Event between (556416) 14OE394 and star GA0700:34227553 with event index number of 2511689
Geocentric closest approach at 2028/08/23 07:16:36 UTC
J2000 position of star is 20:31:52.2 -19:04:30
Equinox of date position of star is 20:33:16.4 -18:59:27
Stellar brightness G=15.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 114 degrees from the moon.
Moon is 12% illuminated.
Apparent brightness V=21.4
[RECON map]
Object is 46.4 AU from the Sun
and 45.5 AU from the Earth.
Apparent velocity is 22.3
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 133 seconds.
The 1-sigma cross-track error in the shadow position is
1840 km.
The sky-plane scale is
33016.0 km/arcsec.
The object has an absolute magnitude Hv=4.7
Diameter=660.7 km assuming a 5% albedo -- 31.1 sec chord
Diameter=269.7 km assuming a 30% albedo -- 12.7 sec chord
Dynamical classification is CLASSICAL
Star training set for 556416, (2028/08/23 07:21UT) Object RA Dec mag sep mel Fomalhaut 22:59:13.4 -29:28:10 1.2 34.67 135 38Zet Sgr 19:04:25.9 -29:50:12 2.7 22.94 92 10Pi Cap 20:28:57.4 -18:06:57 5.2 1.38 114 PPM 237582 20:34:41.6 -19:12:22 8.5 0.36 114 PPM 237535 20:32:39.1 -19:01:50 8.9 0.21 114 556416 20:33:30.7 -18:58:35 15.8 115 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 18.9 km
RECON observability=1.0 and success probability=17.6%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 07:14:58 | -27.2 | Dark | Down | 19.4 | 192.5 | Really Low | 07:03:23 - 07:26:32 | -894 |
| Victoria | 07:15:07 | -28.7 | Dark | Down | 21.9 | 189.7 | Low | 07:03:32 - 07:26:41 | -926 |
| Peachland | 07:14:56 | -28.2 | Dark | Down | 20.2 | 193.2 | Low | 07:03:21 - 07:26:30 | -946 |
| Kelowna | 07:14:55 | -28.1 | Dark | Down | 20.0 | 193.5 | Low | 07:03:21 - 07:26:30 | -948 |
| Summerland | 07:14:55 | -28.3 | Dark | Down | 20.3 | 193.3 | Low | 07:03:21 - 07:26:30 | -955 |
| Penticton | 07:14:55 | -28.4 | Dark | Down | 20.4 | 193.4 | Low | 07:03:20 - 07:26:29 | -960 |
| Oliver | 07:14:55 | -28.8 | Dark | Down | 20.7 | 193.5 | Low | 07:03:20 - 07:26:29 | -976 |
| Anarchist Mountain Observatory | 07:14:54 | -28.9 | Dark | Down | 20.9 | 193.7 | Low | 07:03:20 - 07:26:29 | -988 |
| Okanogan | 07:14:55 | -29.5 | Dark | Down | 21.5 | 193.5 | Low | 07:03:20 - 07:26:29 | -1013 |
| Brewster | 07:14:55 | -29.8 | Dark | Down | 21.8 | 193.3 | Low | 07:03:21 - 07:26:30 | -1022 |
| Manson/Chelan | 07:14:56 | -29.9 | Dark | Down | 22.1 | 193.0 | Low | 07:03:22 - 07:26:31 | -1023 |
| Wenatchee | 07:14:57 | -30.4 | Dark | Down | 22.6 | 192.8 | Low | 07:03:22 - 07:26:31 | -1042 |
| Ellensburg | 07:14:57 | -30.7 | Dark | Down | 23.0 | 192.7 | Low | 07:03:23 - 07:26:32 | -1057 |
| Yakima | 07:14:57 | -31.1 | Dark | Down | 23.4 | 192.7 | Low | 07:03:23 - 07:26:32 | -1077 |
| Toppenish/White Swan | 07:14:57 | -31.4 | Dark | Down | 23.6 | 192.9 | Low | 07:03:22 - 07:26:31 | -1091 |
| The Dalles | 07:14:59 | -32.0 | Dark | Down | 24.5 | 192.2 | Low | 07:03:25 - 07:26:34 | -1112 |
| Maupin | 07:14:58 | -32.4 | Dark | Down | 24.9 | 192.3 | Low | 07:03:24 - 07:26:33 | -1136 |
| PNWRO | 07:14:52 | -31.9 | Dark | Down | 23.7 | 194.4 | Low | 07:03:17 - 07:26:26 | -1143 |
| Sleaford | 07:14:19 | -26.7 | Dark | Down | 15.1 | 206.2 | Really Low | 07:02:45 - 07:25:54 | -1152 |
| Sisters | 07:15:00 | -33.1 | Dark | Down | 25.8 | 191.9 | Low | 07:03:26 - 07:26:35 | -1170 |
| Bend | 07:14:59 | -33.4 | Dark | Down | 26.0 | 192.2 | Low | 07:03:25 - 07:26:34 | -1188 |
| Oregon Observatory | 07:15:00 | -33.6 | Dark | Down | 26.2 | 192.1 | Low | 07:03:25 - 07:26:34 | -1194 |
| Chiloquin | 07:15:01 | -34.7 | Dark | Down | 27.5 | 191.8 | Low | 07:03:26 - 07:26:35 | -1256 |
| Klamath Falls | 07:15:00 | -35.1 | Dark | Down | 27.8 | 191.9 | Low | 07:03:26 - 07:26:35 | -1277 |
| Fall River/Burney | 07:14:59 | -36.3 | Dark | Down | 28.9 | 192.4 | Low | 07:03:25 - 07:26:34 | -1353 |
| Cedarville | 07:14:55 | -36.1 | Dark | Down | 28.3 | 193.6 | Low | 07:03:20 - 07:26:29 | -1354 |
| Greenville | 07:14:58 | -37.3 | Dark | Down | 29.8 | 193.0 | Low | 07:03:23 - 07:26:32 | -1417 |
| Gimple | 07:14:57 | -37.3 | Dark | Down | 29.7 | 193.1 | Low | 07:03:23 - 07:26:32 | -1419 |
| Quincy | 07:14:58 | -37.5 | Dark | Down | 29.9 | 193.0 | Low | 07:03:23 - 07:26:32 | -1429 |
| Portola | 07:14:56 | -37.7 | Dark | Down | 30.0 | 193.6 | Low | 07:03:21 - 07:26:30 | -1448 |
| Reno | 07:14:54 | -38.1 | Dark | Down | 30.1 | 194.3 | Up | 07:03:19 - 07:26:28 | -1480 |
| Carson City | 07:14:53 | -38.4 | Dark | Down | 30.5 | 194.4 | Up | 07:03:19 - 07:26:28 | -1503 |
| Gardnerville | 07:14:53 | -38.7 | Dark | Down | 30.7 | 194.4 | Up | 07:03:18 - 07:26:27 | -1519 |
| Yerington | 07:14:51 | -38.7 | Dark | Down | 30.5 | 195.1 | Up | 07:03:16 - 07:26:25 | -1531 |
| Hawthorne | 07:14:49 | -39.3 | Dark | Down | 30.9 | 195.7 | Up | 07:03:15 - 07:26:24 | -1573 |
| Lee Vining | 07:14:51 | -39.7 | Dark | Down | 31.5 | 195.3 | Up | 07:03:16 - 07:26:25 | -1595 |
| Bishop | 07:14:48 | -40.5 | Dark | Down | 31.9 | 196.1 | Up | 07:03:14 - 07:26:23 | -1653 |
| Beatty | 07:14:42 | -41.2 | Dark | Down | 32.0 | 198.0 | Up | 07:03:08 - 07:26:17 | -1727 |
| Dunrhomin | 07:14:05 | -38.5 | Dark | Down | 25.4 | 208.9 | Low | 07:02:30 - 07:25:39 | -1837 |
| Nikitin | 07:14:05 | -38.6 | Dark | Down | 25.6 | 208.9 | Low | 07:02:30 - 07:25:39 | -1848 |
| CU-SBO | 07:14:05 | -38.7 | Dark | Down | 25.6 | 208.8 | Low | 07:02:30 - 07:25:39 | -1850 |
| Wildwood | 07:14:49 | -43.6 | Dark | Down | 35.1 | 196.5 | Up | 07:03:15 - 07:26:24 | -1866 |
| Laughlin/Bullhead City | 07:14:34 | -43.2 | Dark | Down | 33.1 | 200.6 | Up | 07:03:00 - 07:26:09 | -1905 |
| Patrick | 07:14:32 | -43.0 | Dark | Down | 32.6 | 201.3 | Up | 07:02:57 - 07:26:06 | -1908 |
| Idyllwild | 07:14:42 | -44.3 | Dark | Down | 35.0 | 198.7 | Up | 07:03:07 - 07:26:16 | -1942 |
| Lake Havasu City | 07:14:33 | -43.9 | Dark | Down | 33.6 | 201.1 | Up | 07:02:58 - 07:26:07 | -1959 |
| Calipatria | 07:14:37 | -45.1 | Dark | Down | 35.3 | 200.1 | Up | 07:03:03 - 07:26:12 | -2020 |
| Yuma | 07:14:34 | -45.6 | Dark | Down | 35.4 | 201.2 | Up | 07:03:00 - 07:26:09 | -2077 |
| George/Scottsdale | 07:14:24 | -44.9 | Dark | Down | 33.6 | 203.9 | Up | 07:02:50 - 07:25:59 | -2086 |
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 556416, (2028/08/23 07:21UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 34.67 135 38Zet Sgr 19:02:36.7 -29:52:49 2.7 22.94 92 10Pi Cap 20:27:19.2 -18:12:43 5.2 1.38 114 PPM 237582 20:33:03.0 -19:18:19 8.5 0.36 114 PPM 237535 20:31:00.5 -19:07:43 8.9 0.21 114 556416 20:31:52.2 -19:04:30 15.8 114 Positions are for J2000
Event circumstances last updated at 2024/06/24 21:33:51 UT
Marc W. Buie, Southwest Research Institute