Event between 04VM131 and star GA1020:01788371 with event index number of 1985868
Geocentric closest approach at 2025/01/01 09:32:10 UTC
J2000 position of star is 06:25:01.5 +12:05:51
Equinox of date position of star is 06:26:21.6 +12:04:57
Stellar brightness G=15.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 152 degrees from the moon.
Moon is 3% illuminated.
Apparent brightness V=24.0
[RECON map]
Object is 36.6 AU from the Sun
and 35.7 AU from the Earth.
Apparent velocity is 25.4
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 744 seconds.
The 1-sigma cross-track error in the shadow position is
4981 km.
The sky-plane scale is
25875.9 km/arcsec.
The object has an absolute magnitude Hv=8.4
Diameter=127.6 km assuming a 5% albedo -- 5.0 sec chord
Diameter=52.1 km assuming a 30% albedo -- 2.1 sec chord
Dynamical classification is CENTAURR
Star training set for 04VM131, (2025/01/01 09:32UT) Object RA Dec mag sep mel Betelgeuse 05:56:31.6 +07:24:35 0.4 8.72 144 Alhena 06:39:09.4 +16:22:33 1.9 5.29 157 PPM 122364 06:24:00.6 +12:33:21 6.4 0.76 152 PPM 122414 06:25:52.4 +12:16:17 8.3 0.23 152 PPM 122446 06:26:53.2 +12:13:34 9.0 0.18 152 PPM 122427 06:26:19.2 +12:01:12 10.9 0.07 152 04VM131 06:26:25.5 +12:04:55 15.6 153 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
1.2 sigma about the mid-time.
The median site spacing is 30.0 km
RECON observability=1.0 and success probability=10.1%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 09:30:34 | -50.1 | Dark | Down | 37.8 | 235.6 | Up | 09:15:34 - 09:45:34 | -1669 |
| Kamloops | 09:31:03 | -57.6 | Dark | Down | 45.4 | 219.9 | Up | 09:16:03 - 09:46:03 | -1931 |
| Kelowna | 09:31:00 | -57.9 | Dark | Down | 45.7 | 221.6 | Up | 09:16:00 - 09:46:00 | -1991 |
| Peachland | 09:31:00 | -58.1 | Dark | Down | 45.9 | 221.3 | Up | 09:16:00 - 09:46:00 | -2003 |
| Summerland | 09:31:00 | -58.2 | Dark | Down | 45.9 | 221.5 | Up | 09:16:00 - 09:46:00 | -2015 |
| Penticton | 09:30:59 | -58.2 | Dark | Down | 45.9 | 221.7 | Up | 09:15:59 - 09:45:59 | -2019 |
| Oliver | 09:30:59 | -58.5 | Dark | Down | 46.2 | 221.9 | Up | 09:15:59 - 09:45:59 | -2049 |
| Anarchist Mountain Observatory | 09:30:58 | -58.5 | Dark | Down | 46.2 | 222.3 | Up | 09:15:58 - 09:45:58 | -2062 |
| Okanogan | 09:30:58 | -59.1 | Dark | Down | 46.8 | 222.5 | Up | 09:15:58 - 09:45:58 | -2120 |
| Victoria | 09:31:08 | -60.6 | Dark | Down | 48.3 | 217.4 | Up | 09:16:08 - 09:46:08 | -2141 |
| Brewster | 09:30:58 | -59.4 | Dark | Down | 47.1 | 222.4 | Up | 09:15:58 - 09:45:58 | -2145 |
| Manson/Chelan | 09:30:58 | -59.7 | Dark | Down | 47.4 | 222.1 | Up | 09:15:58 - 09:45:58 | -2167 |
| Wenatchee | 09:30:58 | -60.1 | Dark | Down | 47.9 | 222.2 | Up | 09:15:58 - 09:45:58 | -2210 |
| Ellensburg | 09:30:58 | -60.5 | Dark | Down | 48.3 | 222.2 | Up | 09:15:58 - 09:45:58 | -2248 |
| Yakima | 09:30:58 | -60.8 | Dark | Down | 48.6 | 222.5 | Up | 09:15:58 - 09:45:58 | -2284 |
| Toppenish/White Swan | 09:30:57 | -60.9 | Dark | Down | 48.7 | 222.9 | Up | 09:15:57 - 09:45:57 | -2302 |
| PNWRO | 09:30:52 | -60.4 | Dark | Down | 48.2 | 225.1 | Up | 09:15:52 - 09:45:52 | -2319 |
| The Dalles | 09:30:57 | -61.8 | Dark | Down | 49.6 | 222.5 | Up | 09:15:57 - 09:45:57 | -2379 |
| Maupin | 09:30:57 | -62.1 | Dark | Down | 49.9 | 222.9 | Up | 09:15:57 - 09:45:57 | -2415 |
| Sisters | 09:30:57 | -63.0 | Dark | Down | 50.7 | 223.0 | Up | 09:15:57 - 09:45:57 | -2499 |
| Bend | 09:30:56 | -63.0 | Dark | Down | 50.8 | 223.5 | Up | 09:15:56 - 09:45:56 | -2519 |
| Oregon Observatory | 09:30:56 | -63.2 | Dark | Down | 51.0 | 223.5 | Up | 09:15:56 - 09:45:56 | -2536 |
| Chiloquin | 09:30:55 | -64.3 | Dark | Down | 52.1 | 224.1 | Up | 09:15:55 - 09:45:55 | -2661 |
| Dunrhomin | 09:30:07 | -54.8 | Dark | Down | 43.4 | 245.1 | Up | 09:15:07 - 09:45:07 | -2673 |
| Nikitin | 09:30:06 | -54.9 | Dark | Down | 43.4 | 245.2 | Up | 09:15:06 - 09:45:06 | -2690 |
| Klamath Falls | 09:30:54 | -64.5 | Dark | Down | 52.3 | 224.5 | Up | 09:15:54 - 09:45:54 | -2692 |
| CU-SBO | 09:30:06 | -55.0 | Dark | Down | 43.5 | 245.2 | Up | 09:15:06 - 09:45:06 | -2698 |
| Cedarville | 09:30:49 | -64.1 | Dark | Down | 52.0 | 227.3 | Up | 09:15:49 - 09:45:49 | -2741 |
| Fall River/Burney | 09:30:51 | -65.1 | Dark | Down | 53.0 | 226.1 | Up | 09:15:51 - 09:45:51 | -2799 |
| Gimple | 09:30:49 | -65.4 | Dark | Down | 53.3 | 227.7 | Up | 09:15:49 - 09:45:49 | -2880 |
| Greenville | 09:30:49 | -65.4 | Dark | Down | 53.4 | 227.6 | Up | 09:15:49 - 09:45:49 | -2881 |
| Quincy | 09:30:49 | -65.5 | Dark | Down | 53.5 | 227.8 | Up | 09:15:49 - 09:45:49 | -2900 |
| Portola | 09:30:47 | -65.3 | Dark | Down | 53.3 | 228.6 | Up | 09:15:47 - 09:45:47 | -2907 |
| Reno | 09:30:45 | -65.1 | Dark | Down | 53.1 | 229.7 | Up | 09:15:45 - 09:45:45 | -2925 |
| Carson City | 09:30:44 | -65.3 | Dark | Down | 53.3 | 230.1 | Up | 09:15:44 - 09:45:44 | -2959 |
| Yerington | 09:30:42 | -65.0 | Dark | Down | 53.1 | 231.1 | Up | 09:15:42 - 09:45:42 | -2971 |
| Gardnerville | 09:30:44 | -65.4 | Dark | Down | 53.5 | 230.4 | Up | 09:15:44 - 09:45:44 | -2982 |
| Hawthorne | 09:30:40 | -64.9 | Dark | Down | 53.0 | 232.2 | Up | 09:15:40 - 09:45:40 | -3009 |
| Lee Vining | 09:30:41 | -65.5 | Dark | Down | 53.7 | 232.2 | Up | 09:15:41 - 09:45:41 | -3069 |
| Bishop | 09:30:38 | -65.3 | Dark | Down | 53.6 | 233.7 | Up | 09:15:38 - 09:45:38 | -3119 |
| Beatty | 09:30:32 | -64.4 | Dark | Down | 52.8 | 236.2 | Up | 09:15:32 - 09:45:32 | -3145 |
| Patrick | 09:30:21 | -62.8 | Dark | Down | 51.6 | 241.1 | Up | 09:15:21 - 09:45:21 | -3254 |
| Laughlin/Bullhead City | 09:30:24 | -63.5 | Dark | Down | 52.2 | 240.6 | Up | 09:15:24 - 09:45:24 | -3288 |
| Lake Havasu City | 09:30:21 | -63.5 | Dark | Down | 52.4 | 241.6 | Up | 09:15:21 - 09:45:21 | -3351 |
| George/Scottsdale | 09:30:13 | -61.8 | Dark | Down | 50.9 | 245.0 | Up | 09:15:13 - 09:45:13 | -3395 |
| Wildwood | 09:30:34 | -66.9 | Dark | Down | 55.6 | 237.3 | Up | 09:15:34 - 09:45:34 | -3445 |
| Idyllwild | 09:30:27 | -65.6 | Dark | Down | 54.5 | 239.9 | Up | 09:15:27 - 09:45:27 | -3457 |
| Calipatria | 09:30:23 | -64.9 | Dark | Down | 53.9 | 241.9 | Up | 09:15:23 - 09:45:23 | -3504 |
| Yuma | 09:30:20 | -64.3 | Dark | Down | 53.5 | 243.4 | Up | 09:15:20 - 09:45:20 | -3536 |
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 04VM131, (2025/01/01 09:32UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 8.72 144 Alhena 06:37:42.8 +16:23:57 1.9 5.29 157 PPM 122364 06:22:36.3 +12:34:12 6.4 0.76 152 PPM 122414 06:24:28.3 +12:17:12 8.3 0.23 152 PPM 122446 06:25:29.1 +12:14:31 9.0 0.18 152 PPM 122427 06:24:55.2 +12:02:08 10.9 0.07 152 04VM131 06:25:01.5 +12:05:51 15.6 152 Positions are for J2000
Event circumstances last updated at 2023/11/10 05:28:16 UT
Marc W. Buie, Southwest Research Institute