Event between (523764) 14WC510 and star GA0900:02998886 with event index number of 2681450
Geocentric closest approach at 2028/12/30 10:28:44 UTC
J2000 position of star is 07:42:55.1 +01:17:32
Equinox of date position of star is 07:44:10.1 +01:14:01
Stellar brightness G=15.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 40 degrees from the moon.
Moon is 98% illuminated.
Apparent brightness V=22.0
[RECON map]
Object is 29.6 AU from the Sun
and 28.7 AU from the Earth.
Apparent velocity is 22.8
km/sec on the sky relative to the star, or,
3.9 arcsec/hr.
The 1-sigma error in the time of the event is 196 seconds.
The 1-sigma cross-track error in the shadow position is
1399 km.
The sky-plane scale is
20826.3 km/arcsec.
The object has an absolute magnitude Hv=7.2
Diameter=212.8 km assuming a 5% albedo -- 9.4 sec chord
Diameter=86.9 km assuming a 30% albedo -- 3.8 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 523764, (2028/12/30 10:35UT) Object RA Dec mag sep mel Sirius 06:46:25.8 -16:45:20 -1.5 22.97 46 Alhena 06:39:23.2 +16:22:19 1.9 22.05 18 13Zet CMi 07:53:12.2 +01:41:27 5.1 2.25 41 PPM 153185 07:44:38.5 +00:58:15 8.1 0.26 40 523764 07:44:25.0 +01:13:18 15.6 40 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
4.6 sigma about the mid-time.
The median site spacing is 26.7 km
RECON observability=1.0 and success probability=38.9%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 10:27:21 | -42.2 | Dark | Up | 31.6 | 221.8 | Up | 10:12:21 - 10:42:21 | 8 |
| Kamloops | 10:27:57 | -50.9 | Dark | Up | 37.7 | 206.0 | Up | 10:12:57 - 10:42:57 | -155 |
| Kelowna | 10:27:53 | -50.8 | Dark | Up | 38.2 | 207.3 | Up | 10:12:53 - 10:42:53 | -208 |
| Peachland | 10:27:54 | -51.0 | Dark | Up | 38.4 | 207.0 | Up | 10:12:54 - 10:42:54 | -218 |
| Summerland | 10:27:54 | -51.0 | Dark | Up | 38.5 | 207.2 | Up | 10:12:54 - 10:42:54 | -228 |
| Penticton | 10:27:53 | -51.0 | Dark | Up | 38.5 | 207.3 | Up | 10:12:53 - 10:42:53 | -232 |
| Oliver | 10:27:53 | -51.2 | Dark | Up | 38.8 | 207.5 | Up | 10:12:53 - 10:42:53 | -258 |
| Anarchist Mountain Observatory | 10:27:52 | -51.1 | Dark | Up | 38.9 | 207.8 | Up | 10:12:52 - 10:42:52 | -269 |
| Okanogan | 10:27:52 | -51.6 | Dark | Up | 39.6 | 207.7 | Up | 10:12:52 - 10:42:52 | -317 |
| Victoria | 10:28:03 | -53.7 | Dark | Up | 40.5 | 203.0 | Up | 10:13:03 - 10:43:03 | -325 |
| Brewster | 10:27:52 | -51.8 | Dark | Up | 39.9 | 207.6 | Up | 10:12:52 - 10:42:52 | -338 |
| Manson/Chelan | 10:27:53 | -52.1 | Dark | Up | 40.2 | 207.2 | Up | 10:12:53 - 10:42:53 | -356 |
| Wenatchee | 10:27:52 | -52.5 | Dark | Up | 40.6 | 207.2 | Up | 10:12:52 - 10:42:52 | -392 |
| Ellensburg | 10:27:53 | -52.8 | Dark | Up | 41.1 | 207.1 | Up | 10:12:53 - 10:42:53 | -424 |
| Yakima | 10:27:52 | -53.0 | Dark | Up | 41.4 | 207.2 | Up | 10:12:52 - 10:42:52 | -455 |
| Toppenish/White Swan | 10:27:51 | -53.0 | Dark | Up | 41.6 | 207.5 | Up | 10:12:51 - 10:42:51 | -471 |
| PNWRO | 10:27:46 | -52.2 | Dark | Up | 41.4 | 209.5 | Up | 10:12:46 - 10:42:46 | -491 |
| The Dalles | 10:27:53 | -53.8 | Dark | Up | 42.5 | 206.8 | Up | 10:12:53 - 10:42:53 | -535 |
| Maupin | 10:27:52 | -53.9 | Dark | Up | 42.9 | 207.1 | Up | 10:12:52 - 10:42:52 | -567 |
| Sisters | 10:27:52 | -54.6 | Dark | Up | 43.8 | 206.9 | Up | 10:12:52 - 10:42:52 | -638 |
| Bend | 10:27:51 | -54.6 | Dark | Up | 43.9 | 207.3 | Up | 10:12:51 - 10:42:51 | -656 |
| Oregon Observatory | 10:27:51 | -54.7 | Dark | Up | 44.1 | 207.2 | Up | 10:12:51 - 10:42:51 | -670 |
| Chiloquin | 10:27:51 | -55.5 | Dark | Up | 45.4 | 207.3 | Up | 10:12:51 - 10:42:51 | -779 |
| Klamath Falls | 10:27:50 | -55.6 | Dark | Up | 45.7 | 207.5 | Up | 10:12:50 - 10:42:50 | -806 |
| Cedarville | 10:27:44 | -54.8 | Dark | Up | 45.8 | 210.0 | Up | 10:12:44 - 10:42:44 | -855 |
| Dunrhomin | 10:26:53 | -44.2 | Dark | Up | 39.6 | 228.5 | Up | 10:11:53 - 10:41:53 | -878 |
| Nikitin | 10:26:53 | -44.2 | Dark | Up | 39.8 | 228.6 | Up | 10:11:53 - 10:41:53 | -893 |
| CU-SBO | 10:26:53 | -44.3 | Dark | Up | 39.9 | 228.5 | Up | 10:11:53 - 10:41:53 | -899 |
| Fall River/Burney | 10:27:47 | -55.8 | Dark | Up | 46.6 | 208.6 | Up | 10:12:47 - 10:42:47 | -902 |
| Gimple | 10:27:45 | -55.7 | Dark | Up | 47.2 | 209.8 | Up | 10:12:45 - 10:42:45 | -976 |
| Greenville | 10:27:45 | -55.8 | Dark | Up | 47.3 | 209.7 | Up | 10:12:45 - 10:42:45 | -976 |
| Quincy | 10:27:45 | -55.8 | Dark | Up | 47.4 | 209.8 | Up | 10:12:45 - 10:42:45 | -993 |
| Portola | 10:27:43 | -55.5 | Dark | Up | 47.4 | 210.5 | Up | 10:12:43 - 10:42:43 | -1001 |
| Reno | 10:27:40 | -55.2 | Dark | Up | 47.3 | 211.5 | Up | 10:12:40 - 10:42:40 | -1020 |
| Carson City | 10:27:39 | -55.2 | Dark | Up | 47.6 | 211.7 | Up | 10:12:39 - 10:42:39 | -1050 |
| Yerington | 10:27:37 | -54.8 | Dark | Up | 47.5 | 212.7 | Up | 10:12:37 - 10:42:37 | -1063 |
| Gardnerville | 10:27:39 | -55.3 | Dark | Up | 47.8 | 212.0 | Up | 10:12:39 - 10:42:39 | -1071 |
| Hawthorne | 10:27:34 | -54.6 | Dark | Up | 47.7 | 213.7 | Up | 10:12:34 - 10:42:34 | -1100 |
| Lee Vining | 10:27:36 | -55.1 | Dark | Up | 48.4 | 213.4 | Up | 10:12:36 - 10:42:36 | -1152 |
| Bishop | 10:27:32 | -54.7 | Dark | Up | 48.6 | 214.7 | Up | 10:12:32 - 10:42:32 | -1200 |
| Beatty | 10:27:26 | -53.5 | Dark | Up | 48.2 | 217.2 | Up | 10:12:26 - 10:42:26 | -1232 |
| Patrick | 10:27:13 | -51.5 | Dark | Up | 47.9 | 221.9 | Up | 10:12:13 - 10:42:13 | -1347 |
| Laughlin/Bullhead City | 10:27:15 | -52.1 | Dark | Up | 48.4 | 221.2 | Up | 10:12:15 - 10:42:15 | -1373 |
| Lake Havasu City | 10:27:14 | -51.9 | Dark | Up | 48.8 | 222.0 | Up | 10:12:14 - 10:42:14 | -1433 |
| George/Scottsdale | 10:27:03 | -50.0 | Dark | Up | 48.0 | 225.6 | Up | 10:12:03 - 10:42:03 | -1488 |
| Wildwood | 10:27:29 | -55.4 | Dark | Up | 51.3 | 216.7 | Up | 10:12:29 - 10:42:29 | -1495 |
| Idyllwild | 10:27:21 | -54.0 | Dark | Up | 50.7 | 219.5 | Up | 10:12:21 - 10:42:21 | -1516 |
| Calipatria | 10:27:16 | -53.1 | Dark | Up | 50.5 | 221.5 | Up | 10:12:16 - 10:42:16 | -1566 |
| Yuma | 10:27:12 | -52.4 | Dark | Up | 50.3 | 223.0 | Up | 10:12:12 - 10:42:12 | -1600 |
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 523764, (2028/12/30 10:35UT) Object RA Dec mag sep mel Sirius 06:45:08.0 -16:43:25 -1.5 22.97 46 Alhena 06:37:42.8 +16:23:56 1.9 22.05 18 13Zet CMi 07:51:42.0 +01:46:01 5.1 2.25 41 PPM 153185 07:43:08.7 +01:02:30 8.1 0.26 40 523764 07:42:55.1 +01:17:32 15.6 40 Positions are for J2000
Event circumstances last updated at 2024/03/08 03:00:34 UT
Marc W. Buie, Southwest Research Institute