Event between 12VB116 and star GA0900:01046745 with event index number of 1572499
Geocentric closest approach at 2022/10/22 09:12:18 UTC
J2000 position of star is 06:07:55.6 +00:28:50
Equinox of date position of star is 06:09:00.5 +00:28:34
Stellar brightness G=13.2,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 82 degrees from the moon.
Moon is 11% illuminated.
TNO apparent brightness V=22.0
[RECON map]
TNO is 47.3 AU from the Sun
and 46.8 AU from the Earth.
The TNO is moving 14.3
km/sec on the sky relative to the star, or,
1.5 arcsec/hr.
The 1-sigma error in the time of the event is 150 seconds.
The 1-sigma cross-track error in the shadow position is
3113 km.
The sky-plane scale is
33975.8 km/arcsec.
The TNO has an absolute magnitude Hv=5.1
Diameter=570.2 km assuming a 5% albedo -- 39.9 sec chord
Diameter=232.8 km assuming a 30% albedo -- 16.3 sec chord
Dynamical classification is SCATEXTD
Star training set for 12VB116, (2022/10/22 09:12UT) Object RA Dec mag sep mel Betelgeuse 05:56:24.4 +07:24:34 0.4 7.62 84 34Del Ori 05:33:10.4 -00:17:02 2.2 9.01 91 PPM 176187 06:16:43.9 -00:31:21 6.2 2.15 80 PPM 149909 06:08:09.5 +00:04:22 8.4 0.47 82 PPM 149915 06:08:16.6 +00:45:34 9.5 0.35 82 12VB116 06:09:06.0 +00:28:33 13.2 81 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 3.9 km
RECON observability=1.0 and success probability=0.2%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Victoria | 09:10:50 | -49.6 | Dark | Down | 27.3 | 124.7 | Low | 08:57:51 - 09:23:49 | 13006 |
| The Dalles | 09:11:05 | -51.3 | Dark | Down | 30.3 | 125.6 | Up | 08:58:06 - 09:24:04 | 12891 |
| Sisters | 09:11:17 | -52.6 | Dark | Down | 30.8 | 124.6 | Up | 08:58:18 - 09:24:16 | 12890 |
| Ellensburg | 09:10:56 | -49.9 | Dark | Down | 29.8 | 126.8 | Low | 08:57:57 - 09:23:55 | 12883 |
| Maupin | 09:11:07 | -51.6 | Dark | Down | 30.6 | 125.5 | Up | 08:58:08 - 09:24:06 | 12882 |
| Goldendale | 09:11:08 | -51.0 | Dark | Down | 30.4 | 126.1 | Up | 08:58:09 - 09:24:07 | 12880 |
| Yakima | 09:11:00 | -50.3 | Dark | Down | 30.0 | 126.6 | Up | 08:58:01 - 09:23:59 | 12879 |
| Oregon Observatory | 09:11:22 | -52.8 | Dark | Down | 31.1 | 124.6 | Up | 08:58:23 - 09:24:21 | 12879 |
| La Pine/Gilchrist | 09:11:23 | -53.0 | Dark | Down | 31.2 | 124.4 | Up | 08:58:24 - 09:24:22 | 12879 |
| Wenatchee | 09:10:57 | -49.5 | Dark | Down | 29.7 | 127.2 | Low | 08:57:58 - 09:23:56 | 12878 |
| Peachland | 09:10:35 | -47.4 | Dark | Down | 28.5 | 128.7 | Low | 08:57:36 - 09:23:34 | 12877 |
| Manson/Chelan | 09:10:49 | -49.1 | Dark | Down | 29.4 | 127.6 | Low | 08:57:50 - 09:23:48 | 12876 |
| Bend | 09:11:16 | -52.6 | Dark | Down | 31.1 | 124.8 | Up | 08:58:17 - 09:24:15 | 12876 |
| Redmond | 09:11:18 | -52.4 | Dark | Down | 31.1 | 125.0 | Up | 08:58:19 - 09:24:17 | 12873 |
| Summerland | 09:10:36 | -47.5 | Dark | Down | 28.6 | 128.8 | Low | 08:57:37 - 09:23:35 | 12872 |
| Toppenish/White Swan | 09:11:00 | -50.4 | Dark | Down | 30.2 | 126.7 | Up | 08:58:01 - 09:23:59 | 12869 |
| Penticton | 09:10:36 | -47.5 | Dark | Down | 28.7 | 128.8 | Low | 08:57:37 - 09:23:35 | 12867 |
| Kelowna | 09:10:36 | -47.2 | Dark | Down | 28.5 | 129.1 | Low | 08:57:37 - 09:23:35 | 12866 |
| Klamath Falls | 09:11:29 | -54.3 | Dark | Down | 31.9 | 123.5 | Up | 08:58:30 - 09:24:28 | 12865 |
| Oliver | 09:10:43 | -47.8 | Dark | Down | 28.9 | 128.7 | Low | 08:57:44 - 09:23:42 | 12865 |
| Brewster | 09:10:50 | -48.7 | Dark | Down | 29.5 | 128.0 | Low | 08:57:51 - 09:23:49 | 12864 |
| Clarence Fulton | 09:10:29 | -46.8 | Dark | Down | 28.4 | 129.4 | Low | 08:57:30 - 09:23:28 | 12863 |
| Okanogan | 09:10:46 | -48.5 | Dark | Down | 29.4 | 128.3 | Low | 08:57:47 - 09:23:45 | 12859 |
| Anarchist Mountain Observatory | 09:10:38 | -47.8 | Dark | Down | 29.1 | 128.8 | Low | 08:57:39 - 09:23:37 | 12856 |
| Tonasket | 09:10:42 | -48.1 | Dark | Down | 29.3 | 128.6 | Low | 08:57:43 - 09:23:41 | 12855 |
| North Lake | 09:11:18 | -53.1 | Dark | Down | 31.8 | 124.8 | Up | 08:58:19 - 09:24:17 | 12846 |
| Fall River/Burney | 09:11:36 | -55.1 | Dark | Down | 32.8 | 123.2 | Up | 08:58:37 - 09:24:35 | 12826 |
| Paisley | 09:11:28 | -53.4 | Dark | Down | 32.4 | 124.9 | Up | 08:58:29 - 09:24:27 | 12821 |
| Pasco | 09:10:56 | -50.0 | Dark | Down | 31.0 | 127.9 | Up | 08:57:57 - 09:23:55 | 12815 |
| Lakeview | 09:11:29 | -53.7 | Dark | Down | 32.8 | 124.8 | Up | 08:58:30 - 09:24:28 | 12803 |
| PNWRO | 09:11:02 | -50.1 | Dark | Down | 31.3 | 128.0 | Up | 08:58:03 - 09:24:01 | 12803 |
| Greenville | 09:11:46 | -55.6 | Dark | Down | 33.6 | 123.2 | Up | 08:58:47 - 09:24:45 | 12787 |
| Gimple | 09:11:46 | -55.6 | Dark | Down | 33.7 | 123.2 | Up | 08:58:47 - 09:24:45 | 12783 |
| Quincy | 09:11:44 | -55.8 | Dark | Down | 33.7 | 123.1 | Up | 08:58:45 - 09:24:43 | 12782 |
| Cedarville | 09:11:30 | -54.2 | Dark | Down | 33.3 | 124.6 | Up | 08:58:31 - 09:24:29 | 12782 |
| Susanville | 09:11:43 | -55.2 | Dark | Down | 33.6 | 123.6 | Up | 08:58:44 - 09:24:42 | 12780 |
| Portola | 09:11:45 | -55.6 | Dark | Down | 34.1 | 123.4 | Up | 08:58:46 - 09:24:44 | 12758 |
| Reno | 09:11:41 | -55.5 | Dark | Down | 34.6 | 123.9 | Up | 08:58:42 - 09:24:40 | 12723 |
| Carson City | 09:11:49 | -55.8 | Dark | Down | 34.9 | 123.7 | Up | 08:58:50 - 09:24:48 | 12713 |
| Gardnerville | 09:11:50 | -55.9 | Dark | Down | 35.0 | 123.6 | Up | 08:58:51 - 09:24:49 | 12705 |
| Yerington | 09:11:48 | -55.6 | Dark | Down | 35.4 | 124.2 | Up | 08:58:49 - 09:24:47 | 12678 |
| Lee Vining | 09:11:53 | -56.3 | Dark | Down | 36.0 | 123.6 | Up | 08:58:54 - 09:24:52 | 12650 |
| CPSLO | 09:12:18 | -59.0 | Dark | Down | 36.4 | 120.7 | Up | 08:59:19 - 09:25:17 | 12646 |
| Hawthorne | 09:11:49 | -55.6 | Dark | Down | 36.0 | 124.4 | Up | 08:58:50 - 09:24:48 | 12641 |
| Bishop | 09:11:56 | -56.3 | Dark | Down | 36.8 | 124.0 | Up | 08:58:57 - 09:24:55 | 12599 |
| Tonopah | 09:11:48 | -55.2 | Dark | Down | 37.2 | 125.5 | Up | 08:58:49 - 09:24:47 | 12562 |
| Wildwood | 09:12:18 | -58.6 | Dark | Down | 38.5 | 121.7 | Up | 08:59:19 - 09:25:17 | 12508 |
| Beatty | 09:11:54 | -55.7 | Dark | Down | 38.2 | 125.2 | Up | 08:58:55 - 09:24:53 | 12505 |
| Indian Springs | 09:11:50 | -55.3 | Dark | Down | 39.0 | 126.0 | Up | 08:58:51 - 09:24:49 | 12441 |
| Idyllwild | 09:12:14 | -57.7 | Dark | Down | 40.0 | 123.2 | Up | 08:59:15 - 09:25:13 | 12400 |
| Henderson | 09:11:53 | -55.2 | Dark | Down | 39.8 | 126.4 | Up | 08:58:54 - 09:24:52 | 12387 |
| Laughlin/Bullhead City | 09:11:58 | -55.5 | Dark | Down | 40.6 | 126.2 | Up | 08:58:59 - 09:24:57 | 12337 |
| Mohave Valley | 09:11:59 | -55.6 | Dark | Down | 40.8 | 126.0 | Up | 08:59:00 - 09:24:58 | 12327 |
| Calipatria | 09:12:14 | -57.3 | Dark | Down | 41.2 | 123.9 | Up | 08:59:15 - 09:25:13 | 12315 |
| Kingman/Dolan Springs | 09:11:56 | -55.1 | Dark | Down | 40.9 | 126.7 | Up | 08:58:57 - 09:24:55 | 12311 |
| Patrick | 09:11:54 | -54.9 | Dark | Down | 40.9 | 127.1 | Up | 08:58:55 - 09:24:53 | 12308 |
| Lake Havasu City | 09:12:02 | -55.7 | Dark | Down | 41.2 | 126.0 | Up | 08:59:03 - 09:25:01 | 12300 |
| Parker | 09:12:04 | -55.9 | Dark | Down | 41.4 | 125.8 | Up | 08:59:05 - 09:25:03 | 12286 |
| Blythe | 09:12:08 | -56.4 | Dark | Down | 41.5 | 125.1 | Up | 08:59:09 - 09:25:07 | 12283 |
| Yuma | 09:12:15 | -56.9 | Dark | Down | 42.1 | 124.4 | Up | 08:59:16 - 09:25:14 | 12251 |
| George/Scottsdale | 09:11:58 | -54.4 | Dark | Down | 43.3 | 127.9 | Up | 08:58:59 - 09:24:57 | 12138 |
| Dunrhomin | 09:10:54 | -46.6 | Dark | Down | 42.5 | 139.5 | Up | 08:57:55 - 09:23:53 | 12006 |
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 12VB116, (2022/10/22 09:12UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 7.62 84 34Del Ori 05:32:00.4 -00:17:57 2.2 9.01 91 PPM 176187 06:15:34.0 -00:30:49 6.2 2.15 80 PPM 149909 06:06:59.3 +00:04:37 8.4 0.47 82 PPM 149915 06:07:06.0 +00:45:49 9.5 0.35 82 12VB116 06:07:55.6 +00:28:50 13.2 82 Positions are for J2000
Event circumstances last updated at 2021/01/12 21:51:11 UT
Marc W. Buie, Southwest Research Institute