Event between 14WS509 and star GA1120:01237799 with event index number of 2683252
Geocentric closest approach at 2028/12/19 05:55:02 UTC
J2000 position of star is 05:31:09.3 +23:15:06
Equinox of date position of star is 05:32:33.1 +23:16:03
Stellar brightness G=14.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 137 degrees from the moon.
Moon is 11% illuminated.
Apparent brightness V=22.5
[RECON map]
Object is 42.7 AU from the Sun
and 41.7 AU from the Earth.
Apparent velocity is 25.6
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 350 seconds.
The 1-sigma cross-track error in the shadow position is
1773 km.
The sky-plane scale is
30259.5 km/arcsec.
The object has an absolute magnitude Hv=6.2
Diameter=346.7 km assuming a 5% albedo -- 13.6 sec chord
Diameter=141.6 km assuming a 30% albedo -- 5.6 sec chord
Dynamical classification is CLASSICAL
Star training set for 14WS509, (2028/12/19 05:53UT) Object RA Dec mag sep mel Aldebaran 04:37:35.2 +16:33:55 0.8 14.62 124 Alnath 05:28:07.5 +28:37:46 1.6 5.46 136 114 Tau 05:29:22.6 +21:57:33 4.7 1.55 136 PPM 094385 05:29:41.0 +23:18:53 8.4 0.74 136 PPM 094436 05:32:49.9 +23:13:45 9.5 0.05 137 PPM 094438 05:32:51.0 +23:14:14 10.9 0.04 137 14WS509 05:32:54.9 +23:16:17 14.8 138 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
2.6 sigma about the mid-time.
The median site spacing is 29.6 km
RECON observability=1.0 and success probability=26.1%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 05:56:08 | -53.9 | Dark | Down | 56.1 | 134.3 | Up | 05:41:08 - 06:11:08 | 2265 |
| Sleaford | 05:55:30 | -58.7 | Dark | Down | 59.9 | 158.7 | Up | 05:40:30 - 06:10:30 | 2236 |
| Kelowna | 05:56:07 | -54.8 | Dark | Down | 57.1 | 134.7 | Up | 05:41:07 - 06:11:07 | 2176 |
| Peachland | 05:56:08 | -54.7 | Dark | Down | 57.0 | 134.2 | Up | 05:41:08 - 06:11:08 | 2169 |
| Summerland | 05:56:08 | -54.9 | Dark | Down | 57.1 | 134.2 | Up | 05:41:08 - 06:11:08 | 2154 |
| Penticton | 05:56:07 | -55.0 | Dark | Down | 57.2 | 134.2 | Up | 05:41:07 - 06:11:07 | 2146 |
| Oliver | 05:56:08 | -55.2 | Dark | Down | 57.5 | 133.8 | Up | 05:41:08 - 06:11:08 | 2112 |
| Victoria | 05:56:19 | -53.5 | Dark | Down | 56.0 | 127.7 | Up | 05:41:19 - 06:11:19 | 2109 |
| Anarchist Mountain Observatory | 05:56:08 | -55.4 | Dark | Down | 57.7 | 133.9 | Up | 05:41:08 - 06:11:08 | 2093 |
| Okanogan | 05:56:09 | -55.7 | Dark | Down | 58.0 | 132.9 | Up | 05:41:09 - 06:11:09 | 2034 |
| Brewster | 05:56:10 | -55.7 | Dark | Down | 58.1 | 132.3 | Up | 05:41:10 - 06:11:10 | 2011 |
| Manson/Chelan | 05:56:12 | -55.6 | Dark | Down | 58.1 | 131.5 | Up | 05:41:12 - 06:11:12 | 1997 |
| Wenatchee | 05:56:13 | -55.8 | Dark | Down | 58.3 | 130.7 | Up | 05:41:13 - 06:11:13 | 1954 |
| Ellensburg | 05:56:14 | -55.9 | Dark | Down | 58.5 | 129.8 | Up | 05:41:14 - 06:11:14 | 1917 |
| Yakima | 05:56:14 | -56.1 | Dark | Down | 58.7 | 129.3 | Up | 05:41:14 - 06:11:14 | 1878 |
| Toppenish/White Swan | 05:56:15 | -56.3 | Dark | Down | 58.9 | 129.3 | Up | 05:41:15 - 06:11:15 | 1854 |
| PNWRO | 05:56:11 | -57.4 | Dark | Down | 60.0 | 131.0 | Up | 05:41:11 - 06:11:11 | 1794 |
| The Dalles | 05:56:18 | -56.3 | Dark | Down | 59.0 | 127.1 | Up | 05:41:18 - 06:11:18 | 1790 |
| Maupin | 05:56:18 | -56.6 | Dark | Down | 59.3 | 126.7 | Up | 05:41:18 - 06:11:18 | 1748 |
| Sisters | 05:56:21 | -56.7 | Dark | Down | 59.5 | 124.8 | Up | 05:41:21 - 06:11:21 | 1669 |
| Bend | 05:56:20 | -57.0 | Dark | Down | 59.8 | 124.9 | Up | 05:41:20 - 06:11:20 | 1641 |
| Oregon Observatory | 05:56:21 | -57.0 | Dark | Down | 59.9 | 124.4 | Up | 05:41:21 - 06:11:21 | 1626 |
| Chiloquin | 05:56:24 | -57.3 | Dark | Down | 60.3 | 122.0 | Up | 05:41:24 - 06:11:24 | 1502 |
| Klamath Falls | 05:56:24 | -57.5 | Dark | Down | 60.6 | 121.6 | Up | 05:41:24 - 06:11:24 | 1466 |
| Cedarville | 05:56:21 | -58.9 | Dark | Down | 61.9 | 122.7 | Up | 05:41:21 - 06:11:21 | 1368 |
| Fall River/Burney | 05:56:25 | -58.3 | Dark | Down | 61.4 | 120.3 | Up | 05:41:25 - 06:11:25 | 1341 |
| Greenville | 05:56:25 | -58.9 | Dark | Down | 62.2 | 119.4 | Up | 05:41:25 - 06:11:25 | 1240 |
| Gimple | 05:56:25 | -59.0 | Dark | Down | 62.2 | 119.5 | Up | 05:41:25 - 06:11:25 | 1239 |
| Quincy | 05:56:25 | -59.0 | Dark | Down | 62.3 | 119.1 | Up | 05:41:25 - 06:11:25 | 1220 |
| Portola | 05:56:24 | -59.4 | Dark | Down | 62.6 | 119.5 | Up | 05:41:24 - 06:11:24 | 1198 |
| Reno | 05:56:22 | -60.0 | Dark | Down | 63.2 | 120.0 | Up | 05:41:22 - 06:11:22 | 1160 |
| Carson City | 05:56:23 | -60.1 | Dark | Down | 63.4 | 119.4 | Up | 05:41:23 - 06:11:23 | 1122 |
| Gardnerville | 05:56:23 | -60.2 | Dark | Down | 63.6 | 119.0 | Up | 05:41:23 - 06:11:23 | 1096 |
| Yerington | 05:56:21 | -60.6 | Dark | Down | 63.9 | 119.9 | Up | 05:41:21 - 06:11:21 | 1091 |
| Dunrhomin | 05:55:36 | -68.7 | Dark | Down | 70.8 | 148.9 | Up | 05:40:36 - 06:10:36 | 1035 |
| Hawthorne | 05:56:20 | -61.2 | Dark | Down | 64.5 | 119.8 | Up | 05:41:20 - 06:11:20 | 1034 |
| Nikitin | 05:55:36 | -68.8 | Dark | Down | 70.9 | 148.5 | Up | 05:40:36 - 06:10:36 | 1016 |
| CU-SBO | 05:55:37 | -68.8 | Dark | Down | 70.9 | 148.2 | Up | 05:40:37 - 06:10:37 | 1010 |
| Lee Vining | 05:56:22 | -61.1 | Dark | Down | 64.5 | 118.1 | Up | 05:41:22 - 06:11:22 | 984 |
| Bishop | 05:56:21 | -61.8 | Dark | Down | 65.2 | 118.0 | Up | 05:41:21 - 06:11:21 | 909 |
| Beatty | 05:56:16 | -63.2 | Dark | Down | 66.6 | 119.5 | Up | 05:41:16 - 06:11:16 | 833 |
| Patrick | 05:56:09 | -65.9 | Dark | Down | 69.3 | 120.8 | Up | 05:41:09 - 06:11:09 | 630 |
| Laughlin/Bullhead City | 05:56:11 | -65.5 | Dark | Down | 69.0 | 119.1 | Up | 05:41:11 - 06:11:11 | 615 |
| Wildwood | 05:56:25 | -62.7 | Dark | Down | 66.5 | 111.1 | Up | 05:41:25 - 06:11:25 | 569 |
| Lake Havasu City | 05:56:11 | -65.9 | Dark | Down | 69.5 | 118.0 | Up | 05:41:11 - 06:11:11 | 540 |
| Idyllwild | 05:56:20 | -64.3 | Dark | Down | 68.0 | 112.7 | Up | 05:41:20 - 06:11:20 | 498 |
| George/Scottsdale | 05:56:03 | -68.1 | Dark | Down | 71.6 | 120.2 | Up | 05:41:03 - 06:11:03 | 420 |
| Calipatria | 05:56:16 | -65.4 | Dark | Down | 69.2 | 112.9 | Up | 05:41:16 - 06:11:16 | 413 |
| Yuma | 05:56:14 | -66.2 | Dark | Down | 70.0 | 113.1 | Up | 05:41:14 - 06:11:14 | 352 |
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 14WS509, (2028/12/19 05:53UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 14.62 124 Alnath 05:26:17.6 +28:36:23 1.6 5.46 136 114 Tau 05:27:38.1 +21:56:13 4.7 1.55 136 PPM 094385 05:27:55.4 +23:17:34 8.4 0.74 136 PPM 094436 05:31:04.4 +23:12:34 9.5 0.05 137 PPM 094438 05:31:05.4 +23:13:03 10.9 0.04 137 14WS509 05:31:09.3 +23:15:06 14.8 137 Positions are for J2000
Event circumstances last updated at 2022/12/26 05:00:55 UT
Marc W. Buie, Southwest Research Institute