Event between 04VM131 and star GA1020:01753225 with event index number of 1276685
Geocentric closest approach at 2023/11/01 07:21:52 UTC
J2000 position of star is 06:23:23.6 +12:32:57
Equinox of date position of star is 06:24:28.4 +12:32:17
Stellar brightness G=14.0,
use SENSEUP=64
Star is 20 degrees from the moon.
Moon is 86% illuminated.
TNO apparent brightness V=24.3
[RECON map]
TNO is 35.8 AU from the Sun
and 35.2 AU from the Earth.
The TNO is moving 12.9
km/sec on the sky relative to the star, or,
1.8 arcsec/hr.
The 1-sigma error in the time of the event is 520 seconds.
The 1-sigma cross-track error in the shadow position is
3598 km.
The sky-plane scale is
25556.7 km/arcsec.
The TNO has an absolute magnitude Hv=8.6
Diameter=115.3 km assuming a 5% albedo -- 9.0 sec chord
Diameter=47.1 km assuming a 30% albedo -- 3.7 sec chord
Dynamical classification is CENTAURR
Star training set for 04VM131, (2023/11/01 07:22UT) Object RA Dec mag sep mel Betelgeuse 05:56:27.8 +07:24:34 0.4 8.64 21 Alhena 06:39:05.3 +16:22:37 1.9 5.18 20 PPM 122364 06:23:56.7 +12:33:24 6.4 0.19 20 04VM131 06:24:44.0 +12:32:07 14.0 20 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
1.7 sigma about the mid-time.
The median site spacing is 11.6 km
RECON observability=1.0 and success probability=4.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 07:24:12 | -54.3 | Dark | Up | 26.3 | 102.2 | Low | 07:09:12 - 07:39:12 | 6573 |
| Summerland | 07:24:16 | -54.6 | Dark | Up | 26.2 | 101.8 | Low | 07:09:16 - 07:39:16 | 6567 |
| Penticton | 07:24:16 | -54.7 | Dark | Up | 26.3 | 101.9 | Low | 07:09:16 - 07:39:16 | 6561 |
| Okanagan Falls | 07:24:19 | -54.8 | Dark | Up | 26.3 | 101.8 | Low | 07:09:19 - 07:39:19 | 6554 |
| Oliver | 07:24:17 | -55.0 | Dark | Up | 26.4 | 101.7 | Low | 07:09:17 - 07:39:17 | 6546 |
| Anarchist Mountain Observatory | 07:24:19 | -55.2 | Dark | Up | 26.5 | 101.8 | Low | 07:09:19 - 07:39:19 | 6533 |
| Oroville | 07:24:19 | -55.3 | Dark | Up | 26.5 | 101.7 | Low | 07:09:19 - 07:39:19 | 6532 |
| Tonasket | 07:24:23 | -55.5 | Dark | Up | 26.6 | 101.6 | Low | 07:09:23 - 07:39:23 | 6521 |
| Okanogan | 07:24:25 | -55.8 | Dark | Up | 26.5 | 101.3 | Low | 07:09:25 - 07:39:25 | 6509 |
| Brewster | 07:24:27 | -56.1 | Dark | Up | 26.5 | 101.0 | Low | 07:09:27 - 07:39:27 | 6502 |
| Manson/Chelan | 07:24:29 | -56.2 | Dark | Up | 26.3 | 100.6 | Low | 07:09:29 - 07:39:29 | 6502 |
| Entiat | 07:24:31 | -56.4 | Dark | Up | 26.3 | 100.5 | Low | 07:09:31 - 07:39:31 | 6493 |
| Wenatchee | 07:24:37 | -56.7 | Dark | Up | 26.3 | 100.3 | Low | 07:09:37 - 07:39:37 | 6484 |
| Ellensburg | 07:24:37 | -57.1 | Dark | Up | 26.2 | 99.9 | Low | 07:09:37 - 07:39:37 | 6470 |
| Yakima | 07:24:40 | -57.5 | Dark | Up | 26.2 | 99.7 | Low | 07:09:40 - 07:39:40 | 6451 |
| Toppenish/White Swan | 07:24:42 | -57.7 | Dark | Up | 26.4 | 99.7 | Low | 07:09:42 - 07:39:42 | 6436 |
| Goldendale | 07:24:46 | -58.2 | Dark | Up | 26.2 | 99.2 | Low | 07:09:46 - 07:39:46 | 6420 |
| The Dalles | 07:24:49 | -58.4 | Dark | Up | 26.0 | 98.8 | Low | 07:09:49 - 07:39:49 | 6418 |
| Pasco | 07:24:40 | -58.0 | Dark | Up | 27.3 | 100.7 | Low | 07:09:40 - 07:39:40 | 6396 |
| Maupin | 07:24:52 | -58.8 | Dark | Up | 26.2 | 98.7 | Low | 07:09:52 - 07:39:52 | 6394 |
| George/Umatilla | 07:24:43 | -58.3 | Dark | Up | 27.2 | 100.3 | Low | 07:09:43 - 07:39:43 | 6385 |
| PNWRO | 07:24:40 | -58.2 | Dark | Up | 27.5 | 100.7 | Low | 07:09:40 - 07:39:40 | 6378 |
| Madras/Culver | 07:24:56 | -59.3 | Dark | Up | 26.2 | 98.4 | Low | 07:09:56 - 07:39:56 | 6368 |
| Sisters | 07:25:01 | -59.6 | Dark | Up | 26.0 | 97.9 | Low | 07:10:01 - 07:40:01 | 6363 |
| Redmond | 07:24:59 | -59.7 | Dark | Up | 26.2 | 98.2 | Low | 07:09:59 - 07:39:59 | 6350 |
| Bend | 07:25:03 | -59.9 | Dark | Up | 26.2 | 98.0 | Low | 07:10:03 - 07:40:03 | 6343 |
| Oregon Observatory | 07:25:05 | -60.0 | Dark | Up | 26.1 | 97.8 | Low | 07:10:05 - 07:40:05 | 6338 |
| La Pine/Gilchrist | 07:25:04 | -60.2 | Dark | Up | 26.1 | 97.7 | Low | 07:10:04 - 07:40:04 | 6328 |
| North Lake | 07:25:06 | -60.7 | Dark | Up | 26.6 | 97.9 | Low | 07:10:06 - 07:40:06 | 6289 |
| Chiloquin | 07:25:13 | -61.3 | Dark | Up | 26.0 | 96.9 | Low | 07:10:13 - 07:40:13 | 6279 |
| Klamath Falls | 07:25:15 | -61.6 | Dark | Up | 26.1 | 96.8 | Low | 07:10:15 - 07:40:15 | 6258 |
| Paisley | 07:25:10 | -61.3 | Dark | Up | 26.9 | 97.9 | Low | 07:10:10 - 07:40:10 | 6249 |
| Tulelake | 07:25:17 | -61.9 | Dark | Up | 26.4 | 96.9 | Low | 07:10:17 - 07:40:17 | 6234 |
| Lakeview | 07:25:13 | -61.9 | Dark | Up | 27.2 | 97.8 | Low | 07:10:13 - 07:40:13 | 6216 |
| Fall River/Burney | 07:25:23 | -62.8 | Dark | Up | 26.6 | 96.5 | Low | 07:10:23 - 07:40:23 | 6181 |
| Cedarville | 07:25:19 | -62.5 | Dark | Up | 27.4 | 97.6 | Low | 07:10:19 - 07:40:19 | 6174 |
| Susanville | 07:25:28 | -63.6 | Dark | Up | 27.2 | 96.7 | Low | 07:10:28 - 07:40:28 | 6123 |
| Greenville | 07:25:31 | -63.8 | Dark | Up | 27.0 | 96.4 | Low | 07:10:31 - 07:40:31 | 6116 |
| Gimple | 07:25:30 | -63.8 | Dark | Up | 27.1 | 96.4 | Low | 07:10:30 - 07:40:30 | 6113 |
| Quincy | 07:25:30 | -64.0 | Dark | Up | 27.0 | 96.3 | Low | 07:10:30 - 07:40:30 | 6104 |
| Portola | 07:25:31 | -64.2 | Dark | Up | 27.4 | 96.5 | Low | 07:10:31 - 07:40:31 | 6083 |
| Reno | 07:25:31 | -64.5 | Dark | Up | 28.0 | 96.8 | Low | 07:10:31 - 07:40:31 | 6048 |
| Carson City | 07:25:34 | -64.9 | Dark | Up | 28.0 | 96.7 | Low | 07:10:34 - 07:40:34 | 6025 |
| Gardnerville | 07:25:35 | -65.1 | Dark | Up | 28.1 | 96.6 | Low | 07:10:35 - 07:40:35 | 6009 |
| Yerington | 07:25:35 | -65.2 | Dark | Up | 28.5 | 97.0 | Low | 07:10:35 - 07:40:35 | 5995 |
| Hawthorne | 07:25:36 | -65.7 | Dark | Up | 29.0 | 97.1 | Low | 07:10:36 - 07:40:36 | 5950 |
| Lee Vining | 07:25:40 | -66.2 | Dark | Up | 28.7 | 96.5 | Low | 07:10:40 - 07:40:40 | 5930 |
| Tonopah | 07:25:36 | -66.3 | Dark | Up | 30.2 | 97.8 | Up | 07:10:36 - 07:40:36 | 5877 |
| Bishop | 07:25:45 | -66.9 | Dark | Up | 29.4 | 96.7 | Low | 07:10:45 - 07:40:45 | 5870 |
| Lone Pine | 07:25:48 | -67.7 | Dark | Up | 29.7 | 96.5 | Low | 07:10:48 - 07:40:48 | 5810 |
| CPSLO | 07:26:02 | -68.6 | Dark | Up | 27.8 | 94.2 | Low | 07:11:02 - 07:41:02 | 5807 |
| Beatty | 07:25:43 | -67.4 | Dark | Up | 30.7 | 97.5 | Up | 07:10:43 - 07:40:43 | 5789 |
| Indian Springs | 07:25:42 | -67.8 | Dark | Up | 31.6 | 98.0 | Up | 07:10:42 - 07:40:42 | 5732 |
| Henderson | 07:25:44 | -68.3 | Dark | Up | 32.2 | 98.1 | Up | 07:10:44 - 07:40:44 | 5674 |
| Wildwood | 07:26:06 | -70.1 | Dark | Up | 29.6 | 94.7 | Low | 07:11:06 - 07:41:06 | 5660 |
| Searchlight/Boulder City | 07:25:49 | -68.9 | Dark | Up | 32.4 | 97.8 | Up | 07:10:49 - 07:40:49 | 5634 |
| Niwot | 07:24:46 | -62.8 | Dark | Up | 38.7 | 108.1 | Up | 07:09:46 - 07:39:46 | 5618 |
| SwRI | 07:24:47 | -62.9 | Dark | Up | 38.6 | 107.9 | Up | 07:09:47 - 07:39:47 | 5614 |
| Laughlin/Bullhead City | 07:25:50 | -69.2 | Dark | Up | 32.7 | 97.9 | Up | 07:10:50 - 07:40:50 | 5602 |
| Patrick | 07:25:44 | -68.9 | Dark | Up | 33.2 | 98.5 | Up | 07:10:44 - 07:40:44 | 5595 |
| Kingman/Dolan Springs | 07:25:49 | -69.1 | Dark | Up | 33.1 | 98.2 | Up | 07:10:49 - 07:40:49 | 5586 |
| Mohave Valley | 07:25:52 | -69.5 | Dark | Up | 32.8 | 97.7 | Up | 07:10:52 - 07:40:52 | 5583 |
| Idyllwild | 07:26:04 | -70.6 | Dark | Up | 31.2 | 95.7 | Up | 07:11:04 - 07:41:04 | 5574 |
| DCO | 07:25:45 | -69.2 | Dark | Up | 33.9 | 98.7 | Up | 07:10:45 - 07:40:45 | 5550 |
| Lake Havasu City | 07:25:52 | -69.8 | Dark | Up | 33.0 | 97.6 | Up | 07:10:52 - 07:40:52 | 5547 |
| Parker | 07:25:56 | -70.2 | Dark | Up | 33.1 | 97.4 | Up | 07:10:56 - 07:40:56 | 5521 |
| Blythe | 07:25:58 | -70.7 | Dark | Up | 32.9 | 96.9 | Up | 07:10:58 - 07:40:58 | 5495 |
| Calipatria | 07:26:06 | -71.2 | Dark | Up | 32.2 | 96.0 | Up | 07:11:06 - 07:41:06 | 5491 |
| Yuma | 07:26:05 | -71.7 | Dark | Up | 33.0 | 96.3 | Up | 07:11:05 - 07:41:05 | 5430 |
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 04VM131, (2023/11/01 07:22UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 8.64 21 Alhena 06:37:42.8 +16:23:57 1.9 5.18 20 PPM 122364 06:22:36.3 +12:34:12 6.4 0.19 20 04VM131 06:23:23.6 +12:32:57 14.0 20 Positions are for J2000
Event circumstances last updated at 2019/03/20 12:16:32 UT
Marc W. Buie, Southwest Research Institute