Event between 11VJ24 and star UC4-603-043254 with event index number of 133113
Geocentric closest approach at 2017/09/17 10:11:43 UTC
J2000 position of star is 07:47:43.5 +30:34:37
Equinox of date position of star is 07:48:49.1 +30:31:58
Stellar brightness R=13.0,
use SENSEUP=32
Star is 28 degrees from the moon.
Moon is 9% illuminated.
TNO apparent brightness V=21.4
[RECON map]
TNO is 32.4 AU from the Sun
and 32.8 AU from the Earth.
The TNO is moving 20.0
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 1115 seconds.
The 1-sigma cross-track error in the shadow position is
2259 km.
The sky-plane scale is
23813.2 km/arcsec.
The TNO has an absolute magnitude Hv=6.1
Diameter=364.8 km assuming a 5% albedo -- 18.3 sec chord
Diameter=148.9 km assuming a 30% albedo -- 7.5 sec chord
Dynamical classification is 3:2E
Star training set for 11VJ24, (2017/09/17 10:12UT) Object RA Dec mag sep mel Pollux 07:46:23.8 +27:58:55 1.1 2.61 27 75Sig Gem 07:44:25.0 +28:50:21 5.3 1.95 28 PPM 073179 07:52:37.0 +30:29:02 8.2 0.81 27 PPM 073143 07:50:30.9 +30:40:21 9.2 0.39 27 PPM 073097 07:47:46.3 +30:26:58 11.2 0.24 28 11VJ24 07:48:50.4 +30:31:55 13.0 27 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
0.8 sigma about the mid-time.
The median site spacing is 17.9 km
RECON observability=0.8 and success probability=1.6%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Oroville | 10:08:20 | -31.1 | Dark | Down | 23.9 | 70.3 | Low | 09:53:20 - 10:23:20 | 7702 |
| Tonasket | 10:08:19 | -31.3 | Dark | Down | 23.9 | 70.2 | Low | 09:53:19 - 10:23:19 | 7687 |
| Okanogan | 10:08:17 | -31.6 | Dark | Down | 23.6 | 69.9 | Low | 09:53:17 - 10:23:17 | 7671 |
| Manson/Chelan | 10:08:16 | -32.2 | Dark | Down | 23.1 | 69.4 | Low | 09:53:16 - 10:23:16 | 7663 |
| Brewster | 10:08:16 | -31.9 | Dark | Down | 23.4 | 69.7 | Low | 09:53:16 - 10:23:16 | 7662 |
| Entiat | 10:08:15 | -32.4 | Dark | Down | 23.0 | 69.2 | Low | 09:53:15 - 10:23:15 | 7652 |
| Wenatchee | 10:08:13 | -32.6 | Dark | Down | 22.8 | 69.1 | Low | 09:53:13 - 10:23:13 | 7639 |
| Ellensburg | 10:08:12 | -33.1 | Dark | Down | 22.5 | 68.7 | Low | 09:53:12 - 10:23:12 | 7622 |
| Yakima | 10:08:11 | -33.4 | Dark | Down | 22.4 | 68.6 | Low | 09:53:11 - 10:23:11 | 7596 |
| Toppenish/White Swan | 10:08:09 | -33.5 | Dark | Down | 22.4 | 68.6 | Low | 09:53:09 - 10:23:09 | 7575 |
| Goldendale | 10:08:07 | -34.1 | Dark | Down | 21.9 | 68.1 | Low | 09:53:07 - 10:23:07 | 7557 |
| The Dalles | 10:08:06 | -34.4 | Dark | Down | 21.6 | 67.8 | Low | 09:53:06 - 10:23:06 | 7556 |
| Maupin | 10:08:05 | -34.7 | Dark | Down | 21.5 | 67.7 | Low | 09:53:05 - 10:23:05 | 7525 |
| Pasco | 10:08:09 | -33.0 | Dark | Down | 23.2 | 69.3 | Low | 09:53:09 - 10:23:09 | 7518 |
| George/Umatilla | 10:08:08 | -33.3 | Dark | Down | 22.9 | 69.1 | Low | 09:53:08 - 10:23:08 | 7504 |
| PNWRO | 10:08:08 | -33.1 | Dark | Down | 23.2 | 69.4 | Low | 09:53:08 - 10:23:08 | 7493 |
| Madras/Culver | 10:08:02 | -35.1 | Dark | Down | 21.3 | 67.5 | Low | 09:53:02 - 10:23:02 | 7491 |
| Sisters | 10:08:01 | -35.6 | Dark | Down | 20.8 | 67.1 | Low | 09:53:01 - 10:23:01 | 7487 |
| Redmond | 10:08:02 | -35.4 | Dark | Down | 21.1 | 67.3 | Low | 09:53:02 - 10:23:02 | 7469 |
| Bend | 10:08:01 | -35.7 | Dark | Down | 20.9 | 67.2 | Low | 09:53:01 - 10:23:01 | 7460 |
| Oregon Observatory | 10:07:59 | -35.9 | Dark | Down | 20.8 | 67.0 | Low | 09:52:59 - 10:22:59 | 7454 |
| La Pine/Gilchrist | 10:07:58 | -36.0 | Dark | Down | 20.6 | 66.9 | Low | 09:52:58 - 10:22:58 | 7443 |
| North Lake | 10:07:57 | -36.1 | Dark | Down | 20.9 | 67.1 | Low | 09:52:57 - 10:22:57 | 7389 |
| Chiloquin | 10:07:55 | -37.1 | Dark | Down | 19.9 | 66.3 | Really Low | 09:52:55 - 10:22:55 | 7383 |
| Klamath Falls | 10:07:52 | -37.3 | Dark | Down | 19.8 | 66.3 | Really Low | 09:52:52 - 10:22:52 | 7356 |
| Paisley | 10:07:55 | -36.3 | Dark | Down | 20.9 | 67.1 | Low | 09:52:55 - 10:22:55 | 7336 |
| Tulelake | 10:07:51 | -37.3 | Dark | Down | 19.9 | 66.3 | Really Low | 09:52:51 - 10:22:51 | 7324 |
| Lakeview | 10:07:52 | -36.6 | Dark | Down | 20.8 | 67.0 | Low | 09:52:52 - 10:22:52 | 7293 |
| Fall River/Burney | 10:07:48 | -38.0 | Dark | Down | 19.6 | 66.1 | Really Low | 09:52:48 - 10:22:48 | 7258 |
| Cedarville | 10:07:50 | -37.0 | Dark | Down | 20.7 | 66.9 | Low | 09:52:50 - 10:22:50 | 7240 |
| Susanville | 10:07:46 | -38.1 | Dark | Down | 19.9 | 66.3 | Really Low | 09:52:46 - 10:22:46 | 7181 |
| Greenville | 10:07:45 | -38.4 | Dark | Down | 19.6 | 66.0 | Really Low | 09:52:45 - 10:22:45 | 7174 |
| Gimple | 10:07:45 | -38.4 | Dark | Down | 19.6 | 66.1 | Really Low | 09:52:45 - 10:22:45 | 7170 |
| Quincy | 10:07:44 | -38.6 | Dark | Down | 19.5 | 65.9 | Really Low | 09:52:44 - 10:22:44 | 7159 |
| Portola | 10:07:44 | -38.4 | Dark | Down | 19.8 | 66.2 | Really Low | 09:52:44 - 10:22:44 | 7130 |
| Reno | 10:07:44 | -38.3 | Dark | Down | 20.1 | 66.4 | Low | 09:52:44 - 10:22:44 | 7082 |
| Carson City | 10:07:41 | -38.5 | Dark | Down | 20.0 | 66.3 | Really Low | 09:52:41 - 10:22:41 | 7055 |
| Gardnerville | 10:07:40 | -38.7 | Dark | Down | 19.9 | 66.2 | Really Low | 09:52:40 - 10:22:40 | 7035 |
| Yerington | 10:07:41 | -38.3 | Dark | Down | 20.3 | 66.6 | Low | 09:52:41 - 10:22:41 | 7013 |
| Hawthorne | 10:07:40 | -38.3 | Dark | Down | 20.5 | 66.7 | Low | 09:52:40 - 10:22:40 | 6955 |
| Lee Vining | 10:07:37 | -39.0 | Dark | Down | 20.0 | 66.2 | Really Low | 09:52:37 - 10:22:37 | 6935 |
| Tonopah | 10:07:38 | -37.8 | Dark | Down | 21.4 | 67.2 | Low | 09:52:38 - 10:22:38 | 6857 |
| Bishop | 10:07:35 | -39.0 | Dark | Down | 20.2 | 66.4 | Low | 09:52:35 - 10:22:35 | 6857 |
| CPSLO | 10:07:28 | -41.7 | Dark | Down | 17.7 | 64.6 | Really Low | 09:52:28 - 10:22:28 | 6803 |
| Lone Pine | 10:07:33 | -39.3 | Dark | Down | 20.2 | 66.3 | Low | 09:52:33 - 10:22:33 | 6783 |
| Beatty | 10:07:34 | -38.3 | Dark | Down | 21.2 | 67.0 | Low | 09:52:34 - 10:22:34 | 6747 |
| Indian Springs | 10:07:33 | -37.9 | Dark | Down | 21.9 | 67.4 | Low | 09:52:33 - 10:22:33 | 6673 |
| Wildwood | 10:07:24 | -41.3 | Dark | Down | 18.7 | 65.2 | Really Low | 09:52:24 - 10:22:24 | 6613 |
| Henderson | 10:07:32 | -37.8 | Dark | Down | 22.2 | 67.5 | Low | 09:52:32 - 10:22:32 | 6599 |
| Searchlight/Boulder City | 10:07:30 | -38.1 | Dark | Down | 22.0 | 67.3 | Low | 09:52:30 - 10:22:30 | 6550 |
| Laughlin/Bullhead City | 10:07:29 | -38.1 | Dark | Down | 22.2 | 67.4 | Low | 09:52:29 - 10:22:29 | 6510 |
| Patrick | 10:07:29 | -37.5 | Dark | Down | 22.8 | 67.8 | Low | 09:52:29 - 10:22:29 | 6497 |
| Idyllwild | 10:07:23 | -40.3 | Dark | Down | 20.0 | 65.9 | Really Low | 09:52:23 - 10:22:23 | 6496 |
| Niwot | 10:07:55 | -29.1 | Dark | Up | 30.9 | 74.3 | Up | 09:52:55 - 10:22:55 | 6493 |
| Kingman/Dolan Springs | 10:07:29 | -37.7 | Dark | Down | 22.6 | 67.6 | Low | 09:52:29 - 10:22:29 | 6488 |
| Mohave Valley | 10:07:29 | -38.2 | Dark | Down | 22.1 | 67.3 | Low | 09:52:29 - 10:22:29 | 6488 |
| Lake Havasu City | 10:07:27 | -38.3 | Dark | Down | 22.1 | 67.2 | Low | 09:52:27 - 10:22:27 | 6444 |
| DCO | 10:07:30 | -37.2 | Dark | Down | 23.2 | 68.0 | Low | 09:52:30 - 10:22:30 | 6440 |
| Parker | 10:07:26 | -38.5 | Dark | Down | 22.0 | 67.1 | Low | 09:52:26 - 10:22:26 | 6414 |
| Calipatria | 10:07:22 | -39.9 | Dark | Down | 20.6 | 66.2 | Low | 09:52:22 - 10:22:22 | 6390 |
| Blythe | 10:07:24 | -39.0 | Dark | Down | 21.6 | 66.8 | Low | 09:52:24 - 10:22:24 | 6386 |
| Yuma | 10:07:22 | -39.6 | Dark | Down | 21.1 | 66.4 | Low | 09:52:22 - 10:22:22 | 6312 |
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 11VJ24, (2017/09/17 10:12UT) Object RA Dec mag sep mel Pollux 07:45:18.1 +28:01:33 1.1 2.61 27 75Sig Gem 07:43:18.8 +28:52:57 5.3 1.95 28 PPM 073179 07:51:30.2 +30:31:49 8.2 0.81 27 PPM 073143 07:49:24.0 +30:43:05 9.2 0.39 27 PPM 073097 07:46:39.4 +30:29:38 11.2 0.24 28 11VJ24 07:47:43.5 +30:34:37 13.0 28 Positions are for J2000
Event circumstances last updated at 2017/05/15 18:02:12 UT
Marc W. Buie, Southwest Research Institute