Event between (470596) 08NW4 and star GA0980:18133399 with event index number of 2270468
Geocentric closest approach at 2026/09/16 09:04:43 UTC
J2000 position of star is 22:04:41.4 +08:34:40
Equinox of date position of star is 22:05:52.3 +08:41:39
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 101 degrees from the moon.
Moon is 27% illuminated.
Apparent brightness V=21.4
[RECON map]
Object is 36.7 AU from the Sun
and 35.8 AU from the Earth.
Apparent velocity is 23.1
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 74 seconds.
The 1-sigma cross-track error in the shadow position is
1639 km.
The sky-plane scale is
25945.7 km/arcsec.
The object has an absolute magnitude Hv=5.7
Diameter=424.6 km assuming a 5% albedo -- 18.8 sec chord
Diameter=173.4 km assuming a 30% albedo -- 7.7 sec chord
Dynamical classification is SCATNEAR
Star training set for 470596, (2026/09/16 09:07UT) Object RA Dec mag sep mel Markab 23:06:05.6 +15:20:58 2.5 16.11 117 18 Peg 22:01:27.9 +06:50:48 5.8 2.18 100 PPM 172579 22:03:58.5 +08:38:39 8.4 0.51 101 PPM 172634 22:06:41.7 +08:55:14 9.8 0.27 102 PPM 172642 22:07:00.3 +08:40:38 11.3 0.25 102 470596 22:06:00.9 +08:42:30 16.7 102 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 31.1 km
RECON observability=1.0 and success probability=0.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 09:01:44 | -34.9 | Dark | Down | 36.9 | 231.5 | Up | 08:55:02 - 09:08:26 | 8911 |
| Sleaford | 09:01:16 | -29.5 | Dark | Down | 28.6 | 244.9 | Low | 08:54:34 - 09:07:58 | 8847 |
| Kelowna | 09:01:41 | -35.5 | Dark | Down | 37.0 | 232.9 | Up | 08:54:59 - 09:08:23 | 8818 |
| Peachland | 09:01:42 | -35.7 | Dark | Down | 37.2 | 232.6 | Up | 08:55:00 - 09:08:24 | 8812 |
| Summerland | 09:01:41 | -35.8 | Dark | Down | 37.2 | 232.8 | Up | 08:54:59 - 09:08:23 | 8796 |
| Penticton | 09:01:41 | -35.8 | Dark | Down | 37.2 | 233.0 | Up | 08:54:59 - 09:08:23 | 8788 |
| Victoria | 09:01:50 | -37.6 | Dark | Down | 39.8 | 229.5 | Up | 08:55:08 - 09:08:32 | 8763 |
| Oliver | 09:01:40 | -36.2 | Dark | Down | 37.4 | 233.2 | Up | 08:54:58 - 09:08:22 | 8754 |
| Anarchist Mountain Observatory | 09:01:40 | -36.3 | Dark | Down | 37.4 | 233.5 | Up | 08:54:58 - 09:08:22 | 8734 |
| Okanogan | 09:01:41 | -36.9 | Dark | Down | 37.9 | 233.7 | Up | 08:54:59 - 09:08:23 | 8675 |
| Brewster | 09:01:40 | -37.2 | Dark | Down | 38.2 | 233.6 | Up | 08:54:58 - 09:08:22 | 8652 |
| Manson/Chelan | 09:01:41 | -37.5 | Dark | Down | 38.5 | 233.4 | Up | 08:54:59 - 09:08:23 | 8639 |
| Wenatchee | 09:01:42 | -38.0 | Dark | Down | 38.9 | 233.5 | Up | 08:55:00 - 09:08:24 | 8595 |
| Ellensburg | 09:01:42 | -38.4 | Dark | Down | 39.3 | 233.5 | Up | 08:55:00 - 09:08:24 | 8559 |
| Yakima | 09:01:43 | -38.8 | Dark | Down | 39.5 | 233.8 | Up | 08:55:01 - 09:08:25 | 8519 |
| Toppenish/White Swan | 09:01:41 | -39.0 | Dark | Down | 39.6 | 234.1 | Up | 08:54:59 - 09:08:23 | 8495 |
| The Dalles | 09:01:43 | -39.9 | Dark | Down | 40.5 | 233.8 | Up | 08:55:01 - 09:08:25 | 8433 |
| PNWRO | 09:01:37 | -38.9 | Dark | Down | 38.9 | 235.9 | Up | 08:54:55 - 09:08:19 | 8430 |
| Maupin | 09:01:43 | -40.3 | Dark | Down | 40.6 | 234.2 | Up | 08:55:01 - 09:08:25 | 8390 |
| Sisters | 09:01:43 | -41.2 | Dark | Down | 41.4 | 234.3 | Up | 08:55:01 - 09:08:25 | 8312 |
| Bend | 09:01:44 | -41.4 | Dark | Down | 41.4 | 234.8 | Up | 08:55:02 - 09:08:26 | 8283 |
| Oregon Observatory | 09:01:43 | -41.6 | Dark | Down | 41.6 | 234.7 | Up | 08:55:01 - 09:08:25 | 8268 |
| Chiloquin | 09:01:44 | -42.9 | Dark | Down | 42.6 | 235.3 | Up | 08:55:02 - 09:08:26 | 8145 |
| Klamath Falls | 09:01:44 | -43.2 | Dark | Down | 42.7 | 235.6 | Up | 08:55:02 - 09:08:26 | 8108 |
| Cedarville | 09:01:39 | -43.4 | Dark | Down | 42.1 | 237.8 | Up | 08:54:57 - 09:08:21 | 8004 |
| Fall River/Burney | 09:01:43 | -44.2 | Dark | Down | 43.2 | 236.9 | Up | 08:55:01 - 09:08:25 | 7981 |
| Greenville | 09:01:42 | -44.9 | Dark | Down | 43.4 | 238.1 | Up | 08:55:00 - 09:08:24 | 7878 |
| Gimple | 09:01:42 | -44.9 | Dark | Down | 43.3 | 238.2 | Up | 08:55:00 - 09:08:24 | 7876 |
| Quincy | 09:01:41 | -45.1 | Dark | Down | 43.5 | 238.3 | Up | 08:54:59 - 09:08:23 | 7857 |
| Portola | 09:01:40 | -45.1 | Dark | Down | 43.2 | 238.9 | Up | 08:54:58 - 09:08:22 | 7834 |
| Reno | 09:01:39 | -45.1 | Dark | Down | 42.9 | 239.7 | Up | 08:54:57 - 09:08:21 | 7793 |
| Carson City | 09:01:38 | -45.4 | Dark | Down | 43.1 | 240.0 | Up | 08:54:56 - 09:08:20 | 7756 |
| Gardnerville | 09:01:38 | -45.7 | Dark | Down | 43.2 | 240.3 | Up | 08:54:56 - 09:08:20 | 7729 |
| Yerington | 09:01:37 | -45.4 | Dark | Down | 42.8 | 240.8 | Up | 08:54:55 - 09:08:19 | 7722 |
| Hawthorne | 09:01:36 | -45.7 | Dark | Down | 42.6 | 241.7 | Up | 08:54:54 - 09:08:18 | 7663 |
| Dunrhomin | 09:01:03 | -38.5 | Dark | Down | 32.5 | 252.1 | Up | 08:54:21 - 09:07:45 | 7622 |
| Lee Vining | 09:01:37 | -46.3 | Dark | Down | 43.2 | 241.7 | Up | 08:54:55 - 09:08:19 | 7614 |
| Nikitin | 09:01:03 | -38.6 | Dark | Down | 32.6 | 252.2 | Up | 08:54:21 - 09:07:45 | 7602 |
| CU-SBO | 09:01:04 | -38.7 | Dark | Down | 32.6 | 252.2 | Up | 08:54:22 - 09:07:46 | 7596 |
| Bishop | 09:01:35 | -46.6 | Dark | Down | 43.0 | 242.9 | Up | 08:54:53 - 09:08:17 | 7536 |
| Beatty | 09:01:31 | -46.4 | Dark | Down | 42.1 | 244.8 | Up | 08:54:49 - 09:08:13 | 7454 |
| Patrick | 09:01:23 | -46.5 | Dark | Down | 40.5 | 248.5 | Up | 08:54:41 - 09:08:05 | 7240 |
| Laughlin/Bullhead City | 09:01:24 | -47.0 | Dark | Down | 41.2 | 248.1 | Up | 08:54:42 - 09:08:06 | 7228 |
| Wildwood | 09:01:36 | -49.6 | Dark | Down | 44.6 | 245.5 | Up | 08:54:54 - 09:08:18 | 7196 |
| Lake Havasu City | 09:01:24 | -47.4 | Dark | Down | 41.2 | 248.8 | Up | 08:54:42 - 09:08:06 | 7151 |
| Idyllwild | 09:01:31 | -49.1 | Dark | Down | 43.3 | 247.5 | Up | 08:54:49 - 09:08:13 | 7118 |
| Calipatria | 09:01:28 | -49.1 | Dark | Down | 42.6 | 249.0 | Up | 08:54:46 - 09:08:10 | 7028 |
| George/Scottsdale | 09:01:17 | -46.9 | Dark | Down | 39.6 | 251.4 | Up | 08:54:35 - 09:07:59 | 7022 |
| Yuma | 09:01:25 | -49.1 | Dark | Down | 42.1 | 250.1 | Up | 08:54:43 - 09:08:07 | 6964 |
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 470596, (2026/09/16 09:07UT) Object RA Dec mag sep mel Markab 23:04:45.8 +15:12:18 2.5 16.11 117 18 Peg 22:00:07.9 +06:43:03 5.8 2.18 100 PPM 172579 22:02:39.0 +08:30:51 8.4 0.51 101 PPM 172634 22:05:22.2 +08:47:23 9.8 0.27 102 PPM 172642 22:05:40.7 +08:32:48 11.3 0.25 102 470596 22:04:41.4 +08:34:40 16.7 101 Positions are for J2000
Event circumstances last updated at 2023/10/25 01:50:35 UT
Marc W. Buie, Southwest Research Institute