Event between (523624) 08CT190 and star GA1260:03571041 with event index number of 2426502
Geocentric closest approach at 2023/02/17 13:02:50 UTC
J2000 position of star is 12:31:21.7 +37:38:05
Equinox of date position of star is 12:32:26.6 +37:30:46
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 117 degrees from the moon.
Moon is 11% illuminated.
TNO apparent brightness V=21.3
[RECON map]
TNO is 35.4 AU from the Sun
and 34.6 AU from the Earth.
The TNO is moving 23.9
km/sec on the sky relative to the star, or,
3.4 arcsec/hr.
The 1-sigma error in the time of the event is 92 seconds.
The 1-sigma cross-track error in the shadow position is
2792 km.
The sky-plane scale is
25118.3 km/arcsec.
The TNO has an absolute magnitude Hv=5.7
Diameter=430.5 km assuming a 5% albedo -- 18.0 sec chord
Diameter=175.8 km assuming a 30% albedo -- 7.4 sec chord
Dynamical classification is 7:3EEEE
Star training set for 523624, (2023/02/17 13:03UT) Object RA Dec mag sep mel Arcturus 14:16:43.1 +19:03:49 0.0 29.26 89 Phad 11:55:02.2 +53:33:58 2.4 17.31 125 6 CVn 12:26:59.0 +38:53:26 5.0 1.76 118 PPM 076563 12:34:37.3 +37:56:29 7.5 0.60 116 PPM 076508 12:30:05.6 +37:28:02 9.7 0.48 117 PPM 076543 12:32:52.8 +37:38:09 11.0 0.15 117 523624 12:32:29.6 +37:30:26 16.5 116 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 6.0 km
RECON observability=0.9 and success probability=4.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 13:02:47 | -11.7 | NT | Down | 53.1 | 266.8 | Up | 12:54:36 - 13:10:58 | -262 |
| Dunrhomin | 13:01:52 | -10.1 | NT | Up | 51.8 | 282.6 | Up | 12:53:41 - 13:10:03 | -389 |
| George/Scottsdale | 13:01:26 | -14.8 | AT | Up | 55.2 | 289.0 | Up | 12:53:15 - 13:09:37 | -1056 |
| Kelowna | 13:02:44 | -20.2 | Dark | Down | 61.9 | 258.0 | Up | 12:54:33 - 13:10:55 | -1089 |
| Penticton | 13:02:42 | -20.3 | Dark | Down | 62.0 | 258.5 | Up | 12:54:31 - 13:10:53 | -1103 |
| Anarchist Mountain Observatory | 13:02:40 | -20.2 | Dark | Down | 62.0 | 259.6 | Up | 12:54:29 - 13:10:51 | -1105 |
| Summerland | 13:02:43 | -20.4 | Dark | Down | 62.0 | 258.2 | Up | 12:54:32 - 13:10:54 | -1108 |
| Peachland | 13:02:44 | -20.4 | Dark | Down | 62.1 | 257.9 | Up | 12:54:33 - 13:10:55 | -1110 |
| Oliver | 13:02:41 | -20.4 | Dark | Down | 62.1 | 259.1 | Up | 12:54:30 - 13:10:52 | -1113 |
| Tonasket | 13:02:39 | -20.3 | Dark | Down | 62.1 | 260.1 | Up | 12:54:28 - 13:10:50 | -1119 |
| Kamloops | 13:02:48 | -20.7 | Dark | Down | 62.2 | 255.5 | Up | 12:54:37 - 13:10:59 | -1120 |
| Okanogan | 13:02:37 | -20.5 | Dark | Down | 62.2 | 260.6 | Up | 12:54:26 - 13:10:48 | -1138 |
| Patrick | 13:01:35 | -16.6 | AT | Up | 57.3 | 286.2 | Up | 12:53:24 - 13:09:46 | -1151 |
| Brewster | 13:02:36 | -20.6 | Dark | Down | 62.4 | 260.9 | Up | 12:54:25 - 13:10:47 | -1159 |
| PNWRO | 13:02:27 | -20.2 | Dark | Down | 62.1 | 265.6 | Up | 12:54:16 - 13:10:38 | -1164 |
| Kingman/Dolan Springs | 13:01:34 | -16.7 | AT | Up | 57.4 | 286.5 | Up | 12:53:23 - 13:09:45 | -1173 |
| Manson/Chelan | 13:02:36 | -20.9 | Dark | Down | 62.7 | 260.9 | Up | 12:54:25 - 13:10:47 | -1188 |
| Henderson | 13:01:39 | -17.5 | AT | Up | 58.3 | 285.0 | Up | 12:53:28 - 13:09:50 | -1214 |
| Laughlin/Bullhead City | 13:01:35 | -17.1 | AT | Up | 57.8 | 286.4 | Up | 12:53:24 - 13:09:46 | -1214 |
| Wenatchee | 13:02:33 | -21.0 | Dark | Down | 62.9 | 261.7 | Up | 12:54:22 - 13:10:44 | -1214 |
| Lake Havasu City | 13:01:32 | -16.9 | AT | Up | 57.4 | 287.5 | Up | 12:53:21 - 13:09:43 | -1218 |
| Mohave Valley | 13:01:34 | -17.1 | AT | Up | 57.7 | 286.9 | Up | 12:53:23 - 13:09:45 | -1223 |
| Parker | 13:01:30 | -16.9 | AT | Up | 57.3 | 288.0 | Up | 12:53:19 - 13:09:41 | -1229 |
| Ellensburg | 13:02:32 | -21.2 | Dark | Down | 63.1 | 262.3 | Up | 12:54:21 - 13:10:43 | -1241 |
| Indian Springs | 13:01:42 | -18.1 | Dark | Up | 59.0 | 284.0 | Up | 12:53:31 - 13:09:53 | -1247 |
| Toppenish/White Swan | 13:02:29 | -21.2 | Dark | Down | 63.1 | 263.6 | Up | 12:54:18 - 13:10:40 | -1251 |
| Yakima | 13:02:29 | -21.3 | Dark | Down | 63.2 | 263.0 | Up | 12:54:18 - 13:10:40 | -1255 |
| Goldendale | 13:02:27 | -21.5 | Dark | Down | 63.4 | 264.3 | Up | 12:54:16 - 13:10:38 | -1296 |
| Tonopah | 13:01:50 | -19.3 | Dark | Up | 60.5 | 281.0 | Up | 12:53:39 - 13:10:01 | -1308 |
| Yuma | 13:01:25 | -17.1 | AT | Up | 57.1 | 290.1 | Up | 12:53:14 - 13:09:36 | -1309 |
| Beatty | 13:01:44 | -18.9 | Dark | Up | 59.9 | 283.1 | Up | 12:53:33 - 13:09:55 | -1316 |
| The Dalles | 13:02:27 | -21.8 | Dark | Down | 63.7 | 264.5 | Up | 12:54:16 - 13:10:38 | -1328 |
| Maupin | 13:02:25 | -21.8 | Dark | Down | 63.7 | 265.4 | Up | 12:54:14 - 13:10:36 | -1335 |
| Calipatria | 13:01:27 | -17.9 | AT | Up | 57.9 | 289.4 | Up | 12:53:16 - 13:09:38 | -1363 |
| Victoria | 13:02:42 | -23.0 | Dark | Down | 64.7 | 256.4 | Up | 12:54:31 - 13:10:53 | -1375 |
| Lakeview | 13:02:10 | -21.5 | Dark | Down | 63.3 | 271.9 | Up | 12:53:59 - 13:10:21 | -1388 |
| Bend | 13:02:20 | -22.1 | Dark | Down | 63.9 | 267.5 | Up | 12:54:09 - 13:10:31 | -1389 |
| North Lake | 13:02:16 | -21.8 | Dark | Down | 63.7 | 269.4 | Up | 12:54:05 - 13:10:27 | -1389 |
| Hawthorne | 13:01:53 | -20.4 | Dark | Down | 61.6 | 279.7 | Up | 12:53:42 - 13:10:04 | -1396 |
| Sisters | 13:02:21 | -22.2 | Dark | Down | 64.1 | 266.8 | Up | 12:54:10 - 13:10:32 | -1399 |
| Cedarville | 13:02:08 | -21.4 | Dark | Down | 63.1 | 273.3 | Up | 12:53:57 - 13:10:19 | -1399 |
| Oregon Observatory | 13:02:19 | -22.2 | Dark | Down | 64.0 | 267.7 | Up | 12:54:08 - 13:10:30 | -1404 |
| Yerington | 13:01:55 | -20.8 | Dark | Down | 62.1 | 278.6 | Up | 12:53:44 - 13:10:06 | -1418 |
| Bishop | 13:01:48 | -20.2 | Dark | Down | 61.3 | 281.9 | Up | 12:53:37 - 13:09:59 | -1422 |
| Idyllwild | 13:01:30 | -18.9 | Dark | Up | 59.0 | 288.3 | Up | 12:53:19 - 13:09:41 | -1431 |
| Reno | 13:01:59 | -21.3 | Dark | Down | 62.7 | 277.3 | Up | 12:53:48 - 13:10:10 | -1446 |
| Lee Vining | 13:01:51 | -20.8 | Dark | Down | 61.9 | 280.5 | Up | 12:53:40 - 13:10:02 | -1453 |
| Carson City | 13:01:56 | -21.3 | Dark | Down | 62.6 | 278.0 | Up | 12:53:45 - 13:10:07 | -1457 |
| Gardnerville | 13:01:56 | -21.2 | Dark | Down | 62.6 | 278.5 | Up | 12:53:45 - 13:10:07 | -1463 |
| Susanville | 13:02:04 | -21.9 | Dark | Down | 63.4 | 275.2 | Up | 12:53:53 - 13:10:15 | -1474 |
| Chiloquin | 13:02:14 | -22.6 | Dark | Down | 64.4 | 270.1 | Up | 12:54:03 - 13:10:25 | -1480 |
| Portola | 13:02:00 | -21.8 | Dark | Down | 63.2 | 276.5 | Up | 12:53:49 - 13:10:11 | -1483 |
| Klamath Falls | 13:02:12 | -22.6 | Dark | Down | 64.3 | 270.9 | Up | 12:54:01 - 13:10:23 | -1487 |
| Gimple | 13:02:01 | -22.0 | Dark | Down | 63.5 | 275.6 | Up | 12:53:50 - 13:10:12 | -1500 |
| Fall River/Burney | 13:02:07 | -22.4 | Dark | Down | 64.0 | 273.5 | Up | 12:53:56 - 13:10:18 | -1504 |
| Greenville | 13:02:03 | -22.1 | Dark | Down | 63.6 | 275.6 | Up | 12:53:52 - 13:10:14 | -1506 |
| Quincy | 13:02:02 | -22.1 | Dark | Down | 63.6 | 276.0 | Up | 12:53:51 - 13:10:13 | -1513 |
| Wildwood | 13:01:33 | -20.4 | Dark | Up | 60.6 | 287.5 | Up | 12:53:22 - 13:09:44 | -1565 |
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 523624, (2023/02/17 13:03UT) Object RA Dec mag sep mel Arcturus 14:15:38.0 +19:10:14 0.0 29.26 89 Phad 11:53:50.1 +53:41:41 2.4 17.31 125 6 CVn 12:25:50.8 +39:01:06 5.0 1.76 118 PPM 076563 12:33:29.7 +38:04:08 7.5 0.60 116 PPM 076508 12:28:57.5 +37:35:41 9.7 0.48 117 PPM 076543 12:31:45.0 +37:45:48 11.0 0.15 117 523624 12:31:21.7 +37:38:05 16.5 117 Positions are for J2000
Event circumstances last updated at 2022/02/12 01:07:51 UT
Marc W. Buie, Southwest Research Institute