Event between (316179) 10EN65 and star UC4-375-062607 with event index number of 65049
Geocentric closest approach at 2017/03/26 07:26:53 UTC
J2000 position of star is 11:36:20.0 -15:11:14
Equinox of date position of star is 11:37:11.0 -15:16:48
Stellar brightness R=14.2
Star is 155 degrees from the moon.
Moon is 4% illuminated.
TNO apparent brightness V=21.1
[RECON map]
TNO is 26.2 AU from the Sun
and 25.3 AU from the Earth.
The TNO is moving 24.0
km/sec on the sky relative to the star, or,
4.7 arcsec/hr.
The 1-sigma error in the time of the event is 77 seconds.
The 1-sigma cross-track error in the shadow position is
1210 km.
The sky-plane scale is
18319.5 km/arcsec.
The TNO has an absolute magnitude Hv=6.9
Diameter=251.2 km assuming a 5% albedo -- 9.6 sec chord
Diameter=102.6 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is CENTAURR
Star training set for 316179, (2017/03/26 07:27UT) Object RA Dec mag sep mel Spica 13:26:06.2 -11:15:03 1.0 26.78 138 4Gam Crv 12:16:41.7 -17:38:15 2.6 9.75 148 PPM 224734 11:40:43.6 -14:33:51 6.5 1.11 155 PPM 224597 11:34:56.0 -16:08:29 7.1 1.02 154 PPM 224643 11:36:49.7 -15:24:12 9.1 0.15 155 316179 11:37:12.4 -15:16:57 14.2 155 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
5.0 sigma about the mid-time.
The median site spacing is 10.4 km
RECON observability=1.0 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) |
| Niwot | 07:27:42 | -47.3 | Dark | Down | 32.6 | 199.1 | Up | 07:20:49 - 07:34:35 | 8761 |
| Oroville | 07:28:38 | -38.2 | Dark | Down | 25.8 | 182.8 | Low | 07:21:45 - 07:35:31 | 8661 |
| Tonasket | 07:28:37 | -38.4 | Dark | Down | 26.1 | 182.8 | Low | 07:21:44 - 07:35:30 | 8652 |
| Okanogan | 07:28:37 | -38.7 | Dark | Down | 26.4 | 182.6 | Low | 07:21:44 - 07:35:30 | 8633 |
| Brewster | 07:28:36 | -39.0 | Dark | Down | 26.7 | 182.4 | Low | 07:21:43 - 07:35:29 | 8614 |
| Manson/Chelan | 07:28:39 | -39.1 | Dark | Down | 26.9 | 182.0 | Low | 07:21:46 - 07:35:32 | 8593 |
| Entiat | 07:28:38 | -39.3 | Dark | Down | 27.1 | 181.9 | Low | 07:21:45 - 07:35:31 | 8581 |
| Wenatchee | 07:28:38 | -39.6 | Dark | Down | 27.4 | 181.8 | Low | 07:21:45 - 07:35:31 | 8566 |
| Pasco | 07:28:33 | -40.9 | Dark | Down | 28.5 | 183.2 | Low | 07:21:40 - 07:35:26 | 8557 |
| PNWRO | 07:28:31 | -41.1 | Dark | Down | 28.7 | 183.4 | Low | 07:21:38 - 07:35:24 | 8554 |
| Ellensburg | 07:28:39 | -39.9 | Dark | Down | 27.8 | 181.6 | Low | 07:21:46 - 07:35:32 | 8540 |
| George/Umatilla | 07:28:32 | -41.2 | Dark | Down | 28.8 | 182.9 | Low | 07:21:39 - 07:35:25 | 8534 |
| Yakima | 07:28:38 | -40.3 | Dark | Down | 28.2 | 181.6 | Low | 07:21:45 - 07:35:31 | 8521 |
| Toppenish/White Swan | 07:28:38 | -40.6 | Dark | Down | 28.4 | 181.8 | Low | 07:21:45 - 07:35:31 | 8517 |
| Goldendale | 07:28:37 | -41.0 | Dark | Down | 29.0 | 181.3 | Low | 07:21:44 - 07:35:30 | 8477 |
| The Dalles | 07:28:38 | -41.2 | Dark | Down | 29.2 | 180.9 | Low | 07:21:45 - 07:35:31 | 8453 |
| Maupin | 07:28:37 | -41.6 | Dark | Down | 29.6 | 181.0 | Low | 07:21:44 - 07:35:30 | 8437 |
| Madras/Culver | 07:28:36 | -42.1 | Dark | Down | 30.2 | 181.0 | Up | 07:21:43 - 07:35:29 | 8409 |
| Redmond | 07:28:36 | -42.5 | Dark | Down | 30.5 | 180.9 | Up | 07:21:43 - 07:35:29 | 8390 |
| Sisters | 07:28:38 | -42.4 | Dark | Down | 30.5 | 180.5 | Up | 07:21:45 - 07:35:31 | 8376 |
| Bend | 07:28:36 | -42.7 | Dark | Down | 30.8 | 180.8 | Up | 07:21:43 - 07:35:29 | 8374 |
| Oregon Observatory | 07:28:38 | -42.8 | Dark | Down | 30.9 | 180.6 | Up | 07:21:45 - 07:35:31 | 8361 |
| North Lake | 07:28:35 | -43.5 | Dark | Down | 31.6 | 181.2 | Up | 07:21:42 - 07:35:28 | 8349 |
| La Pine/Gilchrist | 07:28:37 | -43.0 | Dark | Down | 31.1 | 180.6 | Up | 07:21:44 - 07:35:30 | 8348 |
| Paisley | 07:28:33 | -44.1 | Dark | Down | 32.1 | 181.7 | Up | 07:21:40 - 07:35:26 | 8335 |
| Lakeview | 07:28:31 | -44.7 | Dark | Down | 32.6 | 181.9 | Up | 07:21:38 - 07:35:24 | 8317 |
| Cedarville | 07:28:29 | -45.3 | Dark | Down | 33.3 | 182.1 | Up | 07:21:36 - 07:35:22 | 8289 |
| Chiloquin | 07:28:37 | -44.0 | Dark | Down | 32.2 | 180.2 | Up | 07:21:44 - 07:35:30 | 8278 |
| Klamath Falls | 07:28:35 | -44.4 | Dark | Down | 32.6 | 180.3 | Up | 07:21:42 - 07:35:28 | 8263 |
| Tulelake | 07:28:34 | -44.7 | Dark | Down | 32.9 | 180.6 | Up | 07:21:41 - 07:35:27 | 8261 |
| Tonopah | 07:28:16 | -49.2 | Dark | Down | 36.6 | 185.7 | Up | 07:21:23 - 07:35:09 | 8217 |
| Fall River/Burney | 07:28:34 | -45.6 | Dark | Down | 33.8 | 180.7 | Up | 07:21:41 - 07:35:27 | 8215 |
| Susanville | 07:28:30 | -46.3 | Dark | Down | 34.4 | 181.5 | Up | 07:21:37 - 07:35:23 | 8211 |
| DCO | 07:27:57 | -52.5 | Dark | Down | 39.0 | 190.8 | Up | 07:21:04 - 07:34:50 | 8209 |
| Patrick | 07:28:00 | -52.1 | Dark | Down | 38.8 | 189.9 | Up | 07:21:07 - 07:34:53 | 8199 |
| Reno | 07:28:26 | -47.3 | Dark | Down | 35.2 | 182.5 | Up | 07:21:33 - 07:35:19 | 8196 |
| Indian Springs | 07:28:09 | -50.8 | Dark | Down | 37.9 | 187.6 | Up | 07:21:16 - 07:35:02 | 8194 |
| Yerington | 07:28:24 | -48.0 | Dark | Down | 35.8 | 183.3 | Up | 07:21:31 - 07:35:17 | 8192 |
| Henderson | 07:28:05 | -51.4 | Dark | Down | 38.4 | 188.5 | Up | 07:21:12 - 07:34:58 | 8190 |
| Hawthorne | 07:28:20 | -48.5 | Dark | Down | 36.2 | 184.0 | Up | 07:21:27 - 07:35:13 | 8187 |
| Portola | 07:28:30 | -46.9 | Dark | Down | 35.0 | 181.8 | Up | 07:21:37 - 07:35:23 | 8185 |
| Greenville | 07:28:31 | -46.5 | Dark | Down | 34.7 | 181.2 | Up | 07:21:38 - 07:35:24 | 8184 |
| Kingman/Dolan Springs | 07:28:02 | -52.4 | Dark | Down | 39.1 | 189.7 | Up | 07:21:09 - 07:34:55 | 8178 |
| Carson City | 07:28:26 | -47.7 | Dark | Down | 35.6 | 182.6 | Up | 07:21:33 - 07:35:19 | 8177 |
| Quincy | 07:28:31 | -46.7 | Dark | Down | 34.9 | 181.2 | Up | 07:21:38 - 07:35:24 | 8173 |
| Beatty | 07:28:12 | -50.4 | Dark | Down | 37.7 | 186.3 | Up | 07:21:19 - 07:35:05 | 8169 |
| Gardnerville | 07:28:25 | -47.9 | Dark | Down | 35.8 | 182.6 | Up | 07:21:32 - 07:35:18 | 8165 |
| Searchlight/Boulder City | 07:28:03 | -52.0 | Dark | Down | 38.9 | 188.6 | Up | 07:21:10 - 07:34:56 | 8160 |
| Laughlin/Bullhead City | 07:28:03 | -52.3 | Dark | Down | 39.2 | 189.1 | Up | 07:21:10 - 07:34:56 | 8156 |
| Mohave Valley | 07:28:02 | -52.6 | Dark | Down | 39.4 | 189.1 | Up | 07:21:09 - 07:34:55 | 8140 |
| Lee Vining | 07:28:21 | -49.0 | Dark | Down | 36.8 | 183.4 | Up | 07:21:28 - 07:35:14 | 8136 |
| Bishop | 07:28:19 | -49.7 | Dark | Down | 37.3 | 184.3 | Up | 07:21:26 - 07:35:12 | 8130 |
| Lake Havasu City | 07:28:00 | -53.0 | Dark | Down | 39.8 | 189.5 | Up | 07:21:07 - 07:34:53 | 8126 |
| Parker | 07:27:59 | -53.4 | Dark | Down | 40.1 | 189.6 | Up | 07:21:06 - 07:34:52 | 8106 |
| Lone Pine | 07:28:17 | -50.5 | Dark | Down | 38.1 | 184.7 | Up | 07:21:24 - 07:35:10 | 8100 |
| Blythe | 07:28:00 | -53.9 | Dark | Down | 40.7 | 189.3 | Up | 07:21:07 - 07:34:53 | 8063 |
| Yuma | 07:27:58 | -54.8 | Dark | Down | 41.6 | 189.3 | Up | 07:21:05 - 07:34:51 | 8004 |
| Calipatria | 07:28:02 | -54.3 | Dark | Down | 41.3 | 188.2 | Up | 07:21:09 - 07:34:55 | 7994 |
| Idyllwild | 07:28:07 | -53.5 | Dark | Down | 40.8 | 186.6 | Up | 07:21:14 - 07:35:00 | 7984 |
| Wildwood | 07:28:14 | -52.8 | Dark | Down | 40.6 | 184.2 | Up | 07:21:21 - 07:35:07 | 7926 |
| CPSLO | 07:28:22 | -51.2 | Dark | Down | 39.5 | 181.6 | Up | 07:21:29 - 07:35:15 | 7913 |
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 316179, (2017/03/26 07:27UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 26.78 138 4Gam Crv 12:15:48.2 -17:32:31 2.6 9.75 148 PPM 224734 11:39:51.1 -14:28:07 6.5 1.11 155 PPM 224597 11:34:03.8 -16:02:46 7.1 1.02 154 PPM 224643 11:35:57.4 -15:18:28 9.1 0.15 155 316179 11:36:20.0 -15:11:14 14.2 155 Positions are for J2000
Event circumstances last updated at 2016/10/07 18:05:57 UT
Marc W. Buie, Southwest Research Institute