Event between (523746) 14UT114 and star GA1240:02701015 with event index number of 2322869
Geocentric closest approach at 2023/01/02 13:30:22 UTC
J2000 position of star is 06:25:48.4 +34:39:07
Equinox of date position of star is 06:27:19.2 +34:38:14
Stellar brightness G=13.2,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 43 degrees from the moon.
Moon is 83% illuminated.
TNO apparent brightness V=20.9
[RECON map]
TNO is 16.1 AU from the Sun
and 15.1 AU from the Earth.
The TNO is moving 21.4
km/sec on the sky relative to the star, or,
7.0 arcsec/hr.
The 1-sigma error in the time of the event is 232 seconds.
The 1-sigma cross-track error in the shadow position is
1305 km.
The sky-plane scale is
10969.8 km/arcsec.
The TNO has an absolute magnitude Hv=8.9
Diameter=95.5 km assuming a 5% albedo -- 4.6 sec chord
Diameter=39.0 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
Star training set for 523746, (2023/01/02 13:30UT) Object RA Dec mag sep mel Pollux 07:46:43.3 +27:58:08 1.1 18.18 60 34Bet Aur 06:01:13.0 +44:56:50 1.9 11.46 41 PPM 071742 06:33:57.2 +32:26:12 6.0 2.60 44 PPM 071580 06:26:14.6 +35:07:51 8.3 0.54 43 PPM 071578 06:26:08.5 +34:22:44 8.9 0.36 43 PPM 071625 06:28:35.6 +34:26:23 11.3 0.33 43 523746 06:27:20.2 +34:38:13 13.2 43 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
3.9 sigma about the mid-time.
The median site spacing is 18.4 km
RECON observability=0.7 and success probability=1.2%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 13:27:08 | -15.0 | AT | Down | 20.4 | 300.6 | Low | 13:12:08 - 13:42:08 | 5637 |
| Kamloops | 13:27:01 | -23.5 | Dark | Down | 27.9 | 291.6 | Low | 13:12:01 - 13:42:01 | 4980 |
| Dunrhomin | 13:26:26 | -10.6 | NT | Down | 13.8 | 304.0 | Really Low | 13:11:26 - 13:41:26 | 4964 |
| Kelowna | 13:26:57 | -22.8 | Dark | Down | 27.1 | 292.6 | Low | 13:11:57 - 13:41:57 | 4962 |
| CU-SBO | 13:26:25 | -10.6 | NT | Down | 13.7 | 304.0 | Really Low | 13:11:25 - 13:41:25 | 4943 |
| Peachland | 13:26:57 | -23.0 | Dark | Down | 27.2 | 292.4 | Low | 13:11:57 - 13:41:57 | 4942 |
| Penticton | 13:26:56 | -22.8 | Dark | Down | 27.0 | 292.7 | Low | 13:11:56 - 13:41:56 | 4936 |
| Summerland | 13:26:56 | -22.9 | Dark | Down | 27.1 | 292.6 | Low | 13:11:56 - 13:41:56 | 4936 |
| Oliver | 13:26:55 | -22.8 | Dark | Down | 26.9 | 292.8 | Low | 13:11:55 - 13:41:55 | 4912 |
| Anarchist Mountain Observatory | 13:26:54 | -22.6 | Dark | Down | 26.7 | 293.0 | Low | 13:11:54 - 13:41:54 | 4909 |
| Tonasket | 13:26:53 | -22.6 | Dark | Down | 26.6 | 293.1 | Low | 13:11:53 - 13:41:53 | 4885 |
| Okanogan | 13:26:52 | -22.6 | Dark | Down | 26.6 | 293.2 | Low | 13:11:52 - 13:41:52 | 4855 |
| Brewster | 13:26:51 | -22.7 | Dark | Down | 26.6 | 293.2 | Low | 13:11:51 - 13:41:51 | 4828 |
| Manson/Chelan | 13:26:50 | -22.9 | Dark | Down | 26.8 | 293.1 | Low | 13:11:50 - 13:41:50 | 4798 |
| Wenatchee | 13:26:48 | -23.0 | Dark | Down | 26.7 | 293.2 | Low | 13:11:48 - 13:41:48 | 4758 |
| PNWRO | 13:26:43 | -21.8 | Dark | Down | 25.2 | 294.6 | Low | 13:11:43 - 13:41:43 | 4721 |
| Ellensburg | 13:26:47 | -23.1 | Dark | Down | 26.7 | 293.2 | Low | 13:11:47 - 13:41:47 | 4719 |
| Victoria | 13:26:54 | -25.2 | Dark | Down | 29.0 | 290.8 | Low | 13:11:54 - 13:41:54 | 4708 |
| Yakima | 13:26:46 | -23.0 | Dark | Down | 26.5 | 293.4 | Low | 13:11:46 - 13:41:46 | 4690 |
| Toppenish/White Swan | 13:26:45 | -22.9 | Dark | Down | 26.3 | 293.6 | Low | 13:11:45 - 13:41:45 | 4682 |
| Goldendale | 13:26:43 | -23.1 | Dark | Down | 26.4 | 293.6 | Low | 13:11:43 - 13:41:43 | 4623 |
| The Dalles | 13:26:42 | -23.3 | Dark | Down | 26.5 | 293.5 | Low | 13:11:42 - 13:41:42 | 4591 |
| Maupin | 13:26:41 | -23.2 | Dark | Down | 26.3 | 293.7 | Low | 13:11:41 - 13:41:41 | 4565 |
| Sisters | 13:26:38 | -23.4 | Dark | Down | 26.3 | 293.8 | Low | 13:11:38 - 13:41:38 | 4479 |
| Bend | 13:26:37 | -23.1 | Dark | Down | 26.0 | 294.1 | Low | 13:11:37 - 13:41:37 | 4473 |
| Oregon Observatory | 13:26:37 | -23.2 | Dark | Down | 26.0 | 294.1 | Low | 13:11:37 - 13:41:37 | 4454 |
| North Lake | 13:26:34 | -22.7 | Dark | Down | 25.4 | 294.7 | Low | 13:11:34 - 13:41:34 | 4431 |
| Lakeview | 13:26:30 | -22.1 | Dark | Down | 24.6 | 295.4 | Low | 13:11:30 - 13:41:30 | 4377 |
| Chiloquin | 13:26:33 | -23.3 | Dark | Down | 25.8 | 294.4 | Low | 13:11:33 - 13:41:33 | 4336 |
| Cedarville | 13:26:29 | -21.9 | Dark | Down | 24.2 | 295.8 | Low | 13:11:29 - 13:41:29 | 4335 |
| Klamath Falls | 13:26:31 | -23.2 | Dark | Down | 25.6 | 294.6 | Low | 13:11:31 - 13:41:31 | 4313 |
| Fall River/Burney | 13:26:27 | -22.7 | Dark | Down | 24.8 | 295.3 | Low | 13:11:27 - 13:41:27 | 4240 |
| Susanville | 13:26:25 | -22.0 | Dark | Down | 24.1 | 296.0 | Low | 13:11:25 - 13:41:25 | 4227 |
| Tonopah | 13:26:17 | -18.9 | Dark | Down | 20.6 | 298.5 | Low | 13:11:17 - 13:41:17 | 4213 |
| Reno | 13:26:22 | -21.2 | Dark | Down | 23.1 | 296.7 | Low | 13:11:22 - 13:41:22 | 4200 |
| Gimple | 13:26:24 | -22.1 | Dark | Down | 24.1 | 296.0 | Low | 13:11:24 - 13:41:24 | 4195 |
| Greenville | 13:26:24 | -22.2 | Dark | Down | 24.1 | 295.9 | Low | 13:11:24 - 13:41:24 | 4191 |
| Portola | 13:26:23 | -21.7 | Dark | Down | 23.7 | 296.3 | Low | 13:11:23 - 13:41:23 | 4189 |
| Yerington | 13:26:20 | -20.6 | Dark | Down | 22.4 | 297.2 | Low | 13:11:20 - 13:41:20 | 4189 |
| Patrick | 13:26:09 | -15.6 | AT | Down | 17.0 | 300.8 | Really Low | 13:11:09 - 13:41:09 | 4179 |
| Hawthorne | 13:26:18 | -20.1 | Dark | Down | 21.8 | 297.6 | Low | 13:11:18 - 13:41:18 | 4179 |
| Quincy | 13:26:24 | -22.1 | Dark | Down | 24.1 | 296.0 | Low | 13:11:24 - 13:41:24 | 4176 |
| Indian Springs | 13:26:12 | -17.3 | AT | Down | 18.9 | 299.7 | Really Low | 13:11:12 - 13:41:12 | 4175 |
| Carson City | 13:26:21 | -21.1 | Dark | Down | 22.9 | 296.8 | Low | 13:11:21 - 13:41:21 | 4173 |
| Henderson | 13:26:10 | -16.6 | AT | Down | 18.1 | 300.1 | Really Low | 13:11:10 - 13:41:10 | 4169 |
| Gardnerville | 13:26:20 | -21.0 | Dark | Down | 22.8 | 297.0 | Low | 13:11:20 - 13:41:20 | 4156 |
| George/Scottsdale | 13:26:05 | -13.5 | AT | Down | 14.7 | 302.1 | Really Low | 13:11:05 - 13:41:05 | 4153 |
| Kingman/Dolan Springs | 13:26:08 | -15.7 | AT | Down | 17.0 | 300.8 | Really Low | 13:11:08 - 13:41:08 | 4152 |
| Beatty | 13:26:13 | -18.2 | Dark | Down | 19.8 | 299.1 | Really Low | 13:11:13 - 13:41:13 | 4146 |
| Laughlin/Bullhead City | 13:26:08 | -16.1 | AT | Down | 17.4 | 300.5 | Really Low | 13:11:08 - 13:41:08 | 4123 |
| Lee Vining | 13:26:17 | -20.3 | Dark | Down | 21.9 | 297.6 | Low | 13:11:17 - 13:41:17 | 4111 |
| Mohave Valley | 13:26:07 | -16.0 | AT | Down | 17.3 | 300.6 | Really Low | 13:11:07 - 13:41:07 | 4102 |
| Bishop | 13:26:15 | -19.6 | Dark | Down | 21.1 | 298.2 | Low | 13:11:15 - 13:41:15 | 4100 |
| Lake Havasu City | 13:26:06 | -15.7 | AT | Down | 16.9 | 300.8 | Really Low | 13:11:06 - 13:41:06 | 4084 |
| Parker | 13:26:05 | -15.6 | AT | Down | 16.7 | 300.9 | Really Low | 13:11:05 - 13:41:05 | 4058 |
| Yuma | 13:26:02 | -15.4 | AT | Down | 16.2 | 301.1 | Really Low | 13:11:02 - 13:41:02 | 3925 |
| Calipatria | 13:26:03 | -16.2 | AT | Down | 17.0 | 300.7 | Really Low | 13:11:03 - 13:41:03 | 3912 |
| Idyllwild | 13:26:04 | -17.4 | AT | Down | 18.2 | 300.0 | Really Low | 13:11:04 - 13:41:04 | 3899 |
| Wildwood | 13:26:06 | -19.0 | Dark | Down | 19.7 | 299.1 | Really Low | 13:11:06 - 13:41:06 | 3828 |
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 523746, (2023/01/02 13:30UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 18.18 60 34Bet Aur 05:59:31.6 +44:56:51 1.9 11.46 41 PPM 071742 06:32:27.1 +32:27:18 6.0 2.60 44 PPM 071580 06:24:42.3 +35:08:42 8.3 0.54 43 PPM 071578 06:24:36.9 +34:23:35 8.9 0.36 43 PPM 071625 06:27:03.9 +34:27:19 11.3 0.33 43 523746 06:25:48.4 +34:39:07 13.2 43 Positions are for J2000
Event circumstances last updated at 2022/10/02 04:12:30 UT
Marc W. Buie, Southwest Research Institute