Event between 15FQ345 and star GA0860:04393460 with event index number of 1047684
Geocentric closest approach at 2020/03/12 11:53:35 UTC
J2000 position of star is 14:44:38.0 -03:29:51
Equinox of date position of star is 14:45:38.8 -03:34:44
Stellar brightness G=15.4,
use SENSEUP=128
Star is 11 degrees from the moon.
Moon is 89% illuminated.
TNO apparent brightness V=22.3
[RECON map]
TNO is 33.7 AU from the Sun
and 33.0 AU from the Earth.
The TNO is moving 14.5
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 466 seconds.
The 1-sigma cross-track error in the shadow position is
3866 km.
The sky-plane scale is
23944.7 km/arcsec.
The TNO has an absolute magnitude Hv=6.9
Diameter=247.8 km assuming a 5% albedo -- 17.1 sec chord
Diameter=101.1 km assuming a 30% albedo -- 7.0 sec chord
Dynamical classification is SCATNEAR
Star training set for 15FQ345, (2020/03/12 11:54UT) Object RA Dec mag sep mel Spica 13:26:15.6 -11:15:58 1.0 21.12 10 27Bet Lib 15:18:05.8 -09:27:22 2.6 9.96 18 11 Lib 14:52:04.0 -02:22:56 6.0 1.99 13 PPM 197868 14:45:33.7 -03:26:52 7.9 0.14 11 PPM 197869 14:45:39.4 -03:43:11 8.8 0.14 11 15FQ345 14:45:41.2 -03:34:55 15.4 11 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
1.9 sigma about the mid-time.
The median site spacing is 8.4 km
RECON observability=1.0 and success probability=1.7%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Niwot | 11:54:52 | -16.3 | AT | Up | 41.6 | 211.4 | Up | 11:39:52 - 12:09:52 | 10010 |
| SwRI | 11:54:52 | -16.4 | AT | Up | 41.7 | 211.3 | Up | 11:39:52 - 12:09:52 | 10000 |
| Kelowna | 11:56:29 | -22.8 | Dark | Up | 36.0 | 191.3 | Up | 11:41:29 - 12:11:29 | 9817 |
| Penticton | 11:56:30 | -23.1 | Dark | Up | 36.4 | 191.2 | Up | 11:41:30 - 12:11:30 | 9793 |
| Summerland | 11:56:30 | -23.1 | Dark | Up | 36.3 | 191.0 | Up | 11:41:30 - 12:11:30 | 9791 |
| Okanagan Falls | 11:56:28 | -23.1 | Dark | Up | 36.6 | 191.2 | Up | 11:41:28 - 12:11:28 | 9784 |
| Anarchist Mountain Observatory | 11:56:27 | -23.2 | Dark | Up | 36.9 | 191.5 | Up | 11:41:27 - 12:11:27 | 9778 |
| Oliver | 11:56:30 | -23.2 | Dark | Up | 36.7 | 191.2 | Up | 11:41:30 - 12:11:30 | 9777 |
| Oroville | 11:56:27 | -23.2 | Dark | Up | 37.0 | 191.4 | Up | 11:41:27 - 12:11:27 | 9771 |
| Tonasket | 11:56:25 | -23.3 | Dark | Up | 37.2 | 191.4 | Up | 11:41:25 - 12:11:25 | 9760 |
| Okanogan | 11:56:25 | -23.6 | Dark | Up | 37.6 | 191.3 | Up | 11:41:25 - 12:11:25 | 9738 |
| Brewster | 11:56:23 | -23.8 | Dark | Up | 37.8 | 191.1 | Up | 11:41:23 - 12:11:23 | 9717 |
| Manson/Chelan | 11:56:27 | -24.1 | Dark | Up | 38.1 | 190.7 | Up | 11:41:27 - 12:11:27 | 9690 |
| Entiat | 11:56:25 | -24.2 | Dark | Up | 38.3 | 190.6 | Up | 11:41:25 - 12:11:25 | 9677 |
| Wenatchee | 11:56:23 | -24.4 | Dark | Up | 38.6 | 190.5 | Up | 11:41:23 - 12:11:23 | 9660 |
| Pasco | 11:56:16 | -24.1 | Dark | Up | 39.6 | 192.2 | Up | 11:41:16 - 12:11:16 | 9658 |
| PNWRO | 11:56:15 | -24.1 | Dark | Up | 39.8 | 192.5 | Up | 11:41:15 - 12:11:15 | 9656 |
| George/Umatilla | 11:56:13 | -24.4 | Dark | Up | 39.9 | 191.9 | Up | 11:41:13 - 12:11:13 | 9631 |
| Ellensburg | 11:56:27 | -24.7 | Dark | Up | 39.0 | 190.3 | Up | 11:41:27 - 12:11:27 | 9629 |
| Yakima | 11:56:23 | -24.9 | Dark | Up | 39.4 | 190.3 | Up | 11:41:23 - 12:11:23 | 9608 |
| Toppenish/White Swan | 11:56:23 | -24.9 | Dark | Up | 39.6 | 190.6 | Up | 11:41:23 - 12:11:23 | 9605 |
| Goldendale | 11:56:22 | -25.4 | Dark | Up | 40.2 | 190.1 | Up | 11:41:22 - 12:11:22 | 9558 |
| The Dalles | 11:56:22 | -25.7 | Dark | Up | 40.5 | 189.6 | Up | 11:41:22 - 12:11:22 | 9529 |
| Maupin | 11:56:17 | -25.8 | Dark | Up | 40.9 | 189.8 | Up | 11:41:17 - 12:11:17 | 9512 |
| Madras/Culver | 11:56:16 | -26.1 | Dark | Up | 41.4 | 189.8 | Up | 11:41:16 - 12:11:16 | 9482 |
| Redmond | 11:56:15 | -26.2 | Dark | Up | 41.8 | 189.8 | Up | 11:41:15 - 12:11:15 | 9460 |
| Sisters | 11:56:16 | -26.5 | Dark | Up | 41.8 | 189.3 | Up | 11:41:16 - 12:11:16 | 9442 |
| Bend | 11:56:16 | -26.4 | Dark | Up | 42.0 | 189.7 | Up | 11:41:16 - 12:11:16 | 9442 |
| Oregon Observatory | 11:56:16 | -26.6 | Dark | Up | 42.2 | 189.5 | Up | 11:41:16 - 12:11:16 | 9426 |
| North Lake | 11:56:10 | -26.5 | Dark | Up | 42.8 | 190.3 | Up | 11:41:10 - 12:11:10 | 9418 |
| La Pine/Gilchrist | 11:56:16 | -26.7 | Dark | Up | 42.4 | 189.5 | Up | 11:41:16 - 12:11:16 | 9412 |
| Paisley | 11:56:08 | -26.4 | Dark | Up | 43.3 | 190.9 | Up | 11:41:08 - 12:11:08 | 9405 |
| Lakeview | 11:56:03 | -26.5 | Dark | Up | 43.7 | 191.2 | Up | 11:41:03 - 12:11:03 | 9387 |
| Cedarville | 11:56:02 | -26.6 | Dark | Up | 44.3 | 191.6 | Up | 11:41:02 - 12:11:02 | 9359 |
| DCO | 11:55:04 | -23.5 | Dark | Up | 48.9 | 203.2 | Up | 11:40:04 - 12:10:04 | 9349 |
| Chiloquin | 11:56:15 | -27.4 | Dark | Up | 43.5 | 189.2 | Up | 11:41:15 - 12:11:15 | 9334 |
| Patrick | 11:55:06 | -24.0 | Dark | Up | 48.8 | 202.1 | Up | 11:40:06 - 12:10:06 | 9330 |
| Klamath Falls | 11:56:11 | -27.5 | Dark | Up | 43.9 | 189.3 | Up | 11:41:11 - 12:11:11 | 9318 |
| Tulelake | 11:56:09 | -27.4 | Dark | Up | 44.1 | 189.7 | Up | 11:41:09 - 12:11:09 | 9318 |
| Tonopah | 11:55:34 | -25.7 | Dark | Up | 47.2 | 196.4 | Up | 11:40:34 - 12:10:34 | 9311 |
| Henderson | 11:55:16 | -24.7 | Dark | Up | 48.6 | 200.3 | Up | 11:40:16 - 12:10:16 | 9308 |
| Kingman/Dolan Springs | 11:55:06 | -24.2 | Dark | Up | 49.1 | 201.9 | Up | 11:40:06 - 12:10:06 | 9307 |
| Indian Springs | 11:55:20 | -25.0 | Dark | Up | 48.2 | 199.1 | Up | 11:40:20 - 12:10:20 | 9304 |
| Laughlin/Bullhead City | 11:55:09 | -24.6 | Dark | Up | 49.3 | 201.2 | Up | 11:40:09 - 12:10:09 | 9278 |
| Searchlight/Boulder City | 11:55:11 | -24.8 | Dark | Up | 49.1 | 200.5 | Up | 11:40:11 - 12:10:11 | 9278 |
| Susanville | 11:55:58 | -27.4 | Dark | Up | 45.5 | 191.1 | Up | 11:40:58 - 12:10:58 | 9271 |
| Fall River/Burney | 11:56:03 | -27.7 | Dark | Up | 45.0 | 190.0 | Up | 11:41:03 - 12:11:03 | 9270 |
| Beatty | 11:55:29 | -25.8 | Dark | Up | 48.2 | 197.4 | Up | 11:40:29 - 12:10:29 | 9267 |
| Hawthorne | 11:55:44 | -26.6 | Dark | Up | 47.0 | 194.3 | Up | 11:40:44 - 12:10:44 | 9265 |
| Yerington | 11:55:46 | -26.8 | Dark | Up | 46.7 | 193.5 | Up | 11:40:46 - 12:10:46 | 9265 |
| Reno | 11:55:52 | -27.1 | Dark | Up | 46.2 | 192.4 | Up | 11:40:52 - 12:10:52 | 9263 |
| Mohave Valley | 11:55:09 | -24.6 | Dark | Up | 49.5 | 201.3 | Up | 11:40:09 - 12:10:09 | 9262 |
| Lake Havasu City | 11:55:04 | -24.6 | Dark | Up | 49.8 | 201.8 | Up | 11:40:04 - 12:10:04 | 9251 |
| Portola | 11:55:55 | -27.5 | Dark | Up | 46.1 | 191.5 | Up | 11:40:55 - 12:10:55 | 9246 |
| Gimple | 11:55:58 | -27.6 | Dark | Up | 45.8 | 190.9 | Up | 11:40:58 - 12:10:58 | 9245 |
| Carson City | 11:55:51 | -27.2 | Dark | Up | 46.6 | 192.5 | Up | 11:40:51 - 12:10:51 | 9244 |
| Greenville | 11:56:02 | -27.7 | Dark | Up | 45.8 | 190.8 | Up | 11:41:02 - 12:11:02 | 9240 |
| Gardnerville | 11:55:51 | -27.3 | Dark | Up | 46.8 | 192.7 | Up | 11:40:51 - 12:10:51 | 9232 |
| Parker | 11:55:06 | -24.6 | Dark | Up | 50.1 | 202.0 | Up | 11:40:06 - 12:10:06 | 9231 |
| Quincy | 11:55:59 | -27.8 | Dark | Up | 46.0 | 190.8 | Up | 11:40:59 - 12:10:59 | 9229 |
| Bishop | 11:55:36 | -26.8 | Dark | Up | 48.1 | 194.9 | Up | 11:40:36 - 12:10:36 | 9208 |
| Lee Vining | 11:55:41 | -27.2 | Dark | Up | 47.7 | 193.8 | Up | 11:40:41 - 12:10:41 | 9206 |
| Blythe | 11:55:02 | -25.0 | Dark | Up | 50.7 | 201.8 | Up | 11:40:02 - 12:10:02 | 9183 |
| Lone Pine | 11:55:32 | -26.8 | Dark | Up | 48.8 | 195.6 | Up | 11:40:32 - 12:10:32 | 9180 |
| Yuma | 11:54:57 | -25.3 | Dark | Up | 51.6 | 202.1 | Up | 11:39:57 - 12:09:57 | 9123 |
| Calipatria | 11:55:04 | -25.9 | Dark | Up | 51.5 | 200.6 | Up | 11:40:04 - 12:10:04 | 9102 |
| Idyllwild | 11:55:13 | -26.6 | Dark | Up | 51.2 | 198.6 | Up | 11:40:13 - 12:10:13 | 9076 |
| Wildwood | 11:55:25 | -28.0 | Dark | Up | 51.3 | 195.6 | Up | 11:40:25 - 12:10:25 | 8996 |
| CPSLO | 11:55:38 | -29.2 | Dark | Up | 50.5 | 192.1 | Up | 11:40:38 - 12:10:38 | 8961 |
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 15FQ345, (2020/03/12 11:54UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 21.12 10 27Bet Lib 15:17:00.3 -09:22:59 2.6 9.96 18 11 Lib 14:51:01.2 -02:17:59 6.0 1.99 13 PPM 197868 14:44:30.5 -03:21:48 7.9 0.14 11 PPM 197869 14:44:36.2 -03:38:07 8.8 0.14 11 15FQ345 14:44:38.0 -03:29:51 15.4 11 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:21:36 UT
Marc W. Buie, Southwest Research Institute