Event between 01FM194 and star GA0920:03915264 with event index number of 183014
Geocentric closest approach at 2019/03/12 11:47:02 UTC
J2000 position of star is 14:32:29.9 +02:24:44
Equinox of date position of star is 14:33:28.1 +02:19:43
Stellar brightness G=15.0,
use SENSEUP=128
Star is 154 degrees from the moon.
Moon is 30% illuminated.
TNO apparent brightness V=23.1
[RECON map]
TNO is 34.4 AU from the Sun
and 33.7 AU from the Earth.
The TNO is moving 18.0
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 321 seconds.
The 1-sigma cross-track error in the shadow position is
5925 km.
The sky-plane scale is
24454.8 km/arcsec.
The TNO has an absolute magnitude Hv=7.6
Diameter=182.8 km assuming a 5% albedo -- 10.2 sec chord
Diameter=74.6 km assuming a 30% albedo -- 4.1 sec chord
Dynamical classification is SCATNEAR
Star training set for 01FM194, (2019/03/12 11:47UT) Object RA Dec mag sep mel Arcturus 14:16:32.3 +19:05:00 0.0 17.26 139 27Bet Lib 15:18:02.5 -09:27:09 2.6 16.19 171 PPM 160701 14:30:49.4 +00:44:40 6.0 1.72 155 PPM 160676 14:29:29.2 +02:42:15 7.6 1.06 153 PPM 160744 14:33:55.7 +02:12:28 10.0 0.17 155 01FM194 14:33:28.3 +02:19:42 15.0 155 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
2.8 sigma about the mid-time.
The median site spacing is 6.5 km
RECON observability=1.0 and success probability=4.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Niwot | 11:48:27 | -17.7 | AT | Down | 46.6 | 215.7 | Up | 11:33:27 - 12:03:27 | 4584 |
| SwRI | 11:48:27 | -17.8 | AT | Down | 46.8 | 215.7 | Up | 11:33:27 - 12:03:27 | 4574 |
| Kelowna | 11:49:42 | -24.1 | Dark | Down | 41.8 | 193.1 | Up | 11:34:42 - 12:04:42 | 4207 |
| Penticton | 11:49:40 | -24.3 | Dark | Down | 42.2 | 193.0 | Up | 11:34:40 - 12:04:40 | 4182 |
| Summerland | 11:49:42 | -24.4 | Dark | Down | 42.1 | 192.8 | Up | 11:34:42 - 12:04:42 | 4179 |
| Okanagan Falls | 11:49:40 | -24.4 | Dark | Down | 42.4 | 193.0 | Up | 11:34:40 - 12:04:40 | 4173 |
| Anarchist Mountain Observatory | 11:49:39 | -24.4 | Dark | Down | 42.7 | 193.3 | Up | 11:34:39 - 12:04:39 | 4170 |
| Oliver | 11:49:40 | -24.5 | Dark | Down | 42.5 | 193.0 | Up | 11:34:40 - 12:04:40 | 4167 |
| Oroville | 11:49:38 | -24.5 | Dark | Down | 42.7 | 193.2 | Up | 11:34:38 - 12:04:38 | 4163 |
| Tonasket | 11:49:37 | -24.6 | Dark | Down | 43.0 | 193.3 | Up | 11:34:37 - 12:04:37 | 4153 |
| Okanogan | 11:49:37 | -24.9 | Dark | Down | 43.3 | 193.2 | Up | 11:34:37 - 12:04:37 | 4130 |
| Brewster | 11:49:37 | -25.1 | Dark | Down | 43.6 | 192.9 | Up | 11:34:37 - 12:04:37 | 4107 |
| Manson/Chelan | 11:49:37 | -25.4 | Dark | Down | 43.9 | 192.5 | Up | 11:34:37 - 12:04:37 | 4078 |
| Entiat | 11:49:36 | -25.5 | Dark | Down | 44.1 | 192.4 | Up | 11:34:36 - 12:04:36 | 4065 |
| PNWRO | 11:49:26 | -25.4 | Dark | Down | 45.5 | 194.6 | Up | 11:34:26 - 12:04:26 | 4061 |
| Pasco | 11:49:28 | -25.5 | Dark | Down | 45.3 | 194.2 | Up | 11:34:28 - 12:04:28 | 4060 |
| Wenatchee | 11:49:34 | -25.7 | Dark | Down | 44.4 | 192.3 | Up | 11:34:34 - 12:04:34 | 4048 |
| George/Umatilla | 11:49:27 | -25.7 | Dark | Down | 45.7 | 194.0 | Up | 11:34:27 - 12:04:27 | 4032 |
| Ellensburg | 11:49:35 | -26.0 | Dark | Down | 44.8 | 192.1 | Up | 11:34:35 - 12:04:35 | 4016 |
| Yakima | 11:49:33 | -26.2 | Dark | Down | 45.2 | 192.2 | Up | 11:34:33 - 12:04:33 | 3997 |
| Toppenish/White Swan | 11:49:31 | -26.2 | Dark | Down | 45.4 | 192.4 | Up | 11:34:31 - 12:04:31 | 3996 |
| Goldendale | 11:49:32 | -26.7 | Dark | Down | 46.0 | 191.9 | Up | 11:34:32 - 12:04:32 | 3946 |
| The Dalles | 11:49:32 | -27.0 | Dark | Down | 46.3 | 191.5 | Up | 11:34:32 - 12:04:32 | 3914 |
| Maupin | 11:49:30 | -27.2 | Dark | Down | 46.7 | 191.7 | Up | 11:34:30 - 12:04:30 | 3900 |
| Madras/Culver | 11:49:28 | -27.4 | Dark | Down | 47.2 | 191.8 | Up | 11:34:28 - 12:04:28 | 3870 |
| DCO | 11:48:27 | -25.0 | Dark | Down | 54.2 | 207.5 | Up | 11:33:27 - 12:03:27 | 3865 |
| Redmond | 11:49:26 | -27.6 | Dark | Down | 47.6 | 191.7 | Up | 11:34:26 - 12:04:26 | 3850 |
| Patrick | 11:48:28 | -25.5 | Dark | Down | 54.2 | 206.2 | Up | 11:33:28 - 12:03:28 | 3836 |
| Bend | 11:49:25 | -27.8 | Dark | Down | 47.8 | 191.6 | Up | 11:34:25 - 12:04:25 | 3831 |
| Sisters | 11:49:28 | -27.9 | Dark | Down | 47.6 | 191.2 | Up | 11:34:28 - 12:04:28 | 3828 |
| Oregon Observatory | 11:49:26 | -27.9 | Dark | Down | 48.0 | 191.4 | Up | 11:34:26 - 12:04:26 | 3815 |
| North Lake | 11:49:20 | -27.9 | Dark | Down | 48.5 | 192.3 | Up | 11:34:20 - 12:04:20 | 3814 |
| Kingman/Dolan Springs | 11:48:28 | -25.7 | Dark | Down | 54.5 | 206.0 | Up | 11:33:28 - 12:03:28 | 3812 |
| Paisley | 11:49:18 | -27.9 | Dark | Down | 49.0 | 193.0 | Up | 11:34:18 - 12:04:18 | 3806 |
| La Pine/Gilchrist | 11:49:24 | -28.1 | Dark | Down | 48.2 | 191.4 | Up | 11:34:24 - 12:04:24 | 3801 |
| Henderson | 11:48:34 | -26.2 | Dark | Down | 54.0 | 204.1 | Up | 11:33:34 - 12:03:34 | 3798 |
| Lakeview | 11:49:16 | -27.9 | Dark | Down | 49.5 | 193.4 | Up | 11:34:16 - 12:04:16 | 3792 |
| Indian Springs | 11:48:39 | -26.6 | Dark | Down | 53.7 | 202.7 | Up | 11:33:39 - 12:03:39 | 3783 |
| Laughlin/Bullhead City | 11:48:30 | -26.1 | Dark | Down | 54.7 | 205.2 | Up | 11:33:30 - 12:03:30 | 3778 |
| Searchlight/Boulder City | 11:48:32 | -26.3 | Dark | Down | 54.5 | 204.5 | Up | 11:33:32 - 12:03:32 | 3771 |
| Cedarville | 11:49:13 | -28.1 | Dark | Down | 50.1 | 193.9 | Up | 11:34:13 - 12:04:13 | 3768 |
| Tonopah | 11:48:50 | -27.2 | Dark | Down | 52.8 | 199.6 | Up | 11:33:50 - 12:03:50 | 3765 |
| Mohave Valley | 11:48:28 | -26.2 | Dark | Down | 54.9 | 205.4 | Up | 11:33:28 - 12:03:28 | 3763 |
| Lake Havasu City | 11:48:27 | -26.1 | Dark | Down | 55.2 | 206.0 | Up | 11:33:27 - 12:03:27 | 3758 |
| Parker | 11:48:23 | -26.2 | Dark | Down | 55.5 | 206.3 | Up | 11:33:23 - 12:03:23 | 3740 |
| Beatty | 11:48:44 | -27.3 | Dark | Down | 53.7 | 200.8 | Up | 11:33:44 - 12:03:44 | 3732 |
| Chiloquin | 11:49:22 | -28.8 | Dark | Down | 49.3 | 191.1 | Up | 11:34:22 - 12:04:22 | 3722 |
| Tulelake | 11:49:18 | -28.8 | Dark | Down | 49.9 | 191.8 | Up | 11:34:18 - 12:04:18 | 3713 |
| Klamath Falls | 11:49:20 | -28.9 | Dark | Down | 49.7 | 191.3 | Up | 11:34:20 - 12:04:20 | 3709 |
| Hawthorne | 11:48:56 | -28.1 | Dark | Down | 52.7 | 197.2 | Up | 11:33:56 - 12:03:56 | 3703 |
| Yerington | 11:49:00 | -28.3 | Dark | Down | 52.3 | 196.2 | Up | 11:34:00 - 12:04:00 | 3695 |
| Blythe | 11:48:23 | -26.6 | Dark | Down | 56.1 | 206.1 | Up | 11:33:23 - 12:03:23 | 3692 |
| Reno | 11:49:03 | -28.6 | Dark | Down | 51.9 | 195.0 | Up | 11:34:03 - 12:04:03 | 3684 |
| Susanville | 11:49:10 | -28.8 | Dark | Down | 51.3 | 193.4 | Up | 11:34:10 - 12:04:10 | 3680 |
| Fall River/Burney | 11:49:13 | -29.1 | Dark | Down | 50.8 | 192.1 | Up | 11:34:13 - 12:04:13 | 3669 |
| Carson City | 11:49:03 | -28.7 | Dark | Down | 52.3 | 195.1 | Up | 11:34:03 - 12:04:03 | 3666 |
| Portola | 11:49:07 | -28.9 | Dark | Down | 51.8 | 193.9 | Up | 11:34:07 - 12:04:07 | 3659 |
| Gardnerville | 11:49:02 | -28.8 | Dark | Down | 52.5 | 195.3 | Up | 11:34:02 - 12:04:02 | 3656 |
| Bishop | 11:48:52 | -28.3 | Dark | Down | 53.7 | 198.0 | Up | 11:33:52 - 12:03:52 | 3654 |
| Gimple | 11:49:09 | -29.1 | Dark | Down | 51.6 | 193.2 | Up | 11:34:09 - 12:04:09 | 3652 |
| Greenville | 11:49:10 | -29.2 | Dark | Down | 51.6 | 193.0 | Up | 11:34:10 - 12:04:10 | 3647 |
| Lee Vining | 11:48:56 | -28.7 | Dark | Down | 53.3 | 196.6 | Up | 11:33:56 - 12:03:56 | 3641 |
| Yuma | 11:48:17 | -26.8 | Dark | Down | 56.9 | 206.6 | Up | 11:33:17 - 12:03:17 | 3637 |
| Quincy | 11:49:08 | -29.2 | Dark | Down | 51.8 | 193.1 | Up | 11:34:08 - 12:04:08 | 3637 |
| Lone Pine | 11:48:46 | -28.4 | Dark | Down | 54.4 | 198.8 | Up | 11:33:46 - 12:03:46 | 3633 |
| Calipatria | 11:48:23 | -27.4 | Dark | Down | 56.9 | 204.8 | Up | 11:33:23 - 12:03:23 | 3603 |
| Idyllwild | 11:48:30 | -28.2 | Dark | Down | 56.7 | 202.5 | Up | 11:33:30 - 12:03:30 | 3560 |
| Wildwood | 11:48:38 | -29.6 | Dark | Down | 56.9 | 199.0 | Up | 11:33:38 - 12:03:38 | 3456 |
| CPSLO | 11:48:49 | -30.8 | Dark | Down | 56.2 | 195.0 | Up | 11:33:49 - 12:03:49 | 3393 |
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 01FM194, (2019/03/12 11:47UT) Object RA Dec mag sep mel Arcturus 14:15:38.2 +19:10:18 0.0 17.26 139 27Bet Lib 15:17:00.3 -09:22:59 2.6 16.19 171 PPM 160701 14:29:50.6 +00:49:45 6.0 1.72 155 PPM 160676 14:28:30.9 +02:47:21 7.6 1.06 153 PPM 160744 14:32:57.4 +02:17:30 10.0 0.17 155 01FM194 14:32:29.9 +02:24:44 15.0 154 Positions are for J2000
Event circumstances last updated at 2019/02/22 22:35:26 UT
Marc W. Buie, Southwest Research Institute