Event between 06UX184 and star GA1340:02104139 with event index number of 1086804
Geocentric closest approach at 2021/04/04 04:32:32 UTC
J2000 position of star is 04:27:15.2 +45:29:18
Equinox of date position of star is 04:28:46.3 +45:32:03
Stellar brightness G=12.9,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 145 degrees from the moon.
Moon is 53% illuminated.
TNO apparent brightness V=22.3
[RECON map]
TNO is 20.9 AU from the Sun
and 21.3 AU from the Earth.
The TNO is moving 22.9
km/sec on the sky relative to the star, or,
5.3 arcsec/hr.
The 1-sigma error in the time of the event is 123 seconds.
The 1-sigma cross-track error in the shadow position is
2563 km.
The sky-plane scale is
15471.3 km/arcsec.
The TNO has an absolute magnitude Hv=8.8
Diameter=105.7 km assuming a 5% albedo -- 4.6 sec chord
Diameter=43.1 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
Star training set for 06UX184, (2021/04/04 04:33UT) Object RA Dec mag sep mel Aldebaran 04:37:08.6 +16:33:01 0.8 29.04 147 Mirphak 03:25:51.1 +49:56:06 1.8 11.43 133 53 Per 04:23:05.8 +46:32:52 4.7 1.41 144 PPM 047057 04:27:01.6 +46:11:28 7.2 0.72 144 PPM 047099 04:29:53.4 +45:25:34 9.6 0.22 145 06UX184 04:28:47.2 +45:32:04 12.9 145 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 10.8 km
RECON observability=1.0 and success probability=3.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Dunrhomin | 04:35:47 | -32.8 | Dark | Down | 27.6 | 307.7 | Low | 04:25:04 - 04:46:29 | 7040 |
| Clarence Fulton | 04:35:08 | -18.7 | Dark | Down | 41.4 | 295.3 | Up | 04:24:26 - 04:45:51 | 6777 |
| Kelowna | 04:35:10 | -18.9 | Dark | Down | 41.3 | 295.5 | Up | 04:24:27 - 04:45:52 | 6747 |
| Peachland | 04:35:10 | -18.8 | Dark | Down | 41.5 | 295.4 | Up | 04:24:28 - 04:45:53 | 6725 |
| Penticton | 04:35:11 | -19.0 | Dark | Down | 41.2 | 295.7 | Up | 04:24:29 - 04:45:54 | 6724 |
| Summerland | 04:35:11 | -18.9 | Dark | Down | 41.3 | 295.6 | Up | 04:24:28 - 04:45:53 | 6722 |
| Anarchist Mountain Observatory | 04:35:13 | -19.4 | Dark | Down | 40.9 | 296.2 | Up | 04:24:31 - 04:45:56 | 6704 |
| Oliver | 04:35:12 | -19.2 | Dark | Down | 41.1 | 296.0 | Up | 04:24:29 - 04:45:54 | 6704 |
| Tonasket | 04:35:14 | -19.5 | Dark | Down | 40.8 | 296.4 | Up | 04:24:32 - 04:45:57 | 6683 |
| Okanogan | 04:35:15 | -19.6 | Dark | Down | 40.7 | 296.6 | Up | 04:24:33 - 04:45:58 | 6655 |
| Brewster | 04:35:16 | -19.7 | Dark | Down | 40.7 | 296.7 | Up | 04:24:34 - 04:45:59 | 6629 |
| Manson/Chelan | 04:35:17 | -19.6 | Dark | Down | 40.8 | 296.7 | Up | 04:24:34 - 04:45:59 | 6597 |
| Wenatchee | 04:35:18 | -19.8 | Dark | Down | 40.7 | 297.0 | Up | 04:24:36 - 04:46:01 | 6560 |
| Pasco | 04:35:23 | -21.1 | Dark | Down | 39.5 | 298.4 | Up | 04:24:41 - 04:46:06 | 6557 |
| PNWRO | 04:35:24 | -21.4 | Dark | Down | 39.2 | 298.7 | Up | 04:24:42 - 04:46:07 | 6555 |
| Ellensburg | 04:35:20 | -19.9 | Dark | Down | 40.7 | 297.2 | Up | 04:24:37 - 04:46:02 | 6523 |
| Yakima | 04:35:21 | -20.1 | Dark | Down | 40.5 | 297.5 | Up | 04:24:39 - 04:46:04 | 6498 |
| Toppenish/White Swan | 04:35:22 | -20.3 | Dark | Down | 40.3 | 297.8 | Up | 04:24:40 - 04:46:05 | 6494 |
| Victoria | 04:35:12 | -17.4 | AT | Down | 43.1 | 294.6 | Up | 04:24:30 - 04:45:55 | 6463 |
| Goldendale | 04:35:24 | -20.4 | Dark | Down | 40.3 | 298.0 | Up | 04:24:41 - 04:46:06 | 6437 |
| The Dalles | 04:35:25 | -20.3 | Dark | Down | 40.4 | 298.0 | Up | 04:24:42 - 04:46:07 | 6403 |
| Maupin | 04:35:26 | -20.6 | Dark | Down | 40.1 | 298.3 | Up | 04:24:44 - 04:46:09 | 6383 |
| Redmond | 04:35:30 | -21.0 | Dark | Down | 39.8 | 299.0 | Up | 04:24:47 - 04:46:12 | 6322 |
| Sisters | 04:35:29 | -20.7 | Dark | Down | 40.0 | 298.8 | Up | 04:24:46 - 04:46:11 | 6301 |
| Bend | 04:35:30 | -21.0 | Dark | Down | 39.7 | 299.1 | Up | 04:24:47 - 04:46:12 | 6301 |
| Oregon Observatory | 04:35:30 | -21.0 | Dark | Down | 39.7 | 299.2 | Up | 04:24:48 - 04:46:13 | 6282 |
| North Lake | 04:35:33 | -21.7 | Dark | Down | 39.1 | 299.8 | Up | 04:24:51 - 04:46:16 | 6273 |
| La Pine/Gilchrist | 04:35:31 | -21.1 | Dark | Down | 39.7 | 299.3 | Up | 04:24:49 - 04:46:14 | 6266 |
| Paisley | 04:35:35 | -22.2 | Dark | Down | 38.6 | 300.4 | Up | 04:24:53 - 04:46:18 | 6259 |
| George/Scottsdale | 04:36:08 | -33.0 | Dark | Down | 27.8 | 308.1 | Low | 04:25:25 - 04:46:50 | 6241 |
| Lakeview | 04:35:37 | -22.6 | Dark | Down | 38.2 | 300.8 | Up | 04:24:55 - 04:46:20 | 6238 |
| Patrick | 04:36:02 | -30.6 | Dark | Down | 30.1 | 306.8 | Up | 04:25:20 - 04:46:45 | 6215 |
| Cedarville | 04:35:39 | -23.1 | Dark | Down | 37.7 | 301.3 | Up | 04:24:57 - 04:46:22 | 6207 |
| Kingman/Dolan Springs | 04:36:04 | -30.6 | Dark | Down | 30.1 | 306.8 | Up | 04:25:21 - 04:46:46 | 6188 |
| Henderson | 04:36:00 | -29.5 | Dark | Down | 31.2 | 306.2 | Up | 04:25:18 - 04:46:43 | 6181 |
| Indian Springs | 04:35:58 | -28.7 | Dark | Down | 32.0 | 305.7 | Up | 04:25:16 - 04:46:41 | 6171 |
| Tonopah | 04:35:53 | -26.9 | Dark | Down | 33.9 | 304.4 | Up | 04:25:10 - 04:46:35 | 6167 |
| Klamath Falls | 04:35:36 | -21.7 | Dark | Down | 39.1 | 300.2 | Up | 04:24:53 - 04:46:18 | 6157 |
| Laughlin/Bullhead City | 04:36:03 | -30.3 | Dark | Down | 30.5 | 306.7 | Up | 04:25:21 - 04:46:46 | 6152 |
| Mohave Valley | 04:36:04 | -30.4 | Dark | Down | 30.3 | 306.8 | Up | 04:25:22 - 04:46:47 | 6135 |
| Lake Havasu City | 04:36:05 | -30.8 | Dark | Down | 29.9 | 307.1 | Low | 04:25:23 - 04:46:48 | 6126 |
| Beatty | 04:35:57 | -27.8 | Dark | Down | 32.9 | 305.2 | Up | 04:25:14 - 04:46:39 | 6122 |
| Hawthorne | 04:35:51 | -25.7 | Dark | Down | 35.1 | 303.7 | Up | 04:25:08 - 04:46:33 | 6108 |
| Susanville | 04:35:43 | -23.3 | Dark | Down | 37.4 | 301.9 | Up | 04:25:01 - 04:46:26 | 6106 |
| Parker | 04:36:07 | -31.0 | Dark | Down | 29.6 | 307.3 | Low | 04:25:24 - 04:46:49 | 6106 |
| Yerington | 04:35:49 | -25.1 | Dark | Down | 35.7 | 303.2 | Up | 04:25:06 - 04:46:31 | 6105 |
| Fall River/Burney | 04:35:41 | -22.5 | Dark | Down | 38.2 | 301.2 | Up | 04:24:58 - 04:46:23 | 6102 |
| Reno | 04:35:46 | -24.4 | Dark | Down | 36.4 | 302.7 | Up | 04:25:04 - 04:46:29 | 6101 |
| Carson City | 04:35:48 | -24.6 | Dark | Down | 36.2 | 302.9 | Up | 04:25:05 - 04:46:30 | 6079 |
| Portola | 04:35:45 | -23.8 | Dark | Down | 37.0 | 302.3 | Up | 04:25:03 - 04:46:28 | 6078 |
| Gimple | 04:35:44 | -23.4 | Dark | Down | 37.4 | 302.0 | Up | 04:25:02 - 04:46:27 | 6075 |
| Greenville | 04:35:44 | -23.3 | Dark | Down | 37.5 | 301.9 | Up | 04:25:02 - 04:46:27 | 6070 |
| Gardnerville | 04:35:48 | -24.7 | Dark | Down | 36.0 | 303.1 | Up | 04:25:06 - 04:46:31 | 6066 |
| Quincy | 04:35:44 | -23.4 | Dark | Down | 37.4 | 302.1 | Up | 04:25:02 - 04:46:27 | 6057 |
| Blythe | 04:36:07 | -31.1 | Dark | Down | 29.5 | 307.4 | Low | 04:25:25 - 04:46:50 | 6052 |
| Bishop | 04:35:54 | -26.5 | Dark | Down | 34.3 | 304.4 | Up | 04:25:12 - 04:46:37 | 6048 |
| Lee Vining | 04:35:52 | -25.7 | Dark | Down | 35.1 | 303.9 | Up | 04:25:10 - 04:46:35 | 6041 |
| Yuma | 04:36:11 | -31.6 | Dark | Down | 29.0 | 307.8 | Low | 04:25:28 - 04:46:53 | 5989 |
| Calipatria | 04:36:09 | -30.7 | Dark | Down | 29.8 | 307.4 | Low | 04:25:27 - 04:46:52 | 5957 |
| Idyllwild | 04:36:07 | -29.6 | Dark | Down | 31.0 | 306.8 | Up | 04:25:24 - 04:46:49 | 5919 |
| Wildwood | 04:36:05 | -28.0 | Dark | Down | 32.5 | 306.2 | Up | 04:25:22 - 04:46:47 | 5817 |
| CPSLO | 04:35:59 | -25.9 | Dark | Down | 34.6 | 305.0 | Up | 04:25:17 - 04:46:42 | 5764 |
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 06UX184, (2021/04/04 04:33UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 29.04 147 Mirphak 03:24:19.4 +49:51:40 1.8 11.43 133 53 Per 04:21:33.1 +46:29:56 4.7 1.41 144 PPM 047057 04:25:29.1 +46:08:38 7.2 0.72 144 PPM 047099 04:28:21.4 +45:22:50 9.6 0.22 145 06UX184 04:27:15.2 +45:29:18 12.9 145 Positions are for J2000
Event circumstances last updated at 2021/01/19 21:44:28 UT
Marc W. Buie, Southwest Research Institute