Event between (469506) 03FF128 and star GA0660:12291717 with event index number of 1414177
Geocentric closest approach at 2025/06/01 09:45:19 UTC
J2000 position of star is 17:22:35.8 -22:47:38
Equinox of date position of star is 17:24:03.6 -22:48:55
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 121 degrees from the moon.
Moon is 33% illuminated.
Apparent brightness V=21.8
[RECON map]
Object is 31.0 AU from the Sun
and 30.0 AU from the Earth.
Apparent velocity is 22.9
km/sec on the sky relative to the star, or,
3.8 arcsec/hr.
The 1-sigma error in the time of the event is 223 seconds.
The 1-sigma cross-track error in the shadow position is
1432 km.
The sky-plane scale is
21768.9 km/arcsec.
The object has an absolute magnitude Hv=6.9
Diameter=254.7 km assuming a 5% albedo -- 11.0 sec chord
Diameter=104.0 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is 3:2E
Star training set for 469506, (2025/06/01 09:45UT) Object RA Dec mag sep mel Antares 16:30:58.2 -26:29:10 0.9 12.62 109 35Eta Oph 17:11:50.3 -15:45:17 2.6 7.63 117 PPM 266825 17:26:13.4 -21:27:47 6.1 1.44 121 PPM 266748 17:23:21.2 -22:46:30 8.2 0.18 120 PPM 266800 17:24:50.0 -22:47:57 9.8 0.16 121 469506 17:24:08.1 -22:48:59 16.5 121 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
4.0 sigma about the mid-time.
The median site spacing is 17.3 km
RECON observability=0.7 and success probability=10.2%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 09:44:48 | -13.6 | AT | Down | 15.3 | 194.6 | Really Low | 09:29:48 - 09:59:48 | 2142 |
| Kelowna | 09:44:44 | -14.1 | AT | Down | 15.9 | 195.5 | Really Low | 09:29:44 - 09:59:44 | 2112 |
| Peachland | 09:44:45 | -14.3 | AT | Down | 16.1 | 195.2 | Really Low | 09:29:45 - 09:59:45 | 2110 |
| Summerland | 09:44:45 | -14.4 | AT | Down | 16.2 | 195.3 | Really Low | 09:29:45 - 09:59:45 | 2104 |
| Penticton | 09:44:44 | -14.4 | AT | Down | 16.3 | 195.5 | Really Low | 09:29:44 - 09:59:44 | 2102 |
| Sleaford | 09:44:10 | -7.8 | NT | Down | 10.8 | 207.6 | Really Low | 09:29:10 - 09:59:10 | 2092 |
| Oliver | 09:44:44 | -14.7 | AT | Down | 16.6 | 195.5 | Really Low | 09:29:44 - 09:59:44 | 2090 |
| Anarchist Mountain Observatory | 09:44:43 | -14.8 | AT | Down | 16.7 | 195.7 | Really Low | 09:29:43 - 09:59:43 | 2084 |
| Victoria | 09:44:55 | -16.3 | AT | Down | 17.8 | 191.9 | Really Low | 09:29:55 - 09:59:55 | 2077 |
| Okanogan | 09:44:43 | -15.5 | AT | Down | 17.4 | 195.5 | Really Low | 09:29:43 - 09:59:43 | 2061 |
| Brewster | 09:44:43 | -15.8 | AT | Down | 17.7 | 195.4 | Really Low | 09:29:43 - 09:59:43 | 2052 |
| Manson/Chelan | 09:44:45 | -16.0 | AT | Down | 18.0 | 195.0 | Really Low | 09:29:45 - 09:59:45 | 2046 |
| Wenatchee | 09:44:44 | -16.5 | AT | Down | 18.4 | 194.9 | Really Low | 09:29:44 - 09:59:44 | 2029 |
| Ellensburg | 09:44:45 | -17.0 | AT | Down | 18.9 | 194.7 | Really Low | 09:29:45 - 09:59:45 | 2014 |
| Yakima | 09:44:44 | -17.3 | AT | Down | 19.3 | 194.7 | Really Low | 09:29:44 - 09:59:44 | 1999 |
| Toppenish/White Swan | 09:44:43 | -17.5 | AT | Down | 19.5 | 194.9 | Really Low | 09:29:43 - 09:59:43 | 1989 |
| PNWRO | 09:44:38 | -17.4 | AT | Down | 19.5 | 196.4 | Really Low | 09:29:38 - 09:59:38 | 1969 |
| The Dalles | 09:44:45 | -18.4 | Dark | Down | 20.4 | 194.2 | Low | 09:29:45 - 09:59:45 | 1961 |
| Maupin | 09:44:45 | -18.8 | Dark | Down | 20.7 | 194.4 | Low | 09:29:45 - 09:59:45 | 1943 |
| Sisters | 09:44:45 | -19.7 | Dark | Down | 21.7 | 194.0 | Low | 09:29:45 - 09:59:45 | 1908 |
| Bend | 09:44:44 | -19.9 | Dark | Down | 21.9 | 194.3 | Low | 09:29:44 - 09:59:44 | 1897 |
| Oregon Observatory | 09:44:45 | -20.1 | Dark | Down | 22.1 | 194.1 | Low | 09:29:45 - 09:59:45 | 1890 |
| Chiloquin | 09:44:45 | -21.4 | Dark | Down | 23.4 | 193.9 | Low | 09:29:45 - 09:59:45 | 1833 |
| Klamath Falls | 09:44:44 | -21.7 | Dark | Down | 23.7 | 194.0 | Low | 09:29:44 - 09:59:44 | 1816 |
| Cedarville | 09:44:38 | -21.8 | Dark | Down | 24.1 | 195.6 | Low | 09:29:38 - 09:59:38 | 1778 |
| Fall River/Burney | 09:44:42 | -22.6 | Dark | Down | 24.8 | 194.5 | Low | 09:29:42 - 09:59:42 | 1759 |
| Greenville | 09:44:39 | -23.3 | Dark | Down | 25.6 | 195.0 | Low | 09:29:39 - 09:59:39 | 1713 |
| Gimple | 09:44:40 | -23.3 | Dark | Down | 25.6 | 195.1 | Low | 09:29:40 - 09:59:40 | 1712 |
| Quincy | 09:44:39 | -23.5 | Dark | Down | 25.8 | 195.1 | Low | 09:29:39 - 09:59:39 | 1702 |
| Portola | 09:44:38 | -23.4 | Dark | Down | 25.8 | 195.5 | Low | 09:29:38 - 09:59:38 | 1694 |
| Reno | 09:44:35 | -23.4 | Dark | Down | 25.9 | 196.2 | Low | 09:29:35 - 09:59:35 | 1678 |
| Carson City | 09:44:35 | -23.7 | Dark | Down | 26.3 | 196.3 | Low | 09:29:35 - 09:59:35 | 1660 |
| Gardnerville | 09:44:34 | -23.9 | Dark | Down | 26.5 | 196.4 | Low | 09:29:34 - 09:59:34 | 1647 |
| Yerington | 09:44:32 | -23.7 | Dark | Down | 26.3 | 196.9 | Low | 09:29:32 - 09:59:32 | 1646 |
| Hawthorne | 09:44:30 | -23.9 | Dark | Down | 26.6 | 197.5 | Low | 09:29:30 - 09:59:30 | 1619 |
| Dunrhomin | 09:43:46 | -16.7 | AT | Down | 20.9 | 209.8 | Low | 09:28:46 - 09:58:46 | 1594 |
| Lee Vining | 09:44:31 | -24.6 | Dark | Down | 27.3 | 197.1 | Low | 09:29:31 - 09:59:31 | 1592 |
| Nikitin | 09:43:46 | -16.9 | AT | Down | 21.1 | 209.8 | Low | 09:28:46 - 09:58:46 | 1584 |
| CU-SBO | 09:43:46 | -17.0 | AT | Down | 21.2 | 209.8 | Low | 09:28:46 - 09:58:46 | 1582 |
| Bishop | 09:44:28 | -24.8 | Dark | Down | 27.7 | 197.9 | Low | 09:29:28 - 09:59:28 | 1555 |
| Beatty | 09:44:22 | -24.6 | Dark | Down | 27.7 | 199.6 | Low | 09:29:22 - 09:59:22 | 1520 |
| Patrick | 09:44:09 | -24.7 | Dark | Down | 28.3 | 202.7 | Low | 09:29:09 - 09:59:09 | 1414 |
| Laughlin/Bullhead City | 09:44:12 | -25.2 | Dark | Down | 28.7 | 202.1 | Low | 09:29:12 - 09:59:12 | 1405 |
| Wildwood | 09:44:25 | -27.8 | Dark | Down | 30.9 | 198.3 | Up | 09:29:25 - 09:59:25 | 1367 |
| Lake Havasu City | 09:44:10 | -25.6 | Dark | Down | 29.3 | 202.5 | Low | 09:29:10 - 09:59:10 | 1363 |
| Idyllwild | 09:44:18 | -27.3 | Dark | Down | 30.7 | 200.3 | Up | 09:29:18 - 09:59:18 | 1335 |
| George/Scottsdale | 09:44:00 | -25.1 | Dark | Down | 29.2 | 205.0 | Low | 09:29:00 - 09:59:00 | 1294 |
| Calipatria | 09:44:13 | -27.3 | Dark | Down | 30.9 | 201.6 | Up | 09:29:13 - 09:59:13 | 1288 |
| Yuma | 09:44:09 | -27.3 | Dark | Down | 31.0 | 202.6 | Up | 09:29:09 - 09:59:09 | 1254 |
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 469506, (2025/06/01 09:45UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 12.62 109 35Eta Oph 17:10:22.7 -15:43:29 2.6 7.63 117 PPM 266825 17:24:42.0 -21:26:30 6.1 1.44 121 PPM 266748 17:21:48.9 -22:45:07 8.2 0.18 120 PPM 266800 17:23:17.8 -22:46:37 9.8 0.16 121 469506 17:22:35.8 -22:47:38 16.5 121 Positions are for J2000
Event circumstances last updated at 2024/03/02 06:15:57 UT
Marc W. Buie, Southwest Research Institute