Event between (523735) 14QX441 and star GA0860:00127350 with event index number of 1291175
Geocentric closest approach at 2023/10/23 07:40:58 UTC
J2000 position of star is 01:33:40.7 -02:01:20
Equinox of date position of star is 01:34:41.4 -01:55:14
Stellar brightness G=15.1,
use SENSEUP=128
Star is 65 degrees from the moon.
Moon is 63% illuminated.
TNO apparent brightness V=21.2
[RECON map]
TNO is 37.3 AU from the Sun
and 36.3 AU from the Earth.
The TNO is moving 25.2
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 147 seconds.
The 1-sigma cross-track error in the shadow position is
3762 km.
The sky-plane scale is
26321.3 km/arcsec.
The TNO has an absolute magnitude Hv=5.5
Diameter=478.6 km assuming a 5% albedo -- 19.0 sec chord
Diameter=195.4 km assuming a 30% albedo -- 7.8 sec chord
Dynamical classification is SCATEXTD
Star training set for 523735, (2023/10/23 07:41UT) Object RA Dec mag sep mel Fomalhaut 22:58:57.6 -29:29:43 1.2 46.17 24 68Omi Cet 02:20:33.1 -02:52:14 2.0 11.45 76 PPM 183660 01:39:04.5 -03:19:13 6.5 1.76 66 PPM 183605 01:35:59.3 -01:54:46 7.6 0.27 66 PPM 183570 01:34:33.6 -01:56:02 9.8 0.09 65 523735 01:34:53.4 -01:54:02 15.1 66 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 20.4 km
RECON observability=1.0 and success probability=9.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Clarence Fulton | 07:39:57 | -51.1 | Dark | Down | 37.6 | 184.7 | Up | 07:27:13 - 07:52:40 | -2757 |
| Kelowna | 07:39:57 | -51.5 | Dark | Down | 38.0 | 184.5 | Up | 07:27:14 - 07:52:41 | -2780 |
| Summerland | 07:39:58 | -51.7 | Dark | Down | 38.3 | 184.3 | Up | 07:27:14 - 07:52:41 | -2795 |
| Victoria | 07:40:09 | -52.6 | Dark | Up | 39.5 | 179.6 | Up | 07:27:26 - 07:52:53 | -2798 |
| Penticton | 07:39:58 | -51.8 | Dark | Down | 38.4 | 184.4 | Up | 07:27:14 - 07:52:41 | -2801 |
| Oliver | 07:39:58 | -52.2 | Dark | Down | 38.7 | 184.5 | Up | 07:27:14 - 07:52:41 | -2825 |
| Anarchist Mountain Observatory | 07:39:57 | -52.3 | Dark | Down | 38.9 | 184.7 | Up | 07:27:14 - 07:52:41 | -2840 |
| Tonasket | 07:39:58 | -52.6 | Dark | Down | 39.2 | 184.7 | Up | 07:27:14 - 07:52:41 | -2861 |
| Okanogan | 07:39:58 | -53.0 | Dark | Down | 39.5 | 184.5 | Up | 07:27:15 - 07:52:42 | -2882 |
| Brewster | 07:39:59 | -53.2 | Dark | Down | 39.8 | 184.2 | Up | 07:27:16 - 07:52:43 | -2897 |
| Manson/Chelan | 07:40:00 | -53.4 | Dark | Down | 40.0 | 183.8 | Up | 07:27:17 - 07:52:44 | -2904 |
| Entiat | 07:40:01 | -53.7 | Dark | Down | 40.3 | 183.7 | Up | 07:27:17 - 07:52:44 | -2918 |
| Wenatchee | 07:40:01 | -53.9 | Dark | Down | 40.5 | 183.6 | Up | 07:27:17 - 07:52:44 | -2934 |
| Ellensburg | 07:40:02 | -54.3 | Dark | Down | 40.9 | 183.3 | Up | 07:27:18 - 07:52:45 | -2959 |
| Yakima | 07:40:02 | -54.7 | Dark | Down | 41.3 | 183.3 | Up | 07:27:19 - 07:52:46 | -2988 |
| Toppenish/White Swan | 07:40:02 | -54.9 | Dark | Down | 41.5 | 183.6 | Up | 07:27:18 - 07:52:45 | -3007 |
| Goldendale | 07:40:03 | -55.5 | Dark | Up | 42.1 | 183.0 | Up | 07:27:20 - 07:52:47 | -3039 |
| Pasco | 07:39:58 | -55.1 | Dark | Down | 41.6 | 185.2 | Up | 07:27:15 - 07:52:42 | -3042 |
| The Dalles | 07:40:05 | -55.7 | Dark | Up | 42.4 | 182.5 | Up | 07:27:21 - 07:52:48 | -3048 |
| PNWRO | 07:39:58 | -55.3 | Dark | Down | 41.8 | 185.6 | Up | 07:27:14 - 07:52:41 | -3064 |
| Maupin | 07:40:05 | -56.1 | Dark | Up | 42.8 | 182.7 | Up | 07:27:21 - 07:52:48 | -3081 |
| Sisters | 07:40:07 | -57.0 | Dark | Up | 43.7 | 182.1 | Up | 07:27:23 - 07:52:50 | -3136 |
| Redmond | 07:40:06 | -57.0 | Dark | Up | 43.7 | 182.6 | Up | 07:27:22 - 07:52:49 | -3146 |
| Bend | 07:40:06 | -57.2 | Dark | Up | 43.9 | 182.4 | Up | 07:27:23 - 07:52:50 | -3159 |
| Oregon Observatory | 07:40:07 | -57.4 | Dark | Up | 44.1 | 182.3 | Up | 07:27:23 - 07:52:50 | -3169 |
| La Pine/Gilchrist | 07:40:07 | -57.6 | Dark | Up | 44.3 | 182.2 | Up | 07:27:23 - 07:52:50 | -3183 |
| North Lake | 07:40:06 | -58.1 | Dark | Up | 44.7 | 183.1 | Up | 07:27:22 - 07:52:49 | -3229 |
| Paisley | 07:40:05 | -58.6 | Dark | Up | 45.2 | 183.6 | Up | 07:27:21 - 07:52:48 | -3279 |
| Klamath Falls | 07:40:09 | -59.0 | Dark | Up | 45.7 | 181.9 | Up | 07:27:25 - 07:52:52 | -3289 |
| Lakeview | 07:40:04 | -59.1 | Dark | Up | 45.7 | 183.9 | Up | 07:27:21 - 07:52:48 | -3322 |
| Cedarville | 07:40:04 | -59.8 | Dark | Up | 46.4 | 184.2 | Up | 07:27:21 - 07:52:48 | -3378 |
| Fall River/Burney | 07:40:08 | -60.2 | Dark | Up | 46.9 | 182.5 | Up | 07:27:25 - 07:52:52 | -3389 |
| Susanville | 07:40:07 | -60.9 | Dark | Up | 47.5 | 183.6 | Up | 07:27:23 - 07:52:50 | -3456 |
| Greenville | 07:40:08 | -61.1 | Dark | Up | 47.8 | 183.2 | Up | 07:27:24 - 07:52:51 | -3471 |
| Gimple | 07:40:08 | -61.2 | Dark | Up | 47.8 | 183.3 | Up | 07:27:24 - 07:52:51 | -3473 |
| Quincy | 07:40:08 | -61.4 | Dark | Up | 48.0 | 183.2 | Up | 07:27:24 - 07:52:51 | -3488 |
| Portola | 07:40:06 | -61.5 | Dark | Up | 48.1 | 183.9 | Up | 07:27:23 - 07:52:50 | -3508 |
| Reno | 07:40:04 | -61.8 | Dark | Up | 48.3 | 184.9 | Up | 07:27:21 - 07:52:48 | -3544 |
| Carson City | 07:40:05 | -62.1 | Dark | Up | 48.7 | 185.0 | Up | 07:27:21 - 07:52:48 | -3574 |
| Gardnerville | 07:40:05 | -62.4 | Dark | Up | 48.9 | 185.1 | Up | 07:27:21 - 07:52:48 | -3595 |
| Yerington | 07:40:03 | -62.4 | Dark | Up | 48.8 | 185.9 | Up | 07:27:19 - 07:52:46 | -3604 |
| Hawthorne | 07:40:01 | -62.8 | Dark | Up | 49.2 | 186.8 | Up | 07:27:18 - 07:52:45 | -3655 |
| Lee Vining | 07:40:03 | -63.4 | Dark | Up | 49.9 | 186.1 | Up | 07:27:20 - 07:52:47 | -3690 |
| Tonopah | 07:39:57 | -63.2 | Dark | Up | 49.6 | 189.0 | Up | 07:27:14 - 07:52:41 | -3725 |
| Bishop | 07:40:01 | -64.0 | Dark | Up | 50.4 | 187.3 | Up | 07:27:18 - 07:52:45 | -3757 |
| Niwot | 07:39:18 | -58.8 | Dark | Down | 44.9 | 205.4 | Up | 07:26:34 - 07:52:01 | -3820 |
| SwRI | 07:39:18 | -59.0 | Dark | Down | 45.0 | 205.3 | Up | 07:26:34 - 07:52:01 | -3827 |
| Beatty | 07:39:56 | -64.4 | Dark | Up | 50.6 | 189.9 | Up | 07:27:13 - 07:52:40 | -3834 |
| CPSLO | 07:40:10 | -66.0 | Dark | Up | 52.6 | 184.0 | Up | 07:27:27 - 07:52:54 | -3881 |
| Indian Springs | 07:39:53 | -64.6 | Dark | Up | 50.8 | 191.7 | Up | 07:27:09 - 07:52:36 | -3887 |
| Henderson | 07:39:51 | -65.1 | Dark | Up | 51.2 | 192.9 | Up | 07:27:07 - 07:52:34 | -3950 |
| Searchlight/Boulder City | 07:39:51 | -65.6 | Dark | Up | 51.8 | 193.1 | Up | 07:27:07 - 07:52:34 | -4001 |
| Patrick | 07:39:47 | -65.5 | Dark | Up | 51.6 | 194.8 | Up | 07:27:04 - 07:52:31 | -4031 |
| Wildwood | 07:40:04 | -67.2 | Dark | Up | 53.6 | 187.5 | Up | 07:27:21 - 07:52:48 | -4035 |
| Laughlin/Bullhead City | 07:39:50 | -65.9 | Dark | Up | 52.0 | 193.8 | Up | 07:27:06 - 07:52:33 | -4036 |
| Kingman/Dolan Springs | 07:39:48 | -65.8 | Dark | Up | 51.9 | 194.6 | Up | 07:27:04 - 07:52:31 | -4046 |
| Mohave Valley | 07:39:50 | -66.1 | Dark | Up | 52.2 | 193.9 | Up | 07:27:06 - 07:52:33 | -4060 |
| DCO | 07:39:45 | -65.7 | Dark | Up | 51.7 | 196.0 | Up | 07:27:02 - 07:52:29 | -4074 |
| Lake Havasu City | 07:39:49 | -66.5 | Dark | Up | 52.6 | 194.4 | Up | 07:27:06 - 07:52:33 | -4101 |
| Idyllwild | 07:39:58 | -67.5 | Dark | Up | 53.7 | 190.7 | Up | 07:27:14 - 07:52:41 | -4111 |
| Parker | 07:39:49 | -66.8 | Dark | Up | 52.9 | 194.6 | Up | 07:27:06 - 07:52:33 | -4133 |
| Blythe | 07:39:51 | -67.4 | Dark | Up | 53.5 | 194.2 | Up | 07:27:07 - 07:52:34 | -4173 |
| Calipatria | 07:39:54 | -68.0 | Dark | Up | 54.1 | 192.9 | Up | 07:27:11 - 07:52:38 | -4195 |
| George/Scottsdale | 07:39:41 | -66.7 | Dark | Down | 52.8 | 198.6 | Up | 07:26:58 - 07:52:25 | -4230 |
| Yuma | 07:39:51 | -68.3 | Dark | Up | 54.4 | 194.5 | Up | 07:27:08 - 07:52:35 | -4255 |
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 523735, (2023/10/23 07:41UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:23 1.2 46.17 24 68Omi Cet 02:19:20.8 -02:58:45 2.0 11.45 76 PPM 183660 01:37:52.1 -03:26:27 6.5 1.76 66 PPM 183605 01:34:46.6 -02:02:03 7.6 0.27 66 PPM 183570 01:33:20.8 -02:03:20 9.8 0.09 65 523735 01:33:40.7 -02:01:20 15.1 65 Positions are for J2000
Event circumstances last updated at 2019/11/13 21:36:03 UT
Marc W. Buie, Southwest Research Institute