Event between 13WV107 and star UC4-561-026429 with event index number of 58927
Geocentric closest approach at 2017/04/16 03:59:08 UTC
J2000 position of star is 06:13:27.9 +22:02:38
Equinox of date position of star is 06:14:30.0 +22:02:17
Stellar brightness R=16.4,
use SENSEUP=128
Star is 167 degrees from the moon.
Moon is 79% illuminated.
TNO apparent brightness V=21.1
[RECON map]
TNO is 11.2 AU from the Sun
and 11.6 AU from the Earth.
The TNO is moving 20.2
km/sec on the sky relative to the star, or,
8.7 arcsec/hr.
The 1-sigma error in the time of the event is 57 seconds.
The 1-sigma cross-track error in the shadow position is
698 km.
The sky-plane scale is
8396.5 km/arcsec.
The TNO has an absolute magnitude Hv=10.1
Diameter=56.5 km assuming a 5% albedo -- 2.8 sec chord
Diameter=23.1 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURR
Star training set for 13WV107, (2017/04/16 03:59UT) Object RA Dec mag sep mel Betelgeuse 05:56:06.5 +07:24:32 0.4 15.29 166 Alhena 06:38:42.6 +16:22:59 1.9 8.04 161 7Eta Gem 06:15:55.3 +22:30:01 4.5 0.57 167 PPM 095640 06:15:30.9 +21:46:31 8.4 0.35 167 PPM 095603 06:13:44.7 +21:58:58 10.5 0.19 167 13WV107 06:14:30.4 +22:02:17 16.4 167 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 9.4 km
RECON observability=0.5 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) |
| Oroville | 04:01:15 | -11.5 | CT | Down | 41.1 | 255.9 | Up | 03:56:00 - 04:06:29 | 5107 |
| Tonasket | 04:01:15 | -11.6 | CT | Down | 41.2 | 256.1 | Up | 03:56:01 - 04:06:30 | 5090 |
| Okanogan | 04:01:17 | -11.7 | CT | Down | 41.4 | 256.2 | Up | 03:56:02 - 04:06:31 | 5061 |
| Brewster | 04:01:17 | -11.7 | CT | Down | 41.6 | 256.3 | Up | 03:56:03 - 04:06:32 | 5035 |
| Manson/Chelan | 04:01:18 | -11.6 | CT | Down | 41.8 | 256.2 | Up | 03:56:03 - 04:06:32 | 5008 |
| Entiat | 04:01:18 | -11.7 | CT | Down | 41.9 | 256.3 | Up | 03:56:04 - 04:06:33 | 4989 |
| Wenatchee | 04:01:19 | -11.7 | CT | Down | 42.1 | 256.4 | Up | 03:56:04 - 04:06:33 | 4967 |
| Niwot | 04:02:15 | -25.0 | Dark | Down | 31.6 | 273.3 | Up | 03:57:01 - 04:07:30 | 4930 |
| Ellensburg | 04:01:20 | -11.8 | CT | Down | 42.3 | 256.6 | Up | 03:56:06 - 04:06:35 | 4930 |
| Pasco | 04:01:26 | -13.1 | AT | Down | 41.5 | 258.5 | Up | 03:56:12 - 04:06:41 | 4918 |
| PNWRO | 04:01:27 | -13.3 | AT | Down | 41.4 | 258.9 | Up | 03:56:13 - 04:06:42 | 4907 |
| Yakima | 04:01:22 | -12.0 | AT | Down | 42.4 | 257.0 | Up | 03:56:07 - 04:06:36 | 4898 |
| Toppenish/White Swan | 04:01:23 | -12.2 | AT | Down | 42.3 | 257.3 | Up | 03:56:08 - 04:06:37 | 4887 |
| George/Umatilla | 04:01:27 | -13.1 | AT | Down | 41.7 | 258.6 | Up | 03:56:12 - 04:06:41 | 4886 |
| Goldendale | 04:01:24 | -12.2 | AT | Down | 42.7 | 257.4 | Up | 03:56:10 - 04:06:39 | 4831 |
| The Dalles | 04:01:24 | -12.1 | AT | Down | 43.0 | 257.3 | Up | 03:56:10 - 04:06:39 | 4802 |
| Maupin | 04:01:26 | -12.4 | AT | Down | 43.1 | 257.8 | Up | 03:56:11 - 04:06:40 | 4773 |
| Madras/Culver | 04:01:28 | -12.6 | AT | Down | 43.2 | 258.3 | Up | 03:56:14 - 04:06:43 | 4729 |
| Redmond | 04:01:29 | -12.8 | AT | Down | 43.3 | 258.6 | Up | 03:56:15 - 04:06:44 | 4700 |
| Sisters | 04:01:29 | -12.5 | AT | Down | 43.6 | 258.2 | Up | 03:56:14 - 04:06:43 | 4689 |
| Bend | 04:01:29 | -12.8 | AT | Down | 43.4 | 258.6 | Up | 03:56:15 - 04:06:44 | 4678 |
| Oregon Observatory | 04:01:30 | -12.8 | AT | Down | 43.6 | 258.7 | Up | 03:56:16 - 04:06:45 | 4660 |
| La Pine/Gilchrist | 04:01:30 | -12.8 | AT | Down | 43.6 | 258.8 | Up | 03:56:16 - 04:06:45 | 4642 |
| North Lake | 04:01:34 | -13.4 | AT | Down | 43.3 | 259.8 | Up | 03:56:19 - 04:06:48 | 4628 |
| Paisley | 04:01:37 | -13.9 | AT | Down | 43.1 | 260.6 | Up | 03:56:22 - 04:06:51 | 4595 |
| Lakeview | 04:01:39 | -14.3 | AT | Down | 43.0 | 261.2 | Up | 03:56:25 - 04:06:54 | 4561 |
| Chiloquin | 04:01:34 | -13.1 | AT | Down | 44.1 | 259.6 | Up | 03:56:19 - 04:06:48 | 4541 |
| Klamath Falls | 04:01:36 | -13.4 | AT | Down | 44.1 | 260.0 | Up | 03:56:21 - 04:06:50 | 4516 |
| Cedarville | 04:01:42 | -14.8 | AT | Down | 43.0 | 261.9 | Up | 03:56:28 - 04:06:57 | 4514 |
| Tulelake | 04:01:37 | -13.7 | AT | Down | 43.9 | 260.5 | Up | 03:56:23 - 04:06:52 | 4504 |
| Fall River/Burney | 04:01:41 | -14.2 | AT | Down | 44.0 | 261.5 | Up | 03:56:27 - 04:06:56 | 4432 |
| Susanville | 04:01:45 | -15.0 | AT | Down | 43.5 | 262.6 | Up | 03:56:31 - 04:07:00 | 4406 |
| Gimple | 04:01:45 | -15.0 | AT | Down | 43.7 | 262.7 | Up | 03:56:31 - 04:07:00 | 4376 |
| Greenville | 04:01:45 | -14.9 | AT | Down | 43.8 | 262.7 | Up | 03:56:31 - 04:07:00 | 4373 |
| Reno | 04:01:50 | -16.0 | AT | Down | 42.9 | 264.1 | Up | 03:56:36 - 04:07:05 | 4364 |
| Portola | 04:01:48 | -15.4 | AT | Down | 43.4 | 263.3 | Up | 03:56:33 - 04:07:02 | 4363 |
| Quincy | 04:01:46 | -15.0 | AT | Down | 43.8 | 262.9 | Up | 03:56:32 - 04:07:01 | 4356 |
| Yerington | 04:01:54 | -16.7 | AT | Down | 42.5 | 265.0 | Up | 03:56:39 - 04:07:08 | 4341 |
| Carson City | 04:01:52 | -16.2 | AT | Down | 43.0 | 264.4 | Up | 03:56:37 - 04:07:06 | 4335 |
| Tonopah | 04:02:01 | -18.5 | Dark | Down | 41.0 | 267.2 | Up | 03:56:47 - 04:07:16 | 4334 |
| Hawthorne | 04:01:56 | -17.3 | AT | Down | 42.1 | 265.8 | Up | 03:56:42 - 04:07:11 | 4321 |
| Gardnerville | 04:01:53 | -16.3 | AT | Down | 42.9 | 264.7 | Up | 03:56:38 - 04:07:07 | 4316 |
| Indian Springs | 04:02:10 | -20.3 | Dark | Down | 39.8 | 269.4 | Up | 03:56:55 - 04:07:24 | 4266 |
| Lee Vining | 04:01:58 | -17.2 | AT | Down | 42.5 | 266.0 | Up | 03:56:43 - 04:07:12 | 4257 |
| Beatty | 04:02:07 | -19.4 | Dark | Down | 40.7 | 268.5 | Up | 03:56:52 - 04:07:21 | 4253 |
| Henderson | 04:02:13 | -21.1 | Dark | Down | 39.2 | 270.3 | Up | 03:56:59 - 04:07:28 | 4247 |
| DCO | 04:02:21 | -22.9 | Dark | Down | 37.7 | 272.1 | Up | 03:57:06 - 04:07:35 | 4238 |
| Patrick | 04:02:18 | -22.2 | Dark | Down | 38.3 | 271.5 | Up | 03:57:04 - 04:07:33 | 4237 |
| Bishop | 04:02:01 | -18.0 | Dark | Down | 42.0 | 267.0 | Up | 03:56:47 - 04:07:16 | 4232 |
| Kingman/Dolan Springs | 04:02:19 | -22.2 | Dark | Down | 38.4 | 271.5 | Up | 03:57:04 - 04:07:33 | 4211 |
| Searchlight/Boulder City | 04:02:16 | -21.4 | Dark | Down | 39.2 | 270.8 | Up | 03:57:02 - 04:07:31 | 4201 |
| Laughlin/Bullhead City | 04:02:17 | -21.8 | Dark | Down | 38.9 | 271.3 | Up | 03:57:03 - 04:07:32 | 4189 |
| Lone Pine | 04:02:05 | -18.6 | Dark | Down | 41.7 | 267.9 | Up | 03:56:50 - 04:07:19 | 4180 |
| Mohave Valley | 04:02:19 | -22.0 | Dark | Down | 38.8 | 271.5 | Up | 03:57:04 - 04:07:33 | 4166 |
| Lake Havasu City | 04:02:20 | -22.4 | Dark | Down | 38.6 | 271.9 | Up | 03:57:06 - 04:07:35 | 4141 |
| Parker | 04:02:22 | -22.6 | Dark | Down | 38.6 | 272.2 | Up | 03:57:07 - 04:07:36 | 4112 |
| Blythe | 04:02:23 | -22.6 | Dark | Down | 38.8 | 272.5 | Up | 03:57:09 - 04:07:38 | 4056 |
| Idyllwild | 04:02:18 | -21.0 | Dark | Down | 40.6 | 271.3 | Up | 03:57:03 - 04:07:32 | 3985 |
| Calipatria | 04:02:23 | -22.2 | Dark | Down | 39.6 | 272.4 | Up | 03:57:08 - 04:07:37 | 3977 |
| Yuma | 04:02:26 | -23.1 | Dark | Down | 38.8 | 273.2 | Up | 03:57:12 - 04:07:41 | 3974 |
| CPSLO | 04:02:02 | -17.4 | AT | Down | 43.9 | 267.5 | Up | 03:56:48 - 04:07:17 | 3971 |
| Wildwood | 04:02:12 | -19.4 | Dark | Down | 42.2 | 269.9 | Up | 03:56:58 - 04:07:27 | 3943 |
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 13WV107, (2017/04/16 03:59UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 15.29 166 Alhena 06:37:42.8 +16:23:57 1.9 8.04 161 7Eta Gem 06:14:52.6 +22:30:24 4.5 0.57 167 PPM 095640 06:14:28.5 +21:46:54 8.4 0.35 167 PPM 095603 06:12:42.2 +21:59:18 10.5 0.19 167 13WV107 06:13:27.9 +22:02:38 16.4 167 Positions are for J2000
Event circumstances last updated at 2017/03/07 17:42:31 UT
Marc W. Buie, Southwest Research Institute