Event between (53311) Deucalion and star UC4-363-069705 with event index number of 114823
Geocentric closest approach at 2018/04/12 06:49:04 UTC
J2000 position of star is 15:06:04.7 -17:26:33
Equinox of date position of star is 15:07:03.2 -17:30:31
Stellar brightness R=15.6,
use SENSEUP=128
Star is 107 degrees from the moon.
Moon is 15% illuminated.
TNO apparent brightness V=22.9
[RECON map]
TNO is 42.8 AU from the Sun
and 41.9 AU from the Earth.
The TNO is moving 21.6
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 378 seconds.
The 1-sigma cross-track error in the shadow position is
5137 km.
The sky-plane scale is
30374.8 km/arcsec.
The TNO has an absolute magnitude Hv=6.6
Diameter=288.4 km assuming a 5% albedo -- 13.3 sec chord
Diameter=117.7 km assuming a 30% albedo -- 5.4 sec chord
Dynamical classification is CLASSICAL
Star training set for 53311, (2018/04/12 06:49UT) Object RA Dec mag sep mel Antares 16:30:31.9 -26:28:16 0.9 21.27 86 27Bet Lib 15:17:59.6 -09:26:57 2.6 8.49 107 21Nu Lib 15:07:39.0 -16:19:36 5.2 1.19 108 PPM 229800 15:09:16.5 -17:09:44 8.3 0.62 107 PPM 229765 15:07:46.1 -17:41:51 9.4 0.24 107 53311 15:07:06.5 -17:30:44 15.6 107 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
2.4 sigma about the mid-time.
The median site spacing is 10.2 km
RECON observability=0.4 and success probability=3.7%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Oroville | 06:52:20 | -30.6 | Dark | Down | 13.7 | 138.5 | Really Low | 06:37:20 - 07:07:20 | -4283 |
Tonasket | 06:52:21 | -30.8 | Dark | Down | 13.9 | 138.5 | Really Low | 06:37:21 - 07:07:21 | -4298 |
Okanogan | 06:52:21 | -31.1 | Dark | Down | 14.0 | 138.3 | Really Low | 06:37:21 - 07:07:21 | -4324 |
Brewster | 06:52:22 | -31.3 | Dark | Down | 14.2 | 138.1 | Really Low | 06:37:22 - 07:07:22 | -4348 |
Manson/Chelan | 06:52:23 | -31.4 | Dark | Down | 14.1 | 137.7 | Really Low | 06:37:23 - 07:07:23 | -4372 |
Entiat | 06:52:23 | -31.6 | Dark | Down | 14.3 | 137.6 | Really Low | 06:37:23 - 07:07:23 | -4389 |
Wenatchee | 06:52:24 | -31.8 | Dark | Down | 14.4 | 137.5 | Really Low | 06:37:24 - 07:07:24 | -4409 |
Niwot | 06:51:53 | -41.2 | Dark | Down | 26.7 | 149.6 | Low | 06:36:53 - 07:06:53 | -4433 |
Ellensburg | 06:52:26 | -32.1 | Dark | Down | 14.6 | 137.2 | Really Low | 06:37:26 - 07:07:26 | -4443 |
Pasco | 06:52:23 | -33.2 | Dark | Down | 15.8 | 138.3 | Really Low | 06:37:23 - 07:07:23 | -4451 |
PNWRO | 06:52:23 | -33.5 | Dark | Down | 16.1 | 138.5 | Really Low | 06:37:23 - 07:07:23 | -4460 |
Yakima | 06:52:27 | -32.5 | Dark | Down | 14.9 | 137.1 | Really Low | 06:37:27 - 07:07:27 | -4471 |
George/Umatilla | 06:52:24 | -33.4 | Dark | Down | 16.0 | 138.1 | Really Low | 06:37:24 - 07:07:24 | -4480 |
Toppenish/White Swan | 06:52:27 | -32.8 | Dark | Down | 15.2 | 137.3 | Really Low | 06:37:27 - 07:07:27 | -4481 |
Goldendale | 06:52:28 | -33.2 | Dark | Down | 15.4 | 136.8 | Really Low | 06:37:28 - 07:07:28 | -4532 |
The Dalles | 06:52:30 | -33.3 | Dark | Down | 15.4 | 136.4 | Really Low | 06:37:30 - 07:07:30 | -4559 |
Maupin | 06:52:30 | -33.7 | Dark | Down | 15.7 | 136.5 | Really Low | 06:37:30 - 07:07:30 | -4584 |
Madras/Culver | 06:52:31 | -34.2 | Dark | Down | 16.1 | 136.3 | Really Low | 06:37:31 - 07:07:31 | -4624 |
Redmond | 06:52:32 | -34.5 | Dark | Down | 16.3 | 136.2 | Really Low | 06:37:32 - 07:07:32 | -4651 |
Sisters | 06:52:33 | -34.4 | Dark | Down | 16.1 | 135.9 | Really Low | 06:37:33 - 07:07:33 | -4662 |
Bend | 06:52:33 | -34.7 | Dark | Down | 16.4 | 136.0 | Really Low | 06:37:33 - 07:07:33 | -4671 |
Oregon Observatory | 06:52:34 | -34.8 | Dark | Down | 16.5 | 135.9 | Really Low | 06:37:34 - 07:07:34 | -4687 |
La Pine/Gilchrist | 06:52:34 | -35.0 | Dark | Down | 16.6 | 135.8 | Really Low | 06:37:34 - 07:07:34 | -4704 |
North Lake | 06:52:34 | -35.6 | Dark | Down | 17.2 | 136.2 | Really Low | 06:37:34 - 07:07:34 | -4716 |
Paisley | 06:52:34 | -36.2 | Dark | Down | 17.8 | 136.4 | Really Low | 06:37:34 - 07:07:34 | -4745 |
Lakeview | 06:52:34 | -36.7 | Dark | Down | 18.3 | 136.5 | Really Low | 06:37:34 - 07:07:34 | -4775 |
Chiloquin | 06:52:36 | -35.9 | Dark | Down | 17.2 | 135.3 | Really Low | 06:37:36 - 07:07:36 | -4796 |
Cedarville | 06:52:34 | -37.3 | Dark | Down | 18.8 | 136.5 | Really Low | 06:37:34 - 07:07:34 | -4818 |
Klamath Falls | 06:52:37 | -36.3 | Dark | Down | 17.5 | 135.3 | Really Low | 06:37:37 - 07:07:37 | -4819 |
Tulelake | 06:52:36 | -36.6 | Dark | Down | 17.8 | 135.5 | Really Low | 06:37:36 - 07:07:36 | -4829 |
Fall River/Burney | 06:52:37 | -37.4 | Dark | Down | 18.5 | 135.3 | Really Low | 06:37:37 - 07:07:37 | -4895 |
Susanville | 06:52:36 | -38.2 | Dark | Down | 19.4 | 135.8 | Really Low | 06:37:36 - 07:07:36 | -4918 |
Gimple | 06:52:37 | -38.4 | Dark | Down | 19.5 | 135.5 | Really Low | 06:37:37 - 07:07:37 | -4946 |
Greenville | 06:52:38 | -38.4 | Dark | Down | 19.4 | 135.5 | Really Low | 06:37:38 - 07:07:38 | -4949 |
Reno | 06:52:36 | -39.3 | Dark | Down | 20.4 | 136.3 | Low | 06:37:36 - 07:07:36 | -4956 |
Portola | 06:52:37 | -38.9 | Dark | Down | 19.9 | 135.8 | Really Low | 06:37:37 - 07:07:37 | -4957 |
Quincy | 06:52:38 | -38.6 | Dark | Down | 19.6 | 135.4 | Really Low | 06:37:38 - 07:07:38 | -4964 |
Yerington | 06:52:35 | -40.0 | Dark | Down | 21.2 | 136.7 | Low | 06:37:35 - 07:07:35 | -4976 |
Tonopah | 06:52:31 | -41.4 | Dark | Down | 22.9 | 138.1 | Low | 06:37:31 - 07:07:31 | -4981 |
Carson City | 06:52:37 | -39.6 | Dark | Down | 20.7 | 136.2 | Low | 06:37:37 - 07:07:37 | -4983 |
Hawthorne | 06:52:34 | -40.6 | Dark | Down | 21.8 | 137.0 | Low | 06:37:34 - 07:07:34 | -4994 |
Gardnerville | 06:52:36 | -39.9 | Dark | Down | 20.9 | 136.2 | Low | 06:37:36 - 07:07:36 | -5000 |
Indian Springs | 06:52:28 | -43.2 | Dark | Down | 24.8 | 139.0 | Low | 06:37:28 - 07:07:28 | -5044 |
Lee Vining | 06:52:36 | -41.0 | Dark | Down | 22.0 | 136.4 | Low | 06:37:36 - 07:07:36 | -5054 |
Beatty | 06:52:31 | -42.6 | Dark | Down | 24.0 | 138.1 | Low | 06:37:31 - 07:07:31 | -5056 |
Henderson | 06:52:27 | -43.9 | Dark | Down | 25.6 | 139.4 | Low | 06:37:27 - 07:07:27 | -5061 |
DCO | 06:52:21 | -45.1 | Dark | Down | 27.2 | 140.7 | Low | 06:37:21 - 07:07:21 | -5070 |
Patrick | 06:52:23 | -44.7 | Dark | Down | 26.6 | 140.2 | Low | 06:37:23 - 07:07:23 | -5071 |
Bishop | 06:52:34 | -41.7 | Dark | Down | 22.8 | 136.9 | Low | 06:37:34 - 07:07:34 | -5076 |
Kingman/Dolan Springs | 06:52:24 | -44.9 | Dark | Down | 26.7 | 140.0 | Low | 06:37:24 - 07:07:24 | -5095 |
Searchlight/Boulder City | 06:52:27 | -44.4 | Dark | Down | 26.1 | 139.3 | Low | 06:37:27 - 07:07:27 | -5104 |
Laughlin/Bullhead City | 06:52:27 | -44.8 | Dark | Down | 26.5 | 139.5 | Low | 06:37:27 - 07:07:27 | -5116 |
Lone Pine | 06:52:35 | -42.5 | Dark | Down | 23.5 | 136.9 | Low | 06:37:35 - 07:07:35 | -5124 |
Mohave Valley | 06:52:27 | -45.0 | Dark | Down | 26.7 | 139.4 | Low | 06:37:27 - 07:07:27 | -5137 |
Lake Havasu City | 06:52:26 | -45.5 | Dark | Down | 27.1 | 139.5 | Low | 06:37:26 - 07:07:26 | -5160 |
Parker | 06:52:27 | -45.8 | Dark | Down | 27.4 | 139.4 | Low | 06:37:27 - 07:07:27 | -5187 |
Blythe | 06:52:27 | -46.3 | Dark | Down | 27.6 | 139.0 | Low | 06:37:27 - 07:07:27 | -5240 |
Idyllwild | 06:52:34 | -45.6 | Dark | Down | 26.4 | 137.2 | Low | 06:37:34 - 07:07:34 | -5306 |
Calipatria | 06:52:30 | -46.5 | Dark | Down | 27.5 | 138.0 | Low | 06:37:30 - 07:07:30 | -5314 |
Yuma | 06:52:27 | -47.1 | Dark | Down | 28.3 | 138.6 | Low | 06:37:27 - 07:07:27 | -5317 |
CPSLO | 06:52:44 | -42.9 | Dark | Down | 23.0 | 134.4 | Low | 06:37:44 - 07:07:44 | -5321 |
Wildwood | 06:52:39 | -44.7 | Dark | Down | 25.1 | 135.7 | Low | 06:37:39 - 07:07:39 | -5346 |
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 53311, (2018/04/12 06:49UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:55 0.9 21.27 86 27Bet Lib 15:17:00.3 -09:22:59 2.6 8.49 107 21Nu Lib 15:06:37.6 -16:15:25 5.2 1.19 108 PPM 229800 15:08:14.8 -17:05:35 8.3 0.62 107 PPM 229765 15:06:44.2 -17:37:40 9.4 0.24 107 53311 15:06:04.7 -17:26:33 15.6 107 Positions are for J2000
Event circumstances last updated at 2017/04/24 16:22:36 UT
Marc W. Buie, Southwest Research Institute