Event between 04VM131 and star GA1020:01187942 with event index number of 215080
Geocentric closest approach at 2019/10/10 09:57:58 UTC
J2000 position of star is 05:54:54.7 +13:59:57
Equinox of date position of star is 05:55:57.5 +14:00:04
Stellar brightness G=14.1,
use SENSEUP=64
Star is 109 degrees from the moon.
Moon is 89% illuminated.
TNO apparent brightness V=23.9
[RECON map]
TNO is 32.8 AU from the Sun
and 32.4 AU from the Earth.
The TNO is moving 7.1
km/sec on the sky relative to the star, or,
1.1 arcsec/hr.
The 1-sigma error in the time of the event is 912 seconds.
The 1-sigma cross-track error in the shadow position is
1708 km.
The sky-plane scale is
23527.5 km/arcsec.
The TNO has an absolute magnitude Hv=8.6
Diameter=115.3 km assuming a 5% albedo -- 16.2 sec chord
Diameter=47.1 km assuming a 30% albedo -- 6.6 sec chord
Dynamical classification is CENTAURR
Star training set for 04VM131, (2019/10/10 09:58UT) Object RA Dec mag sep mel Betelgeuse 05:56:14.6 +07:24:33 0.4 6.59 108 Bellatrix 05:26:11.6 +06:21:58 1.6 10.59 100 137 Tau 05:53:29.7 +14:10:31 5.5 0.64 108 PPM 121578 05:55:54.3 +13:50:55 8.2 0.16 109 04VM131 05:56:02.1 +14:00:05 14.1 109 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
1.0 sigma about the mid-time.
The median site spacing is 6.0 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) |
| The Dalles | 09:54:35 | -42.8 | Dark | Up | 42.3 | 117.5 | Up | 09:39:35 - 10:09:35 | -15733 |
| Sisters | 09:54:56 | -43.9 | Dark | Up | 42.7 | 116.1 | Up | 09:39:56 - 10:09:56 | -15734 |
| Maupin | 09:54:42 | -43.1 | Dark | Up | 42.6 | 117.3 | Up | 09:39:42 - 10:09:42 | -15745 |
| Ellensburg | 09:54:07 | -41.6 | Dark | Up | 42.0 | 119.1 | Up | 09:39:07 - 10:09:07 | -15745 |
| Oregon Observatory | 09:54:56 | -44.1 | Dark | Up | 43.0 | 115.9 | Up | 09:39:56 - 10:09:56 | -15748 |
| La Pine/Gilchrist | 09:54:57 | -44.3 | Dark | Up | 43.0 | 115.7 | Up | 09:39:57 - 10:09:57 | -15748 |
| Goldendale | 09:54:21 | -42.5 | Dark | Up | 42.4 | 118.0 | Up | 09:39:21 - 10:09:21 | -15749 |
| Chiloquin | 09:55:10 | -45.3 | Dark | Up | 43.3 | 114.4 | Up | 09:40:10 - 10:10:10 | -15750 |
| Yakima | 09:54:07 | -41.9 | Dark | Up | 42.1 | 118.8 | Up | 09:39:07 - 10:09:07 | -15750 |
| Wenatchee | 09:54:03 | -41.2 | Dark | Up | 41.9 | 119.7 | Up | 09:39:03 - 10:09:03 | -15751 |
| Bend | 09:54:57 | -43.9 | Dark | Up | 43.0 | 116.2 | Up | 09:39:57 - 10:09:57 | -15752 |
| Madras/Culver | 09:54:49 | -43.5 | Dark | Up | 42.8 | 116.8 | Up | 09:39:49 - 10:09:49 | -15752 |
| Entiat | 09:54:06 | -40.9 | Dark | Up | 41.8 | 120.0 | Up | 09:39:06 - 10:09:06 | -15752 |
| Manson/Chelan | 09:53:56 | -40.8 | Dark | Up | 41.7 | 120.2 | Up | 09:38:56 - 10:08:56 | -15753 |
| Redmond | 09:54:42 | -43.8 | Dark | Up | 42.9 | 116.4 | Up | 09:39:42 - 10:09:42 | -15756 |
| Klamath Falls | 09:55:17 | -45.4 | Dark | Up | 43.5 | 114.3 | Up | 09:40:17 - 10:10:17 | -15761 |
| Toppenish/White Swan | 09:54:20 | -41.9 | Dark | Up | 42.4 | 118.9 | Up | 09:39:20 - 10:09:20 | -15762 |
| Penticton | 09:53:38 | -39.3 | Dark | Up | 41.2 | 122.0 | Up | 09:38:38 - 10:08:38 | -15763 |
| Brewster | 09:53:56 | -40.4 | Dark | Up | 41.8 | 120.7 | Up | 09:38:56 - 10:08:56 | -15769 |
| Okanogan | 09:53:49 | -40.2 | Dark | Up | 41.8 | 121.1 | Up | 09:38:49 - 10:08:49 | -15776 |
| Oroville | 09:53:39 | -39.7 | Dark | Up | 41.5 | 121.7 | Up | 09:38:39 - 10:08:39 | -15776 |
| Tonasket | 09:53:45 | -39.9 | Dark | Up | 41.7 | 121.5 | Up | 09:38:45 - 10:08:45 | -15779 |
| Tulelake | 09:55:19 | -45.5 | Dark | Up | 43.8 | 114.3 | Up | 09:40:19 - 10:10:19 | -15783 |
| North Lake | 09:54:59 | -44.3 | Dark | Up | 43.6 | 115.9 | Up | 09:39:59 - 10:09:59 | -15789 |
| Fall River/Burney | 09:55:34 | -46.0 | Dark | Up | 44.3 | 113.7 | Up | 09:40:34 - 10:10:34 | -15807 |
| Paisley | 09:55:03 | -44.5 | Dark | Up | 44.1 | 115.8 | Up | 09:40:03 - 10:10:03 | -15820 |
| George/Umatilla | 09:54:20 | -41.7 | Dark | Up | 43.2 | 119.6 | Up | 09:39:20 - 10:09:20 | -15825 |
| Pasco | 09:54:07 | -41.4 | Dark | Up | 43.2 | 120.0 | Up | 09:39:07 - 10:09:07 | -15831 |
| Lakeview | 09:55:10 | -44.7 | Dark | Up | 44.5 | 115.6 | Up | 09:40:10 - 10:10:10 | -15841 |
| PNWRO | 09:54:13 | -41.5 | Dark | Up | 43.4 | 120.1 | Up | 09:39:13 - 10:09:13 | -15847 |
| Greenville | 09:55:45 | -46.3 | Dark | Up | 45.0 | 113.3 | Up | 09:40:45 - 10:10:45 | -15854 |
| Gimple | 09:55:43 | -46.3 | Dark | Up | 45.0 | 113.4 | Up | 09:40:43 - 10:10:43 | -15859 |
| Quincy | 09:55:45 | -46.5 | Dark | Up | 45.1 | 113.1 | Up | 09:40:45 - 10:10:45 | -15859 |
| Susanville | 09:55:38 | -46.0 | Dark | Up | 45.1 | 113.8 | Up | 09:40:38 - 10:10:38 | -15864 |
| Cedarville | 09:55:20 | -45.0 | Dark | Up | 44.9 | 115.2 | Up | 09:40:20 - 10:10:20 | -15866 |
| Portola | 09:55:47 | -46.3 | Dark | Up | 45.5 | 113.5 | Up | 09:40:47 - 10:10:47 | -15889 |
| Reno | 09:55:43 | -46.1 | Dark | Up | 46.0 | 113.8 | Up | 09:40:43 - 10:10:43 | -15934 |
| Carson City | 09:55:45 | -46.3 | Dark | Up | 46.2 | 113.5 | Up | 09:40:45 - 10:10:45 | -15945 |
| Gardnerville | 09:55:54 | -46.4 | Dark | Up | 46.3 | 113.4 | Up | 09:40:54 - 10:10:54 | -15954 |
| Yerington | 09:55:51 | -46.0 | Dark | Up | 46.7 | 114.0 | Up | 09:40:51 - 10:10:51 | -15988 |
| CPSLO | 09:56:50 | -49.1 | Dark | Up | 47.2 | 109.1 | Up | 09:41:50 - 10:11:50 | -16004 |
| Lee Vining | 09:55:59 | -46.6 | Dark | Up | 47.2 | 113.0 | Up | 09:40:59 - 10:10:59 | -16018 |
| Hawthorne | 09:55:56 | -46.0 | Dark | Up | 47.3 | 114.0 | Up | 09:40:56 - 10:10:56 | -16032 |
| Bishop | 09:55:59 | -46.5 | Dark | Up | 48.0 | 113.1 | Up | 09:40:59 - 10:10:59 | -16080 |
| Lone Pine | 09:56:13 | -46.7 | Dark | Up | 48.5 | 112.7 | Up | 09:41:13 - 10:11:13 | -16124 |
| Tonopah | 09:55:45 | -45.4 | Dark | Up | 48.5 | 114.9 | Up | 09:40:45 - 10:10:45 | -16131 |
| Wildwood | 09:56:52 | -48.4 | Dark | Up | 49.2 | 109.7 | Up | 09:41:52 - 10:11:52 | -16173 |
| Beatty | 09:56:06 | -45.7 | Dark | Up | 49.4 | 114.2 | Up | 09:41:06 - 10:11:06 | -16195 |
| Indian Springs | 09:56:03 | -45.2 | Dark | Up | 50.3 | 114.9 | Up | 09:41:03 - 10:11:03 | -16274 |
| Idyllwild | 09:56:42 | -47.3 | Dark | Up | 50.7 | 110.9 | Up | 09:41:42 - 10:11:42 | -16307 |
| Henderson | 09:56:06 | -45.0 | Dark | Up | 51.0 | 115.1 | Up | 09:41:06 - 10:11:06 | -16336 |
| Searchlight/Boulder City | 09:56:10 | -45.2 | Dark | Up | 51.3 | 114.5 | Up | 09:41:10 - 10:11:10 | -16361 |
| Laughlin/Bullhead City | 09:56:20 | -45.1 | Dark | Up | 51.7 | 114.5 | Up | 09:41:20 - 10:11:20 | -16394 |
| Mohave Valley | 09:56:13 | -45.3 | Dark | Up | 51.8 | 114.2 | Up | 09:41:13 - 10:11:13 | -16404 |
| Calipatria | 09:56:42 | -46.7 | Dark | Up | 51.9 | 111.3 | Up | 09:41:42 - 10:11:42 | -16407 |
| Kingman/Dolan Springs | 09:56:10 | -44.8 | Dark | Up | 52.1 | 115.1 | Up | 09:41:10 - 10:11:10 | -16427 |
| Patrick | 09:55:59 | -44.5 | Dark | Up | 52.1 | 115.5 | Up | 09:40:59 - 10:10:59 | -16431 |
| Lake Havasu City | 09:56:20 | -45.3 | Dark | Up | 52.2 | 114.0 | Up | 09:41:20 - 10:11:20 | -16435 |
| Parker | 09:56:22 | -45.4 | Dark | Up | 52.4 | 113.6 | Up | 09:41:22 - 10:11:22 | -16450 |
| Blythe | 09:56:35 | -45.8 | Dark | Up | 52.4 | 112.8 | Up | 09:41:35 - 10:11:35 | -16450 |
| Yuma | 09:56:52 | -46.3 | Dark | Up | 52.8 | 111.7 | Up | 09:41:52 - 10:11:52 | -16483 |
| DCO | 09:56:02 | -44.2 | Dark | Up | 52.8 | 115.8 | Up | 09:41:02 - 10:11:02 | -16488 |
| Niwot | 09:54:17 | -36.6 | Dark | Down | 55.0 | 130.7 | Up | 09:39:17 - 10:09:17 | -16820 |
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 04VM131, (2019/10/10 09:58UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 6.59 108 Bellatrix 05:25:07.8 +06:20:58 1.6 10.59 100 137 Tau 05:52:22.2 +14:10:18 5.5 0.64 108 PPM 121578 05:54:47.0 +13:50:47 8.2 0.16 109 04VM131 05:54:54.7 +13:59:57 14.1 109 Positions are for J2000
Event circumstances last updated at 2018/06/05 18:19:47 UT
Marc W. Buie, Southwest Research Institute