Event between 05PS21 and star GA0880:19266268 with event index number of 2569355
Geocentric closest approach at 2023/10/23 07:07:57 UTC
J2000 position of star is 23:51:56.3 -00:22:32
Equinox of date position of star is 23:53:06.6 -00:14:54
Stellar brightness G=14.4,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 44 degrees from the moon.
Moon is 63% illuminated.
TNO apparent brightness V=23.2
[RECON map]
TNO is 43.7 AU from the Sun
and 42.8 AU from the Earth.
The TNO is moving 20.8
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 151 seconds.
The 1-sigma cross-track error in the shadow position is
2568 km.
The sky-plane scale is
31071.9 km/arcsec.
The TNO has an absolute magnitude Hv=6.8
Diameter=281.8 km assuming a 5% albedo -- 13.0 sec chord
Diameter=115.1 km assuming a 30% albedo -- 5.3 sec chord
Dynamical classification is CLASSICAL
Star training set for 05PS21, (2023/10/23 06:54UT) Object RA Dec mag sep mel Fomalhaut 22:58:57.6 -29:29:44 1.2 31.98 25 Algenib 00:14:27.9 +15:18:57 2.8 16.42 57 PPM 174549 23:55:59.8 +00:14:30 5.6 0.86 45 PPM 181698 23:48:55.2 -00:37:48 7.9 1.13 43 PPM 181712 23:55:48.2 -00:27:11 9.6 0.69 44 PPM 181707 23:54:12.8 -00:10:10 10.7 0.27 44 05PS21 23:53:09.5 -00:14:35 14.4 44 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 27.6 km
RECON observability=1.0 and success probability=0.7%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 07:05:23 | -49.8 | Dark | Up | 36.3 | 204.4 | Up | 06:52:18 - 07:18:28 | 10284 |
| Victoria | 07:05:35 | -51.2 | Dark | Up | 39.1 | 201.4 | Up | 06:52:30 - 07:18:40 | 10206 |
| Kelowna | 07:05:20 | -50.7 | Dark | Up | 36.8 | 205.7 | Up | 06:52:15 - 07:18:25 | 10197 |
| Peachland | 07:05:23 | -50.8 | Dark | Up | 37.0 | 205.4 | Up | 06:52:18 - 07:18:28 | 10197 |
| Summerland | 07:05:21 | -50.9 | Dark | Up | 37.1 | 205.6 | Up | 06:52:16 - 07:18:26 | 10183 |
| Penticton | 07:05:22 | -51.0 | Dark | Up | 37.1 | 205.7 | Up | 06:52:17 - 07:18:27 | 10174 |
| Oliver | 07:05:22 | -51.4 | Dark | Up | 37.5 | 205.8 | Up | 06:52:17 - 07:18:27 | 10147 |
| Anarchist Mountain Observatory | 07:05:22 | -51.6 | Dark | Up | 37.6 | 206.1 | Up | 06:52:17 - 07:18:27 | 10128 |
| Okanogan | 07:05:21 | -52.2 | Dark | Up | 38.2 | 206.1 | Up | 06:52:16 - 07:18:26 | 10084 |
| Brewster | 07:05:24 | -52.4 | Dark | Up | 38.5 | 206.0 | Up | 06:52:19 - 07:18:29 | 10068 |
| Manson/Chelan | 07:05:23 | -52.5 | Dark | Up | 38.8 | 205.6 | Up | 06:52:18 - 07:18:28 | 10062 |
| Wenatchee | 07:05:25 | -52.9 | Dark | Up | 39.3 | 205.5 | Up | 06:52:20 - 07:18:30 | 10030 |
| Sleaford | 07:04:46 | -49.1 | Dark | Down | 30.4 | 220.1 | Up | 06:51:41 - 07:17:51 | 10027 |
| Ellensburg | 07:05:27 | -53.3 | Dark | Up | 39.7 | 205.4 | Up | 06:52:22 - 07:18:32 | 10003 |
| Yakima | 07:05:26 | -53.7 | Dark | Up | 40.1 | 205.5 | Up | 06:52:21 - 07:18:31 | 9971 |
| Toppenish/White Swan | 07:05:26 | -53.9 | Dark | Up | 40.2 | 205.8 | Up | 06:52:21 - 07:18:31 | 9949 |
| The Dalles | 07:05:30 | -54.5 | Dark | Up | 41.2 | 205.1 | Up | 06:52:25 - 07:18:35 | 9910 |
| PNWRO | 07:05:20 | -54.6 | Dark | Up | 40.1 | 207.8 | Up | 06:52:15 - 07:18:25 | 9875 |
| Maupin | 07:05:28 | -54.9 | Dark | Up | 41.5 | 205.4 | Up | 06:52:23 - 07:18:33 | 9873 |
| Sisters | 07:05:31 | -55.6 | Dark | Up | 42.5 | 205.1 | Up | 06:52:26 - 07:18:36 | 9816 |
| Bend | 07:05:29 | -55.9 | Dark | Up | 42.6 | 205.6 | Up | 06:52:24 - 07:18:34 | 9789 |
| Oregon Observatory | 07:05:30 | -56.1 | Dark | Up | 42.8 | 205.5 | Up | 06:52:25 - 07:18:35 | 9778 |
| Chiloquin | 07:05:32 | -57.2 | Dark | Up | 44.1 | 205.5 | Up | 06:52:27 - 07:18:37 | 9682 |
| Klamath Falls | 07:05:34 | -57.5 | Dark | Up | 44.4 | 205.7 | Up | 06:52:29 - 07:18:39 | 9651 |
| Cedarville | 07:05:27 | -58.6 | Dark | Up | 44.5 | 208.1 | Up | 06:52:22 - 07:18:32 | 9540 |
| Fall River/Burney | 07:05:32 | -58.7 | Dark | Up | 45.3 | 206.7 | Up | 06:52:27 - 07:18:37 | 9538 |
| Greenville | 07:05:31 | -59.7 | Dark | Up | 46.0 | 207.8 | Up | 06:52:26 - 07:18:36 | 9446 |
| Gimple | 07:05:31 | -59.7 | Dark | Up | 45.9 | 207.9 | Up | 06:52:26 - 07:18:36 | 9442 |
| Quincy | 07:05:31 | -59.9 | Dark | Up | 46.2 | 207.9 | Up | 06:52:26 - 07:18:36 | 9428 |
| Portola | 07:05:29 | -60.1 | Dark | Up | 46.1 | 208.6 | Up | 06:52:24 - 07:18:34 | 9401 |
| Reno | 07:05:27 | -60.5 | Dark | Up | 46.1 | 209.6 | Up | 06:52:22 - 07:18:32 | 9356 |
| Carson City | 07:05:27 | -60.9 | Dark | Up | 46.4 | 209.8 | Up | 06:52:22 - 07:18:32 | 9324 |
| Gardnerville | 07:05:27 | -61.1 | Dark | Up | 46.6 | 210.0 | Up | 06:52:22 - 07:18:32 | 9301 |
| Yerington | 07:05:26 | -61.2 | Dark | Up | 46.3 | 210.7 | Up | 06:52:21 - 07:18:31 | 9286 |
| Hawthorne | 07:05:23 | -61.8 | Dark | Up | 46.5 | 211.7 | Up | 06:52:18 - 07:18:28 | 9227 |
| Lee Vining | 07:05:26 | -62.2 | Dark | Up | 47.2 | 211.3 | Up | 06:52:21 - 07:18:31 | 9193 |
| Bishop | 07:05:24 | -63.0 | Dark | Up | 47.4 | 212.6 | Up | 06:52:19 - 07:18:29 | 9115 |
| Beatty | 07:05:18 | -63.8 | Dark | Up | 47.1 | 215.0 | Up | 06:52:13 - 07:18:23 | 9018 |
| Dunrhomin | 07:04:37 | -60.8 | Dark | Down | 38.7 | 226.5 | Up | 06:51:32 - 07:17:42 | 8965 |
| CU-SBO | 07:04:39 | -61.0 | Dark | Down | 38.9 | 226.5 | Up | 06:51:34 - 07:17:44 | 8945 |
| Wildwood | 07:05:27 | -66.0 | Dark | Up | 50.2 | 214.4 | Up | 06:52:22 - 07:18:32 | 8822 |
| Laughlin/Bullhead City | 07:05:12 | -65.8 | Dark | Up | 47.4 | 218.9 | Up | 06:52:07 - 07:18:17 | 8784 |
| Patrick | 07:05:09 | -65.7 | Dark | Up | 46.8 | 219.7 | Up | 06:52:04 - 07:18:14 | 8783 |
| Idyllwild | 07:05:20 | -66.8 | Dark | Up | 49.6 | 217.2 | Up | 06:52:15 - 07:18:25 | 8723 |
| Lake Havasu City | 07:05:11 | -66.5 | Dark | Up | 47.8 | 219.7 | Up | 06:52:06 - 07:18:16 | 8712 |
| Calipatria | 07:05:17 | -67.7 | Dark | Up | 49.5 | 219.2 | Up | 06:52:12 - 07:18:22 | 8624 |
| George/Scottsdale | 07:05:03 | -67.6 | Dark | Up | 47.0 | 223.3 | Up | 06:51:58 - 07:18:08 | 8555 |
| Yuma | 07:05:13 | -68.3 | Dark | Up | 49.3 | 220.7 | Up | 06:52:08 - 07:18:18 | 8552 |
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 05PS21, (2023/10/23 06:54UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 31.98 25 Algenib 00:13:14.2 +15:11:01 2.8 16.42 57 PPM 174549 23:54:46.6 +00:06:33 5.6 0.86 45 PPM 181698 23:47:42.0 -00:45:44 7.9 1.13 43 PPM 181712 23:54:35.0 -00:35:08 9.6 0.69 44 PPM 181707 23:52:59.6 -00:18:07 10.7 0.27 44 05PS21 23:51:56.3 -00:22:32 14.4 44 Positions are for J2000
Event circumstances last updated at 2022/11/13 03:36:07 UT
Marc W. Buie, Southwest Research Institute