Event between (601690) 13KZ18 and star GA1220:15423689 with event index number of 2732914
Geocentric closest approach at 2023/01/17 01:36:43 UTC
J2000 position of star is 23:44:41.6 +32:30:55
Equinox of date position of star is 23:45:50.7 +32:38:32
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 132 degrees from the moon.
Moon is 30% illuminated.
TNO apparent brightness V=22.2
[RECON map]
TNO is 20.0 AU from the Sun
and 20.2 AU from the Earth.
The TNO is moving 19.8
km/sec on the sky relative to the star, or,
4.9 arcsec/hr.
The 1-sigma error in the time of the event is 52 seconds.
The 1-sigma cross-track error in the shadow position is
1070 km.
The sky-plane scale is
14678.5 km/arcsec.
The TNO has an absolute magnitude Hv=8.9
Diameter=100.5 km assuming a 5% albedo -- 5.1 sec chord
Diameter=41.0 km assuming a 30% albedo -- 2.1 sec chord
Dynamical classification is CENTAURR
Star training set for 601690, (2023/01/17 01:36UT) Object RA Dec mag sep mel Deneb 20:42:13.1 +45:21:49 1.3 37.30 98 Scheat 23:04:53.7 +28:12:29 2.4 9.87 123 72 Peg 23:35:06.1 +31:27:10 6.3 2.57 130 PPM 089041 23:42:26.9 +32:41:20 7.4 0.72 131 PPM 089072 23:44:27.7 +32:29:59 9.5 0.33 131 PPM 089077 23:44:57.5 +32:53:56 11.2 0.32 132 601690 23:45:51.2 +32:38:36 16.9 132 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 0.0 km
RECON observability=0.1 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) |
| Sleaford | 01:38:18 | -20.0 | Dark | Down | 55.9 | 250.3 | Up | 01:33:30 - 01:43:06 | 471 |
| Kamloops | 01:37:43 | -10.9 | NT | Down | 64.6 | 233.5 | Up | 01:32:55 - 01:42:31 | -103 |
| Kelowna | 01:37:48 | -11.2 | NT | Down | 64.6 | 236.4 | Up | 01:33:00 - 01:42:36 | -152 |
| Peachland | 01:37:47 | -10.9 | NT | Down | 64.8 | 236.1 | Up | 01:32:59 - 01:42:35 | -171 |
| Summerland | 01:37:48 | -10.9 | NT | Down | 64.9 | 236.5 | Up | 01:33:00 - 01:42:36 | -182 |
| Penticton | 01:37:49 | -11.0 | NT | Down | 64.8 | 236.8 | Up | 01:33:01 - 01:42:37 | -185 |
| Oliver | 01:37:50 | -10.9 | NT | Down | 65.0 | 237.4 | Up | 01:33:02 - 01:42:38 | -218 |
| Anarchist Mountain Observatory | 01:37:51 | -10.9 | NT | Down | 65.0 | 238.0 | Up | 01:33:03 - 01:42:39 | -228 |
| Okanogan | 01:37:52 | -10.6 | NT | Down | 65.5 | 238.9 | Up | 01:33:04 - 01:42:40 | -295 |
| Brewster | 01:37:52 | -10.4 | NT | Down | 65.7 | 239.1 | Up | 01:33:04 - 01:42:40 | -326 |
| Manson/Chelan | 01:37:51 | -10.1 | NT | Down | 66.0 | 239.0 | Up | 01:33:03 - 01:42:39 | -357 |
| Victoria | 01:37:39 | -8.2 | NT | Down | 67.5 | 232.4 | Up | 01:32:51 - 01:42:27 | -392 |
| Wenatchee | 01:37:52 | -9.8 | NT | Down | 66.4 | 239.6 | Up | 01:33:04 - 01:42:40 | -407 |
| Ellensburg | 01:37:53 | -9.5 | NT | Down | 66.7 | 240.1 | Up | 01:33:05 - 01:42:41 | -453 |
| Yakima | 01:37:54 | -9.4 | NT | Down | 66.9 | 240.9 | Up | 01:33:06 - 01:42:42 | -492 |
| PNWRO | 01:38:01 | -10.3 | NT | Down | 66.2 | 244.6 | Up | 01:33:13 - 01:42:49 | -496 |
| Toppenish/White Swan | 01:37:55 | -9.4 | NT | Down | 66.9 | 241.6 | Up | 01:33:07 - 01:42:43 | -508 |
| Dunrhomin | 01:39:02 | -18.6 | Dark | Down | 57.4 | 269.0 | Up | 01:34:14 - 01:43:50 | -514 |
| CU-SBO | 01:39:03 | -18.4 | Dark | Down | 57.5 | 269.3 | Up | 01:34:15 - 01:43:51 | -541 |
| The Dalles | 01:37:54 | -8.6 | NT | Down | 67.8 | 242.1 | Up | 01:33:06 - 01:42:42 | -607 |
| Maupin | 01:37:56 | -8.5 | NT | Down | 67.9 | 243.2 | Up | 01:33:08 - 01:42:44 | -644 |
| Sisters | 01:37:56 | -7.9 | NT | Down | 68.6 | 244.4 | Up | 01:33:08 - 01:42:44 | -744 |
| Bend | 01:37:58 | -8.0 | NT | Down | 68.5 | 245.4 | Up | 01:33:10 - 01:42:46 | -759 |
| Oregon Observatory | 01:37:58 | -7.8 | NT | Down | 68.7 | 245.6 | Up | 01:33:10 - 01:42:46 | -780 |
| Chiloquin | 01:38:00 | -7.1 | NT | Down | 69.5 | 248.2 | Up | 01:33:12 - 01:42:48 | -922 |
| Klamath Falls | 01:38:01 | -7.0 | NT | Down | 69.5 | 249.1 | Up | 01:33:13 - 01:42:49 | -953 |
| Cedarville | 01:38:09 | -7.9 | NT | Down | 68.6 | 253.0 | Up | 01:33:21 - 01:42:57 | -968 |
| Fall River/Burney | 01:38:06 | -6.8 | NT | Down | 69.7 | 252.7 | Up | 01:33:18 - 01:42:54 | -1057 |
| Gimple | 01:38:10 | -6.9 | NT | Down | 69.5 | 255.7 | Up | 01:33:22 - 01:42:58 | -1129 |
| Greenville | 01:38:09 | -6.8 | NT | Down | 69.6 | 255.6 | Up | 01:33:21 - 01:42:57 | -1131 |
| Portola | 01:38:12 | -7.1 | NT | Down | 69.3 | 257.0 | Up | 01:33:24 - 01:43:00 | -1147 |
| Reno | 01:38:15 | -7.5 | NT | Down | 68.8 | 258.4 | Up | 01:33:27 - 01:43:03 | -1151 |
| Quincy | 01:38:10 | -6.8 | NT | Down | 69.6 | 256.1 | Up | 01:33:22 - 01:42:58 | -1151 |
| Yerington | 01:38:19 | -7.7 | NT | Down | 68.4 | 260.4 | Up | 01:33:31 - 01:43:07 | -1182 |
| Carson City | 01:38:16 | -7.3 | NT | Down | 68.9 | 259.3 | Up | 01:33:28 - 01:43:04 | -1185 |
| Gardnerville | 01:38:17 | -7.3 | NT | Down | 68.9 | 260.0 | Up | 01:33:29 - 01:43:05 | -1208 |
| Hawthorne | 01:38:22 | -8.0 | NT | Down | 68.1 | 262.1 | Up | 01:33:34 - 01:43:10 | -1208 |
| Lee Vining | 01:38:22 | -7.4 | NT | Down | 68.5 | 263.1 | Up | 01:33:34 - 01:43:10 | -1282 |
| Beatty | 01:38:33 | -8.9 | NT | Down | 66.7 | 267.5 | Up | 01:33:45 - 01:43:21 | -1298 |
| Bishop | 01:38:26 | -7.8 | NT | Down | 68.0 | 265.2 | Up | 01:33:38 - 01:43:14 | -1314 |
| Patrick | 01:38:48 | -10.6 | NT | Down | 64.3 | 272.5 | Up | 01:34:00 - 01:43:36 | -1329 |
| Laughlin/Bullhead City | 01:38:46 | -10.0 | NT | Down | 64.9 | 272.6 | Up | 01:33:58 - 01:43:34 | -1381 |
| George/Scottsdale | 01:39:00 | -11.7 | NT | Down | 62.5 | 276.8 | Up | 01:34:12 - 01:43:48 | -1409 |
| Lake Havasu City | 01:38:49 | -10.0 | NT | Down | 64.6 | 274.2 | Up | 01:34:01 - 01:43:37 | -1437 |
| Idyllwild | 01:38:42 | -7.9 | NT | Down | 66.6 | 274.9 | Up | 01:33:54 - 01:43:30 | -1608 |
| Calipatria | 01:38:48 | -8.6 | NT | Down | 65.5 | 276.7 | Up | 01:34:00 - 01:43:36 | -1620 |
| Yuma | 01:38:53 | -9.2 | NT | Down | 64.7 | 277.9 | Up | 01:34:05 - 01:43:41 | -1625 |
| Wildwood | 01:38:34 | -6.5 | NT | Down | 68.2 | 273.2 | Up | 01:33:46 - 01:43:22 | -1646 |
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 601690, (2023/01/17 01:36UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 37.30 98 Scheat 23:03:46.8 +28:05:01 2.4 9.87 123 72 Peg 23:33:57.3 +31:19:31 6.3 2.57 130 PPM 089041 23:41:17.6 +32:33:40 7.4 0.72 131 PPM 089072 23:43:18.2 +32:22:19 9.5 0.33 131 PPM 089077 23:43:48.0 +32:46:15 11.2 0.32 132 601690 23:44:41.6 +32:30:55 16.9 132 Positions are for J2000
Event circumstances last updated at 2022/11/13 03:29:10 UT
Marc W. Buie, Southwest Research Institute