Event between (523644) 10VX11 and star GA0900:00780051 with event index number of 2381892
Geocentric closest approach at 2022/04/16 04:01:05 UTC
J2000 position of star is 05:38:45.3 +01:30:22
Equinox of date position of star is 05:39:54.1 +01:31:02
Stellar brightness G=14.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 113 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=21.2
[RECON map]
TNO is 28.5 AU from the Sun
and 28.9 AU from the Earth.
The TNO is moving 23.5
km/sec on the sky relative to the star, or,
4.0 arcsec/hr.
The 1-sigma error in the time of the event is 55 seconds.
The 1-sigma cross-track error in the shadow position is
1091 km.
The sky-plane scale is
20988.9 km/arcsec.
The TNO has an absolute magnitude Hv=6.4
Diameter=317.7 km assuming a 5% albedo -- 13.7 sec chord
Diameter=129.7 km assuming a 30% albedo -- 5.6 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 523644, (2022/04/16 04:01UT) Object RA Dec mag sep mel Betelgeuse 05:56:22.8 +07:24:34 0.4 7.18 109 34Del Ori 05:33:08.8 -00:17:04 2.2 2.47 115 51 Ori 05:43:37.8 +01:29:01 4.9 0.93 112 PPM 149293 05:40:58.4 +01:30:07 7.1 0.27 113 PPM 149258 05:39:28.7 +01:22:00 9.5 0.19 113 523644 05:39:54.6 +01:31:02 14.6 113 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 39.1 km
RECON observability=0.4 and success probability=0.1%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 04:04:54 | -10.6 | NT | Up | 19.4 | 247.3 | Really Low | 03:59:48 - 04:09:59 | 6756 |
| Sleaford | 04:05:06 | -17.0 | AT | Up | 10.4 | 258.9 | Really Low | 04:00:00 - 04:10:11 | 6745 |
| Kelowna | 04:04:56 | -11.6 | NT | Up | 19.2 | 248.3 | Really Low | 03:59:51 - 04:10:02 | 6664 |
| Peachland | 04:04:55 | -11.5 | NT | Up | 19.4 | 248.1 | Really Low | 03:59:50 - 04:10:01 | 6657 |
| Summerland | 04:04:56 | -11.6 | NT | Up | 19.4 | 248.2 | Really Low | 03:59:50 - 04:10:01 | 6641 |
| Penticton | 04:04:55 | -11.7 | NT | Up | 19.4 | 248.3 | Really Low | 03:59:50 - 04:10:01 | 6633 |
| Oliver | 04:04:56 | -11.9 | NT | Up | 19.5 | 248.4 | Really Low | 03:59:51 - 04:10:02 | 6599 |
| Victoria | 04:04:52 | -10.0 | NT | Up | 22.1 | 245.4 | Low | 03:59:46 - 04:09:57 | 6593 |
| Anarchist Mountain Observatory | 04:04:55 | -12.1 | AT | Up | 19.5 | 248.7 | Really Low | 03:59:50 - 04:10:01 | 6579 |
| Tonasket | 04:04:56 | -12.2 | AT | Up | 19.6 | 248.7 | Really Low | 03:59:51 - 04:10:02 | 6549 |
| Okanogan | 04:04:57 | -12.3 | AT | Up | 19.8 | 248.7 | Really Low | 03:59:51 - 04:10:02 | 6518 |
| Brewster | 04:04:58 | -12.3 | AT | Up | 20.0 | 248.6 | Low | 03:59:53 - 04:10:04 | 6494 |
| Manson/Chelan | 04:04:57 | -12.2 | AT | Up | 20.3 | 248.4 | Low | 03:59:52 - 04:10:03 | 6478 |
| Wenatchee | 04:04:58 | -12.3 | AT | Up | 20.6 | 248.4 | Low | 03:59:53 - 04:10:04 | 6434 |
| Ellensburg | 04:04:58 | -12.4 | AT | Up | 20.9 | 248.4 | Low | 03:59:53 - 04:10:04 | 6396 |
| Yakima | 04:04:57 | -12.6 | AT | Up | 21.1 | 248.5 | Low | 03:59:52 - 04:10:03 | 6355 |
| Toppenish/White Swan | 04:04:59 | -12.8 | AT | Up | 21.0 | 248.7 | Low | 03:59:53 - 04:10:04 | 6331 |
| Goldendale | 04:04:59 | -12.8 | AT | Up | 21.5 | 248.6 | Low | 03:59:53 - 04:10:04 | 6282 |
| PNWRO | 04:05:01 | -13.9 | AT | Up | 20.2 | 250.1 | Low | 03:59:56 - 04:10:07 | 6271 |
| The Dalles | 04:04:58 | -12.7 | AT | Up | 21.8 | 248.4 | Low | 03:59:53 - 04:10:04 | 6265 |
| Maupin | 04:04:59 | -13.0 | AT | Up | 21.9 | 248.6 | Low | 03:59:54 - 04:10:05 | 6221 |
| Sisters | 04:04:59 | -13.1 | AT | Up | 22.6 | 248.5 | Low | 03:59:53 - 04:10:04 | 6140 |
| Bend | 04:05:00 | -13.4 | AT | Up | 22.5 | 248.8 | Low | 03:59:54 - 04:10:05 | 6111 |
| Oregon Observatory | 04:05:00 | -13.4 | AT | Up | 22.6 | 248.8 | Low | 03:59:55 - 04:10:06 | 6096 |
| North Lake | 04:05:02 | -14.0 | AT | Up | 22.5 | 249.5 | Low | 03:59:56 - 04:10:07 | 6021 |
| Chiloquin | 04:05:00 | -13.7 | AT | Up | 23.4 | 249.0 | Low | 03:59:54 - 04:10:05 | 5968 |
| Klamath Falls | 04:05:00 | -14.0 | AT | Up | 23.5 | 249.2 | Low | 03:59:54 - 04:10:05 | 5931 |
| Lakeview | 04:05:04 | -14.9 | AT | Up | 22.5 | 250.3 | Low | 03:59:58 - 04:10:09 | 5903 |
| Cedarville | 04:05:04 | -15.4 | AT | Up | 22.6 | 250.7 | Low | 03:59:58 - 04:10:09 | 5831 |
| Fall River/Burney | 04:05:02 | -14.8 | AT | Up | 23.6 | 250.0 | Low | 03:59:57 - 04:10:08 | 5802 |
| Susanville | 04:05:04 | -15.6 | AT | Up | 23.3 | 250.8 | Low | 03:59:59 - 04:10:10 | 5724 |
| Greenville | 04:05:04 | -15.5 | AT | Up | 23.6 | 250.7 | Low | 03:59:59 - 04:10:10 | 5700 |
| Gimple | 04:05:03 | -15.6 | AT | Up | 23.5 | 250.8 | Low | 03:59:58 - 04:10:09 | 5698 |
| Quincy | 04:05:04 | -15.6 | AT | Up | 23.6 | 250.8 | Low | 03:59:59 - 04:10:10 | 5679 |
| Portola | 04:05:05 | -16.0 | AT | Up | 23.3 | 251.2 | Low | 04:00:00 - 04:10:11 | 5657 |
| Reno | 04:05:06 | -16.6 | AT | Up | 22.9 | 251.8 | Low | 04:00:00 - 04:10:11 | 5618 |
| Carson City | 04:05:07 | -16.7 | AT | Up | 23.0 | 252.0 | Low | 04:00:02 - 04:10:13 | 5580 |
| Gardnerville | 04:05:06 | -16.9 | AT | Up | 23.1 | 252.1 | Low | 04:00:00 - 04:10:11 | 5554 |
| Yerington | 04:05:08 | -17.3 | AT | Up | 22.6 | 252.5 | Low | 04:00:02 - 04:10:13 | 5549 |
| Dunrhomin | 04:05:24 | -25.4 | Dark | Up | 11.8 | 261.9 | Really Low | 04:00:18 - 04:10:29 | 5513 |
| Hawthorne | 04:05:10 | -17.9 | AT | Up | 22.4 | 253.1 | Low | 04:00:04 - 04:10:15 | 5491 |
| Lee Vining | 04:05:08 | -17.8 | AT | Up | 22.9 | 252.9 | Low | 04:00:02 - 04:10:13 | 5440 |
| Tonopah | 04:05:11 | -19.1 | Dark | Up | 21.4 | 254.3 | Low | 04:00:05 - 04:10:16 | 5419 |
| Bishop | 04:05:10 | -18.6 | Dark | Up | 22.5 | 253.7 | Low | 04:00:05 - 04:10:16 | 5364 |
| Beatty | 04:05:12 | -20.0 | Dark | Up | 21.4 | 255.0 | Low | 04:00:06 - 04:10:17 | 5288 |
| Indian Springs | 04:05:14 | -20.9 | Dark | Up | 20.6 | 255.9 | Low | 04:00:08 - 04:10:19 | 5236 |
| Henderson | 04:05:15 | -21.6 | Dark | Up | 20.2 | 256.5 | Low | 04:00:10 - 04:10:21 | 5169 |
| Patrick | 04:05:18 | -22.8 | Dark | Up | 19.4 | 257.5 | Really Low | 04:00:13 - 04:10:24 | 5085 |
| Laughlin/Bullhead City | 04:05:17 | -22.4 | Dark | Up | 20.1 | 257.1 | Low | 04:00:11 - 04:10:22 | 5069 |
| Kingman/Dolan Springs | 04:05:17 | -22.7 | Dark | Up | 19.6 | 257.4 | Really Low | 04:00:12 - 04:10:23 | 5064 |
| Mohave Valley | 04:05:16 | -22.5 | Dark | Up | 20.1 | 257.2 | Low | 04:00:11 - 04:10:22 | 5039 |
| Wildwood | 04:05:11 | -20.0 | Dark | Up | 23.6 | 254.9 | Low | 04:00:06 - 04:10:17 | 5018 |
| Lake Havasu City | 04:05:17 | -22.9 | Dark | Up | 20.0 | 257.5 | Really Low | 04:00:12 - 04:10:23 | 4992 |
| Parker | 04:05:17 | -23.1 | Dark | Up | 20.1 | 257.7 | Low | 04:00:12 - 04:10:23 | 4954 |
| Idyllwild | 04:05:15 | -21.6 | Dark | Up | 22.1 | 256.3 | Low | 04:00:09 - 04:10:20 | 4947 |
| George/Scottsdale | 04:05:21 | -25.1 | Dark | Up | 18.1 | 259.3 | Really Low | 04:00:15 - 04:10:26 | 4874 |
| Calipatria | 04:05:16 | -22.8 | Dark | Up | 21.3 | 257.3 | Low | 04:00:11 - 04:10:22 | 4862 |
| Yuma | 04:05:18 | -23.6 | Dark | Up | 20.6 | 258.0 | Low | 04:00:13 - 04:10:24 | 4802 |
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 523644, (2022/04/16 04:01UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 7.18 109 34Del Ori 05:32:00.4 -00:17:57 2.2 2.47 115 51 Ori 05:42:28.5 +01:28:28 4.9 0.93 112 PPM 149293 05:39:49.1 +01:29:29 7.1 0.27 113 PPM 149258 05:38:19.5 +01:21:19 9.5 0.19 113 523644 05:38:45.3 +01:30:22 14.6 113 Positions are for J2000
Event circumstances last updated at 2022/02/12 01:05:24 UT
Marc W. Buie, Southwest Research Institute