Event between 11HZ102 and star UC4-346-170487 with event index number of 117474
Geocentric closest approach at 2017/07/26 06:53:26 UTC
J2000 position of star is 19:00:11.0 -20:49:38
Equinox of date position of star is 19:01:13.6 -20:48:06
Stellar brightness R=14.6,
use SENSEUP=128
Star is 122 degrees from the moon.
Moon is 11% illuminated.
TNO apparent brightness V=25.6
[RECON map]
TNO is 43.1 AU from the Sun
and 42.2 AU from the Earth.
The TNO is moving 23.1
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 241 seconds.
The 1-sigma cross-track error in the shadow position is
1639 km.
The sky-plane scale is
30589.3 km/arcsec.
The TNO has an absolute magnitude Hv=9.2
Diameter=86.3 km assuming a 5% albedo -- 3.7 sec chord
Diameter=35.2 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CLASSICAL
Star training set for 11HZ102, (2017/07/26 06:53UT) Object RA Dec mag sep mel Antares 16:30:29.2 -26:28:10 0.9 34.86 88 Nunki 18:56:21.2 -26:16:24 2.0 5.58 121 36Xi 1Sgr 18:58:23.1 -20:37:55 5.1 0.69 122 PPM 269140 18:59:13.3 -20:23:57 7.5 0.62 122 PPM 269187 19:01:08.5 -20:46:40 9.3 0.03 122 11HZ102 19:01:13.6 -20:48:06 14.6 122 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
3.7 sigma about the mid-time.
The median site spacing is 11.7 km
RECON observability=1.0 and success probability=14.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Oroville | 06:52:46 | -19.9 | Dark | Down | 20.2 | 182.9 | Low | 06:37:46 - 07:07:46 | -693 |
| Tonasket | 06:52:46 | -20.1 | Dark | Down | 20.4 | 182.9 | Low | 06:37:46 - 07:07:46 | -703 |
| Okanogan | 06:52:47 | -20.4 | Dark | Down | 20.8 | 182.7 | Low | 06:37:47 - 07:07:47 | -714 |
| Brewster | 06:52:47 | -20.6 | Dark | Down | 21.0 | 182.5 | Low | 06:37:47 - 07:07:47 | -723 |
| Manson/Chelan | 06:52:48 | -20.7 | Dark | Down | 21.3 | 182.2 | Low | 06:37:48 - 07:07:48 | -728 |
| Entiat | 06:52:49 | -20.9 | Dark | Down | 21.5 | 182.1 | Low | 06:37:49 - 07:07:49 | -736 |
| Wenatchee | 06:52:49 | -21.1 | Dark | Down | 21.7 | 182.0 | Low | 06:37:49 - 07:07:49 | -745 |
| Ellensburg | 06:52:50 | -21.5 | Dark | Down | 22.2 | 181.8 | Low | 06:37:50 - 07:07:50 | -760 |
| Yakima | 06:52:50 | -21.8 | Dark | Down | 22.6 | 181.8 | Low | 06:37:50 - 07:07:50 | -777 |
| Toppenish/White Swan | 06:52:49 | -22.1 | Dark | Down | 22.8 | 182.0 | Low | 06:37:49 - 07:07:49 | -788 |
| Pasco | 06:52:45 | -22.5 | Dark | Down | 22.9 | 183.2 | Low | 06:37:45 - 07:07:45 | -808 |
| Goldendale | 06:52:51 | -22.5 | Dark | Down | 23.3 | 181.5 | Low | 06:37:51 - 07:07:51 | -808 |
| The Dalles | 06:52:52 | -22.6 | Dark | Down | 23.6 | 181.2 | Low | 06:37:52 - 07:07:52 | -814 |
| George/Umatilla | 06:52:46 | -22.7 | Dark | Down | 23.2 | 183.0 | Low | 06:37:46 - 07:07:46 | -820 |
| PNWRO | 06:52:44 | -22.8 | Dark | Down | 23.1 | 183.5 | Low | 06:37:44 - 07:07:44 | -821 |
| Maupin | 06:52:52 | -23.1 | Dark | Down | 24.0 | 181.3 | Low | 06:37:52 - 07:07:52 | -834 |
| Madras/Culver | 06:52:52 | -23.6 | Dark | Down | 24.5 | 181.2 | Low | 06:37:52 - 07:07:52 | -858 |
| Sisters | 06:52:54 | -23.8 | Dark | Down | 24.9 | 180.8 | Low | 06:37:54 - 07:07:54 | -869 |
| Redmond | 06:52:52 | -23.9 | Dark | Down | 24.9 | 181.2 | Low | 06:37:52 - 07:07:52 | -874 |
| Bend | 06:52:53 | -24.0 | Dark | Down | 25.1 | 181.1 | Low | 06:37:53 - 07:07:53 | -883 |
| Oregon Observatory | 06:52:53 | -24.2 | Dark | Down | 25.3 | 180.9 | Low | 06:37:53 - 07:07:53 | -889 |
| La Pine/Gilchrist | 06:52:53 | -24.4 | Dark | Down | 25.5 | 180.9 | Low | 06:37:53 - 07:07:53 | -898 |
| North Lake | 06:52:51 | -24.9 | Dark | Down | 25.9 | 181.5 | Low | 06:37:51 - 07:07:51 | -926 |
| Chiloquin | 06:52:55 | -25.3 | Dark | Down | 26.6 | 180.5 | Low | 06:37:55 - 07:07:55 | -949 |
| Paisley | 06:52:50 | -25.5 | Dark | Down | 26.5 | 181.9 | Low | 06:37:50 - 07:07:50 | -956 |
| Klamath Falls | 06:52:55 | -25.6 | Dark | Down | 26.9 | 180.6 | Low | 06:37:55 - 07:07:55 | -967 |
| Tulelake | 06:52:54 | -26.0 | Dark | Down | 27.2 | 180.9 | Low | 06:37:54 - 07:07:54 | -983 |
| Lakeview | 06:52:50 | -26.0 | Dark | Down | 27.0 | 182.1 | Low | 06:37:50 - 07:07:50 | -984 |
| Cedarville | 06:52:49 | -26.7 | Dark | Down | 27.6 | 182.3 | Low | 06:37:49 - 07:07:49 | -1019 |
| Fall River/Burney | 06:52:54 | -26.8 | Dark | Down | 28.1 | 181.0 | Low | 06:37:54 - 07:07:54 | -1031 |
| Susanville | 06:52:51 | -27.6 | Dark | Down | 28.7 | 181.8 | Low | 06:37:51 - 07:07:51 | -1072 |
| Greenville | 06:52:52 | -27.8 | Dark | Down | 29.0 | 181.5 | Low | 06:37:52 - 07:07:52 | -1084 |
| Gimple | 06:52:52 | -27.8 | Dark | Down | 29.0 | 181.6 | Low | 06:37:52 - 07:07:52 | -1085 |
| Quincy | 06:52:52 | -28.0 | Dark | Down | 29.2 | 181.5 | Low | 06:37:52 - 07:07:52 | -1095 |
| Portola | 06:52:51 | -28.2 | Dark | Down | 29.3 | 182.0 | Low | 06:37:51 - 07:07:51 | -1107 |
| Reno | 06:52:48 | -28.7 | Dark | Down | 29.6 | 182.7 | Low | 06:37:48 - 07:07:48 | -1129 |
| Carson City | 06:52:48 | -29.0 | Dark | Down | 29.9 | 182.7 | Low | 06:37:48 - 07:07:48 | -1149 |
| Gardnerville | 06:52:48 | -29.3 | Dark | Down | 30.2 | 182.8 | Up | 06:37:48 - 07:07:48 | -1163 |
| Yerington | 06:52:46 | -29.4 | Dark | Down | 30.1 | 183.4 | Up | 06:37:46 - 07:07:46 | -1168 |
| Hawthorne | 06:52:44 | -29.9 | Dark | Down | 30.5 | 184.0 | Up | 06:37:44 - 07:07:44 | -1201 |
| Lee Vining | 06:52:46 | -30.3 | Dark | Down | 31.1 | 183.5 | Up | 06:37:46 - 07:07:46 | -1226 |
| Tonopah | 06:52:39 | -30.7 | Dark | Down | 30.9 | 185.5 | Up | 06:37:39 - 07:07:39 | -1245 |
| Bishop | 06:52:43 | -31.1 | Dark | Down | 31.7 | 184.3 | Up | 06:37:43 - 07:07:43 | -1271 |
| Beatty | 06:52:37 | -31.9 | Dark | Down | 32.0 | 186.1 | Up | 06:37:37 - 07:07:37 | -1320 |
| Lone Pine | 06:52:42 | -31.9 | Dark | Down | 32.4 | 184.7 | Up | 06:37:42 - 07:07:42 | -1321 |
| Niwot | 06:51:57 | -30.4 | Dark | Down | 27.1 | 197.8 | Low | 06:36:57 - 07:06:57 | -1321 |
| Indian Springs | 06:52:33 | -32.5 | Dark | Down | 32.3 | 187.3 | Up | 06:37:33 - 07:07:33 | -1355 |
| CPSLO | 06:52:52 | -32.4 | Dark | Down | 33.8 | 181.9 | Up | 06:37:52 - 07:07:52 | -1367 |
| Henderson | 06:52:30 | -33.1 | Dark | Down | 32.7 | 188.1 | Up | 06:37:30 - 07:07:30 | -1398 |
| Searchlight/Boulder City | 06:52:30 | -33.7 | Dark | Down | 33.3 | 188.2 | Up | 06:37:30 - 07:07:30 | -1434 |
| Patrick | 06:52:26 | -34.0 | Dark | Down | 33.2 | 189.4 | Up | 06:37:26 - 07:07:26 | -1454 |
| Laughlin/Bullhead City | 06:52:29 | -34.1 | Dark | Down | 33.5 | 188.6 | Up | 06:37:29 - 07:07:29 | -1459 |
| Kingman/Dolan Springs | 06:52:27 | -34.1 | Dark | Down | 33.4 | 189.2 | Up | 06:37:27 - 07:07:27 | -1465 |
| Wildwood | 06:52:44 | -34.1 | Dark | Down | 35.0 | 184.2 | Up | 06:37:44 - 07:07:44 | -1469 |
| Mohave Valley | 06:52:29 | -34.3 | Dark | Down | 33.8 | 188.6 | Up | 06:37:29 - 07:07:29 | -1476 |
| DCO | 06:52:23 | -34.4 | Dark | Down | 33.4 | 190.2 | Up | 06:37:23 - 07:07:23 | -1484 |
| Lake Havasu City | 06:52:27 | -34.8 | Dark | Down | 34.2 | 188.9 | Up | 06:37:27 - 07:07:27 | -1506 |
| Idyllwild | 06:52:37 | -35.0 | Dark | Down | 35.2 | 186.4 | Up | 06:37:37 - 07:07:37 | -1518 |
| Parker | 06:52:27 | -35.1 | Dark | Down | 34.5 | 189.0 | Up | 06:37:27 - 07:07:27 | -1529 |
| Blythe | 06:52:29 | -35.6 | Dark | Down | 35.1 | 188.7 | Up | 06:37:29 - 07:07:29 | -1558 |
| Calipatria | 06:52:32 | -35.8 | Dark | Down | 35.7 | 187.7 | Up | 06:37:32 - 07:07:32 | -1576 |
| Yuma | 06:52:29 | -36.4 | Dark | Down | 36.0 | 188.8 | Up | 06:37:29 - 07:07:29 | -1619 |
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 11HZ102, (2017/07/26 06:53UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 34.86 88 Nunki 18:55:15.9 -26:17:49 2.0 5.58 121 36Xi 1Sgr 18:57:20.5 -20:39:23 5.1 0.69 122 PPM 269140 18:58:10.8 -20:25:26 7.5 0.62 122 PPM 269187 19:00:05.9 -20:48:12 9.3 0.03 122 11HZ102 19:00:11.0 -20:49:38 14.6 122 Positions are for J2000
Event circumstances last updated at 2017/07/25 16:12:40 UT
Marc W. Buie, Southwest Research Institute