Event between 14JE80 and star GA0740:20517809 with event index number of 1111330
Geocentric closest approach at 2021/08/05 07:56:46 UTC
J2000 position of star is 18:35:34.8 -14:27:56
Equinox of date position of star is 18:36:47.5 -14:26:49
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 169 degrees from the moon.
Moon is 11% illuminated.
TNO apparent brightness V=22.4
[RECON map]
TNO is 18.2 AU from the Sun
and 17.4 AU from the Earth.
The TNO is moving 17.2
km/sec on the sky relative to the star, or,
4.9 arcsec/hr.
The 1-sigma error in the time of the event is 185 seconds.
The 1-sigma cross-track error in the shadow position is
2403 km.
The sky-plane scale is
12618.3 km/arcsec.
The TNO has an absolute magnitude Hv=9.7
Diameter=70.1 km assuming a 5% albedo -- 4.1 sec chord
Diameter=28.6 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
Star training set for 14JE80, (2021/08/05 07:57UT) Object RA Dec mag sep mel Antares 16:30:44.1 -26:28:41 0.9 31.77 154 Nunki 18:56:36.2 -26:16:05 2.0 12.69 173 PPM 234707 18:34:53.1 -14:50:09 6.1 0.61 169 PPM 234731 18:35:47.1 -14:33:02 7.8 0.27 169 PPM 234749 18:36:34.7 -14:40:00 8.6 0.23 169 14JE80 18:36:48.6 -14:26:48 16.9 168 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
4.9 sigma about the mid-time.
The median site spacing is 22.8 km
RECON observability=0.9 and success probability=4.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Victoria | 07:52:37 | -24.3 | Dark | Down | 21.6 | 211.3 | Low | 07:37:37 - 08:07:37 | 6629 |
| Clarence Fulton | 07:52:27 | -22.8 | Dark | Down | 18.7 | 214.9 | Really Low | 07:37:27 - 08:07:27 | 6597 |
| Peachland | 07:52:27 | -23.3 | Dark | Down | 19.3 | 214.5 | Really Low | 07:37:27 - 08:07:27 | 6580 |
| Kelowna | 07:52:28 | -23.2 | Dark | Down | 19.1 | 214.8 | Really Low | 07:37:28 - 08:07:28 | 6577 |
| Summerland | 07:52:27 | -23.5 | Dark | Down | 19.4 | 214.7 | Really Low | 07:37:27 - 08:07:27 | 6566 |
| Penticton | 07:52:26 | -23.5 | Dark | Down | 19.4 | 214.8 | Really Low | 07:37:26 - 08:07:26 | 6558 |
| Oliver | 07:52:27 | -23.9 | Dark | Down | 19.7 | 214.9 | Really Low | 07:37:27 - 08:07:27 | 6534 |
| Anarchist Mountain Observatory | 07:52:27 | -24.1 | Dark | Down | 19.8 | 215.1 | Really Low | 07:37:27 - 08:07:27 | 6516 |
| Tonasket | 07:52:26 | -24.4 | Dark | Down | 20.1 | 215.1 | Low | 07:37:26 - 08:07:26 | 6497 |
| Okanogan | 07:52:25 | -24.7 | Dark | Down | 20.4 | 215.0 | Low | 07:37:25 - 08:07:25 | 6479 |
| Brewster | 07:52:25 | -25.0 | Dark | Down | 20.7 | 214.9 | Low | 07:37:25 - 08:07:25 | 6468 |
| Manson/Chelan | 07:52:27 | -25.2 | Dark | Down | 21.0 | 214.6 | Low | 07:37:27 - 08:07:27 | 6467 |
| Wenatchee | 07:52:28 | -25.6 | Dark | Down | 21.5 | 214.5 | Low | 07:37:28 - 08:07:28 | 6440 |
| Ellensburg | 07:52:27 | -26.0 | Dark | Down | 21.9 | 214.4 | Low | 07:37:27 - 08:07:27 | 6420 |
| Yakima | 07:52:26 | -26.4 | Dark | Down | 22.2 | 214.5 | Low | 07:37:26 - 08:07:26 | 6392 |
| Toppenish/White Swan | 07:52:27 | -26.7 | Dark | Down | 22.3 | 214.7 | Low | 07:37:27 - 08:07:27 | 6370 |
| Goldendale | 07:52:27 | -27.2 | Dark | Down | 23.0 | 214.4 | Low | 07:37:27 - 08:07:27 | 6347 |
| The Dalles | 07:52:27 | -27.4 | Dark | Down | 23.3 | 214.1 | Low | 07:37:27 - 08:07:27 | 6345 |
| Pasco | 07:52:22 | -26.8 | Dark | Down | 21.9 | 215.9 | Low | 07:37:22 - 08:07:22 | 6313 |
| Maupin | 07:52:27 | -27.8 | Dark | Down | 23.6 | 214.3 | Low | 07:37:27 - 08:07:27 | 6312 |
| PNWRO | 07:52:22 | -27.1 | Dark | Down | 22.0 | 216.2 | Low | 07:37:22 - 08:07:22 | 6287 |
| Sisters | 07:52:29 | -28.7 | Dark | Down | 24.5 | 214.0 | Low | 07:37:29 - 08:07:29 | 6268 |
| Redmond | 07:52:27 | -28.7 | Dark | Down | 24.4 | 214.4 | Low | 07:37:27 - 08:07:27 | 6250 |
| Bend | 07:52:28 | -28.9 | Dark | Down | 24.6 | 214.4 | Low | 07:37:28 - 08:07:28 | 6241 |
| Oregon Observatory | 07:52:27 | -29.1 | Dark | Down | 24.8 | 214.3 | Low | 07:37:27 - 08:07:27 | 6233 |
| La Pine/Gilchrist | 07:52:28 | -29.3 | Dark | Down | 25.0 | 214.3 | Low | 07:37:28 - 08:07:28 | 6221 |
| North Lake | 07:52:26 | -29.7 | Dark | Down | 25.1 | 215.0 | Low | 07:37:26 - 08:07:26 | 6165 |
| Chiloquin | 07:52:28 | -30.4 | Dark | Down | 26.1 | 214.2 | Low | 07:37:28 - 08:07:28 | 6153 |
| Klamath Falls | 07:52:29 | -30.7 | Dark | Down | 26.3 | 214.4 | Low | 07:37:29 - 08:07:29 | 6125 |
| Paisley | 07:52:25 | -30.3 | Dark | Down | 25.4 | 215.5 | Low | 07:37:25 - 08:07:25 | 6109 |
| Lakeview | 07:52:25 | -30.8 | Dark | Down | 25.7 | 215.8 | Low | 07:37:25 - 08:07:25 | 6064 |
| Fall River/Burney | 07:52:27 | -31.9 | Dark | Down | 27.1 | 215.1 | Low | 07:37:27 - 08:07:27 | 6020 |
| Cedarville | 07:52:22 | -31.5 | Dark | Down | 26.2 | 216.1 | Low | 07:37:22 - 08:07:22 | 6007 |
| Susanville | 07:52:25 | -32.6 | Dark | Down | 27.3 | 216.0 | Low | 07:37:25 - 08:07:25 | 5942 |
| Greenville | 07:52:26 | -32.8 | Dark | Down | 27.7 | 215.8 | Low | 07:37:26 - 08:07:26 | 5933 |
| Gimple | 07:52:24 | -32.8 | Dark | Down | 27.6 | 215.9 | Low | 07:37:24 - 08:07:24 | 5929 |
| Quincy | 07:52:26 | -33.0 | Dark | Down | 27.8 | 215.9 | Low | 07:37:26 - 08:07:26 | 5917 |
| Portola | 07:52:24 | -33.2 | Dark | Down | 27.7 | 216.4 | Low | 07:37:24 - 08:07:24 | 5887 |
| Reno | 07:52:21 | -33.5 | Dark | Down | 27.6 | 217.1 | Low | 07:37:21 - 08:07:21 | 5839 |
| Carson City | 07:52:20 | -33.9 | Dark | Down | 27.9 | 217.2 | Low | 07:37:20 - 08:07:20 | 5810 |
| Gardnerville | 07:52:21 | -34.1 | Dark | Down | 28.1 | 217.3 | Low | 07:37:21 - 08:07:21 | 5789 |
| Yerington | 07:52:19 | -34.1 | Dark | Down | 27.8 | 217.9 | Low | 07:37:19 - 08:07:19 | 5768 |
| Hawthorne | 07:52:17 | -34.6 | Dark | Down | 27.9 | 218.5 | Low | 07:37:17 - 08:07:17 | 5708 |
| Lee Vining | 07:52:19 | -35.1 | Dark | Down | 28.6 | 218.2 | Low | 07:37:19 - 08:07:19 | 5684 |
| Tonopah | 07:52:11 | -35.1 | Dark | Down | 27.6 | 220.0 | Low | 07:37:11 - 08:07:11 | 5610 |
| Bishop | 07:52:15 | -35.7 | Dark | Down | 28.7 | 219.1 | Low | 07:37:15 - 08:07:15 | 5604 |
| CPSLO | 07:52:24 | -37.7 | Dark | Down | 31.4 | 217.7 | Up | 07:37:24 - 08:07:24 | 5536 |
| Beatty | 07:52:10 | -36.2 | Dark | Down | 28.2 | 220.8 | Low | 07:37:10 - 08:07:10 | 5496 |
| Indian Springs | 07:52:06 | -36.5 | Dark | Down | 27.9 | 221.9 | Low | 07:37:06 - 08:07:06 | 5422 |
| Henderson | 07:52:04 | -37.1 | Dark | Down | 27.9 | 222.7 | Low | 07:37:04 - 08:07:04 | 5346 |
| Wildwood | 07:52:17 | -39.0 | Dark | Down | 31.3 | 220.1 | Up | 07:37:17 - 08:07:17 | 5344 |
| Dunrhomin | 07:51:37 | -31.9 | Dark | Down | 19.5 | 229.7 | Really Low | 07:36:37 - 08:06:37 | 5297 |
| Laughlin/Bullhead City | 07:52:03 | -37.9 | Dark | Down | 28.3 | 223.4 | Low | 07:37:03 - 08:07:03 | 5255 |
| Patrick | 07:52:01 | -37.7 | Dark | Down | 27.7 | 223.9 | Low | 07:37:01 - 08:07:01 | 5244 |
| Kingman/Dolan Springs | 07:52:01 | -37.9 | Dark | Down | 28.0 | 223.8 | Low | 07:37:01 - 08:07:01 | 5234 |
| Mohave Valley | 07:52:02 | -38.2 | Dark | Down | 28.5 | 223.5 | Low | 07:37:02 - 08:07:02 | 5231 |
| Idyllwild | 07:52:10 | -39.4 | Dark | Down | 30.6 | 222.0 | Up | 07:37:10 - 08:07:10 | 5228 |
| Lake Havasu City | 07:52:02 | -38.6 | Dark | Down | 28.7 | 223.9 | Low | 07:37:02 - 08:07:02 | 5186 |
| Parker | 07:52:02 | -38.9 | Dark | Down | 28.9 | 224.0 | Low | 07:37:02 - 08:07:02 | 5154 |
| Blythe | 07:52:02 | -39.5 | Dark | Down | 29.5 | 223.9 | Low | 07:37:02 - 08:07:02 | 5122 |
| Calipatria | 07:52:06 | -40.0 | Dark | Down | 30.3 | 223.3 | Up | 07:37:06 - 08:07:06 | 5122 |
| Yuma | 07:52:02 | -40.4 | Dark | Down | 30.1 | 224.3 | Up | 07:37:02 - 08:07:02 | 5044 |
| George/Scottsdale | 07:51:54 | -39.2 | Dark | Down | 27.8 | 226.3 | Low | 07:36:54 - 08:06:54 | 5009 |
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 14JE80, (2021/08/05 07:57UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 31.77 154 Nunki 18:55:15.9 -26:17:49 2.0 12.69 173 PPM 234707 18:33:39.1 -14:51:14 6.1 0.61 169 PPM 234731 18:34:33.3 -14:34:08 7.8 0.27 169 PPM 234749 18:35:20.8 -14:41:08 8.6 0.23 169 14JE80 18:35:34.8 -14:27:56 16.9 169 Positions are for J2000
Event circumstances last updated at 2021/04/08 23:42:37 UT
Marc W. Buie, Southwest Research Institute