Event between (307463) 02VU130 and star GA1120:01782943 with event index number of 1676199
Geocentric closest approach at 2027/04/02 06:24:12 UTC
J2000 position of star is 06:06:28.5 +23:18:38
Equinox of date position of star is 06:07:52.8 +23:18:24
Stellar brightness G=16.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 134 degrees from the moon.
Moon is 21% illuminated.
Apparent brightness V=21.9
[RECON map]
Object is 38.2 AU from the Sun
and 38.4 AU from the Earth.
Apparent velocity is 9.6
km/sec on the sky relative to the star, or,
1.2 arcsec/hr.
The 1-sigma error in the time of the event is 771 seconds.
The 1-sigma cross-track error in the shadow position is
2256 km.
The sky-plane scale is
27850.5 km/arcsec.
The object has an absolute magnitude Hv=5.9
Diameter=398.1 km assuming a 5% albedo -- 40.7 sec chord
Diameter=162.5 km assuming a 30% albedo -- 16.6 sec chord
Dynamical classification is 3:2E
Star training set for 307463, (2027/04/02 06:16UT) Object RA Dec mag sep mel Betelgeuse 05:56:38.9 +07:24:35 0.4 16.13 129 Alhena 06:39:17.1 +16:22:25 1.9 10.08 141 1 Gem 06:05:46.6 +23:15:34 4.2 0.54 134 PPM 095417 06:08:46.2 +23:02:55 8.4 0.30 134 PPM 095391 06:08:04.0 +23:10:35 9.4 0.13 134 PPM 095394 06:08:08.7 +23:17:34 10.8 0.01 134 307463 06:08:08.0 +23:18:21 16.4 135 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 18.4 km
RECON observability=0.8 and success probability=1.1%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 06:30:39 | -32.5 | Dark | Down | 17.9 | 285.2 | Really Low | 06:15:39 - 06:45:39 | 8561 |
| Kamloops | 06:30:40 | -30.9 | Dark | Down | 26.5 | 275.1 | Low | 06:15:40 - 06:45:40 | 8072 |
| Kelowna | 06:30:49 | -31.9 | Dark | Down | 25.8 | 276.2 | Low | 06:15:49 - 06:45:49 | 8039 |
| Peachland | 06:30:49 | -31.9 | Dark | Down | 26.0 | 276.0 | Low | 06:15:49 - 06:45:49 | 8023 |
| Summerland | 06:30:49 | -32.0 | Dark | Down | 25.9 | 276.2 | Low | 06:15:49 - 06:45:49 | 8015 |
| Penticton | 06:30:49 | -32.1 | Dark | Down | 25.8 | 276.3 | Low | 06:15:49 - 06:45:49 | 8013 |
| Oliver | 06:30:55 | -32.4 | Dark | Down | 25.8 | 276.5 | Low | 06:15:55 - 06:45:55 | 7988 |
| Anarchist Mountain Observatory | 06:30:56 | -32.7 | Dark | Down | 25.6 | 276.7 | Low | 06:15:56 - 06:45:56 | 7982 |
| Okanogan | 06:31:02 | -33.2 | Dark | Down | 25.7 | 276.9 | Low | 06:16:02 - 06:46:02 | 7928 |
| Brewster | 06:31:03 | -33.4 | Dark | Down | 25.8 | 276.9 | Low | 06:16:03 - 06:46:03 | 7902 |
| Manson/Chelan | 06:31:05 | -33.4 | Dark | Down | 26.0 | 276.7 | Low | 06:16:05 - 06:46:05 | 7876 |
| Wenatchee | 06:31:07 | -33.8 | Dark | Down | 26.1 | 276.8 | Low | 06:16:07 - 06:46:07 | 7836 |
| Victoria | 06:30:52 | -31.8 | Dark | Down | 28.3 | 274.0 | Low | 06:15:52 - 06:45:52 | 7829 |
| Ellensburg | 06:31:10 | -34.1 | Dark | Down | 26.2 | 276.9 | Low | 06:16:10 - 06:46:10 | 7799 |
| Dunrhomin | 06:32:17 | -44.3 | Dark | Down | 13.6 | 289.2 | Really Low | 06:17:17 - 06:47:17 | 7786 |
| PNWRO | 06:31:23 | -35.5 | Dark | Down | 24.9 | 278.5 | Low | 06:16:23 - 06:46:23 | 7774 |
| Nikitin | 06:32:19 | -44.5 | Dark | Down | 13.6 | 289.2 | Really Low | 06:17:19 - 06:47:19 | 7771 |
| Yakima | 06:31:13 | -34.4 | Dark | Down | 26.1 | 277.1 | Low | 06:16:13 - 06:46:13 | 7768 |
| CU-SBO | 06:32:20 | -44.5 | Dark | Down | 13.6 | 289.2 | Really Low | 06:17:20 - 06:47:20 | 7764 |
| Toppenish/White Swan | 06:31:16 | -34.7 | Dark | Down | 26.0 | 277.3 | Low | 06:16:16 - 06:46:16 | 7756 |
| The Dalles | 06:31:20 | -35.1 | Dark | Down | 26.4 | 277.2 | Low | 06:16:20 - 06:46:20 | 7673 |
| Maupin | 06:31:24 | -35.5 | Dark | Down | 26.3 | 277.4 | Low | 06:16:24 - 06:46:24 | 7644 |
| Sisters | 06:31:30 | -36.1 | Dark | Down | 26.5 | 277.6 | Low | 06:16:30 - 06:46:30 | 7560 |
| Bend | 06:31:34 | -36.4 | Dark | Down | 26.2 | 277.9 | Low | 06:16:34 - 06:46:34 | 7550 |
| Oregon Observatory | 06:31:34 | -36.5 | Dark | Down | 26.3 | 277.9 | Low | 06:16:34 - 06:46:34 | 7532 |
| Chiloquin | 06:31:44 | -37.5 | Dark | Down | 26.4 | 278.3 | Low | 06:16:44 - 06:46:44 | 7414 |
| Klamath Falls | 06:31:46 | -37.8 | Dark | Down | 26.3 | 278.5 | Low | 06:16:46 - 06:46:46 | 7388 |
| Cedarville | 06:31:55 | -39.0 | Dark | Down | 25.0 | 279.8 | Low | 06:16:55 - 06:46:55 | 7385 |
| Fall River/Burney | 06:31:55 | -39.0 | Dark | Down | 25.8 | 279.3 | Low | 06:16:55 - 06:46:55 | 7305 |
| Gimple | 06:32:05 | -40.0 | Dark | Down | 25.2 | 280.1 | Low | 06:17:05 - 06:47:05 | 7248 |
| Greenville | 06:32:04 | -39.9 | Dark | Down | 25.3 | 280.0 | Low | 06:17:04 - 06:47:04 | 7245 |
| Portola | 06:32:08 | -40.4 | Dark | Down | 24.8 | 280.5 | Low | 06:17:08 - 06:47:08 | 7234 |
| Reno | 06:32:10 | -40.9 | Dark | Down | 24.3 | 281.0 | Low | 06:17:10 - 06:47:10 | 7234 |
| Quincy | 06:32:06 | -40.1 | Dark | Down | 25.2 | 280.1 | Low | 06:17:06 - 06:47:06 | 7228 |
| Yerington | 06:32:14 | -41.7 | Dark | Down | 23.7 | 281.6 | Low | 06:17:14 - 06:47:14 | 7210 |
| Carson City | 06:32:12 | -41.2 | Dark | Down | 24.2 | 281.1 | Low | 06:17:12 - 06:47:12 | 7205 |
| Hawthorne | 06:32:21 | -42.3 | Dark | Down | 23.1 | 282.1 | Low | 06:17:21 - 06:47:21 | 7190 |
| Gardnerville | 06:32:14 | -41.5 | Dark | Down | 24.1 | 281.3 | Low | 06:17:14 - 06:47:14 | 7186 |
| Lee Vining | 06:32:22 | -42.6 | Dark | Down | 23.4 | 282.1 | Low | 06:17:22 - 06:47:22 | 7126 |
| Beatty | 06:32:35 | -44.4 | Dark | Down | 21.3 | 283.8 | Low | 06:17:35 - 06:47:35 | 7119 |
| Bishop | 06:32:29 | -43.4 | Dark | Down | 22.7 | 282.7 | Low | 06:17:29 - 06:47:29 | 7101 |
| Patrick | 06:32:47 | -46.8 | Dark | Down | 18.6 | 285.8 | Really Low | 06:17:47 - 06:47:47 | 7097 |
| Laughlin/Bullhead City | 06:32:51 | -46.8 | Dark | Down | 19.1 | 285.6 | Really Low | 06:17:51 - 06:47:51 | 7051 |
| George/Scottsdale | 06:33:01 | -49.1 | Dark | Down | 16.5 | 287.4 | Really Low | 06:18:01 - 06:48:01 | 7027 |
| Lake Havasu City | 06:32:53 | -47.5 | Dark | Down | 18.7 | 285.9 | Really Low | 06:17:53 - 06:47:53 | 7003 |
| Idyllwild | 06:32:57 | -47.3 | Dark | Down | 20.4 | 285.0 | Low | 06:17:57 - 06:47:57 | 6851 |
| Calipatria | 06:33:01 | -48.3 | Dark | Down | 19.3 | 285.8 | Really Low | 06:18:01 - 06:48:01 | 6841 |
| Yuma | 06:33:06 | -49.0 | Dark | Down | 18.4 | 286.4 | Really Low | 06:18:06 - 06:48:06 | 6837 |
| Wildwood | 06:32:51 | -46.2 | Dark | Down | 22.0 | 284.0 | Low | 06:17:51 - 06:47:51 | 6813 |
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 307463, (2027/04/02 06:16UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 16.13 129 Alhena 06:37:42.8 +16:23:57 1.9 10.08 141 1 Gem 06:04:07.2 +23:15:46 4.2 0.54 134 PPM 095417 06:07:06.9 +23:03:14 8.4 0.30 134 PPM 095391 06:06:24.6 +23:10:52 9.4 0.13 134 PPM 095394 06:06:29.2 +23:17:52 10.8 0.01 134 307463 06:06:28.5 +23:18:38 16.4 134 Positions are for J2000
Event circumstances last updated at 2023/02/01 03:38:38 UT
Marc W. Buie, Southwest Research Institute