Event between (175113) 04PF115 and star GA0700:34788218 with event index number of 203715
Geocentric closest approach at 2019/08/01 07:57:26 UTC
J2000 position of star is 23:11:26.8 -19:35:26
Equinox of date position of star is 23:12:27.3 -19:29:12
Stellar brightness G=15.2,
use SENSEUP=128
Star is 149 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=20.5
[RECON map]
TNO is 41.6 AU from the Sun
and 40.7 AU from the Earth.
The TNO is moving 20.7
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 131 seconds.
The 1-sigma cross-track error in the shadow position is
2208 km.
The sky-plane scale is
29540.8 km/arcsec.
The TNO has an absolute magnitude Hv=4.3
Diameter=831.8 km assuming a 5% albedo -- 40.1 sec chord
Diameter=339.6 km assuming a 30% albedo -- 16.4 sec chord
Dynamical classification is CLASSICAL
Star training set for 175113, (2019/08/01 07:57UT) Object RA Dec mag sep mel Fomalhaut 22:58:43.7 -29:31:05 1.2 10.51 151 88 Aqr 23:10:29.3 -21:03:57 3.7 1.65 149 PPM 241360 23:15:09.7 -19:35:20 7.8 0.64 148 PPM 241268 23:11:21.7 -19:21:22 9.8 0.29 149 175113 23:12:28.9 -19:29:03 15.2 148 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 11.9 km
RECON observability=0.4 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) |
| Summerland | 07:56:38 | -22.1 | Dark | Down | 12.5 | 142.8 | Really Low | 07:45:12 - 08:08:03 | 5127 |
| Penticton | 07:56:38 | -22.4 | Dark | Down | 12.9 | 142.9 | Really Low | 07:45:13 - 08:08:04 | 5120 |
| Kelowna | 07:56:37 | -22.0 | Dark | Down | 12.6 | 143.1 | Really Low | 07:45:12 - 08:08:03 | 5120 |
| Okanagan Falls | 07:56:39 | -22.6 | Dark | Down | 13.0 | 142.9 | Really Low | 07:45:13 - 08:08:04 | 5119 |
| Oliver | 07:56:39 | -22.7 | Dark | Down | 13.1 | 142.9 | Really Low | 07:45:13 - 08:08:04 | 5117 |
| Manson/Chelan | 07:56:48 | -24.0 | Dark | Down | 13.9 | 142.2 | Really Low | 07:45:22 - 08:08:13 | 5115 |
| Entiat | 07:56:48 | -24.2 | Dark | Down | 14.1 | 142.1 | Really Low | 07:45:22 - 08:08:13 | 5114 |
| Wenatchee | 07:56:49 | -24.5 | Dark | Down | 14.3 | 142.0 | Really Low | 07:45:24 - 08:08:15 | 5113 |
| Oroville | 07:56:42 | -23.0 | Dark | Down | 13.4 | 142.9 | Really Low | 07:45:16 - 08:08:07 | 5113 |
| Anarchist Mountain Observatory | 07:56:41 | -22.9 | Dark | Down | 13.4 | 143.0 | Really Low | 07:45:15 - 08:08:06 | 5112 |
| Ellensburg | 07:56:49 | -24.9 | Dark | Down | 14.5 | 141.7 | Really Low | 07:45:24 - 08:08:15 | 5112 |
| Brewster | 07:56:46 | -23.8 | Dark | Down | 13.9 | 142.5 | Really Low | 07:45:20 - 08:08:11 | 5111 |
| Tonasket | 07:56:42 | -23.2 | Dark | Down | 13.6 | 142.9 | Really Low | 07:45:17 - 08:08:08 | 5110 |
| Okanogan | 07:56:43 | -23.6 | Dark | Down | 13.8 | 142.7 | Really Low | 07:45:18 - 08:08:09 | 5110 |
| Yakima | 07:56:53 | -25.3 | Dark | Down | 14.8 | 141.6 | Really Low | 07:45:27 - 08:08:18 | 5107 |
| The Dalles | 07:56:56 | -26.3 | Dark | Down | 15.3 | 140.9 | Really Low | 07:45:31 - 08:08:22 | 5104 |
| Goldendale | 07:56:55 | -26.1 | Dark | Down | 15.3 | 141.3 | Really Low | 07:45:29 - 08:08:20 | 5101 |
| Toppenish/White Swan | 07:56:51 | -25.5 | Dark | Down | 15.0 | 141.7 | Really Low | 07:45:26 - 08:08:17 | 5100 |
| Maupin | 07:56:58 | -26.7 | Dark | Down | 15.7 | 141.0 | Really Low | 07:45:33 - 08:08:24 | 5096 |
| Sisters | 07:57:02 | -27.5 | Dark | Down | 16.2 | 140.4 | Really Low | 07:45:36 - 08:08:27 | 5090 |
| Madras/Culver | 07:56:59 | -27.2 | Dark | Down | 16.1 | 140.8 | Really Low | 07:45:34 - 08:08:25 | 5087 |
| Redmond | 07:57:00 | -27.6 | Dark | Down | 16.4 | 140.7 | Really Low | 07:45:34 - 08:08:25 | 5082 |
| Bend | 07:57:03 | -27.8 | Dark | Down | 16.5 | 140.6 | Really Low | 07:45:38 - 08:08:29 | 5081 |
| Oregon Observatory | 07:57:03 | -28.0 | Dark | Down | 16.5 | 140.4 | Really Low | 07:45:37 - 08:08:28 | 5080 |
| La Pine/Gilchrist | 07:57:04 | -28.2 | Dark | Down | 16.7 | 140.3 | Really Low | 07:45:39 - 08:08:30 | 5078 |
| Pasco | 07:56:48 | -25.7 | Dark | Down | 15.7 | 142.8 | Really Low | 07:45:22 - 08:08:13 | 5073 |
| George/Umatilla | 07:56:49 | -26.0 | Dark | Down | 15.9 | 142.6 | Really Low | 07:45:24 - 08:08:15 | 5073 |
| PNWRO | 07:56:48 | -25.9 | Dark | Down | 16.0 | 143.0 | Really Low | 07:45:22 - 08:08:13 | 5065 |
| Chiloquin | 07:57:09 | -29.3 | Dark | Down | 17.4 | 139.8 | Really Low | 07:45:43 - 08:08:34 | 5063 |
| North Lake | 07:57:05 | -28.6 | Dark | Down | 17.3 | 140.8 | Really Low | 07:45:40 - 08:08:31 | 5057 |
| Klamath Falls | 07:57:10 | -29.6 | Dark | Down | 17.7 | 139.8 | Really Low | 07:45:44 - 08:08:35 | 5054 |
| Tulelake | 07:57:11 | -29.9 | Dark | Down | 18.0 | 140.0 | Really Low | 07:45:45 - 08:08:36 | 5042 |
| Paisley | 07:57:07 | -29.2 | Dark | Down | 17.9 | 141.0 | Really Low | 07:45:41 - 08:08:32 | 5039 |
| Lakeview | 07:57:07 | -29.7 | Dark | Down | 18.4 | 141.1 | Really Low | 07:45:41 - 08:08:32 | 5024 |
| Fall River/Burney | 07:57:13 | -30.8 | Dark | Down | 18.8 | 139.9 | Really Low | 07:45:48 - 08:08:39 | 5019 |
| Cedarville | 07:57:09 | -30.4 | Dark | Down | 19.0 | 141.1 | Really Low | 07:45:43 - 08:08:34 | 5005 |
| Susanville | 07:57:14 | -31.5 | Dark | Down | 19.6 | 140.4 | Really Low | 07:45:49 - 08:08:40 | 4989 |
| Greenville | 07:57:14 | -31.7 | Dark | Down | 19.7 | 140.1 | Really Low | 07:45:49 - 08:08:40 | 4988 |
| Gimple | 07:57:16 | -31.7 | Dark | Down | 19.7 | 140.2 | Really Low | 07:45:50 - 08:08:41 | 4986 |
| Quincy | 07:57:17 | -31.9 | Dark | Down | 19.8 | 140.1 | Really Low | 07:45:51 - 08:08:42 | 4983 |
| Portola | 07:57:14 | -32.1 | Dark | Down | 20.2 | 140.5 | Low | 07:45:49 - 08:08:40 | 4969 |
| Reno | 07:57:12 | -32.4 | Dark | Down | 20.7 | 140.9 | Low | 07:45:47 - 08:08:38 | 4948 |
| Carson City | 07:57:15 | -32.7 | Dark | Down | 21.0 | 140.9 | Low | 07:45:49 - 08:08:40 | 4937 |
| Gardnerville | 07:57:14 | -33.0 | Dark | Down | 21.2 | 140.9 | Low | 07:45:49 - 08:08:40 | 4929 |
| Yerington | 07:57:14 | -32.9 | Dark | Down | 21.4 | 141.4 | Low | 07:45:49 - 08:08:40 | 4918 |
| Hawthorne | 07:57:13 | -33.4 | Dark | Down | 22.1 | 141.7 | Low | 07:45:48 - 08:08:39 | 4892 |
| Lee Vining | 07:57:18 | -34.0 | Dark | Down | 22.3 | 141.2 | Low | 07:45:52 - 08:08:43 | 4887 |
| Bishop | 07:57:17 | -34.6 | Dark | Down | 23.1 | 141.6 | Low | 07:45:51 - 08:08:42 | 4851 |
| Tonopah | 07:57:11 | -33.9 | Dark | Down | 23.1 | 142.8 | Low | 07:45:45 - 08:08:36 | 4843 |
| CPSLO | 07:57:32 | -36.6 | Dark | Down | 23.5 | 139.2 | Low | 07:46:06 - 08:08:57 | 4837 |
| Lone Pine | 07:57:18 | -35.3 | Dark | Down | 23.9 | 141.7 | Low | 07:45:52 - 08:08:43 | 4818 |
| Beatty | 07:57:12 | -35.0 | Dark | Down | 24.2 | 142.9 | Low | 07:45:47 - 08:08:38 | 4795 |
| Indian Springs | 07:57:10 | -35.3 | Dark | Down | 25.0 | 143.8 | Low | 07:45:44 - 08:08:35 | 4756 |
| Wildwood | 07:57:29 | -37.8 | Dark | Down | 25.6 | 140.6 | Low | 07:46:03 - 08:08:54 | 4744 |
| Henderson | 07:57:09 | -35.8 | Dark | Down | 25.8 | 144.3 | Low | 07:45:43 - 08:08:34 | 4719 |
| Searchlight/Boulder City | 07:57:11 | -36.4 | Dark | Down | 26.3 | 144.2 | Low | 07:45:46 - 08:08:37 | 4697 |
| Idyllwild | 07:57:24 | -38.2 | Dark | Down | 26.8 | 142.1 | Low | 07:45:58 - 08:08:49 | 4681 |
| Laughlin/Bullhead City | 07:57:11 | -36.7 | Dark | Down | 26.7 | 144.4 | Low | 07:45:46 - 08:08:37 | 4676 |
| Mohave Valley | 07:57:11 | -37.0 | Dark | Down | 26.9 | 144.3 | Low | 07:45:46 - 08:08:37 | 4666 |
| Patrick | 07:57:08 | -36.4 | Dark | Down | 26.8 | 145.1 | Low | 07:45:42 - 08:08:33 | 4665 |
| Kingman/Dolan Springs | 07:57:09 | -36.6 | Dark | Down | 26.9 | 144.9 | Low | 07:45:43 - 08:08:34 | 4662 |
| Lake Havasu City | 07:57:13 | -37.4 | Dark | Down | 27.4 | 144.5 | Low | 07:45:48 - 08:08:39 | 4644 |
| DCO | 07:57:07 | -36.7 | Dark | Down | 27.4 | 145.7 | Low | 07:45:41 - 08:08:32 | 4633 |
| Parker | 07:57:13 | -37.7 | Dark | Down | 27.7 | 144.4 | Low | 07:45:48 - 08:08:39 | 4630 |
| Calipatria | 07:57:19 | -38.8 | Dark | Down | 27.9 | 143.0 | Low | 07:45:54 - 08:08:45 | 4625 |
| Blythe | 07:57:17 | -38.2 | Dark | Down | 28.0 | 144.0 | Low | 07:45:52 - 08:08:43 | 4618 |
| Yuma | 07:57:19 | -39.2 | Dark | Down | 28.7 | 143.6 | Low | 07:45:54 - 08:08:45 | 4582 |
| Niwot | 07:56:25 | -30.7 | Dark | Down | 26.2 | 154.4 | Low | 07:44:59 - 08:07:50 | 4554 |
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 175113, (2019/08/01 07:57UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 10.51 151 88 Aqr 23:09:26.9 -21:10:20 3.7 1.65 149 PPM 241360 23:14:07.6 -19:41:45 7.8 0.64 148 PPM 241268 23:10:19.5 -19:27:45 9.8 0.29 149 175113 23:11:26.8 -19:35:26 15.2 149 Positions are for J2000
Event circumstances last updated at 2019/01/27 21:49:09 UT
Marc W. Buie, Southwest Research Institute