Event between (533209) 14DR143 and star GA0880:04094243 with event index number of 1605771
Geocentric closest approach at 2020/04/01 06:31:30 UTC
J2000 position of star is 12:51:53.3 -00:10:07
Equinox of date position of star is 12:52:53.3 -00:16:28
Stellar brightness G=12.0,
use SENSEUP=16
Star is 92 degrees from the moon.
Moon is 48% illuminated.
TNO apparent brightness V=22.6
[RECON map]
TNO is 48.9 AU from the Sun
and 47.9 AU from the Earth.
The TNO is moving 26.2
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 113 seconds.
The 1-sigma cross-track error in the shadow position is
2640 km.
The sky-plane scale is
34757.6 km/arcsec.
The TNO has an absolute magnitude Hv=5.7
Diameter=436.5 km assuming a 5% albedo -- 16.7 sec chord
Diameter=178.2 km assuming a 30% albedo -- 6.8 sec chord
Dynamical classification is 3:2E
Star training set for 533209, (2020/04/01 06:32UT) Object RA Dec mag sep mel Spica 13:26:15.8 -11:15:59 1.0 13.76 104 Vindemiatrix 13:03:11.1 +10:51:03 2.8 11.42 90 38 Vir 12:54:13.5 -03:39:46 6.1 3.40 94 PPM 159252 12:52:54.4 -00:01:30 8.0 0.25 92 PPM 178897 12:53:13.1 -00:29:15 10.4 0.22 92 533209 12:52:55.6 -00:16:42 12.0 92 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 18.6 km
RECON observability=1.0 and success probability=4.7%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 06:33:41 | -32.2 | Dark | Up | 35.9 | 150.0 | Up | 06:23:45 - 06:43:36 | -4946 |
| Summerland | 06:33:40 | -32.3 | Dark | Up | 36.1 | 149.6 | Up | 06:23:45 - 06:43:36 | -4976 |
| Penticton | 06:33:40 | -32.4 | Dark | Up | 36.2 | 149.7 | Up | 06:23:44 - 06:43:35 | -4979 |
| Okanagan Falls | 06:33:40 | -32.6 | Dark | Up | 36.3 | 149.6 | Up | 06:23:45 - 06:43:36 | -4994 |
| Oliver | 06:33:40 | -32.8 | Dark | Up | 36.5 | 149.6 | Up | 06:23:45 - 06:43:36 | -5007 |
| Anarchist Mountain Observatory | 06:33:40 | -33.0 | Dark | Up | 36.7 | 149.7 | Up | 06:23:44 - 06:43:35 | -5016 |
| Oroville | 06:33:40 | -33.0 | Dark | Up | 36.8 | 149.6 | Up | 06:23:44 - 06:43:35 | -5024 |
| Tonasket | 06:33:41 | -33.2 | Dark | Up | 37.0 | 149.5 | Up | 06:23:46 - 06:43:37 | -5042 |
| Okanogan | 06:33:40 | -33.5 | Dark | Up | 37.2 | 149.2 | Up | 06:23:45 - 06:43:36 | -5073 |
| Brewster | 06:33:42 | -33.7 | Dark | Up | 37.4 | 148.9 | Up | 06:23:47 - 06:43:38 | -5100 |
| Manson/Chelan | 06:33:42 | -33.7 | Dark | Up | 37.4 | 148.4 | Up | 06:23:47 - 06:43:38 | -5127 |
| Wenatchee | 06:33:43 | -34.1 | Dark | Up | 37.8 | 148.0 | Up | 06:23:48 - 06:43:39 | -5170 |
| Ellensburg | 06:33:44 | -34.4 | Dark | Up | 38.0 | 147.6 | Up | 06:23:49 - 06:43:40 | -5210 |
| Pasco | 06:33:41 | -35.5 | Dark | Up | 39.2 | 148.9 | Up | 06:23:45 - 06:43:36 | -5235 |
| Yakima | 06:33:43 | -34.7 | Dark | Up | 38.4 | 147.4 | Up | 06:23:48 - 06:43:39 | -5244 |
| PNWRO | 06:33:39 | -35.8 | Dark | Up | 39.5 | 149.1 | Up | 06:23:44 - 06:43:35 | -5249 |
| Toppenish/White Swan | 06:33:45 | -35.0 | Dark | Up | 38.6 | 147.5 | Up | 06:23:49 - 06:43:40 | -5258 |
| George/Umatilla | 06:33:41 | -35.7 | Dark | Up | 39.4 | 148.5 | Up | 06:23:45 - 06:43:36 | -5268 |
| Goldendale | 06:33:44 | -35.3 | Dark | Up | 38.9 | 146.7 | Up | 06:23:48 - 06:43:39 | -5315 |
| The Dalles | 06:33:45 | -35.4 | Dark | Up | 39.0 | 146.2 | Up | 06:23:50 - 06:43:41 | -5344 |
| SwRI | 06:33:00 | -44.7 | Dark | Up | 48.8 | 164.9 | Up | 06:23:04 - 06:42:55 | -5360 |
| Maupin | 06:33:45 | -35.8 | Dark | Up | 39.3 | 146.1 | Up | 06:23:49 - 06:43:40 | -5376 |
| Madras/Culver | 06:33:45 | -36.3 | Dark | Up | 39.8 | 145.8 | Up | 06:23:50 - 06:43:41 | -5424 |
| Redmond | 06:33:45 | -36.6 | Dark | Up | 40.1 | 145.6 | Up | 06:23:50 - 06:43:41 | -5456 |
| Sisters | 06:33:47 | -36.4 | Dark | Up | 39.9 | 145.1 | Up | 06:23:51 - 06:43:42 | -5465 |
| Bend | 06:33:45 | -36.7 | Dark | Up | 40.2 | 145.3 | Up | 06:23:50 - 06:43:41 | -5478 |
| Oregon Observatory | 06:33:46 | -36.8 | Dark | Up | 40.3 | 145.1 | Up | 06:23:50 - 06:43:41 | -5497 |
| La Pine/Gilchrist | 06:33:46 | -37.0 | Dark | Up | 40.4 | 144.9 | Up | 06:23:51 - 06:43:42 | -5516 |
| North Lake | 06:33:45 | -37.6 | Dark | Up | 41.0 | 145.4 | Up | 06:23:50 - 06:43:41 | -5538 |
| Paisley | 06:33:43 | -38.2 | Dark | Up | 41.6 | 145.6 | Up | 06:23:48 - 06:43:39 | -5576 |
| Lakeview | 06:33:44 | -38.7 | Dark | Up | 42.1 | 145.6 | Up | 06:23:48 - 06:43:39 | -5615 |
| Chiloquin | 06:33:47 | -37.8 | Dark | Up | 41.2 | 143.9 | Up | 06:23:51 - 06:43:42 | -5623 |
| Klamath Falls | 06:33:47 | -38.1 | Dark | Up | 41.5 | 143.9 | Up | 06:23:52 - 06:43:43 | -5651 |
| Tulelake | 06:33:47 | -38.5 | Dark | Up | 41.8 | 144.1 | Up | 06:23:52 - 06:43:43 | -5667 |
| Cedarville | 06:33:43 | -39.3 | Dark | Up | 42.7 | 145.4 | Up | 06:23:48 - 06:43:39 | -5668 |
| Fall River/Burney | 06:33:46 | -39.3 | Dark | Up | 42.6 | 143.7 | Up | 06:23:50 - 06:43:41 | -5746 |
| Susanville | 06:33:44 | -40.1 | Dark | Up | 43.4 | 144.2 | Up | 06:23:48 - 06:43:39 | -5781 |
| Gimple | 06:33:45 | -40.2 | Dark | Up | 43.6 | 143.8 | Up | 06:23:49 - 06:43:40 | -5812 |
| Greenville | 06:33:45 | -40.2 | Dark | Up | 43.5 | 143.7 | Up | 06:23:49 - 06:43:40 | -5814 |
| Portola | 06:33:43 | -40.7 | Dark | Up | 44.0 | 144.1 | Up | 06:23:48 - 06:43:39 | -5830 |
| Quincy | 06:33:46 | -40.4 | Dark | Up | 43.7 | 143.6 | Up | 06:23:50 - 06:43:41 | -5832 |
| Reno | 06:33:42 | -41.2 | Dark | Up | 44.5 | 144.8 | Up | 06:23:47 - 06:43:38 | -5835 |
| Yerington | 06:33:39 | -41.9 | Dark | Up | 45.3 | 145.3 | Up | 06:23:44 - 06:43:35 | -5866 |
| Carson City | 06:33:41 | -41.5 | Dark | Up | 44.8 | 144.6 | Up | 06:23:46 - 06:43:37 | -5867 |
| Gardnerville | 06:33:42 | -41.7 | Dark | Up | 45.0 | 144.5 | Up | 06:23:47 - 06:43:38 | -5888 |
| Hawthorne | 06:33:38 | -42.5 | Dark | Up | 45.9 | 145.7 | Up | 06:23:42 - 06:43:33 | -5893 |
| Tonopah | 06:33:34 | -43.4 | Dark | Up | 46.9 | 147.3 | Up | 06:23:39 - 06:43:30 | -5893 |
| Lee Vining | 06:33:39 | -42.8 | Dark | Up | 46.1 | 144.7 | Up | 06:23:44 - 06:43:35 | -5959 |
| Indian Springs | 06:33:30 | -45.3 | Dark | Up | 48.8 | 148.4 | Up | 06:23:34 - 06:43:25 | -5981 |
| Beatty | 06:33:33 | -44.6 | Dark | Up | 48.0 | 147.2 | Up | 06:23:37 - 06:43:28 | -5985 |
| Bishop | 06:33:37 | -43.6 | Dark | Up | 46.9 | 145.3 | Up | 06:23:42 - 06:43:33 | -5992 |
| Henderson | 06:33:27 | -46.0 | Dark | Up | 49.5 | 149.1 | Up | 06:23:31 - 06:43:22 | -6009 |
| Patrick | 06:33:23 | -47.0 | Dark | Up | 50.5 | 150.2 | Up | 06:23:27 - 06:43:18 | -6031 |
| Lone Pine | 06:33:36 | -44.4 | Dark | Up | 47.7 | 145.3 | Up | 06:23:40 - 06:43:31 | -6052 |
| Kingman/Dolan Springs | 06:33:24 | -47.1 | Dark | Up | 50.6 | 149.8 | Up | 06:23:28 - 06:43:19 | -6057 |
| Searchlight/Boulder City | 06:33:26 | -46.6 | Dark | Up | 50.0 | 148.8 | Up | 06:23:30 - 06:43:21 | -6059 |
| Laughlin/Bullhead City | 06:33:26 | -47.0 | Dark | Up | 50.4 | 149.1 | Up | 06:23:30 - 06:43:21 | -6076 |
| Mohave Valley | 06:33:24 | -47.2 | Dark | Up | 50.7 | 148.9 | Up | 06:23:29 - 06:43:20 | -6101 |
| Lake Havasu City | 06:33:25 | -47.6 | Dark | Up | 51.1 | 149.0 | Up | 06:23:30 - 06:43:21 | -6130 |
| Parker | 06:33:24 | -48.0 | Dark | Up | 51.4 | 148.8 | Up | 06:23:28 - 06:43:19 | -6161 |
| Blythe | 06:33:25 | -48.3 | Dark | Up | 51.7 | 148.1 | Up | 06:23:30 - 06:43:21 | -6219 |
| CPSLO | 06:33:43 | -44.4 | Dark | Up | 47.5 | 141.1 | Up | 06:23:47 - 06:43:38 | -6251 |
| Idyllwild | 06:33:31 | -47.4 | Dark | Up | 50.7 | 145.2 | Up | 06:23:36 - 06:43:27 | -6276 |
| Calipatria | 06:33:27 | -48.4 | Dark | Up | 51.7 | 146.4 | Up | 06:23:32 - 06:43:23 | -6296 |
| Wildwood | 06:33:37 | -46.3 | Dark | Up | 49.5 | 142.9 | Up | 06:23:41 - 06:43:32 | -6302 |
| Yuma | 06:33:25 | -49.2 | Dark | Up | 52.5 | 147.4 | Up | 06:23:29 - 06:43:20 | -6307 |
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 533209, (2020/04/01 06:32UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 13.76 104 Vindemiatrix 13:02:10.2 +10:57:33 2.8 11.42 90 38 Vir 12:53:10.8 -03:33:11 6.1 3.40 94 PPM 159252 12:51:52.1 +00:05:05 8.0 0.25 92 PPM 178897 12:52:10.8 -00:22:39 10.4 0.22 92 533209 12:51:53.3 -00:10:07 12.0 92 Positions are for J2000
Event circumstances last updated at 2019/07/02 02:34:41 UT
Marc W. Buie, Southwest Research Institute