Event between (495190) 12VS113 and star GA0840:00291845 with event index number of 2218378
Geocentric closest approach at 2022/08/18 12:05:40 UTC
J2000 position of star is 03:37:36.9 -04:24:46
Equinox of date position of star is 03:38:42.1 -04:20:33
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 23 degrees from the moon.
Moon is 57% illuminated.
TNO apparent brightness V=23.2
[RECON map]
TNO is 38.6 AU from the Sun
and 38.5 AU from the Earth.
The TNO is moving 13.1
km/sec on the sky relative to the star, or,
1.7 arcsec/hr.
The 1-sigma error in the time of the event is 242 seconds.
The 1-sigma cross-track error in the shadow position is
3217 km.
The sky-plane scale is
27942.8 km/arcsec.
The TNO has an absolute magnitude Hv=7.2
Diameter=229.1 km assuming a 5% albedo -- 17.1 sec chord
Diameter=93.5 km assuming a 30% albedo -- 7.0 sec chord
Dynamical classification is SCATNEAR
Star training set for 495190, (2022/08/18 12:06UT) Object RA Dec mag sep mel Rigel 05:15:37.6 -08:10:38 0.1 24.37 42 Menkar 03:03:27.9 +04:10:38 2.5 12.25 13 22 Eri 03:41:45.7 -05:08:20 5.5 1.10 24 PPM 185948 03:36:14.0 -04:49:28 8.5 0.79 24 PPM 186005 03:39:12.5 -04:15:32 9.1 0.14 23 495190 03:38:44.6 -04:20:23 16.2 23 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
3.7 sigma about the mid-time.
The median site spacing is 0.0 km
RECON observability=0.0 and success probability=0.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Dunrhomin | 12:00:09 | -3.5 | CT | Up | 43.8 | 162.3 | Up | 11:45:09 - 12:15:09 | -6514 |
| Clarence Fulton | 11:58:52 | -8.3 | NT | Up | 30.5 | 148.1 | Up | 11:43:52 - 12:13:52 | -6909 |
| Kelowna | 11:58:52 | -8.6 | NT | Up | 30.8 | 147.8 | Up | 11:43:52 - 12:13:52 | -6943 |
| Peachland | 11:58:52 | -8.8 | NT | Up | 30.8 | 147.4 | Up | 11:43:52 - 12:13:52 | -6967 |
| Penticton | 11:58:54 | -8.8 | NT | Up | 31.1 | 147.6 | Up | 11:43:54 - 12:13:54 | -6969 |
| Summerland | 11:58:53 | -8.8 | NT | Up | 31.0 | 147.5 | Up | 11:43:53 - 12:13:53 | -6971 |
| Anarchist Mountain Observatory | 11:58:57 | -8.9 | NT | Up | 31.6 | 147.7 | Up | 11:43:57 - 12:13:57 | -6991 |
| Oliver | 11:58:57 | -9.0 | NT | Up | 31.4 | 147.5 | Up | 11:43:57 - 12:13:57 | -6992 |
| Tonasket | 11:58:58 | -9.1 | NT | Up | 31.8 | 147.5 | Up | 11:43:58 - 12:13:58 | -7015 |
| Okanogan | 11:58:58 | -9.4 | NT | Up | 32.0 | 147.2 | Up | 11:43:58 - 12:13:58 | -7045 |
| Brewster | 11:58:58 | -9.7 | NT | Up | 32.2 | 146.9 | Up | 11:43:58 - 12:13:58 | -7075 |
| Manson/Chelan | 11:58:59 | -10.0 | NT | Up | 32.2 | 146.4 | Up | 11:43:59 - 12:13:59 | -7111 |
| Pasco | 11:59:08 | -10.2 | NT | Up | 34.0 | 147.0 | Up | 11:44:08 - 12:14:08 | -7152 |
| Wenatchee | 11:59:00 | -10.3 | NT | Up | 32.6 | 146.1 | Up | 11:44:00 - 12:14:00 | -7152 |
| PNWRO | 11:59:09 | -10.2 | NT | Up | 34.3 | 147.2 | Up | 11:44:09 - 12:14:09 | -7153 |
| Ellensburg | 11:59:01 | -10.7 | NT | Up | 32.8 | 145.7 | Up | 11:44:01 - 12:14:01 | -7193 |
| Yakima | 11:59:03 | -10.9 | NT | Up | 33.2 | 145.5 | Up | 11:44:03 - 12:14:03 | -7220 |
| Toppenish/White Swan | 11:59:04 | -10.9 | NT | Up | 33.4 | 145.6 | Up | 11:44:04 - 12:14:04 | -7224 |
| Victoria | 11:58:50 | -11.4 | NT | Up | 30.4 | 143.1 | Up | 11:43:50 - 12:13:50 | -7262 |
| Goldendale | 11:59:05 | -11.5 | NT | Up | 33.7 | 145.0 | Up | 11:44:05 - 12:14:05 | -7287 |
| The Dalles | 11:59:06 | -11.8 | NT | Up | 33.7 | 144.5 | Up | 11:44:06 - 12:14:06 | -7325 |
| Maupin | 11:59:08 | -11.9 | NT | Up | 34.1 | 144.5 | Up | 11:44:08 - 12:14:08 | -7346 |
| George/Scottsdale | 12:00:26 | -10.8 | NT | Up | 47.7 | 150.7 | Up | 11:45:26 - 12:15:26 | -7378 |
| Redmond | 11:59:11 | -12.5 | AT | Up | 34.8 | 144.0 | Up | 11:44:11 - 12:14:11 | -7411 |
| Bend | 11:59:11 | -12.7 | AT | Up | 34.9 | 143.8 | Up | 11:44:11 - 12:14:11 | -7434 |
| Sisters | 11:59:09 | -12.7 | AT | Up | 34.6 | 143.6 | Up | 11:44:09 - 12:14:09 | -7435 |
| Patrick | 12:00:11 | -11.7 | NT | Up | 45.4 | 148.8 | Up | 11:45:11 - 12:15:11 | -7441 |
| Oregon Observatory | 11:59:12 | -12.9 | AT | Up | 35.0 | 143.5 | Up | 11:44:12 - 12:14:12 | -7454 |
| North Lake | 11:59:15 | -12.9 | AT | Up | 35.8 | 143.9 | Up | 11:44:15 - 12:14:15 | -7461 |
| Kingman/Dolan Springs | 12:00:12 | -11.9 | NT | Up | 45.5 | 148.5 | Up | 11:45:12 - 12:15:12 | -7468 |
| La Pine/Gilchrist | 11:59:13 | -13.0 | AT | Up | 35.2 | 143.4 | Up | 11:44:13 - 12:14:13 | -7472 |
| Paisley | 11:59:18 | -12.9 | AT | Up | 36.4 | 144.1 | Up | 11:44:18 - 12:14:18 | -7474 |
| Henderson | 12:00:05 | -12.2 | AT | Up | 44.4 | 147.7 | Up | 11:45:05 - 12:15:05 | -7490 |
| Lakeview | 11:59:22 | -13.0 | AT | Up | 36.9 | 144.1 | Up | 11:44:22 - 12:14:22 | -7494 |
| Laughlin/Bullhead City | 12:00:11 | -12.3 | AT | Up | 45.3 | 147.8 | Up | 11:45:11 - 12:15:11 | -7510 |
| Indian Springs | 12:00:01 | -12.5 | AT | Up | 43.6 | 147.1 | Up | 11:45:01 - 12:15:01 | -7511 |
| Cedarville | 11:59:25 | -13.3 | AT | Up | 37.5 | 144.0 | Up | 11:44:25 - 12:14:25 | -7525 |
| Mohave Valley | 12:00:13 | -12.4 | AT | Up | 45.5 | 147.6 | Up | 11:45:13 - 12:15:13 | -7525 |
| Lake Havasu City | 12:00:15 | -12.4 | AT | Up | 46.0 | 147.8 | Up | 11:45:15 - 12:15:15 | -7529 |
| Tonopah | 11:59:49 | -12.9 | AT | Up | 41.7 | 145.9 | Up | 11:44:49 - 12:14:49 | -7535 |
| Parker | 12:00:17 | -12.5 | AT | Up | 46.3 | 147.6 | Up | 11:45:17 - 12:15:17 | -7548 |
| Chiloquin | 11:59:17 | -13.8 | AT | Up | 35.9 | 142.5 | Up | 11:44:17 - 12:14:17 | -7569 |
| Beatty | 11:59:56 | -13.1 | AT | Up | 42.9 | 145.9 | Up | 11:44:56 - 12:14:56 | -7572 |
| Klamath Falls | 11:59:18 | -13.9 | AT | Up | 36.2 | 142.5 | Up | 11:44:18 - 12:14:18 | -7587 |
| Blythe | 12:00:19 | -13.0 | AT | Up | 46.6 | 146.9 | Up | 11:45:19 - 12:15:19 | -7602 |
| Hawthorne | 11:59:44 | -13.7 | AT | Up | 40.7 | 144.4 | Up | 11:44:44 - 12:14:44 | -7609 |
| Yerington | 11:59:41 | -13.8 | AT | Up | 40.0 | 144.0 | Up | 11:44:41 - 12:14:41 | -7617 |
| Reno | 11:59:36 | -14.0 | AT | Up | 39.3 | 143.5 | Up | 11:44:36 - 12:14:36 | -7628 |
| Susanville | 11:59:29 | -14.1 | AT | Up | 38.2 | 143.0 | Up | 11:44:29 - 12:14:29 | -7630 |
| Fall River/Burney | 11:59:25 | -14.3 | AT | Up | 37.3 | 142.4 | Up | 11:44:25 - 12:14:25 | -7639 |
| Carson City | 11:59:37 | -14.2 | AT | Up | 39.6 | 143.4 | Up | 11:44:37 - 12:14:37 | -7650 |
| Portola | 11:59:33 | -14.3 | AT | Up | 38.8 | 142.9 | Up | 11:44:33 - 12:14:33 | -7656 |
| Yuma | 12:00:24 | -13.4 | AT | Up | 47.4 | 146.4 | Up | 11:45:24 - 12:15:24 | -7659 |
| Gardnerville | 11:59:37 | -14.3 | AT | Up | 39.8 | 143.3 | Up | 11:44:37 - 12:14:37 | -7662 |
| Gimple | 11:59:30 | -14.4 | AT | Up | 38.3 | 142.6 | Up | 11:44:30 - 12:14:30 | -7663 |
| Bishop | 11:59:50 | -14.1 | AT | Up | 41.7 | 144.1 | Up | 11:44:50 - 12:14:50 | -7665 |
| Greenville | 11:59:29 | -14.5 | AT | Up | 38.3 | 142.5 | Up | 11:44:29 - 12:14:29 | -7668 |
| Lee Vining | 11:59:46 | -14.3 | AT | Up | 40.9 | 143.6 | Up | 11:44:46 - 12:14:46 | -7680 |
| Quincy | 11:59:30 | -14.6 | AT | Up | 38.4 | 142.4 | Up | 11:44:30 - 12:14:30 | -7681 |
| Calipatria | 12:00:20 | -13.9 | AT | Up | 46.6 | 145.4 | Up | 11:45:20 - 12:15:20 | -7704 |
| Idyllwild | 12:00:14 | -14.5 | AT | Up | 45.5 | 144.3 | Up | 11:45:14 - 12:15:14 | -7761 |
| Wildwood | 12:00:06 | -15.8 | AT | Up | 44.3 | 142.2 | Up | 11:45:06 - 12:15:06 | -7884 |
| CPSLO | 11:59:55 | -16.7 | AT | Up | 42.2 | 140.4 | Up | 11:44:55 - 12:14:55 | -7962 |
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 495190, (2022/08/18 12:06UT) Object RA Dec mag sep mel Rigel 05:14:32.3 -08:12:06 0.1 24.37 42 Menkar 03:02:16.8 +04:05:21 2.5 12.25 13 22 Eri 03:40:38.3 -05:12:38 5.5 1.10 24 PPM 185948 03:35:06.5 -04:53:55 8.5 0.79 24 PPM 186005 03:38:04.7 -04:19:54 9.1 0.14 23 495190 03:37:36.9 -04:24:46 16.2 23 Positions are for J2000
Event circumstances last updated at 2021/10/14 01:43:47 UT
Marc W. Buie, Southwest Research Institute