Event between (120178) 03OP32 and star GA0920:18038742 with event index number of 203383
Geocentric closest approach at 2019/07/07 07:59:27 UTC
J2000 position of star is 22:36:50.3 +03:12:39
Equinox of date position of star is 22:37:49.5 +03:18:44
Stellar brightness G=18.6,
use SENSEUP=128
Star is 164 degrees from the moon.
Moon is 27% illuminated.
TNO apparent brightness V=20.4
[RECON map]
TNO is 42.4 AU from the Sun
and 41.9 AU from the Earth.
The TNO is moving 12.0
km/sec on the sky relative to the star, or,
1.4 arcsec/hr.
The 1-sigma error in the time of the event is 283 seconds.
The 1-sigma cross-track error in the shadow position is
2100 km.
The sky-plane scale is
30387.3 km/arcsec.
The TNO has an absolute magnitude Hv=4.0
Diameter=1000.0 km assuming a 5% albedo -- 79.5 sec chord
Diameter=408.3 km assuming a 30% albedo -- 32.5 sec chord
Dynamical classification is SCATEXTD
Star training set for 120178, (2019/07/07 07:59UT) Object RA Dec mag sep mel Fomalhaut 22:58:43.5 -29:31:06 1.2 33.21 159 Markab 23:05:44.1 +15:18:38 2.5 13.83 155 37 Peg 22:30:57.1 +04:31:52 5.9 2.10 162 PPM 173268 22:39:28.9 +02:24:02 8.2 1.00 165 PPM 173222 22:36:52.5 +03:16:53 10.0 0.24 164 120178 22:37:49.8 +03:18:45 18.6 164 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
3.2 sigma about the mid-time.
The median site spacing is 16.1 km
RECON observability=1.0 and success probability=0.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 08:03:02 | -17.5 | AT | Down | 25.6 | 118.1 | Low | 07:48:02 - 08:18:02 | 11549 |
| Summerland | 08:03:05 | -17.8 | AT | Down | 25.5 | 117.8 | Low | 07:48:05 - 08:18:05 | 11533 |
| Penticton | 08:03:05 | -17.9 | AT | Down | 25.6 | 117.8 | Low | 07:48:05 - 08:18:05 | 11528 |
| Okanagan Falls | 08:03:06 | -18.1 | Dark | Down | 25.7 | 117.7 | Low | 07:48:06 - 08:18:06 | 11516 |
| Oliver | 08:03:07 | -18.2 | Dark | Down | 25.8 | 117.7 | Low | 07:48:07 - 08:18:07 | 11505 |
| Anarchist Mountain Observatory | 08:03:06 | -18.4 | Dark | Down | 26.0 | 117.8 | Low | 07:48:06 - 08:18:06 | 11492 |
| Oroville | 08:03:08 | -18.5 | Dark | Down | 26.0 | 117.7 | Low | 07:48:08 - 08:18:08 | 11488 |
| Tonasket | 08:03:10 | -18.7 | Dark | Down | 26.1 | 117.6 | Low | 07:48:10 - 08:18:10 | 11473 |
| Okanogan | 08:03:13 | -19.0 | Dark | Down | 26.2 | 117.3 | Low | 07:48:13 - 08:18:13 | 11453 |
| Brewster | 08:03:15 | -19.3 | Dark | Down | 26.2 | 117.0 | Low | 07:48:15 - 08:18:15 | 11437 |
| Manson/Chelan | 08:03:18 | -19.5 | Dark | Down | 26.1 | 116.6 | Low | 07:48:18 - 08:18:18 | 11427 |
| Entiat | 08:03:19 | -19.7 | Dark | Down | 26.1 | 116.5 | Low | 07:48:19 - 08:18:19 | 11413 |
| Wenatchee | 08:03:19 | -20.0 | Dark | Down | 26.2 | 116.3 | Low | 07:48:19 - 08:18:19 | 11397 |
| Ellensburg | 08:03:24 | -20.4 | Dark | Down | 26.2 | 115.9 | Low | 07:48:24 - 08:18:24 | 11371 |
| Yakima | 08:03:27 | -20.8 | Dark | Down | 26.4 | 115.7 | Low | 07:48:27 - 08:18:27 | 11344 |
| Toppenish/White Swan | 08:03:24 | -21.0 | Dark | Down | 26.6 | 115.8 | Low | 07:48:24 - 08:18:24 | 11327 |
| Pasco | 08:03:24 | -21.1 | Dark | Down | 27.5 | 116.8 | Low | 07:48:24 - 08:18:24 | 11306 |
| Goldendale | 08:03:32 | -21.6 | Dark | Down | 26.6 | 115.2 | Low | 07:48:32 - 08:18:32 | 11294 |
| PNWRO | 08:03:23 | -21.4 | Dark | Down | 27.7 | 116.9 | Low | 07:48:23 - 08:18:23 | 11286 |
| George/Umatilla | 08:03:27 | -21.5 | Dark | Down | 27.5 | 116.5 | Low | 07:48:27 - 08:18:27 | 11285 |
| The Dalles | 08:03:36 | -21.8 | Dark | Down | 26.5 | 114.8 | Low | 07:48:36 - 08:18:36 | 11282 |
| Maupin | 08:03:38 | -22.2 | Dark | Down | 26.7 | 114.7 | Low | 07:48:38 - 08:18:38 | 11251 |
| Madras/Culver | 08:03:41 | -22.8 | Dark | Down | 26.9 | 114.4 | Low | 07:48:41 - 08:18:41 | 11213 |
| Sisters | 08:03:42 | -23.1 | Dark | Down | 26.8 | 113.9 | Low | 07:48:42 - 08:18:42 | 11194 |
| Redmond | 08:03:44 | -23.1 | Dark | Down | 27.1 | 114.2 | Low | 07:48:44 - 08:18:44 | 11188 |
| Bend | 08:03:42 | -23.3 | Dark | Down | 27.0 | 114.0 | Low | 07:48:42 - 08:18:42 | 11175 |
| Oregon Observatory | 08:03:47 | -23.5 | Dark | Down | 27.0 | 113.8 | Low | 07:48:47 - 08:18:47 | 11163 |
| La Pine/Gilchrist | 08:03:48 | -23.7 | Dark | Down | 27.1 | 113.7 | Low | 07:48:48 - 08:18:48 | 11149 |
| North Lake | 08:03:49 | -24.1 | Dark | Down | 27.7 | 114.0 | Low | 07:48:49 - 08:18:49 | 11111 |
| Chiloquin | 08:03:57 | -24.8 | Dark | Down | 27.3 | 112.9 | Low | 07:48:57 - 08:18:57 | 11072 |
| Paisley | 08:03:51 | -24.7 | Dark | Down | 28.1 | 114.0 | Low | 07:48:51 - 08:18:51 | 11067 |
| Klamath Falls | 08:03:58 | -25.2 | Dark | Down | 27.5 | 112.8 | Low | 07:48:58 - 08:18:58 | 11046 |
| Lakeview | 08:03:52 | -25.2 | Dark | Down | 28.5 | 113.9 | Low | 07:48:52 - 08:18:52 | 11027 |
| Tulelake | 08:03:59 | -25.4 | Dark | Down | 27.8 | 112.9 | Low | 07:48:59 - 08:18:59 | 11022 |
| Cedarville | 08:03:56 | -25.9 | Dark | Down | 28.9 | 113.8 | Low | 07:48:56 - 08:18:56 | 10976 |
| Fall River/Burney | 08:04:04 | -26.3 | Dark | Down | 28.2 | 112.5 | Low | 07:49:04 - 08:19:04 | 10953 |
| Susanville | 08:04:05 | -27.0 | Dark | Down | 29.0 | 112.8 | Low | 07:49:05 - 08:19:05 | 10896 |
| Greenville | 08:04:08 | -27.3 | Dark | Down | 28.9 | 112.5 | Low | 07:49:08 - 08:19:08 | 10878 |
| Gimple | 08:04:07 | -27.3 | Dark | Down | 29.0 | 112.5 | Low | 07:49:07 - 08:19:07 | 10877 |
| Quincy | 08:04:09 | -27.5 | Dark | Down | 29.0 | 112.4 | Low | 07:49:09 - 08:19:09 | 10862 |
| Portola | 08:04:08 | -27.6 | Dark | Down | 29.4 | 112.7 | Low | 07:49:08 - 08:19:08 | 10847 |
| Reno | 08:04:07 | -27.9 | Dark | Down | 29.9 | 113.1 | Low | 07:49:07 - 08:19:07 | 10819 |
| Carson City | 08:04:08 | -28.2 | Dark | Down | 30.1 | 112.9 | Up | 07:49:08 - 08:19:08 | 10790 |
| Gardnerville | 08:04:09 | -28.5 | Dark | Down | 30.2 | 112.8 | Up | 07:49:09 - 08:19:09 | 10770 |
| Yerington | 08:04:07 | -28.4 | Dark | Down | 30.6 | 113.3 | Up | 07:49:07 - 08:19:07 | 10767 |
| Hawthorne | 08:04:07 | -28.9 | Dark | Down | 31.2 | 113.5 | Up | 07:49:07 - 08:19:07 | 10724 |
| Lee Vining | 08:04:12 | -29.4 | Dark | Down | 31.1 | 112.8 | Up | 07:49:12 - 08:19:12 | 10685 |
| Niwot | 08:02:54 | -25.9 | Dark | Down | 39.2 | 126.4 | Up | 07:47:54 - 08:17:54 | 10681 |
| SwRI | 08:02:55 | -26.0 | Dark | Down | 39.2 | 126.2 | Up | 07:47:55 - 08:17:55 | 10674 |
| Tonopah | 08:04:04 | -29.3 | Dark | Down | 32.4 | 114.4 | Up | 07:49:04 - 08:19:04 | 10669 |
| Bishop | 08:04:12 | -30.0 | Dark | Down | 31.8 | 113.0 | Up | 07:49:12 - 08:19:12 | 10627 |
| Beatty | 08:04:07 | -30.4 | Dark | Down | 33.2 | 114.1 | Up | 07:49:07 - 08:19:07 | 10569 |
| Lone Pine | 08:04:15 | -30.8 | Dark | Down | 32.4 | 112.9 | Up | 07:49:15 - 08:19:15 | 10561 |
| Indian Springs | 08:04:04 | -30.7 | Dark | Down | 34.1 | 114.7 | Up | 07:49:04 - 08:19:04 | 10529 |
| CPSLO | 08:04:33 | -32.1 | Dark | Down | 31.0 | 110.2 | Up | 07:49:33 - 08:19:33 | 10485 |
| Henderson | 08:04:04 | -31.2 | Dark | Down | 34.8 | 115.0 | Up | 07:49:04 - 08:19:04 | 10475 |
| Searchlight/Boulder City | 08:04:06 | -31.8 | Dark | Down | 35.1 | 114.7 | Up | 07:49:06 - 08:19:06 | 10426 |
| Patrick | 08:04:01 | -31.7 | Dark | Down | 35.9 | 115.5 | Up | 07:49:01 - 08:19:01 | 10408 |
| Laughlin/Bullhead City | 08:04:06 | -32.0 | Dark | Down | 35.5 | 114.8 | Up | 07:49:06 - 08:19:06 | 10396 |
| Kingman/Dolan Springs | 08:04:03 | -32.0 | Dark | Down | 35.9 | 115.2 | Up | 07:49:03 - 08:19:03 | 10391 |
| Mohave Valley | 08:04:07 | -32.3 | Dark | Down | 35.6 | 114.6 | Up | 07:49:07 - 08:19:07 | 10373 |
| DCO | 08:04:01 | -32.0 | Dark | Down | 36.6 | 115.9 | Up | 07:49:01 - 08:19:01 | 10373 |
| Wildwood | 08:04:31 | -33.3 | Dark | Down | 33.0 | 111.0 | Up | 07:49:31 - 08:19:31 | 10357 |
| Lake Havasu City | 08:04:08 | -32.7 | Dark | Down | 36.0 | 114.5 | Up | 07:49:08 - 08:19:08 | 10336 |
| Parker | 08:04:12 | -33.0 | Dark | Down | 36.2 | 114.3 | Up | 07:49:12 - 08:19:12 | 10305 |
| Idyllwild | 08:04:24 | -33.6 | Dark | Down | 34.5 | 112.2 | Up | 07:49:24 - 08:19:24 | 10302 |
| Blythe | 08:04:17 | -33.6 | Dark | Down | 36.2 | 113.8 | Up | 07:49:17 - 08:19:17 | 10264 |
| Calipatria | 08:04:21 | -34.1 | Dark | Down | 35.7 | 112.7 | Up | 07:49:21 - 08:19:21 | 10233 |
| Yuma | 08:04:19 | -34.5 | Dark | Down | 36.5 | 113.1 | Up | 07:49:19 - 08:19:19 | 10184 |
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 120178, (2019/07/07 07:59UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 33.21 159 Markab 23:04:45.7 +15:12:18 2.5 13.83 155 37 Peg 22:29:57.9 +04:25:51 5.9 2.10 162 PPM 173268 22:38:29.3 +02:17:55 8.2 1.00 165 PPM 173222 22:35:53.0 +03:10:47 10.0 0.24 164 120178 22:36:50.3 +03:12:39 18.6 164 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:23:03 UT
Marc W. Buie, Southwest Research Institute