Event between (470309) 07JK43 and star GA1060:07150156 with event index number of 1505383
Geocentric closest approach at 2026/05/29 07:41:03 UTC
J2000 position of star is 18:56:26.4 +16:41:29
Equinox of date position of star is 18:57:22.3 +16:43:12
Stellar brightness G=14.9,
use SENSEUP=128
Star is 72 degrees from the moon.
Moon is 96% illuminated.
TNO apparent brightness V=24.4
[RECON map]
TNO is 26.8 AU from the Sun
and 26.2 AU from the Earth.
The TNO is moving 22.1
km/sec on the sky relative to the star, or,
4.2 arcsec/hr.
The 1-sigma error in the time of the event is 68 seconds.
The 1-sigma cross-track error in the shadow position is
1404 km.
The sky-plane scale is
18993.4 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=209.9 km assuming a 5% albedo -- 2.7 sec chord
Diameter=85.7 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURR
Star training set for 470309, (2026/05/29 07:41UT) Object RA Dec mag sep mel Vega 18:37:49.9 +38:48:33 0.0 22.50 81 Tarazed 19:47:30.9 +10:40:46 2.7 13.54 80 PPM 135550 18:59:25.3 +17:23:53 6.2 0.80 73 PPM 135496 18:57:15.8 +16:48:37 9.1 0.12 72 470309 18:57:37.3 +16:43:40 14.9 72 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 23.0 km
RECON observability=1.0 and success probability=25.9%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Clarence Fulton | 07:44:20 | -18.1 | Dark | Up | 43.4 | 121.2 | Up | 07:38:12 - 07:50:28 | -618 |
| Kelowna | 07:44:20 | -18.5 | Dark | Up | 43.5 | 120.7 | Up | 07:38:12 - 07:50:28 | -661 |
| Peachland | 07:44:21 | -18.6 | Dark | Up | 43.4 | 120.3 | Up | 07:38:13 - 07:50:29 | -678 |
| Summerland | 07:44:20 | -18.7 | Dark | Up | 43.5 | 120.3 | Up | 07:38:12 - 07:50:28 | -692 |
| Penticton | 07:44:20 | -18.8 | Dark | Up | 43.6 | 120.3 | Up | 07:38:12 - 07:50:28 | -697 |
| Oliver | 07:44:20 | -19.1 | Dark | Up | 43.8 | 120.0 | Up | 07:38:12 - 07:50:28 | -733 |
| Anarchist Mountain Observatory | 07:44:20 | -19.3 | Dark | Up | 44.0 | 120.1 | Up | 07:38:12 - 07:50:28 | -747 |
| Tonasket | 07:44:19 | -19.6 | Dark | Up | 44.1 | 119.8 | Up | 07:38:11 - 07:50:27 | -780 |
| Okanogan | 07:44:20 | -20.0 | Dark | Up | 44.2 | 119.3 | Up | 07:38:12 - 07:50:28 | -818 |
| Brewster | 07:44:21 | -20.2 | Dark | Up | 44.2 | 118.9 | Up | 07:38:13 - 07:50:29 | -851 |
| Victoria | 07:44:29 | -19.6 | Dark | Up | 41.9 | 115.5 | Up | 07:38:21 - 07:50:37 | -874 |
| Manson/Chelan | 07:44:21 | -20.4 | Dark | Up | 44.1 | 118.3 | Up | 07:38:13 - 07:50:29 | -880 |
| Entiat | 07:44:22 | -20.6 | Dark | Up | 44.1 | 118.1 | Up | 07:38:14 - 07:50:30 | -904 |
| Wenatchee | 07:44:22 | -20.9 | Dark | Up | 44.2 | 117.7 | Up | 07:38:14 - 07:50:30 | -933 |
| Ellensburg | 07:44:22 | -21.3 | Dark | Up | 44.2 | 117.2 | Up | 07:38:14 - 07:50:30 | -981 |
| Yakima | 07:44:22 | -21.7 | Dark | Up | 44.4 | 116.8 | Up | 07:38:14 - 07:50:30 | -1024 |
| Pasco | 07:44:18 | -22.1 | Dark | Up | 45.4 | 118.0 | Up | 07:38:10 - 07:50:26 | -1030 |
| Toppenish/White Swan | 07:44:21 | -21.9 | Dark | Up | 44.6 | 116.8 | Up | 07:38:13 - 07:50:29 | -1043 |
| PNWRO | 07:44:18 | -22.3 | Dark | Up | 45.7 | 118.0 | Up | 07:38:10 - 07:50:26 | -1051 |
| Goldendale | 07:44:22 | -22.4 | Dark | Up | 44.6 | 115.9 | Up | 07:38:14 - 07:50:30 | -1110 |
| The Dalles | 07:44:23 | -22.6 | Dark | Up | 44.5 | 115.3 | Up | 07:38:15 - 07:50:31 | -1141 |
| Maupin | 07:44:23 | -23.1 | Dark | Up | 44.7 | 115.0 | Up | 07:38:15 - 07:50:31 | -1183 |
| Niwot | 07:43:34 | -27.4 | Dark | Up | 57.2 | 127.8 | Up | 07:37:26 - 07:49:42 | -1278 |
| Redmond | 07:44:23 | -24.0 | Dark | Up | 45.0 | 114.1 | Up | 07:38:15 - 07:50:31 | -1281 |
| Sisters | 07:44:24 | -23.9 | Dark | Up | 44.8 | 113.7 | Up | 07:38:16 - 07:50:32 | -1287 |
| SwRI | 07:43:34 | -27.5 | Dark | Up | 57.2 | 127.6 | Up | 07:37:26 - 07:49:42 | -1292 |
| Bend | 07:44:23 | -24.2 | Dark | Up | 45.0 | 113.8 | Up | 07:38:15 - 07:50:31 | -1307 |
| Oregon Observatory | 07:44:23 | -24.3 | Dark | Up | 45.0 | 113.5 | Up | 07:38:15 - 07:50:31 | -1328 |
| La Pine/Gilchrist | 07:44:23 | -24.5 | Dark | Up | 45.1 | 113.2 | Up | 07:38:15 - 07:50:31 | -1351 |
| North Lake | 07:44:21 | -25.0 | Dark | Up | 45.6 | 113.4 | Up | 07:38:13 - 07:50:29 | -1384 |
| Paisley | 07:44:20 | -25.6 | Dark | Up | 46.1 | 113.2 | Up | 07:38:12 - 07:50:28 | -1435 |
| Lakeview | 07:44:20 | -26.1 | Dark | Up | 46.4 | 112.9 | Up | 07:38:12 - 07:50:28 | -1485 |
| Klamath Falls | 07:44:24 | -26.0 | Dark | Up | 45.4 | 111.6 | Up | 07:38:16 - 07:50:32 | -1511 |
| Cedarville | 07:44:19 | -26.8 | Dark | Up | 46.8 | 112.5 | Up | 07:38:11 - 07:50:27 | -1551 |
| Fall River/Burney | 07:44:22 | -27.2 | Dark | Up | 46.1 | 110.8 | Up | 07:38:14 - 07:50:30 | -1629 |
| Susanville | 07:44:19 | -27.8 | Dark | Up | 46.9 | 110.9 | Up | 07:38:11 - 07:50:27 | -1681 |
| Gimple | 07:44:20 | -28.1 | Dark | Up | 46.8 | 110.4 | Up | 07:38:12 - 07:50:28 | -1715 |
| Greenville | 07:44:21 | -28.1 | Dark | Up | 46.7 | 110.4 | Up | 07:38:13 - 07:50:29 | -1717 |
| Quincy | 07:44:20 | -28.3 | Dark | Up | 46.8 | 110.2 | Up | 07:38:12 - 07:50:28 | -1738 |
| Portola | 07:44:18 | -28.5 | Dark | Up | 47.2 | 110.5 | Up | 07:38:10 - 07:50:26 | -1741 |
| Reno | 07:44:17 | -28.8 | Dark | Up | 47.8 | 110.8 | Up | 07:38:09 - 07:50:25 | -1755 |
| Carson City | 07:44:16 | -29.1 | Dark | Up | 47.9 | 110.4 | Up | 07:38:08 - 07:50:24 | -1792 |
| Yerington | 07:44:14 | -29.3 | Dark | Up | 48.4 | 110.8 | Up | 07:38:06 - 07:50:22 | -1798 |
| Gardnerville | 07:44:16 | -29.4 | Dark | Up | 48.0 | 110.2 | Up | 07:38:08 - 07:50:24 | -1817 |
| Hawthorne | 07:44:12 | -29.8 | Dark | Up | 49.0 | 110.8 | Up | 07:38:04 - 07:50:20 | -1835 |
| Tonopah | 07:44:08 | -30.3 | Dark | Up | 50.2 | 111.7 | Up | 07:38:00 - 07:50:16 | -1849 |
| Lee Vining | 07:44:13 | -30.4 | Dark | Up | 48.8 | 109.8 | Up | 07:38:05 - 07:50:21 | -1907 |
| Bishop | 07:44:11 | -31.0 | Dark | Up | 49.5 | 109.8 | Up | 07:38:03 - 07:50:19 | -1953 |
| Beatty | 07:44:05 | -31.5 | Dark | Up | 50.9 | 110.8 | Up | 07:37:57 - 07:50:13 | -1960 |
| Indian Springs | 07:44:01 | -31.8 | Dark | Up | 51.8 | 111.4 | Up | 07:37:53 - 07:50:09 | -1965 |
| Henderson | 07:43:59 | -32.3 | Dark | Up | 52.5 | 111.4 | Up | 07:37:51 - 07:50:07 | -2003 |
| Patrick | 07:43:54 | -32.9 | Dark | Up | 53.6 | 111.7 | Up | 07:37:46 - 07:50:02 | -2037 |
| DCO | 07:43:53 | -33.2 | Dark | Up | 54.2 | 112.0 | Up | 07:37:45 - 07:50:01 | -2048 |
| Searchlight/Boulder City | 07:43:58 | -32.9 | Dark | Up | 52.8 | 110.8 | Up | 07:37:50 - 07:50:06 | -2061 |
| Kingman/Dolan Springs | 07:43:55 | -33.1 | Dark | Up | 53.5 | 111.3 | Up | 07:37:47 - 07:50:03 | -2065 |
| Laughlin/Bullhead City | 07:43:57 | -33.2 | Dark | Up | 53.1 | 110.7 | Up | 07:37:49 - 07:50:05 | -2083 |
| Mohave Valley | 07:43:56 | -33.4 | Dark | Up | 53.2 | 110.4 | Up | 07:37:48 - 07:50:04 | -2111 |
| Lake Havasu City | 07:43:55 | -33.8 | Dark | Up | 53.6 | 110.1 | Up | 07:37:47 - 07:50:03 | -2146 |
| George/Scottsdale | 07:43:46 | -34.5 | Dark | Up | 55.7 | 111.5 | Up | 07:37:38 - 07:49:54 | -2153 |
| Parker | 07:43:54 | -34.2 | Dark | Up | 53.7 | 109.7 | Up | 07:37:46 - 07:50:02 | -2182 |
| CPSLO | 07:44:15 | -32.9 | Dark | Up | 48.4 | 105.6 | Up | 07:38:07 - 07:50:23 | -2228 |
| Blythe | 07:43:54 | -34.7 | Dark | Up | 53.7 | 108.8 | Up | 07:37:46 - 07:50:02 | -2246 |
| Idyllwild | 07:44:02 | -34.6 | Dark | Up | 52.0 | 107.0 | Up | 07:37:54 - 07:50:10 | -2294 |
| Wildwood | 07:44:07 | -34.2 | Dark | Up | 50.4 | 105.9 | Up | 07:37:59 - 07:50:15 | -2306 |
| Calipatria | 07:43:57 | -35.2 | Dark | Up | 53.1 | 107.3 | Up | 07:37:49 - 07:50:05 | -2325 |
| Yuma | 07:43:54 | -35.6 | Dark | Up | 53.9 | 107.5 | Up | 07:37:46 - 07:50:02 | -2345 |
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 470309, (2026/05/29 07:41UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 22.50 81 Tarazed 19:46:15.6 +10:36:48 2.7 13.54 80 PPM 135550 18:58:14.7 +17:21:39 6.2 0.80 73 PPM 135496 18:56:04.9 +16:46:27 9.1 0.12 72 470309 18:56:26.4 +16:41:29 14.9 72 Positions are for J2000
Event circumstances last updated at 2020/10/30 21:19:11 UT
Marc W. Buie, Southwest Research Institute