Event between (443843) 01FO185 and star GA0760:05110987 with event index number of 255045
Geocentric closest approach at 2020/04/13 07:40:32 UTC
J2000 position of star is 14:59:59.1 -13:07:10
Equinox of date position of star is 15:00:59.9 -13:11:31
Stellar brightness G=11.2,
use SENSEUP=8
Star is 48 degrees from the moon.
Moon is 67% illuminated.
TNO apparent brightness V=23.6
[RECON map]
TNO is 42.3 AU from the Sun
and 41.4 AU from the Earth.
The TNO is moving 22.5
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 241 seconds.
The 1-sigma cross-track error in the shadow position is
1944 km.
The sky-plane scale is
30023.9 km/arcsec.
The TNO has an absolute magnitude Hv=7.3
Diameter=208.9 km assuming a 5% albedo -- 9.3 sec chord
Diameter=85.3 km assuming a 30% albedo -- 3.8 sec chord
Dynamical classification is CLASSICAL
Star training set for 443843, (2020/04/13 07:41UT) Object RA Dec mag sep mel Spica 13:26:15.9 -11:16:00 1.0 23.24 70 27Bet Lib 15:18:06.1 -09:27:24 2.6 5.60 46 13Xi 1Lib 14:55:29.2 -11:58:48 5.9 1.83 50 PPM 229576 14:59:49.4 -12:50:55 7.8 0.47 48 PPM 229609 15:01:08.0 -13:03:34 9.7 0.14 48 443843 15:01:06.0 -13:11:57 11.2 48 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
3.7 sigma about the mid-time.
The median site spacing is 13.0 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) |
| Penticton | 07:53:35 | -31.2 | Dark | Down | 23.8 | 154.1 | Low | 07:38:35 - 08:08:35 | 20784 |
| Oroville | 07:53:37 | -31.8 | Dark | Down | 24.4 | 154.1 | Low | 07:38:37 - 08:08:37 | 20750 |
| Tonasket | 07:53:34 | -32.0 | Dark | Down | 24.6 | 154.1 | Low | 07:38:34 - 08:08:34 | 20736 |
| Okanogan | 07:53:34 | -32.4 | Dark | Down | 24.9 | 153.9 | Low | 07:38:34 - 08:08:34 | 20710 |
| Brewster | 07:53:38 | -32.6 | Dark | Down | 25.1 | 153.6 | Low | 07:38:38 - 08:08:38 | 20687 |
| Manson/Chelan | 07:53:37 | -32.8 | Dark | Down | 25.1 | 153.2 | Low | 07:38:37 - 08:08:37 | 20662 |
| Entiat | 07:53:39 | -33.1 | Dark | Down | 25.3 | 153.1 | Low | 07:38:39 - 08:08:39 | 20646 |
| Wenatchee | 07:53:39 | -33.3 | Dark | Down | 25.5 | 152.9 | Low | 07:38:39 - 08:08:39 | 20627 |
| Niwot | 07:52:50 | -39.2 | Dark | Up | 36.0 | 168.0 | Up | 07:37:50 - 08:07:50 | 20623 |
| Ellensburg | 07:53:40 | -33.7 | Dark | Down | 25.8 | 152.6 | Low | 07:38:40 - 08:08:40 | 20593 |
| Pasco | 07:53:37 | -34.5 | Dark | Down | 26.9 | 153.9 | Low | 07:38:37 - 08:08:37 | 20588 |
| PNWRO | 07:53:35 | -34.7 | Dark | Down | 27.2 | 154.1 | Low | 07:38:35 - 08:08:35 | 20579 |
| Yakima | 07:53:41 | -34.1 | Dark | Down | 26.2 | 152.5 | Low | 07:38:41 - 08:08:41 | 20566 |
| George/Umatilla | 07:53:37 | -34.8 | Dark | Down | 27.1 | 153.6 | Low | 07:38:37 - 08:08:37 | 20559 |
| Toppenish/White Swan | 07:53:41 | -34.3 | Dark | Down | 26.4 | 152.6 | Low | 07:38:41 - 08:08:41 | 20557 |
| Goldendale | 07:53:42 | -34.9 | Dark | Down | 26.8 | 152.1 | Low | 07:38:42 - 08:08:42 | 20506 |
| The Dalles | 07:53:41 | -35.1 | Dark | Down | 26.8 | 151.6 | Low | 07:38:41 - 08:08:41 | 20480 |
| Maupin | 07:53:42 | -35.5 | Dark | Down | 27.2 | 151.7 | Low | 07:38:42 - 08:08:42 | 20455 |
| Madras/Culver | 07:53:41 | -36.1 | Dark | Down | 27.7 | 151.5 | Low | 07:38:41 - 08:08:41 | 20416 |
| Redmond | 07:53:44 | -36.4 | Dark | Down | 28.0 | 151.3 | Low | 07:38:44 - 08:08:44 | 20389 |
| Sisters | 07:53:43 | -36.4 | Dark | Down | 27.8 | 150.9 | Low | 07:38:43 - 08:08:43 | 20378 |
| Bend | 07:53:44 | -36.6 | Dark | Down | 28.1 | 151.1 | Low | 07:38:44 - 08:08:44 | 20370 |
| Oregon Observatory | 07:53:43 | -36.8 | Dark | Down | 28.2 | 151.0 | Low | 07:38:43 - 08:08:43 | 20354 |
| La Pine/Gilchrist | 07:53:42 | -37.0 | Dark | Down | 28.4 | 150.8 | Low | 07:38:42 - 08:08:42 | 20337 |
| North Lake | 07:53:41 | -37.4 | Dark | Down | 29.0 | 151.3 | Low | 07:38:41 - 08:08:41 | 20326 |
| Paisley | 07:53:40 | -38.0 | Dark | Down | 29.6 | 151.6 | Low | 07:38:40 - 08:08:40 | 20299 |
| Lakeview | 07:53:39 | -38.5 | Dark | Down | 30.1 | 151.6 | Up | 07:38:39 - 08:08:39 | 20269 |
| Chiloquin | 07:53:46 | -38.1 | Dark | Down | 29.3 | 150.2 | Low | 07:38:46 - 08:08:46 | 20246 |
| Cedarville | 07:53:39 | -39.2 | Dark | Down | 30.8 | 151.6 | Up | 07:38:39 - 08:08:39 | 20228 |
| Klamath Falls | 07:53:46 | -38.4 | Dark | Down | 29.6 | 150.2 | Low | 07:38:46 - 08:08:46 | 20224 |
| Tulelake | 07:53:46 | -38.7 | Dark | Down | 29.9 | 150.4 | Low | 07:38:46 - 08:08:46 | 20215 |
| Fall River/Burney | 07:53:43 | -39.6 | Dark | Down | 30.7 | 150.2 | Up | 07:38:43 - 08:08:43 | 20151 |
| Susanville | 07:53:41 | -40.3 | Dark | Down | 31.6 | 150.8 | Up | 07:38:41 - 08:08:41 | 20130 |
| Gimple | 07:53:42 | -40.6 | Dark | Down | 31.7 | 150.5 | Up | 07:38:42 - 08:08:42 | 20102 |
| Greenville | 07:53:44 | -40.5 | Dark | Down | 31.7 | 150.4 | Up | 07:38:44 - 08:08:44 | 20099 |
| Reno | 07:53:39 | -41.2 | Dark | Down | 32.6 | 151.4 | Up | 07:38:39 - 08:08:39 | 20094 |
| Portola | 07:53:42 | -40.9 | Dark | Down | 32.2 | 150.8 | Up | 07:38:42 - 08:08:42 | 20091 |
| Quincy | 07:53:44 | -40.7 | Dark | Down | 31.9 | 150.4 | Up | 07:38:44 - 08:08:44 | 20084 |
| Yerington | 07:53:39 | -41.7 | Dark | Down | 33.4 | 152.0 | Up | 07:38:39 - 08:08:39 | 20075 |
| Tonopah | 07:53:31 | -42.7 | Dark | Down | 34.9 | 153.8 | Up | 07:38:31 - 08:08:31 | 20073 |
| Carson City | 07:53:39 | -41.5 | Dark | Down | 33.0 | 151.3 | Up | 07:38:39 - 08:08:39 | 20067 |
| Hawthorne | 07:53:35 | -42.2 | Dark | Down | 34.0 | 152.4 | Up | 07:38:35 - 08:08:35 | 20058 |
| Gardnerville | 07:53:40 | -41.8 | Dark | Down | 33.2 | 151.3 | Up | 07:38:40 - 08:08:40 | 20051 |
| Indian Springs | 07:53:28 | -44.1 | Dark | Up | 36.7 | 155.0 | Up | 07:38:28 - 08:08:28 | 20014 |
| Beatty | 07:53:32 | -43.8 | Dark | Down | 36.1 | 153.9 | Up | 07:38:32 - 08:08:32 | 20001 |
| Lee Vining | 07:53:39 | -42.8 | Dark | Down | 34.3 | 151.7 | Up | 07:38:39 - 08:08:39 | 19998 |
| Henderson | 07:53:24 | -44.6 | Dark | Up | 37.4 | 155.6 | Up | 07:38:24 - 08:08:24 | 19998 |
| DCO | 07:53:17 | -45.4 | Dark | Up | 38.9 | 157.4 | Up | 07:38:17 - 08:08:17 | 19992 |
| Patrick | 07:53:20 | -45.1 | Dark | Up | 38.4 | 156.7 | Up | 07:38:20 - 08:08:20 | 19990 |
| Bishop | 07:53:35 | -43.4 | Dark | Down | 35.1 | 152.3 | Up | 07:38:35 - 08:08:35 | 19978 |
| Kingman/Dolan Springs | 07:53:20 | -45.4 | Dark | Up | 38.5 | 156.4 | Up | 07:38:20 - 08:08:20 | 19966 |
| Searchlight/Boulder City | 07:53:24 | -45.2 | Dark | Up | 38.0 | 155.5 | Up | 07:38:24 - 08:08:24 | 19956 |
| Laughlin/Bullhead City | 07:53:22 | -45.4 | Dark | Up | 38.4 | 155.8 | Up | 07:38:22 - 08:08:22 | 19945 |
| Lone Pine | 07:53:35 | -44.1 | Dark | Down | 35.9 | 152.4 | Up | 07:38:35 - 08:08:35 | 19932 |
| Mohave Valley | 07:53:21 | -45.7 | Dark | Up | 38.6 | 155.7 | Up | 07:38:21 - 08:08:21 | 19925 |
| Lake Havasu City | 07:53:20 | -46.1 | Dark | Up | 39.1 | 155.9 | Up | 07:38:20 - 08:08:20 | 19902 |
| Parker | 07:53:22 | -46.4 | Dark | Up | 39.4 | 155.8 | Up | 07:38:22 - 08:08:22 | 19876 |
| Blythe | 07:53:20 | -47.0 | Dark | Up | 39.8 | 155.3 | Up | 07:38:20 - 08:08:20 | 19824 |
| Idyllwild | 07:53:27 | -47.0 | Dark | Up | 38.9 | 152.9 | Up | 07:38:27 - 08:08:27 | 19755 |
| Calipatria | 07:53:23 | -47.5 | Dark | Up | 39.9 | 154.0 | Up | 07:38:23 - 08:08:23 | 19750 |
| Yuma | 07:53:20 | -47.9 | Dark | Up | 40.6 | 154.9 | Up | 07:38:20 - 08:08:20 | 19749 |
| CPSLO | 07:53:43 | -45.4 | Dark | Down | 36.0 | 149.1 | Up | 07:38:43 - 08:08:43 | 19736 |
| Wildwood | 07:53:37 | -46.7 | Dark | Down | 37.9 | 150.9 | Up | 07:38:37 - 08:08:37 | 19714 |
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 443843, (2020/04/13 07:41UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 23.24 70 27Bet Lib 15:17:00.3 -09:22:59 2.6 5.60 46 13Xi 1Lib 14:54:22.8 -11:53:54 5.9 1.83 50 PPM 229576 14:58:42.7 -12:46:06 7.8 0.47 48 PPM 229609 15:00:01.2 -12:58:47 9.7 0.14 48 443843 14:59:59.1 -13:07:10 11.2 48 Positions are for J2000
Event circumstances last updated at 2018/06/12 19:59:02 UT
Marc W. Buie, Southwest Research Institute