 | Dark | Up | 14.5 | 81.8 | Really Low | 08:25:13 - 08:55:13 | 10783 |
| Anarchist Mountain Observatory | 08:40:11 | -22.6 | Dark | Up | 14.6 | 81.9 | Really Low | 08:25:11 - 08:55:11 | 10769 |
| Oroville | 08:40:13 | -22.7 | Dark | Up | 14.6 | 81.9 | Really Low | 08:25:13 - 08:55:13 | 10766 |
| Tonasket | 08:40:09 | -23.0 | Dark | Up | 14.5 | 81.8 | Really Low | 08:25:09 - 08:55:09 | 10752 |
| Okanogan | 08:40:05 | -23.3 | Dark | Up | 14.4 | 81.6 | Really Low | 08:25:05 - 08:55:05 | 10735 |
| Brewster | 08:40:02 | -23.6 | Dark | Up | 14.2 | 81.4 | Really Low | 08:25:02 - 08:55:02 | 10722 |
| Manson/Chelan | 08:40:01 | -23.8 | Dark | Up | 13.9 | 81.1 | Really Low | 08:25:01 - 08:55:01 | 10717 |
| Entiat | 08:40:01 | -24.1 | Dark | Up | 13.8 | 81.0 | Really Low | 08:25:01 - 08:55:01 | 10705 |
| Wenatchee | 08:39:59 | -24.3 | Dark | Up | 13.7 | 80.8 | Really Low | 08:24:59 - 08:54:59 | 10692 |
| Ellensburg | 08:39:55 | -24.8 | Dark | Up | 13.5 | 80.5 | Really Low | 08:24:55 - 08:54:55 | 10671 |
| Yakima | 08:39:51 | -25.2 | Dark | Up | 13.4 | 80.4 | Really Low | 08:24:51 - 08:54:51 | 10645 |
| Toppenish/White Swan | 08:39:48 | -25.4 | Dark | Up | 13.5 | 80.5 | Really Low | 08:24:48 - 08:54:48 | 10628 |
| Goldendale | 08:39:44 | -26.0 | Dark | Up | 13.1 | 80.0 | Really Low | 08:24:44 - 08:54:44 | 10602 |
| The Dalles | 08:39:42 | -26.2 | Dark | Up | 12.8 | 79.7 | Really Low | 08:24:42 - 08:54:42 | 10596 |
| Pasco | 08:39:45 | -25.3 | Dark | Up | 14.3 | 81.3 | Really Low | 08:24:45 - 08:54:45 | 10592 |
| George/Umatilla | 08:39:45 | -25.7 | Dark | Up | 14.1 | 81.1 | Really Low | 08:24:45 - 08:54:45 | 10576 |
| PNWRO | 08:39:47 | -25.6 | Dark | Up | 14.4 | 81.4 | Really Low | 08:24:47 - 08:54:47 | 10571 |
| Maupin | 08:39:39 | -26.6 | Dark | Up | 12.8 | 79.7 | Really Low | 08:24:39 - 08:54:39 | 10566 |
| Madras/Culver | 08:39:34 | -27.2 | Dark | Up | 12.6 | 79.5 | Really Low | 08:24:34 - 08:54:34 | 10531 |
| Sisters | 08:39:30 | -27.5 | Dark | Up | 12.2 | 79.2 | Really Low | 08:24:30 - 08:54:30 | 10519 |
| Redmond | 08:39:30 | -27.5 | Dark | Up | 12.5 | 79.4 | Really Low | 08:24:30 - 08:54:30 | 10509 |
| Bend | 08:39:28 | -27.8 | Dark | Up | 12.4 | 79.3 | Really Low | 08:24:28 - 08:54:28 | 10498 |
| Oregon Observatory | 08:39:27 | -27.9 | Dark | Up | 12.2 | 79.2 | Really Low | 08:24:27 - 08:54:27 | 10489 |
| La Pine/Gilchrist | 08:39:25 | -28.2 | Dark | Up | 12.1 | 79.1 | Really Low | 08:24:25 - 08:54:25 | 10477 |
| North Lake | 08:39:22 | -28.5 | Dark | Up | 12.5 | 79.4 | Really Low | 08:24:22 - 08:54:22 | 10434 |
| Chiloquin | 08:39:16 | -29.3 | Dark | Up | 11.6 | 78.6 | Really Low | 08:24:16 - 08:54:16 | 10410 |
| Paisley | 08:39:16 | -29.0 | Dark | Up | 12.6 | 79.5 | Really Low | 08:24:16 - 08:54:16 | 10388 |
| Klamath Falls | 08:39:13 | -29.6 | Dark | Up | 11.6 | 78.6 | Really Low | 08:24:13 - 08:54:13 | 10384 |
| Tulelake | 08:39:11 | -29.9 | Dark | Up | 11.8 | 78.7 | Really Low | 08:24:11 - 08:54:11 | 10359 |
| Lakeview | 08:39:13 | -29.5 | Dark | Up | 12.7 | 79.5 | Really Low | 08:24:13 - 08:54:13 | 10348 |
| Cedarville | 08:39:07 | -30.1 | Dark | Up | 12.7 | 79.4 | Really Low | 08:24:07 - 08:54:07 | 10298 |
| Fall River/Burney | 08:39:03 | -30.8 | Dark | Up | 11.6 | 78.5 | Really Low | 08:24:03 - 08:54:03 | 10293 |
| Susanville | 08:38:58 | -31.3 | Dark | Up | 12.1 | 78.8 | Really Low | 08:23:58 - 08:53:58 | 10230 |
| Greenville | 08:38:56 | -31.6 | Dark | Up | 11.8 | 78.6 | Really Low | 08:23:56 - 08:53:56 | 10218 |
| Gimple | 08:38:55 | -31.6 | Dark | Up | 11.8 | 78.7 | Really Low | 08:23:55 - 08:53:55 | 10216 |
| Quincy | 08:38:54 | -31.8 | Dark | Up | 11.7 | 78.6 | Really Low | 08:23:54 - 08:53:54 | 10203 |
| Portola | 08:38:52 | -31.9 | Dark | Up | 12.1 | 78.8 | Really Low | 08:23:52 - 08:53:52 | 10182 |
| Reno | 08:38:51 | -32.1 | Dark | Up | 12.5 | 79.2 | Really Low | 08:23:51 - 08:53:51 | 10147 |
| Carson City | 08:38:47 | -32.4 | Dark | Up | 12.4 | 79.1 | Really Low | 08:23:47 - 08:53:47 | 10120 |
| Gardnerville | 08:38:46 | -32.7 | Dark | Up | 12.4 | 79.1 | Really Low | 08:23:46 - 08:53:46 | 10101 |
| Yerington | 08:38:47 | -32.5 | Dark | Up | 12.9 | 79.4 | Really Low | 08:23:47 - 08:53:47 | 10090 |
| Hawthorne | 08:38:43 | -32.9 | Dark | Up | 13.2 | 79.6 | Really Low | 08:23:43 - 08:53:43 | 10042 |
| Lee Vining | 08:38:39 | -33.5 | Dark | Up | 12.7 | 79.2 | Really Low | 08:23:39 - 08:53:39 | 10012 |
| Tonopah | 08:38:42 | -33.2 | Dark | Up | 14.2 | 80.3 | Really Low | 08:23:42 - 08:53:42 | 9971 |
| Bishop | 08:38:33 | -34.0 | Dark | Up | 13.1 | 79.5 | Really Low | 08:23:33 - 08:53:33 | 9948 |
| Lone Pine | 08:38:28 | -34.7 | Dark | Up | 13.2 | 79.5 | Really Low | 08:23:28 - 08:53:28 | 9881 |
| Beatty | 08:38:32 | -34.2 | Dark | Up | 14.3 | 80.3 | Really Low | 08:23:32 - 08:53:32 | 9871 |
| CPSLO | 08:38:19 | -36.4 | Dark | Up | 10.9 | 77.7 | Really Low | 08:23:19 - 08:53:19 | 9847 |
| Niwot | 08:39:13 | -28.2 | Dark | Up | 23.8 | 88.4 | Low | 08:24:13 - 08:54:13 | 9818 |
| Indian Springs | 08:38:29 | -34.3 | Dark | Up | 15.1 | 80.8 | Really Low | 08:23:29 - 08:53:29 | 9817 |
| SwRI | 08:39:12 | -28.3 | Dark | Up | 23.7 | 88.3 | Low | 08:24:12 - 08:54:12 | 9813 |
| Henderson | 08:38:26 | -34.7 | Dark | Up | 15.6 | 81.0 | Really Low | 08:23:26 - 08:53:26 | 9757 |
| Searchlight/Boulder City | 08:38:24 | -35.2 | Dark | Up | 15.5 | 80.9 | Really Low | 08:23:24 - 08:53:24 | 9709 |
| Wildwood | 08:38:09 | -37.3 | Dark | Up | 12.3 | 78.6 | Really Low | 08:23:09 - 08:53:09 | 9697 |
| Patrick | 08:38:22 | -35.1 | Dark | Up | 16.4 | 81.5 | Really Low | 08:23:22 - 08:53:22 | 9677 |
| Laughlin/Bullhead City | 08:38:19 | -35.5 | Dark | Up | 15.7 | 81.0 | Really Low | 08:23:19 - 08:53:19 | 9676 |
| Kingman/Dolan Springs | 08:38:21 | -35.3 | Dark | Up | 16.2 | 81.3 | Really Low | 08:23:21 - 08:53:21 | 9664 |
| Mohave Valley | 08:38:19 | -35.7 | Dark | Up | 15.7 | 80.9 | Really Low | 08:23:19 - 08:53:19 | 9654 |
| DCO | 08:38:21 | -35.2 | Dark | Up | 16.9 | 81.8 | Really Low | 08:23:21 - 08:53:21 | 9633 |
| Idyllwild | 08:38:09 | -37.3 | Dark | Up | 13.7 | 79.5 | Really Low | 08:23:09 - 08:53:09 | 9618 |
| Lake Havasu City | 08:38:17 | -36.1 | Dark | Up | 15.8 | 80.9 | Really Low | 08:23:17 - 08:53:17 | 9615 |
| Parker | 08:38:13 | -36.4 | Dark | Up | 15.8 | 80.9 | Really Low | 08:23:13 - 08:53:13 | 9586 |
| Blythe | 08:38:08 | -37.0 | Dark | Up | 15.5 | 80.5 | Really Low | 08:23:08 - 08:53:08 | 9551 |
| Calipatria | 08:38:03 | -37.7 | Dark | Up | 14.6 | 79.9 | Really Low | 08:23:03 - 08:53:03 | 9536 |
| Yuma | 08:38:01 | -37.9 | Dark | Up | 15.2 | 80.3 | Really Low | 08:23:01 - 08:53:01 | 9475 |
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 523743, (2020/08/01 08:46UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 20.76 148 Menkar 03:02:16.8 +04:05:21 2.5 12.26 122 PPM 118814 03:06:23.7 +13:11:13 5.6 3.12 126 PPM 118882 03:10:27.7 +15:59:26 8.2 0.36 128 523743 03:09:20.2 +16:13:37 13.2 128 Positions are for J2000
Event circumstances last updated at 2019/06/08 00:10:56 UT
Marc W. Buie, Southwest Research Institute