Event between 13KZ18 and star GA1160:15952694 with event index number of 357444
Geocentric closest approach at 2020/09/19 03:15:55 UTC
J2000 position of star is 23:18:41.3 +27:08:12
Equinox of date position of star is 23:19:40.9 +27:14:51
Stellar brightness G=16.1,
use SENSEUP=128
Star is 142 degrees from the moon.
Moon is 4% illuminated.
TNO apparent brightness V=22.9
[RECON map]
TNO is 19.4 AU from the Sun
and 18.5 AU from the Earth.
The TNO is moving 22.6
km/sec on the sky relative to the star, or,
6.1 arcsec/hr.
The 1-sigma error in the time of the event is 79 seconds.
The 1-sigma cross-track error in the shadow position is
2089 km.
The sky-plane scale is
13426.3 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=97.7 km assuming a 5% albedo -- 2.7 sec chord
Diameter=39.9 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURR
Star training set for 13KZ18, (2020/09/19 03:16UT) Object RA Dec mag sep mel Deneb 20:42:08.3 +45:21:19 1.3 36.04 107 Scheat 23:04:46.9 +28:11:44 2.4 3.44 139 61 Peg 23:16:47.2 +28:21:40 6.5 1.28 141 PPM 115363 23:20:37.8 +27:36:12 7.9 0.41 142 PPM 115346 23:19:29.7 +27:34:00 9.3 0.32 142 PPM 115333 23:18:37.8 +27:02:34 10.1 0.32 142 13KZ18 23:19:42.5 +27:15:01 16.1 143 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 24.2 km
RECON observability=0.4 and success probability=10.8%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Victoria | 03:17:59 | -10.6 | NT | Up | 36.2 | 88.5 | Up | 03:10:56 - 03:25:02 | 528 |
| Clarence Fulton | 03:17:48 | -12.6 | AT | Down | 38.8 | 92.9 | Up | 03:10:45 - 03:24:51 | 479 |
| Peachland | 03:17:51 | -12.5 | AT | Down | 38.5 | 92.2 | Up | 03:10:48 - 03:24:54 | 466 |
| Kelowna | 03:17:50 | -12.7 | AT | Down | 38.7 | 92.5 | Up | 03:10:47 - 03:24:53 | 461 |
| Summerland | 03:17:51 | -12.6 | AT | Down | 38.6 | 92.1 | Up | 03:10:48 - 03:24:54 | 453 |
| Penticton | 03:17:51 | -12.7 | AT | Down | 38.7 | 92.2 | Up | 03:10:48 - 03:24:54 | 445 |
| Oliver | 03:17:53 | -12.8 | AT | Down | 38.7 | 91.9 | Up | 03:10:50 - 03:24:56 | 424 |
| Anarchist Mountain Observatory | 03:17:53 | -13.0 | AT | Down | 38.8 | 91.9 | Up | 03:10:50 - 03:24:56 | 406 |
| Tonasket | 03:17:54 | -13.0 | AT | Down | 38.8 | 91.6 | Up | 03:10:51 - 03:24:57 | 389 |
| Okanogan | 03:17:56 | -13.0 | AT | Down | 38.7 | 91.2 | Up | 03:10:53 - 03:24:59 | 374 |
| Manson/Chelan | 03:17:59 | -12.8 | AT | Down | 38.3 | 90.4 | Up | 03:10:56 - 03:25:02 | 366 |
| Brewster | 03:17:57 | -13.0 | AT | Down | 38.6 | 90.9 | Up | 03:10:54 - 03:25:00 | 365 |
| Entiat | 03:18:00 | -12.8 | AT | Down | 38.3 | 90.2 | Up | 03:10:57 - 03:25:03 | 355 |
| Wenatchee | 03:18:01 | -12.9 | AT | Down | 38.2 | 89.9 | Up | 03:10:58 - 03:25:04 | 343 |
| Ellensburg | 03:18:03 | -12.8 | AT | Down | 38.1 | 89.4 | Up | 03:11:00 - 03:25:06 | 326 |
| Yakima | 03:18:04 | -12.9 | AT | Down | 38.1 | 89.1 | Up | 03:11:01 - 03:25:07 | 300 |
| Toppenish/White Swan | 03:18:05 | -13.1 | AT | Down | 38.2 | 89.1 | Up | 03:11:02 - 03:25:08 | 280 |
| Goldendale | 03:18:08 | -13.0 | AT | Down | 37.9 | 88.3 | Up | 03:11:05 - 03:25:11 | 261 |
| The Dalles | 03:18:09 | -12.8 | AT | Down | 37.6 | 87.9 | Up | 03:11:06 - 03:25:12 | 261 |
| Maupin | 03:18:10 | -13.0 | AT | Down | 37.7 | 87.7 | Up | 03:11:07 - 03:25:13 | 230 |
| Pasco | 03:18:04 | -14.0 | AT | Down | 39.0 | 89.9 | Up | 03:11:01 - 03:25:07 | 222 |
| PNWRO | 03:18:04 | -14.2 | AT | Down | 39.2 | 89.8 | Up | 03:11:01 - 03:25:07 | 197 |
| Sisters | 03:18:15 | -12.9 | AT | Up | 37.3 | 86.7 | Up | 03:11:12 - 03:25:18 | 193 |
| Redmond | 03:18:14 | -13.2 | AT | Down | 37.6 | 86.9 | Up | 03:11:11 - 03:25:17 | 175 |
| Bend | 03:18:15 | -13.1 | AT | Up | 37.5 | 86.7 | Up | 03:11:12 - 03:25:18 | 166 |
| Oregon Observatory | 03:18:16 | -13.1 | AT | Up | 37.4 | 86.5 | Up | 03:11:13 - 03:25:19 | 160 |
| La Pine/Gilchrist | 03:18:17 | -13.1 | AT | Up | 37.3 | 86.3 | Up | 03:11:14 - 03:25:20 | 149 |
| North Lake | 03:18:18 | -13.7 | AT | Down | 37.7 | 86.3 | Up | 03:11:15 - 03:25:21 | 95 |
| Klamath Falls | 03:18:23 | -13.3 | AT | Up | 37.0 | 85.0 | Up | 03:11:20 - 03:25:26 | 62 |
| Paisley | 03:18:20 | -14.1 | AT | Down | 38.0 | 86.1 | Up | 03:11:17 - 03:25:23 | 42 |
| Lakeview | 03:18:21 | -14.3 | AT | Down | 38.1 | 85.9 | Up | 03:11:18 - 03:25:24 | -1 |
| Fall River/Burney | 03:18:27 | -13.9 | AT | Up | 37.2 | 84.4 | Up | 03:11:24 - 03:25:30 | -35 |
| Cedarville | 03:18:23 | -14.6 | AT | Down | 38.2 | 85.5 | Up | 03:11:20 - 03:25:26 | -54 |
| Susanville | 03:18:28 | -14.6 | AT | Down | 37.7 | 84.3 | Up | 03:11:25 - 03:25:31 | -112 |
| Greenville | 03:18:30 | -14.4 | AT | Up | 37.5 | 83.9 | Up | 03:11:27 - 03:25:33 | -119 |
| Gimple | 03:18:30 | -14.5 | AT | Up | 37.5 | 84.0 | Up | 03:11:27 - 03:25:33 | -123 |
| Quincy | 03:18:30 | -14.5 | AT | Up | 37.4 | 83.8 | Up | 03:11:27 - 03:25:33 | -133 |
| Portola | 03:18:30 | -14.9 | AT | Down | 37.8 | 84.0 | Up | 03:11:27 - 03:25:33 | -163 |
| Reno | 03:18:30 | -15.4 | AT | Down | 38.3 | 84.1 | Up | 03:11:27 - 03:25:33 | -211 |
| Carson City | 03:18:32 | -15.6 | AT | Down | 38.2 | 83.9 | Up | 03:11:29 - 03:25:35 | -238 |
| Gardnerville | 03:18:32 | -15.7 | AT | Down | 38.3 | 83.7 | Up | 03:11:29 - 03:25:35 | -258 |
| Yerington | 03:18:32 | -16.1 | AT | Down | 38.7 | 84.1 | Up | 03:11:29 - 03:25:35 | -280 |
| Hawthorne | 03:18:33 | -16.6 | AT | Down | 39.1 | 84.0 | Up | 03:11:30 - 03:25:36 | -338 |
| Lee Vining | 03:18:35 | -16.4 | AT | Down | 38.6 | 83.3 | Up | 03:11:32 - 03:25:38 | -358 |
| Bishop | 03:18:36 | -17.1 | AT | Down | 39.1 | 83.2 | Up | 03:11:33 - 03:25:39 | -436 |
| Tonopah | 03:18:32 | -17.8 | AT | Down | 40.1 | 84.4 | Up | 03:11:29 - 03:25:35 | -436 |
| CPSLO | 03:18:47 | -15.9 | AT | Up | 37.1 | 80.5 | Up | 03:11:44 - 03:25:50 | -489 |
| Beatty | 03:18:35 | -18.5 | Dark | Down | 40.4 | 83.7 | Up | 03:11:32 - 03:25:38 | -546 |
| Indian Springs | 03:18:35 | -19.4 | Dark | Down | 41.2 | 84.0 | Up | 03:11:32 - 03:25:38 | -621 |
| Wildwood | 03:18:48 | -17.8 | AT | Down | 38.6 | 80.5 | Up | 03:11:45 - 03:25:51 | -679 |
| Henderson | 03:18:35 | -20.1 | Dark | Down | 41.7 | 83.9 | Up | 03:11:32 - 03:25:38 | -695 |
| Searchlight/Boulder City | 03:18:37 | -20.3 | Dark | Down | 41.7 | 83.4 | Up | 03:11:34 - 03:25:40 | -743 |
| Laughlin/Bullhead City | 03:18:37 | -20.7 | Dark | Down | 42.0 | 83.3 | Up | 03:11:34 - 03:25:40 | -783 |
| Patrick | 03:18:36 | -21.2 | Dark | Down | 42.6 | 83.9 | Up | 03:11:33 - 03:25:39 | -796 |
| Idyllwild | 03:18:46 | -19.4 | Dark | Down | 40.0 | 81.1 | Up | 03:11:43 - 03:25:49 | -797 |
| Niwot | 03:18:03 | -25.7 | Dark | Down | 49.4 | 93.8 | Up | 03:11:00 - 03:25:06 | -804 |
| Kingman/Dolan Springs | 03:18:36 | -21.1 | Dark | Down | 42.4 | 83.6 | Up | 03:11:33 - 03:25:39 | -805 |
| Mohave Valley | 03:18:38 | -20.8 | Dark | Down | 41.9 | 83.0 | Up | 03:11:35 - 03:25:41 | -805 |
| SwRI | 03:18:03 | -25.7 | Dark | Down | 49.4 | 93.6 | Up | 03:11:00 - 03:25:06 | -809 |
| Lake Havasu City | 03:18:39 | -21.1 | Dark | Down | 42.1 | 82.8 | Up | 03:11:36 - 03:25:42 | -849 |
| DCO | 03:18:35 | -21.8 | Dark | Down | 43.1 | 83.9 | Up | 03:11:32 - 03:25:38 | -854 |
| Parker | 03:18:41 | -21.2 | Dark | Down | 42.1 | 82.5 | Up | 03:11:38 - 03:25:44 | -879 |
| Calipatria | 03:18:46 | -20.5 | Dark | Down | 40.9 | 81.1 | Up | 03:11:43 - 03:25:49 | -903 |
| Blythe | 03:18:43 | -21.1 | Dark | Down | 41.8 | 81.9 | Up | 03:11:40 - 03:25:46 | -908 |
| Yuma | 03:18:46 | -21.4 | Dark | Down | 41.6 | 81.1 | Up | 03:11:43 - 03:25:49 | -981 |
| George/Scottsdale | 03:18:37 | -23.3 | Dark | Down | 44.0 | 83.2 | Up | 03:11:34 - 03:25:40 | -1029 |
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 13KZ18, (2020/09/19 03:16UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 36.04 107 Scheat 23:03:46.8 +28:05:01 2.4 3.44 139 61 Peg 23:15:46.3 +28:14:52 6.5 1.28 141 PPM 115363 23:19:36.6 +27:29:23 7.9 0.41 142 PPM 115346 23:18:28.6 +27:27:11 9.3 0.32 142 PPM 115333 23:17:36.7 +26:55:45 10.1 0.32 142 13KZ18 23:18:41.3 +27:08:12 16.1 142 Positions are for J2000
Event circumstances last updated at 2020/03/10 22:07:59 UT
Marc W. Buie, Southwest Research Institute