Event between (119979) 02WC19 and star GA1100:02195617 with event index number of 2116222
Geocentric closest approach at 2026/04/10 03:39:40 UTC
J2000 position of star is 06:33:16.8 +21:31:55
Equinox of date position of star is 06:34:43.9 +21:30:43
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 167 degrees from the moon.
Moon is 51% illuminated.
Apparent brightness V=20.8
[RECON map]
Object is 38.8 AU from the Sun
and 39.0 AU from the Earth.
Apparent velocity is 11.0
km/sec on the sky relative to the star, or,
1.4 arcsec/hr.
The 1-sigma error in the time of the event is 604 seconds.
The 1-sigma cross-track error in the shadow position is
1733 km.
The sky-plane scale is
28270.7 km/arcsec.
The object has an absolute magnitude Hv=4.7
Diameter=691.9 km assuming a 5% albedo -- 64.0 sec chord
Diameter=282.4 km assuming a 30% albedo -- 26.1 sec chord
Dynamical classification is 2:1E
Star training set for 119979, (2026/04/10 03:40UT) Object RA Dec mag sep mel Betelgeuse 05:56:35.7 +07:24:35 0.4 16.85 151 Alhena 06:39:13.8 +16:22:29 1.9 5.24 165 PPM 096308 06:40:40.1 +22:00:19 6.0 1.44 168 PPM 096191 06:35:55.1 +21:25:13 8.4 0.26 167 PPM 096134 06:34:28.1 +21:26:52 9.0 0.11 167 119979 06:34:51.3 +21:30:37 15.9 167 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
1.5 sigma about the mid-time.
The median site spacing is 46.5 km
RECON observability=0.3 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) |
| Sleaford | 03:44:42 | -16.4 | AT | Down | 40.9 | 251.3 | Up | 03:29:42 - 03:59:42 | 7594 |
| Kamloops | 03:43:39 | -9.2 | NT | Down | 49.7 | 237.0 | Up | 03:28:39 - 03:58:39 | 7279 |
| Kelowna | 03:43:46 | -10.1 | NT | Down | 49.7 | 238.9 | Up | 03:28:46 - 03:58:46 | 7211 |
| Peachland | 03:43:44 | -10.0 | NT | Down | 49.9 | 238.6 | Up | 03:28:44 - 03:58:44 | 7197 |
| Summerland | 03:43:47 | -10.1 | NT | Down | 49.9 | 238.9 | Up | 03:28:47 - 03:58:47 | 7184 |
| Penticton | 03:43:48 | -10.2 | NT | Down | 49.9 | 239.1 | Up | 03:28:48 - 03:58:48 | 7178 |
| Oliver | 03:43:47 | -10.4 | NT | Down | 50.1 | 239.5 | Up | 03:28:47 - 03:58:47 | 7144 |
| Anarchist Mountain Observatory | 03:43:50 | -10.6 | NT | Down | 50.0 | 239.9 | Up | 03:28:50 - 03:58:50 | 7130 |
| Okanogan | 03:43:52 | -10.7 | NT | Down | 50.5 | 240.3 | Up | 03:28:52 - 03:58:52 | 7065 |
| Victoria | 03:43:28 | -8.3 | NT | Down | 52.6 | 235.4 | Up | 03:28:28 - 03:58:28 | 7043 |
| Brewster | 03:43:52 | -10.7 | NT | Down | 50.7 | 240.3 | Up | 03:28:52 - 03:58:52 | 7036 |
| Manson/Chelan | 03:43:50 | -10.6 | NT | Down | 51.1 | 240.1 | Up | 03:28:50 - 03:58:50 | 7012 |
| Wenatchee | 03:43:51 | -10.7 | NT | Down | 51.4 | 240.5 | Up | 03:28:51 - 03:58:51 | 6964 |
| Ellensburg | 03:43:51 | -10.7 | NT | Down | 51.7 | 240.7 | Up | 03:28:51 - 03:58:51 | 6921 |
| Yakima | 03:43:54 | -10.8 | NT | Down | 51.9 | 241.1 | Up | 03:28:54 - 03:58:54 | 6880 |
| Toppenish/White Swan | 03:43:54 | -11.0 | NT | Down | 51.9 | 241.5 | Up | 03:28:54 - 03:58:54 | 6861 |
| PNWRO | 03:44:03 | -12.2 | AT | Down | 51.1 | 243.7 | Up | 03:29:03 - 03:59:03 | 6841 |
| The Dalles | 03:43:51 | -10.8 | NT | Down | 52.8 | 241.5 | Up | 03:28:51 - 03:58:51 | 6775 |
| Maupin | 03:43:55 | -11.1 | NT | Down | 52.9 | 242.1 | Up | 03:28:55 - 03:58:55 | 6734 |
| Sisters | 03:43:53 | -11.1 | NT | Down | 53.6 | 242.6 | Up | 03:28:53 - 03:58:53 | 6640 |
| Bend | 03:43:57 | -11.4 | NT | Down | 53.6 | 243.2 | Up | 03:28:57 - 03:58:57 | 6619 |
| Oregon Observatory | 03:43:57 | -11.4 | NT | Down | 53.7 | 243.3 | Up | 03:28:57 - 03:58:57 | 6600 |
| Dunrhomin | 03:45:43 | -24.0 | Dark | Down | 42.9 | 262.5 | Up | 03:30:43 - 04:00:43 | 6483 |
| Nikitin | 03:45:45 | -24.1 | Dark | Down | 42.9 | 262.7 | Up | 03:30:45 - 04:00:45 | 6464 |
| Chiloquin | 03:43:58 | -11.6 | NT | Down | 54.6 | 244.4 | Up | 03:28:58 - 03:58:58 | 6462 |
| CU-SBO | 03:45:44 | -24.0 | Dark | Down | 43.0 | 262.7 | Up | 03:30:44 - 04:00:44 | 6456 |
| Klamath Falls | 03:43:58 | -11.8 | NT | Down | 54.7 | 245.0 | Up | 03:28:58 - 03:58:58 | 6428 |
| Cedarville | 03:44:11 | -13.2 | AT | Down | 53.8 | 247.6 | Up | 03:29:11 - 03:59:11 | 6375 |
| Fall River/Burney | 03:44:06 | -12.5 | AT | Down | 54.9 | 246.9 | Up | 03:29:06 - 03:59:06 | 6310 |
| Gimple | 03:44:11 | -13.2 | AT | Down | 54.8 | 248.7 | Up | 03:29:11 - 03:59:11 | 6223 |
| Greenville | 03:44:11 | -13.2 | AT | Down | 54.9 | 248.6 | Up | 03:29:11 - 03:59:11 | 6222 |
| Quincy | 03:44:11 | -13.3 | AT | Down | 54.9 | 248.9 | Up | 03:29:11 - 03:59:11 | 6201 |
| Portola | 03:44:15 | -13.7 | AT | Down | 54.6 | 249.6 | Up | 03:29:15 - 03:59:15 | 6194 |
| Reno | 03:44:19 | -14.2 | AT | Down | 54.2 | 250.6 | Up | 03:29:19 - 03:59:19 | 6174 |
| Carson City | 03:44:22 | -14.4 | AT | Down | 54.3 | 251.1 | Up | 03:29:22 - 03:59:22 | 6137 |
| Yerington | 03:44:26 | -15.0 | AT | Down | 53.9 | 252.0 | Up | 03:29:26 - 03:59:26 | 6125 |
| Gardnerville | 03:44:23 | -14.5 | AT | Down | 54.4 | 251.5 | Up | 03:29:23 - 03:59:23 | 6112 |
| Hawthorne | 03:44:33 | -15.5 | AT | Down | 53.6 | 253.1 | Up | 03:29:33 - 03:59:33 | 6083 |
| Lee Vining | 03:44:30 | -15.4 | AT | Down | 54.2 | 253.4 | Up | 03:29:30 - 03:59:30 | 6018 |
| Bishop | 03:44:38 | -16.2 | AT | Down | 53.8 | 254.9 | Up | 03:29:38 - 03:59:38 | 5965 |
| Beatty | 03:44:49 | -17.6 | AT | Down | 52.6 | 256.9 | Up | 03:29:49 - 03:59:49 | 5939 |
| Patrick | 03:45:11 | -20.4 | Dark | Down | 50.5 | 261.1 | Up | 03:30:11 - 04:00:11 | 5828 |
| Laughlin/Bullhead City | 03:45:08 | -20.0 | Dark | Down | 51.1 | 260.9 | Up | 03:30:08 - 04:00:08 | 5791 |
| Lake Havasu City | 03:45:12 | -20.5 | Dark | Down | 51.0 | 261.9 | Up | 03:30:12 - 04:00:12 | 5724 |
| George/Scottsdale | 03:45:30 | -22.7 | Dark | Down | 49.0 | 264.5 | Up | 03:30:30 - 04:00:30 | 5685 |
| Wildwood | 03:44:43 | -17.3 | AT | Down | 54.6 | 259.2 | Up | 03:29:43 - 03:59:43 | 5616 |
| Idyllwild | 03:44:58 | -19.0 | Dark | Down | 53.1 | 261.1 | Up | 03:29:58 - 03:59:58 | 5606 |
| Calipatria | 03:45:06 | -20.2 | Dark | Down | 52.2 | 262.8 | Up | 03:30:06 - 04:00:06 | 5559 |
| Yuma | 03:45:13 | -21.0 | Dark | Down | 51.5 | 263.9 | Up | 03:30:13 - 04:00:13 | 5528 |
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 119979, (2026/04/10 03:40UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 16.85 151 Alhena 06:37:42.8 +16:23:57 1.9 5.24 165 PPM 096308 06:39:05.3 +22:01:51 6.0 1.44 168 PPM 096191 06:34:20.7 +21:26:34 8.4 0.26 167 PPM 096134 06:32:53.6 +21:28:09 9.0 0.11 167 119979 06:33:16.8 +21:31:55 15.9 167 Positions are for J2000
Event circumstances last updated at 2024/03/21 22:31:00 UT
Marc W. Buie, Southwest Research Institute