Event between (363401) 03LB7 and star GA0640:20471747 with event index number of 1922506
Geocentric closest approach at 2028/07/22 05:20:02 UTC
J2000 position of star is 17:48:37.8 -24:52:29
Equinox of date position of star is 17:50:08.2 -24:52:52
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 146 degrees from the moon.
Moon is 0% illuminated.
Apparent brightness V=23.0
[RECON map]
Object is 42.2 AU from the Sun
and 41.4 AU from the Earth.
Apparent velocity is 20.0
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 775 seconds.
The 1-sigma cross-track error in the shadow position is
2710 km.
The sky-plane scale is
30006.4 km/arcsec.
The object has an absolute magnitude Hv=6.7
Diameter=275.4 km assuming a 5% albedo -- 13.7 sec chord
Diameter=112.4 km assuming a 30% albedo -- 5.6 sec chord
Dynamical classification is CLASSICAL
Star training set for 363401, (2028/07/22 05:20UT) Object RA Dec mag sep mel Antares 16:31:09.8 -26:29:34 0.9 17.90 128 35Eta Oph 17:12:01.1 -15:45:30 2.6 12.80 136 PPM 267497 17:56:39.6 -24:53:24 6.4 1.42 148 PPM 267390 17:52:15.1 -24:51:33 7.8 0.42 147 PPM 267348 17:50:55.9 -24:50:28 9.7 0.13 146 363401 17:50:23.3 -24:52:55 16.1 147 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
1.2 sigma about the mid-time.
The median site spacing is 15.5 km
RECON observability=0.6 and success probability=4.9%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 05:19:47 | -13.8 | AT | Down | 12.8 | 186.8 | Really Low | 05:04:47 - 05:34:47 | 2517 |
| Kamloops | 05:20:36 | -10.2 | NT | Down | 14.2 | 173.6 | Really Low | 05:05:36 - 05:35:36 | 2449 |
| Kelowna | 05:20:33 | -11.2 | NT | Down | 15.1 | 174.4 | Really Low | 05:05:33 - 05:35:33 | 2430 |
| Peachland | 05:20:34 | -11.1 | NT | Down | 15.2 | 174.1 | Really Low | 05:05:34 - 05:35:34 | 2425 |
| Summerland | 05:20:33 | -11.3 | NT | Down | 15.3 | 174.2 | Really Low | 05:05:33 - 05:35:33 | 2421 |
| Penticton | 05:20:33 | -11.4 | NT | Down | 15.4 | 174.3 | Really Low | 05:05:33 - 05:35:33 | 2420 |
| Oliver | 05:20:33 | -11.7 | NT | Down | 15.7 | 174.3 | Really Low | 05:05:33 - 05:35:33 | 2409 |
| Anarchist Mountain Observatory | 05:20:32 | -11.9 | NT | Down | 15.9 | 174.4 | Really Low | 05:05:32 - 05:35:32 | 2405 |
| Okanogan | 05:20:34 | -12.3 | AT | Down | 16.6 | 174.2 | Really Low | 05:05:34 - 05:35:34 | 2383 |
| Brewster | 05:20:35 | -12.4 | AT | Down | 16.8 | 174.0 | Really Low | 05:05:35 - 05:35:35 | 2373 |
| Manson/Chelan | 05:20:36 | -12.4 | AT | Down | 17.0 | 173.7 | Really Low | 05:05:36 - 05:35:36 | 2364 |
| Victoria | 05:20:48 | -10.5 | NT | Down | 16.1 | 170.7 | Really Low | 05:05:48 - 05:35:48 | 2362 |
| Wenatchee | 05:20:37 | -12.7 | AT | Down | 17.5 | 173.5 | Really Low | 05:05:37 - 05:35:37 | 2346 |
| Ellensburg | 05:20:38 | -12.9 | AT | Down | 17.8 | 173.3 | Really Low | 05:05:38 - 05:35:38 | 2331 |
| Yakima | 05:20:38 | -13.2 | AT | Down | 18.2 | 173.2 | Really Low | 05:05:38 - 05:35:38 | 2316 |
| Toppenish/White Swan | 05:20:38 | -13.5 | AT | Down | 18.5 | 173.4 | Really Low | 05:05:38 - 05:35:38 | 2309 |
| PNWRO | 05:20:32 | -14.4 | AT | Down | 18.9 | 174.8 | Really Low | 05:05:32 - 05:35:32 | 2305 |
| The Dalles | 05:20:41 | -13.7 | AT | Down | 19.2 | 172.6 | Really Low | 05:05:41 - 05:35:41 | 2275 |
| Maupin | 05:20:41 | -14.1 | AT | Down | 19.6 | 172.7 | Really Low | 05:05:41 - 05:35:41 | 2260 |
| Sisters | 05:20:43 | -14.5 | AT | Down | 20.4 | 172.2 | Low | 05:05:43 - 05:35:43 | 2223 |
| Bend | 05:20:42 | -14.8 | AT | Down | 20.7 | 172.4 | Low | 05:05:42 - 05:35:42 | 2215 |
| Oregon Observatory | 05:20:43 | -14.9 | AT | Down | 20.9 | 172.3 | Low | 05:05:43 - 05:35:43 | 2207 |
| Chiloquin | 05:20:45 | -15.7 | AT | Down | 22.1 | 171.8 | Low | 05:05:45 - 05:35:45 | 2149 |
| Klamath Falls | 05:20:45 | -16.0 | AT | Down | 22.5 | 171.9 | Low | 05:05:45 - 05:35:45 | 2134 |
| Cedarville | 05:20:39 | -17.3 | AT | Down | 23.3 | 173.4 | Low | 05:05:39 - 05:35:39 | 2115 |
| Dunrhomin | 05:19:37 | -24.6 | Dark | Down | 24.4 | 188.0 | Low | 05:04:37 - 05:34:37 | 2091 |
| Fall River/Burney | 05:20:44 | -17.0 | AT | Down | 23.7 | 172.2 | Low | 05:05:44 - 05:35:44 | 2084 |
| Nikitin | 05:19:37 | -24.8 | Dark | Down | 24.6 | 188.0 | Low | 05:04:37 - 05:34:37 | 2082 |
| CU-SBO | 05:19:37 | -24.8 | Dark | Down | 24.7 | 188.0 | Low | 05:04:37 - 05:34:37 | 2079 |
| Gimple | 05:20:42 | -18.0 | AT | Down | 24.6 | 172.7 | Low | 05:05:42 - 05:35:42 | 2046 |
| Greenville | 05:20:43 | -17.9 | AT | Down | 24.6 | 172.6 | Low | 05:05:43 - 05:35:43 | 2045 |
| Quincy | 05:20:43 | -18.1 | Dark | Down | 24.8 | 172.6 | Low | 05:05:43 - 05:35:43 | 2035 |
| Portola | 05:20:41 | -18.4 | Dark | Down | 25.0 | 173.0 | Low | 05:05:41 - 05:35:41 | 2033 |
| Reno | 05:20:38 | -18.9 | Dark | Down | 25.3 | 173.6 | Low | 05:05:38 - 05:35:38 | 2025 |
| Carson City | 05:20:38 | -19.2 | Dark | Down | 25.7 | 173.7 | Low | 05:05:38 - 05:35:38 | 2008 |
| Yerington | 05:20:36 | -19.7 | Dark | Down | 25.9 | 174.3 | Low | 05:05:36 - 05:35:36 | 2002 |
| Gardnerville | 05:20:38 | -19.4 | Dark | Down | 25.9 | 173.7 | Low | 05:05:38 - 05:35:38 | 1996 |
| Hawthorne | 05:20:33 | -20.3 | Dark | Down | 26.4 | 174.8 | Low | 05:05:33 - 05:35:33 | 1982 |
| Lee Vining | 05:20:36 | -20.5 | Dark | Down | 26.9 | 174.3 | Low | 05:05:36 - 05:35:36 | 1951 |
| Bishop | 05:20:32 | -21.3 | Dark | Down | 27.6 | 175.0 | Low | 05:05:32 - 05:35:32 | 1924 |
| Beatty | 05:20:26 | -22.5 | Dark | Down | 28.1 | 176.6 | Low | 05:05:26 - 05:35:26 | 1909 |
| Patrick | 05:20:13 | -25.1 | Dark | Down | 29.7 | 179.5 | Low | 05:05:13 - 05:35:13 | 1840 |
| Laughlin/Bullhead City | 05:20:16 | -24.9 | Dark | Down | 29.9 | 178.8 | Low | 05:05:16 - 05:35:16 | 1824 |
| Lake Havasu City | 05:20:15 | -25.6 | Dark | Down | 30.6 | 179.0 | Up | 05:05:15 - 05:35:15 | 1787 |
| George/Scottsdale | 05:20:04 | -27.4 | Dark | Down | 31.4 | 181.6 | Up | 05:05:04 - 05:35:04 | 1750 |
| Wildwood | 05:20:34 | -23.7 | Dark | Down | 30.8 | 174.6 | Up | 05:05:34 - 05:35:34 | 1743 |
| Idyllwild | 05:20:26 | -25.0 | Dark | Down | 31.3 | 176.5 | Up | 05:05:26 - 05:35:26 | 1734 |
| Calipatria | 05:20:21 | -26.0 | Dark | Down | 32.0 | 177.7 | Up | 05:05:21 - 05:35:21 | 1703 |
| Yuma | 05:20:16 | -26.8 | Dark | Down | 32.4 | 178.7 | Up | 05:05:16 - 05:35:16 | 1681 |
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 363401, (2028/07/22 05:20UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 17.90 128 35Eta Oph 17:10:22.7 -15:43:29 2.6 12.80 136 PPM 267497 17:54:54.1 -24:53:13 6.4 1.42 148 PPM 267390 17:50:29.7 -24:51:11 7.8 0.42 147 PPM 267348 17:49:10.5 -24:50:04 9.7 0.13 146 363401 17:48:37.8 -24:52:29 16.1 146 Positions are for J2000
Event circumstances last updated at 2024/06/24 21:33:19 UT
Marc W. Buie, Southwest Research Institute