Event between (470316) 07OC10 and star GA1020:19154802 with event index number of 2230493
Geocentric closest approach at 2025/10/30 08:23:01 UTC
J2000 position of star is 22:24:35.5 +13:44:54
Equinox of date position of star is 22:25:46.0 +13:52:14
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 37 degrees from the moon.
Moon is 57% illuminated.
Apparent brightness V=21.0
[RECON map]
Object is 36.9 AU from the Sun
and 36.3 AU from the Earth.
Apparent velocity is 15.0
km/sec on the sky relative to the star, or,
2.0 arcsec/hr.
The 1-sigma error in the time of the event is 94 seconds.
The 1-sigma cross-track error in the shadow position is
1481 km.
The sky-plane scale is
26352.9 km/arcsec.
The object has an absolute magnitude Hv=5.2
Diameter=532.1 km assuming a 5% albedo -- 36.0 sec chord
Diameter=217.2 km assuming a 30% albedo -- 14.7 sec chord
Dynamical classification is SCATNEAR
Star training set for 470316, (2025/10/30 08:25UT) Object RA Dec mag sep mel Deneb 20:42:18.8 +45:22:25 1.3 38.35 65 Markab 23:06:03.0 +15:20:41 2.5 9.83 44 31 Peg 22:22:47.4 +12:20:10 5.0 1.72 35 PPM 141364 22:22:44.5 +14:30:04 7.5 0.98 37 PPM 141425 22:25:54.4 +13:57:43 9.5 0.08 37 470316 22:25:51.5 +13:52:48 16.5 37 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 36.9 km
RECON observability=0.9 and success probability=13.4%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 08:16:19 | -47.9 | Dark | Down | 16.4 | 271.5 | Really Low | 08:08:00 - 08:24:38 | -1032 |
| Kamloops | 08:16:44 | -52.7 | Dark | Down | 25.4 | 260.6 | Low | 08:08:25 - 08:25:03 | -1054 |
| Kelowna | 08:16:44 | -53.3 | Dark | Down | 24.9 | 261.7 | Low | 08:08:25 - 08:25:03 | -1156 |
| Peachland | 08:16:44 | -53.5 | Dark | Down | 25.1 | 261.5 | Low | 08:08:25 - 08:25:03 | -1163 |
| Summerland | 08:16:44 | -53.6 | Dark | Down | 25.1 | 261.6 | Low | 08:08:25 - 08:25:03 | -1180 |
| Penticton | 08:16:44 | -53.7 | Dark | Down | 25.0 | 261.8 | Low | 08:08:25 - 08:25:03 | -1189 |
| Victoria | 08:16:54 | -55.1 | Dark | Down | 27.7 | 259.2 | Low | 08:08:35 - 08:25:13 | -1225 |
| Oliver | 08:16:45 | -54.0 | Dark | Down | 25.1 | 261.9 | Low | 08:08:26 - 08:25:04 | -1227 |
| Anarchist Mountain Observatory | 08:16:45 | -54.1 | Dark | Down | 25.0 | 262.2 | Low | 08:08:26 - 08:25:04 | -1248 |
| Okanogan | 08:16:46 | -54.8 | Dark | Down | 25.2 | 262.3 | Low | 08:08:27 - 08:25:05 | -1313 |
| Brewster | 08:16:47 | -55.1 | Dark | Down | 25.4 | 262.3 | Low | 08:08:28 - 08:25:06 | -1339 |
| Manson/Chelan | 08:16:49 | -55.4 | Dark | Down | 25.6 | 262.1 | Low | 08:08:30 - 08:25:08 | -1354 |
| Wenatchee | 08:16:50 | -55.8 | Dark | Down | 25.8 | 262.2 | Low | 08:08:31 - 08:25:09 | -1401 |
| Ellensburg | 08:16:51 | -56.3 | Dark | Down | 26.0 | 262.2 | Low | 08:08:32 - 08:25:10 | -1441 |
| Yakima | 08:16:53 | -56.7 | Dark | Down | 26.1 | 262.4 | Low | 08:08:34 - 08:25:12 | -1484 |
| Toppenish/White Swan | 08:16:53 | -56.9 | Dark | Down | 26.0 | 262.6 | Low | 08:08:34 - 08:25:12 | -1509 |
| PNWRO | 08:16:52 | -56.9 | Dark | Down | 25.0 | 263.9 | Low | 08:08:33 - 08:25:11 | -1575 |
| The Dalles | 08:16:56 | -57.7 | Dark | Down | 26.6 | 262.4 | Low | 08:08:37 - 08:25:15 | -1576 |
| Maupin | 08:16:56 | -58.1 | Dark | Down | 26.6 | 262.7 | Low | 08:08:37 - 08:25:15 | -1622 |
| Sisters | 08:17:00 | -59.1 | Dark | Down | 27.1 | 262.8 | Low | 08:08:41 - 08:25:19 | -1704 |
| Bend | 08:16:59 | -59.3 | Dark | Down | 26.9 | 263.1 | Low | 08:08:40 - 08:25:18 | -1734 |
| Oregon Observatory | 08:17:01 | -59.4 | Dark | Down | 27.0 | 263.1 | Low | 08:08:42 - 08:25:20 | -1750 |
| Chiloquin | 08:17:04 | -60.8 | Dark | Down | 27.5 | 263.5 | Low | 08:08:45 - 08:25:23 | -1877 |
| Klamath Falls | 08:17:05 | -61.1 | Dark | Down | 27.4 | 263.7 | Low | 08:08:46 - 08:25:24 | -1914 |
| Cedarville | 08:17:03 | -61.5 | Dark | Down | 26.3 | 265.2 | Low | 08:08:44 - 08:25:22 | -2018 |
| Fall River/Burney | 08:17:08 | -62.2 | Dark | Down | 27.3 | 264.6 | Low | 08:08:49 - 08:25:27 | -2043 |
| Greenville | 08:17:10 | -63.0 | Dark | Down | 27.0 | 265.4 | Low | 08:08:51 - 08:25:29 | -2144 |
| Gimple | 08:17:09 | -63.0 | Dark | Down | 26.9 | 265.4 | Low | 08:08:50 - 08:25:28 | -2146 |
| Quincy | 08:17:11 | -63.2 | Dark | Down | 27.0 | 265.5 | Low | 08:08:52 - 08:25:30 | -2165 |
| Portola | 08:17:09 | -63.2 | Dark | Down | 26.7 | 265.8 | Low | 08:08:50 - 08:25:28 | -2188 |
| Reno | 08:17:08 | -63.3 | Dark | Down | 26.2 | 266.4 | Low | 08:08:49 - 08:25:27 | -2227 |
| Carson City | 08:17:10 | -63.6 | Dark | Down | 26.2 | 266.6 | Low | 08:08:51 - 08:25:29 | -2264 |
| Gardnerville | 08:17:10 | -63.8 | Dark | Down | 26.2 | 266.8 | Low | 08:08:51 - 08:25:29 | -2290 |
| Yerington | 08:17:10 | -63.6 | Dark | Down | 25.7 | 267.1 | Low | 08:08:51 - 08:25:29 | -2296 |
| Dunrhomin | 08:16:40 | -56.8 | Dark | Down | 15.1 | 275.4 | Really Low | 08:08:21 - 08:24:59 | -2303 |
| Nikitin | 08:16:40 | -56.9 | Dark | Down | 15.1 | 275.5 | Really Low | 08:08:21 - 08:24:59 | -2323 |
| CU-SBO | 08:16:40 | -57.0 | Dark | Down | 15.1 | 275.4 | Really Low | 08:08:21 - 08:24:59 | -2329 |
| Hawthorne | 08:17:08 | -63.9 | Dark | Down | 25.3 | 267.7 | Low | 08:08:49 - 08:25:27 | -2353 |
| Lee Vining | 08:17:13 | -64.6 | Dark | Down | 25.7 | 267.6 | Low | 08:08:54 - 08:25:32 | -2401 |
| Bishop | 08:17:12 | -64.9 | Dark | Down | 25.2 | 268.4 | Low | 08:08:53 - 08:25:31 | -2475 |
| Beatty | 08:17:10 | -64.8 | Dark | Down | 23.9 | 269.6 | Low | 08:08:51 - 08:25:29 | -2549 |
| Patrick | 08:17:09 | -64.8 | Dark | Down | 21.5 | 271.9 | Low | 08:08:50 - 08:25:28 | -2740 |
| Laughlin/Bullhead City | 08:17:10 | -65.4 | Dark | Down | 22.1 | 271.6 | Low | 08:08:51 - 08:25:29 | -2754 |
| Wildwood | 08:17:24 | -67.9 | Dark | Down | 25.3 | 269.8 | Low | 08:09:05 - 08:25:43 | -2795 |
| Lake Havasu City | 08:17:11 | -65.8 | Dark | Down | 21.8 | 272.0 | Low | 08:08:52 - 08:25:30 | -2825 |
| Idyllwild | 08:17:22 | -67.5 | Dark | Down | 23.8 | 271.0 | Low | 08:09:03 - 08:25:41 | -2864 |
| George/Scottsdale | 08:17:11 | -65.2 | Dark | Down | 19.8 | 273.7 | Really Low | 08:08:52 - 08:25:30 | -2930 |
| Calipatria | 08:17:20 | -67.5 | Dark | Down | 22.8 | 271.9 | Low | 08:09:01 - 08:25:39 | -2942 |
| Yuma | 08:17:20 | -67.4 | Dark | Down | 22.0 | 272.6 | Low | 08:09:01 - 08:25:39 | -2997 |
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 470316, (2025/10/30 08:25UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 38.35 65 Markab 23:04:45.8 +15:12:18 2.5 9.83 44 31 Peg 22:21:31.1 +12:12:19 5.0 1.72 35 PPM 141364 22:21:28.8 +14:22:13 7.5 0.98 37 PPM 141425 22:24:38.4 +13:49:49 9.5 0.08 37 470316 22:24:35.5 +13:44:54 16.5 37 Positions are for J2000
Event circumstances last updated at 2023/12/15 05:41:27 UT
Marc W. Buie, Southwest Research Institute