Event between 14WC509 and star GA1120:02864072 with event index number of 2683595
Geocentric closest approach at 2023/02/21 10:32:37 UTC
J2000 position of star is 07:40:04.5 +23:11:00
Equinox of date position of star is 07:41:23.8 +23:07:51
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 124 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=22.4
[RECON map]
TNO is 32.9 AU from the Sun
and 32.2 AU from the Earth.
The TNO is moving 18.2
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 103 seconds.
The 1-sigma cross-track error in the shadow position is
1332 km.
The sky-plane scale is
23324.9 km/arcsec.
The TNO has an absolute magnitude Hv=7.1
Diameter=229.1 km assuming a 5% albedo -- 12.7 sec chord
Diameter=93.5 km assuming a 30% albedo -- 5.2 sec chord
Dynamical classification is 3:2E
Star training set for 14WC509, (2023/02/21 10:33UT) Object RA Dec mag sep mel Pollux 07:46:43.8 +27:58:06 1.1 4.98 125 PPM 097834 07:42:21.5 +22:57:47 5.9 0.26 125 PPM 097828 07:42:08.4 +23:11:29 8.2 0.17 125 14WC509 07:41:27.6 +23:07:42 16.8 125 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 21.2 km
RECON observability=0.9 and success probability=9.1%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Sleaford | 10:29:25 | -33.3 | Dark | Down | 19.6 | 282.9 | Really Low | 10:20:23 - 10:38:28 | -1649 |
Kamloops | 10:29:26 | -41.4 | Dark | Down | 28.3 | 272.8 | Low | 10:20:24 - 10:38:29 | -2138 |
Kelowna | 10:29:21 | -41.5 | Dark | Down | 27.7 | 273.8 | Low | 10:20:19 - 10:38:24 | -2168 |
Peachland | 10:29:21 | -41.7 | Dark | Down | 27.9 | 273.7 | Low | 10:20:19 - 10:38:24 | -2184 |
Summerland | 10:29:20 | -41.8 | Dark | Down | 27.8 | 273.8 | Low | 10:20:18 - 10:38:23 | -2191 |
Penticton | 10:29:20 | -41.8 | Dark | Down | 27.7 | 273.9 | Low | 10:20:17 - 10:38:22 | -2193 |
Oliver | 10:29:18 | -42.0 | Dark | Down | 27.7 | 274.1 | Low | 10:20:16 - 10:38:21 | -2217 |
Anarchist Mountain Observatory | 10:29:17 | -42.0 | Dark | Down | 27.6 | 274.4 | Low | 10:20:15 - 10:38:20 | -2223 |
Tonasket | 10:29:16 | -42.3 | Dark | Down | 27.6 | 274.5 | Low | 10:20:13 - 10:38:18 | -2247 |
Okanogan | 10:29:14 | -42.6 | Dark | Down | 27.7 | 274.5 | Low | 10:20:12 - 10:38:17 | -2275 |
Brewster | 10:29:13 | -42.9 | Dark | Down | 27.8 | 274.5 | Low | 10:20:11 - 10:38:16 | -2300 |
Manson/Chelan | 10:29:13 | -43.2 | Dark | Down | 28.0 | 274.4 | Low | 10:20:10 - 10:38:15 | -2326 |
Wenatchee | 10:29:11 | -43.6 | Dark | Down | 28.1 | 274.5 | Low | 10:20:08 - 10:38:13 | -2365 |
Victoria | 10:29:20 | -44.3 | Dark | Down | 30.2 | 271.7 | Up | 10:20:17 - 10:38:22 | -2377 |
Dunrhomin | 10:28:30 | -38.0 | Dark | Down | 16.2 | 287.0 | Really Low | 10:19:27 - 10:37:32 | -2394 |
Ellensburg | 10:29:09 | -44.0 | Dark | Down | 28.2 | 274.5 | Low | 10:20:06 - 10:38:11 | -2401 |
PNWRO | 10:29:03 | -43.8 | Dark | Down | 27.0 | 276.2 | Low | 10:20:01 - 10:38:06 | -2422 |
Yakima | 10:29:07 | -44.3 | Dark | Down | 28.2 | 274.7 | Low | 10:20:05 - 10:38:10 | -2431 |
Toppenish/White Swan | 10:29:06 | -44.3 | Dark | Down | 28.1 | 275.0 | Low | 10:20:04 - 10:38:09 | -2442 |
Goldendale | 10:29:04 | -44.9 | Dark | Down | 28.3 | 275.0 | Low | 10:20:01 - 10:38:06 | -2496 |
The Dalles | 10:29:04 | -45.2 | Dark | Down | 28.6 | 274.8 | Low | 10:20:01 - 10:38:06 | -2524 |
Maupin | 10:29:02 | -45.5 | Dark | Down | 28.5 | 275.1 | Low | 10:19:59 - 10:38:04 | -2552 |
Sisters | 10:28:58 | -46.3 | Dark | Down | 28.8 | 275.3 | Low | 10:19:55 - 10:38:00 | -2634 |
Bend | 10:28:57 | -46.3 | Dark | Down | 28.6 | 275.6 | Low | 10:19:54 - 10:37:59 | -2643 |
Oregon Observatory | 10:28:57 | -46.5 | Dark | Down | 28.6 | 275.6 | Low | 10:19:54 - 10:37:59 | -2661 |
North Lake | 10:28:53 | -46.6 | Dark | Down | 28.2 | 276.3 | Low | 10:19:50 - 10:37:55 | -2693 |
Lakeview | 10:28:48 | -47.0 | Dark | Down | 27.7 | 277.2 | Low | 10:19:45 - 10:37:50 | -2757 |
Chiloquin | 10:28:51 | -47.6 | Dark | Down | 28.8 | 276.0 | Low | 10:19:49 - 10:37:54 | -2777 |
Klamath Falls | 10:28:49 | -47.8 | Dark | Down | 28.7 | 276.2 | Low | 10:19:47 - 10:37:52 | -2801 |
Cedarville | 10:28:45 | -47.3 | Dark | Down | 27.5 | 277.6 | Low | 10:19:42 - 10:37:47 | -2802 |
Fall River/Burney | 10:28:44 | -48.3 | Dark | Down | 28.3 | 277.1 | Low | 10:19:41 - 10:37:46 | -2882 |
Susanville | 10:28:41 | -48.2 | Dark | Down | 27.7 | 277.9 | Low | 10:19:38 - 10:37:43 | -2907 |
Gimple | 10:28:39 | -48.5 | Dark | Down | 27.8 | 277.9 | Low | 10:19:37 - 10:37:42 | -2937 |
Greenville | 10:28:39 | -48.6 | Dark | Down | 27.9 | 277.8 | Low | 10:19:37 - 10:37:42 | -2940 |
Reno | 10:28:36 | -48.2 | Dark | Down | 26.9 | 278.8 | Low | 10:19:33 - 10:37:38 | -2949 |
Portola | 10:28:38 | -48.5 | Dark | Down | 27.5 | 278.3 | Low | 10:19:35 - 10:37:40 | -2950 |
Quincy | 10:28:39 | -48.7 | Dark | Down | 27.9 | 277.9 | Low | 10:19:36 - 10:37:41 | -2956 |
Yerington | 10:28:33 | -48.1 | Dark | Down | 26.4 | 279.4 | Low | 10:19:31 - 10:37:36 | -2971 |
Carson City | 10:28:34 | -48.4 | Dark | Down | 26.9 | 279.0 | Low | 10:19:32 - 10:37:37 | -2977 |
Tonopah | 10:28:27 | -47.3 | Dark | Down | 24.7 | 281.0 | Low | 10:19:24 - 10:37:29 | -2979 |
Hawthorne | 10:28:31 | -48.0 | Dark | Down | 25.9 | 280.0 | Low | 10:19:28 - 10:37:33 | -2990 |
Gardnerville | 10:28:33 | -48.5 | Dark | Down | 26.8 | 279.1 | Low | 10:19:31 - 10:37:36 | -2995 |
Indian Springs | 10:28:19 | -47.0 | Dark | Down | 23.2 | 282.4 | Low | 10:19:17 - 10:37:22 | -3046 |
Lee Vining | 10:28:29 | -48.7 | Dark | Down | 26.2 | 280.0 | Low | 10:19:26 - 10:37:31 | -3053 |
Beatty | 10:28:22 | -47.6 | Dark | Down | 24.2 | 281.7 | Low | 10:19:19 - 10:37:24 | -3057 |
Henderson | 10:28:17 | -46.8 | Dark | Down | 22.6 | 283.0 | Low | 10:19:15 - 10:37:20 | -3065 |
Patrick | 10:28:13 | -46.2 | Dark | Down | 21.6 | 283.8 | Low | 10:19:11 - 10:37:16 | -3076 |
Bishop | 10:28:26 | -48.5 | Dark | Down | 25.5 | 280.6 | Low | 10:19:23 - 10:37:28 | -3077 |
Kingman/Dolan Springs | 10:28:12 | -46.4 | Dark | Down | 21.7 | 283.8 | Low | 10:19:10 - 10:37:15 | -3101 |
Laughlin/Bullhead City | 10:28:14 | -46.8 | Dark | Down | 22.1 | 283.5 | Low | 10:19:11 - 10:37:16 | -3122 |
George/Scottsdale | 10:28:05 | -45.4 | Dark | Down | 19.6 | 285.4 | Really Low | 10:19:03 - 10:37:08 | -3142 |
Mohave Valley | 10:28:12 | -47.0 | Dark | Down | 22.0 | 283.6 | Low | 10:19:10 - 10:37:15 | -3145 |
Lake Havasu City | 10:28:11 | -46.9 | Dark | Down | 21.7 | 283.9 | Low | 10:19:08 - 10:37:13 | -3169 |
Parker | 10:28:09 | -47.1 | Dark | Down | 21.6 | 284.1 | Low | 10:19:07 - 10:37:12 | -3197 |
Idyllwild | 10:28:09 | -49.1 | Dark | Down | 23.5 | 283.1 | Low | 10:19:07 - 10:37:12 | -3321 |
Calipatria | 10:28:07 | -48.4 | Dark | Down | 22.4 | 283.9 | Low | 10:19:04 - 10:37:09 | -3329 |
Yuma | 10:28:04 | -47.9 | Dark | Down | 21.6 | 284.4 | Low | 10:19:02 - 10:37:07 | -3333 |
Wildwood | 10:28:13 | -50.3 | Dark | Down | 25.1 | 282.0 | Low | 10:19:10 - 10:37:15 | -3360 |
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 14WC509, (2023/02/21 10:33UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 4.98 125 PPM 097834 07:40:58.5 +23:01:06 5.9 0.26 125 PPM 097828 07:40:45.3 +23:14:47 8.2 0.17 125 14WC509 07:40:04.5 +23:11:00 16.8 124 Positions are for J2000
Event circumstances last updated at 2022/02/02 01:12:53 UT
Marc W. Buie, Southwest Research Institute