Event between 04PX107 and star GA0700:34538064 with event index number of 208223
Geocentric closest approach at 2019/07/01 08:12:18 UTC
J2000 position of star is 21:25:45.3 -18:13:25
Equinox of date position of star is 21:26:47.1 -18:08:35
Stellar brightness G=16.2,
use SENSEUP=128
Star is 122 degrees from the moon.
Moon is 3% illuminated.
TNO apparent brightness V=23.5
[RECON map]
TNO is 41.9 AU from the Sun
and 41.1 AU from the Earth.
The TNO is moving 18.1
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 399 seconds.
The 1-sigma cross-track error in the shadow position is
5426 km.
The sky-plane scale is
29825.6 km/arcsec.
The TNO has an absolute magnitude Hv=7.2
Diameter=219.8 km assuming a 5% albedo -- 12.2 sec chord
Diameter=89.7 km assuming a 30% albedo -- 5.0 sec chord
Dynamical classification is CLASSICAL
Star training set for 04PX107, (2019/07/01 08:12UT) Object RA Dec mag sep mel Fomalhaut 22:58:43.4 -29:31:07 1.2 23.83 104 32Iot Cap 21:23:19.8 -16:45:02 4.3 1.62 122 PPM 238835 21:27:21.8 -18:03:52 8.2 0.14 122 PPM 238825 21:26:43.1 -18:09:47 10.0 0.04 122 04PX107 21:26:50.6 -18:08:19 16.2 121 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
2.3 sigma about the mid-time.
The median site spacing is 13.3 km
RECON observability=0.5 and success probability=0.3%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Penticton | 08:09:27 | -17.3 | AT | Down | 13.7 | 141.5 | Really Low | 07:54:27 - 08:24:27 | 15938 |
| Oroville | 08:09:27 | -17.9 | AT | Down | 14.3 | 141.5 | Really Low | 07:54:27 - 08:24:27 | 15922 |
| Tonasket | 08:09:27 | -18.2 | Dark | Down | 14.4 | 141.5 | Really Low | 07:54:27 - 08:24:27 | 15916 |
| Okanogan | 08:09:31 | -18.5 | Dark | Down | 14.6 | 141.3 | Really Low | 07:54:31 - 08:24:31 | 15908 |
| Brewster | 08:09:31 | -18.8 | Dark | Down | 14.8 | 141.1 | Really Low | 07:54:31 - 08:24:31 | 15901 |
| Manson/Chelan | 08:09:33 | -19.0 | Dark | Down | 14.8 | 140.7 | Really Low | 07:54:33 - 08:24:33 | 15898 |
| Entiat | 08:09:37 | -19.2 | Dark | Down | 14.9 | 140.7 | Really Low | 07:54:37 - 08:24:37 | 15892 |
| Wenatchee | 08:09:37 | -19.5 | Dark | Down | 15.1 | 140.5 | Really Low | 07:54:37 - 08:24:37 | 15886 |
| Ellensburg | 08:09:40 | -19.9 | Dark | Down | 15.3 | 140.3 | Really Low | 07:54:40 - 08:24:40 | 15875 |
| Yakima | 08:09:39 | -20.3 | Dark | Down | 15.6 | 140.2 | Really Low | 07:54:39 - 08:24:39 | 15863 |
| Toppenish/White Swan | 08:09:40 | -20.5 | Dark | Down | 15.9 | 140.3 | Really Low | 07:54:40 - 08:24:40 | 15855 |
| Pasco | 08:09:38 | -20.6 | Dark | Down | 16.5 | 141.4 | Really Low | 07:54:38 - 08:24:38 | 15842 |
| Goldendale | 08:09:45 | -21.1 | Dark | Down | 16.1 | 139.8 | Really Low | 07:54:45 - 08:24:45 | 15840 |
| The Dalles | 08:09:48 | -21.3 | Dark | Down | 16.1 | 139.5 | Really Low | 07:54:48 - 08:24:48 | 15835 |
| George/Umatilla | 08:09:40 | -20.9 | Dark | Down | 16.7 | 141.1 | Really Low | 07:54:40 - 08:24:40 | 15833 |
| PNWRO | 08:09:38 | -20.8 | Dark | Down | 16.8 | 141.5 | Really Low | 07:54:38 - 08:24:38 | 15832 |
| Maupin | 08:09:47 | -21.7 | Dark | Down | 16.5 | 139.5 | Really Low | 07:54:47 - 08:24:47 | 15821 |
| Madras/Culver | 08:09:50 | -22.3 | Dark | Down | 16.9 | 139.4 | Really Low | 07:54:50 - 08:24:50 | 15803 |
| Sisters | 08:09:54 | -22.6 | Dark | Down | 16.9 | 138.9 | Really Low | 07:54:54 - 08:24:54 | 15794 |
| Redmond | 08:09:50 | -22.6 | Dark | Down | 17.1 | 139.2 | Really Low | 07:54:50 - 08:24:50 | 15791 |
| Bend | 08:09:55 | -22.8 | Dark | Down | 17.2 | 139.1 | Really Low | 07:54:55 - 08:24:55 | 15784 |
| Oregon Observatory | 08:09:54 | -23.0 | Dark | Down | 17.3 | 138.9 | Really Low | 07:54:54 - 08:24:54 | 15779 |
| La Pine/Gilchrist | 08:09:55 | -23.2 | Dark | Down | 17.4 | 138.9 | Really Low | 07:54:55 - 08:24:55 | 15772 |
| North Lake | 08:09:54 | -23.6 | Dark | Down | 18.0 | 139.3 | Really Low | 07:54:54 - 08:24:54 | 15752 |
| Chiloquin | 08:10:02 | -24.3 | Dark | Down | 18.1 | 138.3 | Really Low | 07:55:02 - 08:25:02 | 15733 |
| Paisley | 08:09:54 | -24.2 | Dark | Down | 18.6 | 139.5 | Really Low | 07:54:54 - 08:24:54 | 15729 |
| Klamath Falls | 08:10:02 | -24.7 | Dark | Down | 18.4 | 138.3 | Really Low | 07:55:02 - 08:25:02 | 15720 |
| Lakeview | 08:09:57 | -24.7 | Dark | Down | 19.1 | 139.5 | Really Low | 07:54:57 - 08:24:57 | 15708 |
| Tulelake | 08:10:01 | -24.9 | Dark | Down | 18.8 | 138.5 | Really Low | 07:55:01 - 08:25:01 | 15707 |
| Cedarville | 08:09:58 | -25.3 | Dark | Down | 19.7 | 139.5 | Really Low | 07:54:58 - 08:24:58 | 15681 |
| Fall River/Burney | 08:10:04 | -25.8 | Dark | Down | 19.5 | 138.4 | Really Low | 07:55:04 - 08:25:04 | 15670 |
| Susanville | 08:10:05 | -26.5 | Dark | Down | 20.3 | 138.9 | Low | 07:55:05 - 08:25:05 | 15639 |
| Greenville | 08:10:06 | -26.7 | Dark | Down | 20.4 | 138.6 | Low | 07:55:06 - 08:25:06 | 15630 |
| Gimple | 08:10:06 | -26.7 | Dark | Down | 20.4 | 138.6 | Low | 07:55:06 - 08:25:06 | 15629 |
| Quincy | 08:10:06 | -26.9 | Dark | Down | 20.5 | 138.5 | Low | 07:55:06 - 08:25:06 | 15621 |
| Portola | 08:10:06 | -27.1 | Dark | Down | 20.9 | 138.9 | Low | 07:55:06 - 08:25:06 | 15612 |
| Reno | 08:10:04 | -27.3 | Dark | Down | 21.4 | 139.4 | Low | 07:55:04 - 08:25:04 | 15595 |
| Carson City | 08:10:06 | -27.7 | Dark | Down | 21.7 | 139.3 | Low | 07:55:06 - 08:25:06 | 15580 |
| Gardnerville | 08:10:07 | -27.9 | Dark | Down | 21.9 | 139.3 | Low | 07:55:07 - 08:25:07 | 15568 |
| Yerington | 08:10:03 | -27.9 | Dark | Down | 22.2 | 139.8 | Low | 07:55:03 - 08:25:03 | 15566 |
| Hawthorne | 08:10:06 | -28.3 | Dark | Down | 22.8 | 140.2 | Low | 07:55:06 - 08:25:06 | 15540 |
| Lee Vining | 08:10:06 | -28.9 | Dark | Down | 23.0 | 139.6 | Low | 07:55:06 - 08:25:06 | 15518 |
| Tonopah | 08:10:00 | -28.7 | Dark | Down | 23.8 | 141.3 | Low | 07:55:00 - 08:25:00 | 15505 |
| Bishop | 08:10:06 | -29.4 | Dark | Down | 23.8 | 140.1 | Low | 07:55:06 - 08:25:06 | 15484 |
| Beatty | 08:10:01 | -29.8 | Dark | Down | 25.0 | 141.3 | Low | 07:55:01 - 08:25:01 | 15446 |
| Lone Pine | 08:10:06 | -30.2 | Dark | Down | 24.5 | 140.1 | Low | 07:55:06 - 08:25:06 | 15444 |
| Niwot | 08:09:06 | -25.0 | Dark | Down | 27.1 | 152.9 | Low | 07:54:06 - 08:24:06 | 15434 |
| Indian Springs | 08:09:59 | -30.1 | Dark | Down | 25.8 | 142.2 | Low | 07:54:59 - 08:24:59 | 15418 |
| CPSLO | 08:10:23 | -31.6 | Dark | Down | 24.2 | 137.6 | Low | 07:55:23 - 08:25:23 | 15402 |
| Henderson | 08:09:59 | -30.5 | Dark | Down | 26.5 | 142.7 | Low | 07:54:59 - 08:24:59 | 15383 |
| Searchlight/Boulder City | 08:09:59 | -31.1 | Dark | Down | 27.0 | 142.6 | Low | 07:54:59 - 08:24:59 | 15353 |
| Patrick | 08:09:56 | -31.0 | Dark | Down | 27.6 | 143.5 | Low | 07:54:56 - 08:24:56 | 15338 |
| Laughlin/Bullhead City | 08:10:00 | -31.3 | Dark | Down | 27.4 | 142.8 | Low | 07:55:00 - 08:25:00 | 15334 |
| Kingman/Dolan Springs | 08:09:55 | -31.3 | Dark | Down | 27.6 | 143.3 | Low | 07:54:55 - 08:24:55 | 15328 |
| Wildwood | 08:10:18 | -32.7 | Dark | Down | 26.2 | 138.9 | Low | 07:55:18 - 08:25:18 | 15321 |
| Mohave Valley | 08:10:00 | -31.6 | Dark | Down | 27.6 | 142.7 | Low | 07:55:00 - 08:25:00 | 15320 |
| DCO | 08:09:53 | -31.2 | Dark | Down | 28.1 | 144.1 | Low | 07:54:53 - 08:24:53 | 15313 |
| Lake Havasu City | 08:09:59 | -32.0 | Dark | Down | 28.1 | 142.8 | Low | 07:54:59 - 08:24:59 | 15295 |
| Idyllwild | 08:10:12 | -33.0 | Dark | Down | 27.5 | 140.4 | Low | 07:55:12 - 08:25:12 | 15283 |
| Parker | 08:10:01 | -32.3 | Dark | Down | 28.4 | 142.7 | Low | 07:55:01 - 08:25:01 | 15276 |
| Blythe | 08:10:03 | -32.9 | Dark | Down | 28.6 | 142.3 | Low | 07:55:03 - 08:25:03 | 15252 |
| Calipatria | 08:10:11 | -33.5 | Dark | Down | 28.6 | 141.3 | Low | 07:55:11 - 08:25:11 | 15236 |
| Yuma | 08:10:06 | -33.8 | Dark | Down | 29.4 | 141.9 | Low | 07:55:06 - 08:25:06 | 15201 |
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 04PX107, (2019/07/01 08:12UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 23.83 104 32Iot Cap 21:22:14.8 -16:50:04 4.3 1.62 122 PPM 238835 21:26:16.6 -18:08:58 8.2 0.14 122 PPM 238825 21:25:37.8 -18:14:53 10.0 0.04 122 04PX107 21:25:45.3 -18:13:25 16.2 122 Positions are for J2000
Event circumstances last updated at 2018/06/12 02:21:36 UT
Marc W. Buie, Southwest Research Institute