Event between 13FN28 and star GA0720:04967507 with event index number of 359715
Geocentric closest approach at 2020/04/08 09:51:06 UTC
J2000 position of star is 13:09:58.4 -17:11:36
Equinox of date position of star is 13:11:03.1 -17:18:02
Stellar brightness G=15.9,
use SENSEUP=128
Star is 14 degrees from the moon.
Moon is 100% illuminated.
TNO apparent brightness V=23.1
[RECON map]
TNO is 20.5 AU from the Sun
and 19.5 AU from the Earth.
The TNO is moving 21.8
km/sec on the sky relative to the star, or,
5.6 arcsec/hr.
The 1-sigma error in the time of the event is 55 seconds.
The 1-sigma cross-track error in the shadow position is
911 km.
The sky-plane scale is
14128.6 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=129.4 km assuming a 5% albedo -- 2.8 sec chord
Diameter=52.8 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURR
Star training set for 13FN28, (2020/04/08 09:51UT) Object RA Dec mag sep mel Spica 13:26:15.8 -11:15:59 1.0 7.07 7 53 Vir 13:13:08.5 -16:18:27 4.8 1.11 13 PPM 226874 13:10:32.0 -17:20:26 8.1 0.13 14 13FN28 13:11:03.3 -17:18:03 15.9 14 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 9.2 km
RECON observability=0.9 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) |
| Clarence Fulton | 09:51:19 | -27.4 | Dark | Up | 18.1 | 208.3 | Really Low | 09:46:14 - 09:56:25 | 5486 |
| Kelowna | 09:51:19 | -27.8 | Dark | Up | 18.5 | 208.2 | Really Low | 09:46:13 - 09:56:24 | 5473 |
| Peachland | 09:51:19 | -27.9 | Dark | Up | 18.7 | 208.0 | Really Low | 09:46:14 - 09:56:25 | 5466 |
| Summerland | 09:51:19 | -28.0 | Dark | Up | 18.8 | 208.1 | Really Low | 09:46:13 - 09:56:24 | 5463 |
| Penticton | 09:51:18 | -28.1 | Dark | Up | 18.8 | 208.2 | Really Low | 09:46:13 - 09:56:24 | 5462 |
| Oliver | 09:51:17 | -28.4 | Dark | Up | 19.2 | 208.2 | Really Low | 09:46:12 - 09:56:23 | 5452 |
| Anarchist Mountain Observatory | 09:51:16 | -28.4 | Dark | Up | 19.3 | 208.4 | Really Low | 09:46:11 - 09:56:22 | 5450 |
| Tonasket | 09:51:16 | -28.7 | Dark | Up | 19.5 | 208.4 | Really Low | 09:46:10 - 09:56:21 | 5439 |
| Okanogan | 09:51:15 | -29.1 | Dark | Up | 19.9 | 208.3 | Really Low | 09:46:10 - 09:56:21 | 5426 |
| Brewster | 09:51:15 | -29.4 | Dark | Up | 20.2 | 208.2 | Low | 09:46:10 - 09:56:21 | 5414 |
| Manson/Chelan | 09:51:16 | -29.7 | Dark | Up | 20.5 | 207.9 | Low | 09:46:11 - 09:56:22 | 5402 |
| Entiat | 09:51:16 | -29.9 | Dark | Up | 20.7 | 207.8 | Low | 09:46:10 - 09:56:21 | 5394 |
| Wenatchee | 09:51:15 | -30.1 | Dark | Up | 21.0 | 207.8 | Low | 09:46:10 - 09:56:21 | 5384 |
| Victoria | 09:51:27 | -30.2 | Dark | Up | 20.9 | 204.6 | Low | 09:46:22 - 09:56:33 | 5373 |
| Ellensburg | 09:51:15 | -30.6 | Dark | Up | 21.4 | 207.7 | Low | 09:46:10 - 09:56:21 | 5367 |
| Pasco | 09:51:09 | -30.7 | Dark | Up | 21.6 | 209.1 | Low | 09:46:04 - 09:56:15 | 5362 |
| PNWRO | 09:51:07 | -30.8 | Dark | Up | 21.7 | 209.4 | Low | 09:46:02 - 09:56:13 | 5357 |
| Yakima | 09:51:14 | -30.9 | Dark | Up | 21.8 | 207.7 | Low | 09:46:08 - 09:56:19 | 5353 |
| Toppenish/White Swan | 09:51:13 | -31.1 | Dark | Up | 21.9 | 207.9 | Low | 09:46:08 - 09:56:19 | 5347 |
| Goldendale | 09:51:13 | -31.7 | Dark | Up | 22.5 | 207.6 | Low | 09:46:08 - 09:56:19 | 5321 |
| The Dalles | 09:51:14 | -32.0 | Dark | Up | 22.9 | 207.3 | Low | 09:46:08 - 09:56:19 | 5307 |
| Maupin | 09:51:13 | -32.3 | Dark | Up | 23.2 | 207.5 | Low | 09:46:07 - 09:56:18 | 5293 |
| Niwot | 09:50:10 | -28.7 | Dark | Up | 20.6 | 223.1 | Low | 09:45:04 - 09:55:15 | 5275 |
| SwRI | 09:50:10 | -28.8 | Dark | Up | 20.8 | 223.0 | Low | 09:45:04 - 09:55:15 | 5269 |
| Redmond | 09:51:10 | -33.1 | Dark | Up | 24.0 | 207.5 | Low | 09:46:04 - 09:56:15 | 5257 |
| Sisters | 09:51:12 | -33.3 | Dark | Up | 24.1 | 207.2 | Low | 09:46:06 - 09:56:17 | 5252 |
| Bend | 09:51:10 | -33.4 | Dark | Up | 24.3 | 207.5 | Low | 09:46:05 - 09:56:16 | 5247 |
| Oregon Observatory | 09:51:10 | -33.6 | Dark | Up | 24.5 | 207.4 | Low | 09:46:05 - 09:56:16 | 5238 |
| La Pine/Gilchrist | 09:51:10 | -33.8 | Dark | Up | 24.7 | 207.3 | Low | 09:46:05 - 09:56:16 | 5229 |
| North Lake | 09:51:07 | -33.9 | Dark | Up | 24.8 | 208.0 | Low | 09:46:02 - 09:56:13 | 5221 |
| Paisley | 09:51:05 | -34.2 | Dark | Up | 25.2 | 208.5 | Low | 09:45:59 - 09:56:10 | 5204 |
| Lakeview | 09:51:03 | -34.6 | Dark | Up | 25.6 | 208.8 | Low | 09:45:57 - 09:56:08 | 5185 |
| Klamath Falls | 09:51:07 | -35.1 | Dark | Up | 26.1 | 207.4 | Low | 09:46:02 - 09:56:13 | 5163 |
| Cedarville | 09:51:01 | -35.1 | Dark | Up | 26.1 | 209.1 | Low | 09:45:55 - 09:56:06 | 5160 |
| Fall River/Burney | 09:51:04 | -36.0 | Dark | Up | 27.0 | 208.0 | Low | 09:45:58 - 09:56:09 | 5117 |
| Susanville | 09:50:59 | -36.2 | Dark | Up | 27.3 | 208.9 | Low | 09:45:54 - 09:56:05 | 5101 |
| Gimple | 09:51:00 | -36.5 | Dark | Up | 27.6 | 208.8 | Low | 09:45:54 - 09:56:05 | 5085 |
| Greenville | 09:51:00 | -36.6 | Dark | Up | 27.6 | 208.7 | Low | 09:45:55 - 09:56:06 | 5083 |
| Portola | 09:50:58 | -36.6 | Dark | Up | 27.7 | 209.2 | Low | 09:45:52 - 09:56:03 | 5077 |
| Reno | 09:50:54 | -36.6 | Dark | Up | 27.7 | 209.9 | Low | 09:45:49 - 09:56:00 | 5075 |
| Quincy | 09:50:59 | -36.7 | Dark | Up | 27.8 | 208.7 | Low | 09:45:53 - 09:56:04 | 5074 |
| Yerington | 09:50:52 | -36.7 | Dark | Up | 27.9 | 210.7 | Low | 09:45:46 - 09:55:57 | 5059 |
| Carson City | 09:50:54 | -36.9 | Dark | Up | 28.0 | 210.0 | Low | 09:45:49 - 09:56:00 | 5058 |
| Gardnerville | 09:50:53 | -37.0 | Dark | Up | 28.2 | 210.1 | Low | 09:45:48 - 09:55:59 | 5047 |
| Hawthorne | 09:50:48 | -36.9 | Dark | Up | 28.1 | 211.3 | Low | 09:45:43 - 09:55:54 | 5045 |
| Tonopah | 09:50:42 | -36.6 | Dark | Up | 27.9 | 212.8 | Low | 09:45:37 - 09:55:48 | 5045 |
| Lee Vining | 09:50:49 | -37.6 | Dark | Up | 28.8 | 211.0 | Low | 09:45:44 - 09:55:55 | 5010 |
| Beatty | 09:50:38 | -37.3 | Dark | Up | 28.7 | 213.6 | Low | 09:45:33 - 09:55:44 | 4993 |
| Indian Springs | 09:50:33 | -37.0 | Dark | Up | 28.5 | 214.7 | Low | 09:45:28 - 09:55:39 | 4992 |
| Bishop | 09:50:45 | -37.7 | Dark | Up | 29.0 | 211.9 | Low | 09:45:39 - 09:55:50 | 4991 |
| Henderson | 09:50:29 | -37.0 | Dark | Up | 28.6 | 215.5 | Low | 09:45:24 - 09:55:35 | 4974 |
| Patrick | 09:50:24 | -36.9 | Dark | Up | 28.6 | 216.8 | Low | 09:45:19 - 09:55:30 | 4956 |
| DCO | 09:50:21 | -36.7 | Dark | Up | 28.5 | 217.5 | Low | 09:45:16 - 09:55:27 | 4950 |
| Searchlight/Boulder City | 09:50:28 | -37.4 | Dark | Up | 29.1 | 215.8 | Low | 09:45:23 - 09:55:34 | 4945 |
| Kingman/Dolan Springs | 09:50:24 | -37.2 | Dark | Up | 28.9 | 216.7 | Low | 09:45:19 - 09:55:30 | 4942 |
| Laughlin/Bullhead City | 09:50:25 | -37.5 | Dark | Up | 29.2 | 216.2 | Low | 09:45:20 - 09:55:31 | 4933 |
| Mohave Valley | 09:50:24 | -37.7 | Dark | Up | 29.4 | 216.3 | Low | 09:45:19 - 09:55:30 | 4918 |
| Lake Havasu City | 09:50:24 | -37.8 | Dark | Up | 29.6 | 216.6 | Low | 09:45:18 - 09:55:29 | 4900 |
| George/Scottsdale | 09:50:13 | -37.0 | Dark | Up | 29.0 | 219.2 | Low | 09:45:08 - 09:55:19 | 4890 |
| Parker | 09:50:22 | -38.1 | Dark | Up | 29.9 | 216.8 | Low | 09:45:16 - 09:55:27 | 4881 |
| Blythe | 09:50:22 | -38.6 | Dark | Up | 30.4 | 216.7 | Up | 09:45:17 - 09:55:28 | 4848 |
| CPSLO | 09:50:48 | -40.4 | Dark | Up | 31.7 | 210.3 | Up | 09:45:42 - 09:55:53 | 4843 |
| Idyllwild | 09:50:30 | -39.7 | Dark | Up | 31.3 | 214.6 | Up | 09:45:24 - 09:55:35 | 4824 |
| Wildwood | 09:50:37 | -40.4 | Dark | Up | 31.9 | 212.7 | Up | 09:45:31 - 09:55:42 | 4812 |
| Calipatria | 09:50:24 | -39.5 | Dark | Up | 31.3 | 216.0 | Up | 09:45:18 - 09:55:29 | 4806 |
| Yuma | 09:50:20 | -39.3 | Dark | Up | 31.2 | 217.0 | Up | 09:45:14 - 09:55:25 | 4794 |
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 13FN28, (2020/04/08 09:51UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 7.07 7 53 Vir 13:12:03.7 -16:12:00 4.8 1.11 13 PPM 226874 13:09:27.1 -17:13:59 8.1 0.13 14 13FN28 13:09:58.4 -17:11:36 15.9 14 Positions are for J2000
Event circumstances last updated at 2020/03/10 21:15:49 UT
Marc W. Buie, Southwest Research Institute