Event between (523776) 14YB50 and star GA1200:03234758 with event index number of 2354034
Geocentric closest approach at 2023/01/02 04:56:16 UTC
J2000 position of star is 08:54:31.9 +30:12:08
Equinox of date position of star is 08:55:55.4 +30:06:49
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 79 degrees from the moon.
Moon is 80% illuminated.
Apparent brightness V=21.8
[RECON map]
Object is 37.7 AU from the Sun
and 36.8 AU from the Earth.
Apparent velocity is 23.1
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 73 seconds.
The 1-sigma cross-track error in the shadow position is
1585 km.
The sky-plane scale is
26715.6 km/arcsec.
The object has an absolute magnitude Hv=6.0
Diameter=369.8 km assuming a 5% albedo -- 16.1 sec chord
Diameter=151.0 km assuming a 30% albedo -- 6.6 sec chord
Dynamical classification is SCATEXTD
Star training set for 523776, (2023/01/02 04:56UT) Object RA Dec mag sep mel Pollux 07:46:43.3 +27:58:08 1.1 15.26 65 46 Cnc 08:46:45.8 +30:36:46 6.1 2.04 77 PPM 099122 08:54:23.6 +29:52:23 8.4 0.41 79 PPM 074077 08:55:32.9 +30:17:57 10.6 0.20 79 523776 08:55:55.5 +30:06:49 16.2 79 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 27.0 km
RECON observability=1.0 and success probability=0.4%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Kamloops | 05:00:04 | -44.8 | Dark | Up | 30.6 | 78.4 | Up | 04:53:28 - 05:06:40 | -5839 |
Sleaford | 04:59:40 | -52.0 | Dark | Up | 39.6 | 90.0 | Up | 04:53:04 - 05:06:16 | -5941 |
Kelowna | 05:00:05 | -45.6 | Dark | Up | 31.0 | 78.6 | Up | 04:53:29 - 05:06:41 | -5943 |
Peachland | 05:00:05 | -45.5 | Dark | Up | 30.8 | 78.3 | Up | 04:53:29 - 05:06:41 | -5947 |
Summerland | 05:00:05 | -45.6 | Dark | Up | 30.8 | 78.3 | Up | 04:53:29 - 05:06:41 | -5965 |
Penticton | 05:00:05 | -45.7 | Dark | Up | 30.9 | 78.3 | Up | 04:53:29 - 05:06:41 | -5974 |
Victoria | 05:00:12 | -43.6 | Dark | Up | 28.2 | 75.2 | Low | 04:53:36 - 05:06:48 | -5984 |
Oliver | 05:00:06 | -45.8 | Dark | Up | 30.8 | 78.1 | Up | 04:53:30 - 05:06:42 | -6010 |
Anarchist Mountain Observatory | 05:00:06 | -46.0 | Dark | Up | 30.9 | 78.1 | Up | 04:53:30 - 05:06:42 | -6033 |
Okanogan | 05:00:07 | -46.1 | Dark | Up | 30.6 | 77.6 | Up | 04:53:31 - 05:06:43 | -6094 |
Brewster | 05:00:07 | -46.0 | Dark | Up | 30.4 | 77.3 | Up | 04:53:31 - 05:06:43 | -6118 |
Manson/Chelan | 05:00:09 | -45.9 | Dark | Up | 30.1 | 77.0 | Up | 04:53:33 - 05:06:45 | -6131 |
Wenatchee | 05:00:10 | -45.9 | Dark | Up | 29.9 | 76.6 | Low | 04:53:34 - 05:06:46 | -6176 |
Ellensburg | 05:00:10 | -45.9 | Dark | Up | 29.7 | 76.2 | Low | 04:53:34 - 05:06:46 | -6213 |
Yakima | 05:00:11 | -46.0 | Dark | Up | 29.6 | 76.0 | Low | 04:53:35 - 05:06:47 | -6255 |
Toppenish/White Swan | 05:00:11 | -46.2 | Dark | Up | 29.6 | 76.0 | Low | 04:53:35 - 05:06:47 | -6281 |
The Dalles | 05:00:12 | -45.8 | Dark | Up | 28.9 | 75.1 | Low | 04:53:36 - 05:06:48 | -6342 |
PNWRO | 05:00:09 | -47.3 | Dark | Up | 30.5 | 76.7 | Up | 04:53:33 - 05:06:45 | -6356 |
Maupin | 05:00:14 | -46.0 | Dark | Up | 28.9 | 74.9 | Low | 04:53:38 - 05:06:50 | -6388 |
Sisters | 05:00:16 | -45.9 | Dark | Up | 28.3 | 74.2 | Low | 04:53:40 - 05:06:52 | -6467 |
Bend | 05:00:15 | -46.1 | Dark | Up | 28.4 | 74.2 | Low | 04:53:39 - 05:06:51 | -6498 |
Oregon Observatory | 05:00:15 | -46.1 | Dark | Up | 28.3 | 74.0 | Low | 04:53:39 - 05:06:51 | -6513 |
Chiloquin | 05:00:18 | -46.0 | Dark | Up | 27.6 | 73.1 | Low | 04:53:42 - 05:06:54 | -6639 |
Klamath Falls | 05:00:18 | -46.2 | Dark | Up | 27.6 | 73.0 | Low | 04:53:42 - 05:06:54 | -6677 |
Cedarville | 05:00:17 | -47.5 | Dark | Up | 28.5 | 73.5 | Low | 04:53:41 - 05:06:53 | -6793 |
Fall River/Burney | 05:00:18 | -46.7 | Dark | Up | 27.5 | 72.6 | Low | 04:53:42 - 05:06:54 | -6810 |
Greenville | 05:00:19 | -47.1 | Dark | Up | 27.6 | 72.4 | Low | 04:53:43 - 05:06:55 | -6917 |
Gimple | 05:00:18 | -47.2 | Dark | Up | 27.6 | 72.4 | Low | 04:53:42 - 05:06:54 | -6920 |
Quincy | 05:00:19 | -47.2 | Dark | Up | 27.5 | 72.3 | Low | 04:53:43 - 05:06:55 | -6939 |
Portola | 05:00:18 | -47.6 | Dark | Up | 27.8 | 72.5 | Low | 04:53:42 - 05:06:54 | -6965 |
Reno | 05:00:17 | -48.1 | Dark | Up | 28.2 | 72.7 | Low | 04:53:41 - 05:06:53 | -7011 |
Carson City | 05:00:18 | -48.2 | Dark | Up | 28.1 | 72.5 | Low | 04:53:42 - 05:06:54 | -7050 |
Gardnerville | 05:00:18 | -48.2 | Dark | Up | 28.1 | 72.4 | Low | 04:53:42 - 05:06:54 | -7077 |
Yerington | 05:00:17 | -48.7 | Dark | Up | 28.5 | 72.7 | Low | 04:53:41 - 05:06:53 | -7087 |
Hawthorne | 05:00:16 | -49.2 | Dark | Up | 28.8 | 72.8 | Low | 04:53:40 - 05:06:52 | -7151 |
Lee Vining | 05:00:18 | -48.9 | Dark | Up | 28.2 | 72.2 | Low | 04:53:42 - 05:06:54 | -7197 |
Dunrhomin | 04:59:50 | -58.6 | Dark | Up | 39.2 | 80.8 | Up | 04:53:14 - 05:06:26 | -7238 |
Nikitin | 04:59:49 | -58.6 | Dark | Up | 39.2 | 80.6 | Up | 04:53:13 - 05:06:25 | -7258 |
CU-SBO | 04:59:49 | -58.6 | Dark | Up | 39.1 | 80.5 | Up | 04:53:13 - 05:06:25 | -7264 |
Bishop | 05:00:17 | -49.5 | Dark | Up | 28.6 | 72.3 | Low | 04:53:41 - 05:06:53 | -7280 |
Beatty | 05:00:14 | -50.9 | Dark | Up | 29.7 | 72.8 | Low | 04:53:38 - 05:06:50 | -7372 |
Patrick | 05:00:10 | -53.4 | Dark | Up | 31.5 | 73.2 | Up | 04:53:34 - 05:06:46 | -7601 |
Laughlin/Bullhead City | 05:00:11 | -52.9 | Dark | Up | 30.9 | 72.8 | Up | 04:53:35 - 05:06:47 | -7611 |
Wildwood | 05:00:19 | -49.7 | Dark | Up | 27.4 | 70.5 | Low | 04:53:43 - 05:06:55 | -7620 |
Lake Havasu City | 05:00:11 | -53.2 | Dark | Up | 30.9 | 72.5 | Up | 04:53:35 - 05:06:47 | -7689 |
Idyllwild | 05:00:16 | -51.3 | Dark | Up | 28.8 | 71.1 | Low | 04:53:40 - 05:06:52 | -7709 |
Calipatria | 05:00:13 | -52.3 | Dark | Up | 29.5 | 71.3 | Low | 04:53:37 - 05:06:49 | -7805 |
George/Scottsdale | 05:00:06 | -55.3 | Dark | Up | 32.6 | 73.1 | Up | 04:53:30 - 05:06:42 | -7829 |
Yuma | 05:00:12 | -53.1 | Dark | Up | 30.1 | 71.4 | Up | 04:53:36 - 05:06:48 | -7873 |
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 523776, (2023/01/02 04:56UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 15.26 65 46 Cnc 08:45:21.4 +30:41:52 6.1 2.04 77 PPM 099122 08:53:00.0 +29:57:40 8.4 0.41 79 PPM 074077 08:54:09.2 +30:23:16 10.6 0.20 79 523776 08:54:31.9 +30:12:08 16.2 79 Positions are for J2000
Event circumstances last updated at 2022/12/24 03:38:56 UT
Marc W. Buie, Southwest Research Institute