Event between (612239) 01QC298 and star GA1060:18621822 with event index number of 2811524
Geocentric closest approach at 2022/11/04 09:26:44 UTC
J2000 position of star is 23:46:27.5 +16:48:39
Equinox of date position of star is 23:47:37.0 +16:56:14
Stellar brightness G=11.9,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 24 degrees from the moon.
Moon is 82% illuminated.
TNO apparent brightness V=22.9
[RECON map]
TNO is 41.2 AU from the Sun
and 40.4 AU from the Earth.
The TNO is moving 19.3
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 157 seconds.
The 1-sigma cross-track error in the shadow position is
3010 km.
The sky-plane scale is
29322.8 km/arcsec.
The TNO has an absolute magnitude Hv=6.7
Diameter=279.3 km assuming a 5% albedo -- 14.5 sec chord
Diameter=114.0 km assuming a 30% albedo -- 5.9 sec chord
Dynamical classification is SCATEXTD
Star training set for 612239, (2022/11/04 09:26UT) Object RA Dec mag sep mel Deneb 20:42:12.7 +45:21:46 1.3 47.84 65 Algenib 00:14:24.9 +15:18:37 2.8 6.64 24 PPM 142773 23:43:53.6 +16:27:45 6.3 1.01 23 PPM 142857 23:48:41.8 +17:03:52 7.9 0.29 24 PPM 142836 23:47:36.7 +16:50:47 9.9 0.09 24 612239 23:47:37.2 +16:56:16 11.9 24 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 30.5 km
RECON observability=0.9 and success probability=3.3%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 09:21:43 | -42.3 | Dark | Down | 18.4 | 274.0 | Really Low | 09:08:07 - 09:35:18 | 9188 |
| Kamloops | 09:22:02 | -49.7 | Dark | Up | 27.3 | 263.3 | Low | 09:08:27 - 09:35:38 | 8959 |
| Kelowna | 09:22:00 | -50.0 | Dark | Up | 26.9 | 264.4 | Low | 09:08:24 - 09:35:35 | 8871 |
| Peachland | 09:22:01 | -50.2 | Dark | Up | 27.1 | 264.2 | Low | 09:08:26 - 09:35:37 | 8859 |
| Summerland | 09:22:00 | -50.3 | Dark | Up | 27.0 | 264.4 | Low | 09:08:25 - 09:35:36 | 8842 |
| Penticton | 09:22:00 | -50.3 | Dark | Up | 27.0 | 264.5 | Low | 09:08:24 - 09:35:35 | 8835 |
| Oliver | 09:21:59 | -50.5 | Dark | Up | 27.0 | 264.6 | Low | 09:08:23 - 09:35:34 | 8797 |
| Anarchist Mountain Observatory | 09:21:59 | -50.6 | Dark | Up | 26.9 | 264.9 | Low | 09:08:23 - 09:35:34 | 8778 |
| Tonasket | 09:21:59 | -50.9 | Dark | Up | 27.0 | 265.0 | Low | 09:08:23 - 09:35:34 | 8745 |
| Victoria | 09:22:06 | -52.6 | Dark | Up | 29.6 | 262.0 | Low | 09:08:31 - 09:35:42 | 8728 |
| Okanogan | 09:21:58 | -51.2 | Dark | Up | 27.1 | 265.0 | Low | 09:08:22 - 09:35:33 | 8708 |
| Brewster | 09:21:59 | -51.5 | Dark | Up | 27.2 | 265.0 | Low | 09:08:24 - 09:35:35 | 8678 |
| Manson/Chelan | 09:21:59 | -51.8 | Dark | Up | 27.5 | 264.8 | Low | 09:08:24 - 09:35:35 | 8655 |
| Wenatchee | 09:21:59 | -52.2 | Dark | Up | 27.7 | 265.0 | Low | 09:08:23 - 09:35:34 | 8603 |
| Ellensburg | 09:22:00 | -52.6 | Dark | Up | 27.9 | 265.0 | Low | 09:08:24 - 09:35:35 | 8558 |
| Yakima | 09:21:58 | -53.0 | Dark | Up | 27.9 | 265.2 | Low | 09:08:22 - 09:35:33 | 8513 |
| Toppenish/White Swan | 09:21:59 | -53.0 | Dark | Up | 27.8 | 265.5 | Low | 09:08:23 - 09:35:34 | 8489 |
| PNWRO | 09:21:55 | -52.6 | Dark | Up | 26.8 | 266.8 | Low | 09:08:20 - 09:35:31 | 8450 |
| Goldendale | 09:21:58 | -53.7 | Dark | Up | 28.1 | 265.4 | Low | 09:08:22 - 09:35:33 | 8428 |
| The Dalles | 09:21:59 | -54.0 | Dark | Up | 28.4 | 265.3 | Low | 09:08:24 - 09:35:35 | 8404 |
| Maupin | 09:21:58 | -54.3 | Dark | Up | 28.4 | 265.6 | Low | 09:08:23 - 09:35:34 | 8358 |
| Sisters | 09:21:59 | -55.1 | Dark | Up | 28.8 | 265.7 | Low | 09:08:24 - 09:35:35 | 8261 |
| Bend | 09:21:59 | -55.2 | Dark | Up | 28.6 | 266.0 | Low | 09:08:24 - 09:35:35 | 8235 |
| Oregon Observatory | 09:21:59 | -55.4 | Dark | Up | 28.7 | 266.0 | Low | 09:08:24 - 09:35:35 | 8216 |
| North Lake | 09:21:57 | -55.6 | Dark | Up | 28.4 | 266.7 | Low | 09:08:22 - 09:35:33 | 8144 |
| Chiloquin | 09:21:59 | -56.6 | Dark | Up | 29.1 | 266.4 | Low | 09:08:23 - 09:35:34 | 8070 |
| Klamath Falls | 09:21:59 | -56.8 | Dark | Up | 29.1 | 266.7 | Low | 09:08:23 - 09:35:34 | 8032 |
| Lakeview | 09:21:56 | -56.1 | Dark | Up | 28.0 | 267.7 | Low | 09:08:20 - 09:35:31 | 8027 |
| Cedarville | 09:21:54 | -56.4 | Dark | Up | 27.9 | 268.2 | Low | 09:08:19 - 09:35:30 | 7955 |
| Dunrhomin | 09:21:29 | -47.8 | Dark | Down | 16.6 | 278.2 | Really Low | 09:07:54 - 09:35:05 | 7917 |
| Fall River/Burney | 09:21:55 | -57.4 | Dark | Up | 28.9 | 267.6 | Low | 09:08:19 - 09:35:30 | 7901 |
| CU-SBO | 09:21:28 | -48.0 | Dark | Down | 16.7 | 278.2 | Really Low | 09:07:53 - 09:35:04 | 7888 |
| Susanville | 09:21:56 | -57.5 | Dark | Up | 28.3 | 268.4 | Low | 09:08:20 - 09:35:31 | 7831 |
| Greenville | 09:21:56 | -57.8 | Dark | Up | 28.6 | 268.4 | Low | 09:08:21 - 09:35:32 | 7800 |
| Gimple | 09:21:56 | -57.8 | Dark | Up | 28.5 | 268.4 | Low | 09:08:21 - 09:35:32 | 7800 |
| Quincy | 09:21:56 | -58.0 | Dark | Up | 28.6 | 268.5 | Low | 09:08:21 - 09:35:32 | 7778 |
| Portola | 09:21:56 | -57.8 | Dark | Up | 28.2 | 268.9 | Low | 09:08:21 - 09:35:32 | 7764 |
| Reno | 09:21:53 | -57.6 | Dark | Up | 27.7 | 269.4 | Low | 09:08:18 - 09:35:29 | 7734 |
| Carson City | 09:21:54 | -57.8 | Dark | Up | 27.7 | 269.6 | Low | 09:08:19 - 09:35:30 | 7695 |
| Yerington | 09:21:51 | -57.6 | Dark | Up | 27.2 | 270.1 | Low | 09:08:15 - 09:35:26 | 7674 |
| Gardnerville | 09:21:54 | -57.9 | Dark | Up | 27.7 | 269.8 | Low | 09:08:19 - 09:35:30 | 7668 |
| Hawthorne | 09:21:51 | -57.5 | Dark | Up | 26.8 | 270.7 | Low | 09:08:15 - 09:35:26 | 7623 |
| Tonopah | 09:21:47 | -56.9 | Dark | Up | 25.7 | 271.8 | Low | 09:08:12 - 09:35:23 | 7574 |
| Lee Vining | 09:21:53 | -58.2 | Dark | Up | 27.2 | 270.7 | Low | 09:08:17 - 09:35:28 | 7559 |
| Bishop | 09:21:50 | -58.1 | Dark | Up | 26.6 | 271.4 | Low | 09:08:14 - 09:35:25 | 7494 |
| Beatty | 09:21:48 | -57.3 | Dark | Up | 25.3 | 272.6 | Low | 09:08:13 - 09:35:24 | 7447 |
| Indian Springs | 09:21:45 | -56.8 | Dark | Up | 24.4 | 273.4 | Low | 09:08:09 - 09:35:20 | 7415 |
| Henderson | 09:21:43 | -56.6 | Dark | Up | 23.8 | 274.0 | Low | 09:08:07 - 09:35:18 | 7359 |
| Patrick | 09:21:42 | -56.1 | Dark | Up | 22.9 | 274.9 | Low | 09:08:06 - 09:35:17 | 7296 |
| Kingman/Dolan Springs | 09:21:42 | -56.3 | Dark | Up | 23.0 | 274.9 | Low | 09:08:06 - 09:35:17 | 7270 |
| Laughlin/Bullhead City | 09:21:42 | -56.7 | Dark | Up | 23.4 | 274.6 | Low | 09:08:06 - 09:35:17 | 7265 |
| Mohave Valley | 09:21:40 | -56.8 | Dark | Up | 23.4 | 274.7 | Low | 09:08:05 - 09:35:16 | 7235 |
| Lake Havasu City | 09:21:43 | -56.8 | Dark | Up | 23.1 | 275.0 | Low | 09:08:07 - 09:35:18 | 7192 |
| Parker | 09:21:42 | -57.0 | Dark | Up | 23.1 | 275.2 | Low | 09:08:06 - 09:35:17 | 7153 |
| Wildwood | 09:21:51 | -60.1 | Dark | Up | 26.6 | 272.9 | Low | 09:08:15 - 09:35:26 | 7131 |
| George/Scottsdale | 09:21:38 | -55.3 | Dark | Up | 21.0 | 276.6 | Low | 09:08:03 - 09:35:14 | 7123 |
| Idyllwild | 09:21:47 | -58.9 | Dark | Up | 25.0 | 274.1 | Low | 09:08:12 - 09:35:23 | 7096 |
| Calipatria | 09:21:46 | -58.3 | Dark | Up | 24.0 | 275.0 | Low | 09:08:10 - 09:35:21 | 7034 |
| Yuma | 09:21:43 | -57.9 | Dark | Up | 23.2 | 275.6 | Low | 09:08:07 - 09:35:18 | 6991 |
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 612239, (2022/11/04 09:26UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 47.84 65 Algenib 00:13:14.2 +15:11:01 2.8 6.64 24 PPM 142773 23:42:44.0 +16:20:09 6.3 1.01 23 PPM 142857 23:47:32.1 +16:56:15 7.9 0.29 24 PPM 142836 23:46:27.0 +16:43:09 9.9 0.09 24 612239 23:46:27.5 +16:48:39 11.9 24 Positions are for J2000
Event circumstances last updated at 2022/10/03 04:12:09 UT
Marc W. Buie, Southwest Research Institute