Event between (145453) 05RR43 and star GA1020:00511051 with event index number of 216142
Geocentric closest approach at 2019/11/01 08:37:05 UTC
J2000 position of star is 04:38:21.1 +12:56:40
Equinox of date position of star is 04:39:27.7 +12:58:57
Stellar brightness G=16.3,
use SENSEUP=128
Star is 155 degrees from the moon.
Moon is 21% illuminated.
TNO apparent brightness V=20.0
[RECON map]
TNO is 39.8 AU from the Sun
and 38.9 AU from the Earth.
The TNO is moving 21.5
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 106 seconds.
The 1-sigma cross-track error in the shadow position is
1904 km.
The sky-plane scale is
28238.4 km/arcsec.
The TNO has an absolute magnitude Hv=4.0
Diameter=955.0 km assuming a 5% albedo -- 44.4 sec chord
Diameter=389.9 km assuming a 30% albedo -- 18.1 sec chord
Dynamical classification is SCATEXTD
Star training set for 145453, (2019/11/01 08:37UT) Object RA Dec mag sep mel Aldebaran 04:37:03.7 +16:32:51 0.8 3.61 156 Bellatrix 05:26:11.7 +06:21:58 1.6 13.28 160 90 Tau 04:39:16.1 +12:32:57 4.3 0.44 155 PPM 120109 04:40:15.3 +13:02:26 7.5 0.20 155 145453 04:39:27.8 +12:58:57 16.3 155 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 22.8 km
RECON observability=1.0 and success probability=17.8%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Clarence Fulton | 08:37:40 | -52.3 | Dark | Down | 49.6 | 150.5 | Up | 08:28:22 - 08:46:58 | -1375 |
| Kelowna | 08:37:42 | -52.7 | Dark | Down | 49.8 | 150.1 | Up | 08:28:24 - 08:47:00 | -1404 |
| Summerland | 08:37:43 | -53.0 | Dark | Down | 50.0 | 149.6 | Up | 08:28:25 - 08:47:01 | -1423 |
| Penticton | 08:37:42 | -53.0 | Dark | Down | 50.1 | 149.7 | Up | 08:28:24 - 08:47:00 | -1430 |
| Victoria | 08:37:56 | -54.8 | Dark | Down | 49.6 | 143.7 | Up | 08:28:38 - 08:47:14 | -1454 |
| Oliver | 08:37:44 | -53.4 | Dark | Down | 50.4 | 149.5 | Up | 08:28:26 - 08:47:02 | -1460 |
| Anarchist Mountain Observatory | 08:37:43 | -53.5 | Dark | Down | 50.6 | 149.7 | Up | 08:28:25 - 08:47:01 | -1477 |
| Tonasket | 08:37:44 | -53.8 | Dark | Down | 50.9 | 149.4 | Up | 08:28:26 - 08:47:02 | -1502 |
| Okanogan | 08:37:45 | -54.1 | Dark | Down | 51.1 | 149.0 | Up | 08:28:27 - 08:47:03 | -1528 |
| Brewster | 08:37:46 | -54.4 | Dark | Down | 51.3 | 148.5 | Up | 08:28:28 - 08:47:04 | -1548 |
| Manson/Chelan | 08:37:47 | -54.7 | Dark | Down | 51.3 | 147.9 | Up | 08:28:29 - 08:47:05 | -1560 |
| Entiat | 08:37:48 | -54.9 | Dark | Down | 51.5 | 147.6 | Up | 08:28:30 - 08:47:06 | -1578 |
| Wenatchee | 08:37:49 | -55.2 | Dark | Down | 51.7 | 147.3 | Up | 08:28:31 - 08:47:07 | -1598 |
| Ellensburg | 08:37:50 | -55.6 | Dark | Down | 51.9 | 146.7 | Up | 08:28:32 - 08:47:08 | -1630 |
| Yakima | 08:37:51 | -56.0 | Dark | Down | 52.3 | 146.4 | Up | 08:28:33 - 08:47:09 | -1664 |
| Toppenish/White Swan | 08:37:51 | -56.1 | Dark | Down | 52.5 | 146.5 | Up | 08:28:33 - 08:47:09 | -1686 |
| Pasco | 08:37:47 | -55.9 | Dark | Down | 53.1 | 148.3 | Up | 08:28:29 - 08:47:05 | -1717 |
| Goldendale | 08:37:54 | -56.8 | Dark | Down | 52.8 | 145.5 | Up | 08:28:36 - 08:47:12 | -1727 |
| The Dalles | 08:37:55 | -57.1 | Dark | Down | 52.8 | 144.8 | Up | 08:28:37 - 08:47:13 | -1741 |
| PNWRO | 08:37:47 | -56.1 | Dark | Down | 53.4 | 148.5 | Up | 08:28:29 - 08:47:05 | -1742 |
| Maupin | 08:37:56 | -57.4 | Dark | Down | 53.2 | 144.6 | Up | 08:28:38 - 08:47:14 | -1779 |
| Sisters | 08:37:59 | -58.4 | Dark | Down | 53.7 | 143.2 | Up | 08:28:41 - 08:47:17 | -1848 |
| Redmond | 08:37:58 | -58.3 | Dark | Down | 53.9 | 143.8 | Up | 08:28:40 - 08:47:16 | -1857 |
| Bend | 08:37:58 | -58.5 | Dark | Down | 54.0 | 143.4 | Up | 08:28:40 - 08:47:16 | -1873 |
| Oregon Observatory | 08:37:59 | -58.7 | Dark | Down | 54.1 | 143.1 | Up | 08:28:41 - 08:47:17 | -1886 |
| La Pine/Gilchrist | 08:38:00 | -58.9 | Dark | Down | 54.3 | 142.8 | Up | 08:28:42 - 08:47:18 | -1904 |
| North Lake | 08:37:59 | -59.1 | Dark | Down | 54.9 | 143.3 | Up | 08:28:41 - 08:47:17 | -1953 |
| Paisley | 08:37:59 | -59.5 | Dark | Down | 55.5 | 143.4 | Up | 08:28:41 - 08:47:17 | -2009 |
| Klamath Falls | 08:38:04 | -60.3 | Dark | Down | 55.3 | 141.2 | Up | 08:28:46 - 08:47:22 | -2030 |
| Lakeview | 08:37:59 | -59.9 | Dark | Down | 56.0 | 143.3 | Up | 08:28:41 - 08:47:17 | -2059 |
| Cedarville | 08:37:59 | -60.5 | Dark | Down | 56.6 | 143.0 | Up | 08:28:41 - 08:47:17 | -2122 |
| Fall River/Burney | 08:38:04 | -61.3 | Dark | Down | 56.4 | 140.6 | Up | 08:28:46 - 08:47:22 | -2145 |
| Susanville | 08:38:03 | -61.6 | Dark | Down | 57.2 | 141.2 | Up | 08:28:45 - 08:47:21 | -2216 |
| Greenville | 08:38:04 | -61.9 | Dark | Down | 57.3 | 140.5 | Up | 08:28:46 - 08:47:22 | -2237 |
| Gimple | 08:38:04 | -61.9 | Dark | Down | 57.3 | 140.6 | Up | 08:28:46 - 08:47:22 | -2238 |
| Quincy | 08:38:05 | -62.1 | Dark | Down | 57.5 | 140.3 | Up | 08:28:47 - 08:47:23 | -2256 |
| Portola | 08:38:03 | -62.1 | Dark | Down | 57.8 | 140.9 | Up | 08:28:45 - 08:47:21 | -2276 |
| Reno | 08:38:01 | -62.1 | Dark | Down | 58.3 | 141.6 | Up | 08:28:43 - 08:47:19 | -2313 |
| Carson City | 08:38:02 | -62.4 | Dark | Down | 58.6 | 141.3 | Up | 08:28:44 - 08:47:20 | -2347 |
| Gardnerville | 08:38:02 | -62.6 | Dark | Down | 58.8 | 141.1 | Up | 08:28:44 - 08:47:20 | -2371 |
| Yerington | 08:38:00 | -62.3 | Dark | Down | 59.0 | 142.1 | Up | 08:28:42 - 08:47:18 | -2377 |
| Hawthorne | 08:37:59 | -62.5 | Dark | Down | 59.7 | 142.5 | Up | 08:28:41 - 08:47:17 | -2431 |
| Lee Vining | 08:38:02 | -63.1 | Dark | Down | 59.9 | 141.1 | Up | 08:28:44 - 08:47:20 | -2475 |
| Niwot | 08:37:06 | -54.4 | Dark | Down | 62.5 | 169.1 | Up | 08:27:48 - 08:46:24 | -2495 |
| Tonopah | 08:37:54 | -62.2 | Dark | Down | 60.7 | 144.5 | Up | 08:28:36 - 08:47:12 | -2500 |
| SwRI | 08:37:07 | -54.5 | Dark | Down | 62.6 | 168.9 | Up | 08:27:49 - 08:46:25 | -2504 |
| Bishop | 08:38:00 | -63.3 | Dark | Down | 60.7 | 141.7 | Up | 08:28:42 - 08:47:18 | -2546 |
| Beatty | 08:37:54 | -62.9 | Dark | Down | 61.8 | 144.0 | Up | 08:28:36 - 08:47:12 | -2621 |
| Indian Springs | 08:37:50 | -62.7 | Dark | Down | 62.6 | 145.6 | Up | 08:28:32 - 08:47:08 | -2672 |
| CPSLO | 08:38:12 | -66.0 | Dark | Down | 61.1 | 135.5 | Up | 08:28:54 - 08:47:30 | -2703 |
| Henderson | 08:37:49 | -62.7 | Dark | Down | 63.4 | 146.4 | Up | 08:28:31 - 08:47:07 | -2736 |
| Searchlight/Boulder City | 08:37:49 | -63.1 | Dark | Down | 63.9 | 145.8 | Up | 08:28:31 - 08:47:07 | -2794 |
| Patrick | 08:37:45 | -62.5 | Dark | Down | 64.4 | 147.8 | Up | 08:28:27 - 08:47:03 | -2818 |
| Laughlin/Bullhead City | 08:37:49 | -63.1 | Dark | Down | 64.3 | 146.2 | Up | 08:28:31 - 08:47:07 | -2830 |
| Kingman/Dolan Springs | 08:37:46 | -62.8 | Dark | Down | 64.5 | 147.2 | Up | 08:28:28 - 08:47:04 | -2836 |
| Mohave Valley | 08:37:49 | -63.3 | Dark | Down | 64.5 | 145.9 | Up | 08:28:31 - 08:47:07 | -2857 |
| DCO | 08:37:43 | -62.3 | Dark | Down | 64.9 | 148.9 | Up | 08:28:25 - 08:47:01 | -2860 |
| Wildwood | 08:38:06 | -66.1 | Dark | Down | 63.1 | 137.4 | Up | 08:28:48 - 08:47:24 | -2862 |
| Lake Havasu City | 08:37:49 | -63.4 | Dark | Down | 64.9 | 145.9 | Up | 08:28:31 - 08:47:07 | -2901 |
| Idyllwild | 08:37:59 | -65.3 | Dark | Down | 64.4 | 140.3 | Up | 08:28:41 - 08:47:17 | -2933 |
| Parker | 08:37:49 | -63.7 | Dark | Down | 65.2 | 145.5 | Up | 08:28:31 - 08:47:07 | -2937 |
| Blythe | 08:37:50 | -64.2 | Dark | Down | 65.5 | 144.3 | Up | 08:28:32 - 08:47:08 | -2984 |
| Calipatria | 08:37:55 | -65.1 | Dark | Down | 65.5 | 141.8 | Up | 08:28:37 - 08:47:13 | -3016 |
| George/Scottsdale | 08:37:39 | -62.4 | Dark | Down | 66.7 | 150.1 | Up | 08:28:21 - 08:46:57 | -3022 |
| Yuma | 08:37:52 | -64.8 | Dark | Down | 66.3 | 143.0 | Up | 08:28:34 - 08:47:10 | -3076 |
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 145453, (2019/11/01 08:37UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 3.61 156 Bellatrix 05:25:07.8 +06:20:58 1.6 13.28 160 90 Tau 04:38:09.6 +12:30:39 4.3 0.44 155 PPM 120109 04:39:08.6 +13:00:09 7.5 0.20 155 145453 04:38:21.1 +12:56:40 16.3 155 Positions are for J2000
Event circumstances last updated at 2019/10/26 22:39:10 UT
Marc W. Buie, Southwest Research Institute