Event between 05JB186 and star GA0740:06834234 with event index number of 276310
Geocentric closest approach at 2020/08/06 05:27:39 UTC
J2000 position of star is 17:06:23.6 -15:34:54
Equinox of date position of star is 17:07:27.5 -15:36:19
Stellar brightness G=15.2,
use SENSEUP=128
Star is 88 degrees from the moon.
Moon is 93% illuminated.
TNO apparent brightness V=23.6
[RECON map]
TNO is 37.2 AU from the Sun
and 36.7 AU from the Earth.
The TNO is moving 11.0
km/sec on the sky relative to the star, or,
1.5 arcsec/hr.
The 1-sigma error in the time of the event is 2515 seconds.
The 1-sigma cross-track error in the shadow position is
5527 km.
The sky-plane scale is
26593.9 km/arcsec.
The TNO has an absolute magnitude Hv=7.8
Diameter=167.5 km assuming a 5% albedo -- 15.2 sec chord
Diameter=68.4 km assuming a 30% albedo -- 6.2 sec chord
Dynamical classification is SCATEXTD
Star training set for 05JB186, (2020/08/06 05:28UT) Object RA Dec mag sep mel Antares 16:30:40.4 -26:28:33 0.9 13.85 94 35Eta Oph 17:11:33.7 -15:44:56 2.6 0.97 87 PPM 232651 17:09:26.7 -17:38:05 6.0 2.08 87 PPM 232639 17:08:56.9 -16:07:07 6.9 0.61 87 PPM 232608 17:07:31.9 -15:28:00 9.4 0.14 88 05JB186 17:07:34.4 -15:36:28 15.2 87 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
0.4 sigma about the mid-time.
The median site spacing is 15.4 km
RECON observability=1.0 and success probability=4.3%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Penticton | 05:25:11 | -15.2 | AT | Up | 22.4 | 201.3 | Low | 05:10:11 - 05:40:11 | 6371 |
| Oroville | 05:25:09 | -15.7 | AT | Up | 23.0 | 201.5 | Low | 05:10:09 - 05:40:09 | 6341 |
| Tonasket | 05:25:08 | -15.9 | AT | Up | 23.2 | 201.5 | Low | 05:10:08 - 05:40:08 | 6329 |
| Okanogan | 05:25:07 | -16.0 | AT | Up | 23.5 | 201.4 | Low | 05:10:07 - 05:40:07 | 6313 |
| Brewster | 05:25:09 | -16.2 | AT | Up | 23.8 | 201.2 | Low | 05:10:09 - 05:40:09 | 6301 |
| Manson/Chelan | 05:25:11 | -16.2 | AT | Up | 24.1 | 200.9 | Low | 05:10:11 - 05:40:11 | 6294 |
| Entiat | 05:25:11 | -16.3 | AT | Up | 24.3 | 200.9 | Low | 05:10:11 - 05:40:11 | 6283 |
| Wenatchee | 05:25:11 | -16.5 | AT | Up | 24.6 | 200.8 | Low | 05:10:11 - 05:40:11 | 6270 |
| Ellensburg | 05:25:11 | -16.7 | AT | Up | 25.0 | 200.6 | Low | 05:10:11 - 05:40:11 | 6251 |
| Yakima | 05:25:10 | -17.0 | AT | Up | 25.4 | 200.7 | Low | 05:10:10 - 05:40:10 | 6229 |
| Toppenish/White Swan | 05:25:10 | -17.2 | AT | Up | 25.6 | 200.9 | Low | 05:10:10 - 05:40:10 | 6216 |
| Pasco | 05:25:02 | -17.9 | AT | Up | 25.4 | 202.2 | Low | 05:10:02 - 05:40:02 | 6197 |
| Goldendale | 05:25:10 | -17.4 | AT | Up | 26.2 | 200.6 | Low | 05:10:10 - 05:40:10 | 6189 |
| PNWRO | 05:24:59 | -18.2 | Dark | Up | 25.6 | 202.5 | Low | 05:09:59 - 05:39:59 | 6181 |
| George/Umatilla | 05:25:00 | -18.0 | Dark | Up | 25.8 | 202.0 | Low | 05:10:00 - 05:40:00 | 6181 |
| The Dalles | 05:25:13 | -17.4 | AT | Up | 26.5 | 200.2 | Low | 05:10:13 - 05:40:13 | 6180 |
| Maupin | 05:25:11 | -17.8 | AT | Up | 26.9 | 200.4 | Low | 05:10:11 - 05:40:11 | 6156 |
| Madras/Culver | 05:25:10 | -18.2 | Dark | Up | 27.4 | 200.5 | Low | 05:10:10 - 05:40:10 | 6125 |
| Sisters | 05:25:12 | -18.2 | Dark | Up | 27.8 | 200.0 | Low | 05:10:12 - 05:40:12 | 6111 |
| Redmond | 05:25:10 | -18.4 | Dark | Up | 27.8 | 200.5 | Low | 05:10:10 - 05:40:10 | 6105 |
| Bend | 05:25:09 | -18.5 | Dark | Up | 28.0 | 200.3 | Low | 05:10:09 - 05:40:09 | 6094 |
| Oregon Observatory | 05:25:12 | -18.6 | Dark | Up | 28.2 | 200.3 | Low | 05:10:12 - 05:40:12 | 6085 |
| La Pine/Gilchrist | 05:25:11 | -18.7 | Dark | Up | 28.4 | 200.2 | Low | 05:10:11 - 05:40:11 | 6074 |
| North Lake | 05:25:06 | -19.3 | Dark | Up | 28.6 | 200.9 | Low | 05:10:06 - 05:40:06 | 6043 |
| Chiloquin | 05:25:12 | -19.4 | Dark | Up | 29.5 | 200.1 | Low | 05:10:12 - 05:40:12 | 6011 |
| Paisley | 05:25:03 | -19.9 | Dark | Up | 29.1 | 201.4 | Low | 05:10:03 - 05:40:03 | 6006 |
| Klamath Falls | 05:25:10 | -19.7 | Dark | Up | 29.8 | 200.2 | Low | 05:10:10 - 05:40:10 | 5990 |
| Lakeview | 05:25:01 | -20.4 | Dark | Up | 29.5 | 201.7 | Low | 05:10:01 - 05:40:01 | 5973 |
| Tulelake | 05:25:08 | -20.0 | Dark | Up | 30.0 | 200.6 | Up | 05:10:08 - 05:40:08 | 5970 |
| Cedarville | 05:24:57 | -20.9 | Dark | Up | 30.1 | 202.0 | Up | 05:09:57 - 05:39:57 | 5931 |
| Fall River/Burney | 05:25:05 | -20.7 | Dark | Up | 30.8 | 200.8 | Up | 05:10:05 - 05:40:05 | 5913 |
| Susanville | 05:24:59 | -21.5 | Dark | Up | 31.2 | 201.7 | Up | 05:09:59 - 05:39:59 | 5866 |
| Greenville | 05:25:01 | -21.6 | Dark | Up | 31.6 | 201.5 | Up | 05:10:01 - 05:40:01 | 5851 |
| Gimple | 05:25:00 | -21.6 | Dark | Up | 31.5 | 201.6 | Up | 05:10:00 - 05:40:00 | 5850 |
| Quincy | 05:25:00 | -21.7 | Dark | Up | 31.8 | 201.5 | Up | 05:10:00 - 05:40:00 | 5838 |
| Portola | 05:24:57 | -22.1 | Dark | Up | 31.7 | 202.1 | Up | 05:09:57 - 05:39:57 | 5825 |
| Reno | 05:24:52 | -22.6 | Dark | Up | 31.8 | 202.8 | Up | 05:09:52 - 05:39:52 | 5801 |
| Carson City | 05:24:51 | -22.9 | Dark | Up | 32.1 | 202.9 | Up | 05:09:51 - 05:39:51 | 5777 |
| Gardnerville | 05:24:50 | -23.1 | Dark | Up | 32.3 | 203.0 | Up | 05:09:50 - 05:39:50 | 5760 |
| Yerington | 05:24:46 | -23.3 | Dark | Up | 32.1 | 203.6 | Up | 05:09:46 - 05:39:46 | 5757 |
| Hawthorne | 05:24:41 | -23.9 | Dark | Up | 32.4 | 204.3 | Up | 05:09:41 - 05:39:41 | 5720 |
| Lee Vining | 05:24:44 | -24.1 | Dark | Up | 33.0 | 203.9 | Up | 05:09:44 - 05:39:44 | 5687 |
| Tonopah | 05:24:30 | -25.0 | Dark | Up | 32.3 | 205.9 | Up | 05:09:30 - 05:39:30 | 5672 |
| Niwot | 05:23:16 | -28.4 | Dark | Up | 25.8 | 217.1 | Low | 05:08:16 - 05:38:16 | 5647 |
| Bishop | 05:24:37 | -24.9 | Dark | Up | 33.4 | 204.9 | Up | 05:09:37 - 05:39:37 | 5638 |
| Beatty | 05:24:25 | -26.1 | Dark | Up | 33.2 | 206.7 | Up | 05:09:25 - 05:39:25 | 5587 |
| Lone Pine | 05:24:33 | -25.7 | Dark | Up | 33.9 | 205.4 | Up | 05:09:33 - 05:39:33 | 5582 |
| Indian Springs | 05:24:16 | -26.9 | Dark | Up | 33.1 | 207.9 | Up | 05:09:16 - 05:39:16 | 5551 |
| CPSLO | 05:24:50 | -25.2 | Dark | Up | 36.0 | 203.0 | Up | 05:09:50 - 05:39:50 | 5519 |
| Henderson | 05:24:09 | -27.6 | Dark | Up | 33.3 | 208.8 | Up | 05:09:09 - 05:39:09 | 5504 |
| Searchlight/Boulder City | 05:24:08 | -28.1 | Dark | Up | 33.8 | 209.0 | Up | 05:09:08 - 05:39:08 | 5462 |
| Patrick | 05:24:02 | -28.7 | Dark | Up | 33.5 | 210.1 | Up | 05:09:02 - 05:39:02 | 5444 |
| Laughlin/Bullhead City | 05:24:05 | -28.5 | Dark | Up | 34.0 | 209.5 | Up | 05:09:05 - 05:39:05 | 5436 |
| Kingman/Dolan Springs | 05:24:02 | -28.8 | Dark | Up | 33.7 | 210.0 | Up | 05:09:02 - 05:39:02 | 5431 |
| Mohave Valley | 05:24:05 | -28.7 | Dark | Up | 34.2 | 209.6 | Up | 05:09:05 - 05:39:05 | 5416 |
| DCO | 05:23:55 | -29.3 | Dark | Up | 33.4 | 210.9 | Up | 05:08:55 - 05:38:55 | 5412 |
| Wildwood | 05:24:33 | -27.2 | Dark | Up | 36.4 | 205.6 | Up | 05:09:33 - 05:39:33 | 5408 |
| Lake Havasu City | 05:24:02 | -29.2 | Dark | Up | 34.4 | 210.0 | Up | 05:09:02 - 05:39:02 | 5383 |
| Idyllwild | 05:24:19 | -28.5 | Dark | Up | 36.0 | 207.7 | Up | 05:09:19 - 05:39:19 | 5358 |
| Parker | 05:24:01 | -29.5 | Dark | Up | 34.7 | 210.1 | Up | 05:09:01 - 05:39:01 | 5357 |
| Blythe | 05:24:02 | -29.7 | Dark | Up | 35.3 | 210.0 | Up | 05:09:02 - 05:39:02 | 5322 |
| Calipatria | 05:24:08 | -29.6 | Dark | Up | 36.1 | 209.2 | Up | 05:09:08 - 05:39:08 | 5297 |
| Yuma | 05:24:01 | -30.4 | Dark | Up | 36.1 | 210.3 | Up | 05:09:01 - 05:39:01 | 5253 |
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 05JB186, (2020/08/06 05:28UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 13.85 94 35Eta Oph 17:10:22.7 -15:43:29 2.6 0.97 87 PPM 232651 17:08:14.9 -17:36:33 6.0 2.08 87 PPM 232639 17:07:45.8 -16:05:35 6.9 0.61 87 PPM 232608 17:06:21.2 -15:26:26 9.4 0.14 88 05JB186 17:06:23.6 -15:34:54 15.2 88 Positions are for J2000
Event circumstances last updated at 2018/08/01 18:03:39 UT
Marc W. Buie, Southwest Research Institute