Event between 00FX53 and star UC4-409-056573 with event index number of 107553
Geocentric closest approach at 2018/03/27 09:58:44 UTC
J2000 position of star is 13:46:56.6 -08:18:46
Equinox of date position of star is 13:47:53.3 -08:24:06
Stellar brightness R=15.8,
use SENSEUP=128
Star is 75 degrees from the moon.
Moon is 80% illuminated.
TNO apparent brightness V=23.8
[RECON map]
TNO is 37.9 AU from the Sun
and 37.0 AU from the Earth.
The TNO is moving 22.5
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 235 seconds.
The 1-sigma cross-track error in the shadow position is
3699 km.
The sky-plane scale is
26803.3 km/arcsec.
The TNO has an absolute magnitude Hv=8.0
Diameter=149.3 km assuming a 5% albedo -- 6.6 sec chord
Diameter=60.9 km assuming a 30% albedo -- 2.7 sec chord
Dynamical classification is SCATNEAR
Star training set for 00FX53, (2018/03/27 09:59UT) Object RA Dec mag sep mel Spica 13:26:09.4 -11:15:21 1.0 6.07 71 82 Vir 13:42:34.4 -08:47:40 5.0 1.37 74 PPM 196892 13:48:59.5 -08:06:57 8.0 0.39 75 PPM 196869 13:47:19.5 -08:31:45 8.8 0.19 75 00FX53 13:47:54.3 -08:24:12 15.8 75 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
3.8 sigma about the mid-time.
The median site spacing is 11.2 km
RECON observability=1.0 and success probability=5.8%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Oroville | 09:59:52 | -32.6 | Dark | Up | 32.3 | 190.1 | Up | 09:44:52 - 10:14:52 | 3358 |
| Tonasket | 09:59:51 | -32.7 | Dark | Up | 32.5 | 190.1 | Up | 09:44:51 - 10:14:51 | 3346 |
| Okanogan | 09:59:50 | -33.1 | Dark | Up | 32.8 | 189.9 | Up | 09:44:50 - 10:14:50 | 3325 |
| Brewster | 09:59:51 | -33.4 | Dark | Up | 33.1 | 189.7 | Up | 09:44:51 - 10:14:51 | 3305 |
| Manson/Chelan | 09:59:52 | -33.7 | Dark | Up | 33.4 | 189.3 | Up | 09:44:52 - 10:14:52 | 3284 |
| Entiat | 09:59:52 | -33.9 | Dark | Up | 33.6 | 189.3 | Up | 09:44:52 - 10:14:52 | 3271 |
| Niwot | 09:58:49 | -31.8 | Dark | Up | 37.3 | 208.5 | Up | 09:43:49 - 10:13:49 | 3258 |
| Wenatchee | 09:59:52 | -34.1 | Dark | Up | 33.9 | 189.2 | Up | 09:44:52 - 10:14:52 | 3254 |
| Ellensburg | 09:59:52 | -34.6 | Dark | Up | 34.3 | 189.0 | Up | 09:44:52 - 10:14:52 | 3226 |
| Pasco | 09:59:46 | -34.6 | Dark | Up | 34.9 | 190.7 | Up | 09:44:46 - 10:14:46 | 3225 |
| PNWRO | 09:59:45 | -34.7 | Dark | Up | 35.1 | 191.0 | Up | 09:44:45 - 10:14:45 | 3217 |
| Yakima | 09:59:51 | -34.9 | Dark | Up | 34.7 | 189.0 | Up | 09:44:51 - 10:14:51 | 3203 |
| George/Umatilla | 09:59:47 | -35.0 | Dark | Up | 35.2 | 190.5 | Up | 09:44:47 - 10:14:47 | 3200 |
| Toppenish/White Swan | 09:59:50 | -35.0 | Dark | Up | 34.9 | 189.2 | Up | 09:44:50 - 10:14:50 | 3196 |
| Goldendale | 09:59:50 | -35.6 | Dark | Up | 35.5 | 188.8 | Up | 09:44:50 - 10:14:50 | 3153 |
| The Dalles | 09:59:51 | -36.0 | Dark | Up | 35.7 | 188.3 | Up | 09:44:51 - 10:14:51 | 3130 |
| Maupin | 09:59:50 | -36.3 | Dark | Up | 36.1 | 188.5 | Up | 09:44:50 - 10:14:50 | 3109 |
| Madras/Culver | 09:59:51 | -36.7 | Dark | Up | 36.7 | 188.5 | Up | 09:44:51 - 10:14:51 | 3076 |
| Redmond | 09:59:50 | -37.0 | Dark | Up | 37.1 | 188.5 | Up | 09:44:50 - 10:14:50 | 3054 |
| Sisters | 09:59:51 | -37.2 | Dark | Up | 37.1 | 188.0 | Up | 09:44:51 - 10:14:51 | 3043 |
| Bend | 09:59:50 | -37.3 | Dark | Up | 37.3 | 188.3 | Up | 09:44:50 - 10:14:50 | 3037 |
| Oregon Observatory | 09:59:51 | -37.5 | Dark | Up | 37.5 | 188.2 | Up | 09:44:51 - 10:14:51 | 3023 |
| La Pine/Gilchrist | 09:59:50 | -37.7 | Dark | Up | 37.7 | 188.1 | Up | 09:44:50 - 10:14:50 | 3009 |
| North Lake | 09:59:47 | -37.8 | Dark | Up | 38.0 | 188.9 | Up | 09:44:47 - 10:14:47 | 3000 |
| Paisley | 09:59:45 | -38.1 | Dark | Up | 38.5 | 189.4 | Up | 09:44:45 - 10:14:45 | 2978 |
| Lakeview | 09:59:43 | -38.4 | Dark | Up | 39.0 | 189.7 | Up | 09:44:43 - 10:14:43 | 2953 |
| Chiloquin | 09:59:49 | -38.7 | Dark | Up | 38.8 | 187.8 | Up | 09:44:49 - 10:14:49 | 2930 |
| Cedarville | 09:59:42 | -38.8 | Dark | Up | 39.6 | 190.1 | Up | 09:44:42 - 10:14:42 | 2917 |
| Klamath Falls | 09:59:48 | -39.0 | Dark | Up | 39.1 | 187.9 | Up | 09:44:48 - 10:14:48 | 2912 |
| Tulelake | 09:59:47 | -39.1 | Dark | Up | 39.4 | 188.4 | Up | 09:44:47 - 10:14:47 | 2904 |
| Fall River/Burney | 09:59:46 | -39.8 | Dark | Up | 40.3 | 188.6 | Up | 09:44:46 - 10:14:46 | 2849 |
| Susanville | 09:59:42 | -39.9 | Dark | Up | 40.8 | 189.6 | Up | 09:44:42 - 10:14:42 | 2832 |
| Gimple | 09:59:42 | -40.3 | Dark | Up | 41.1 | 189.4 | Up | 09:44:42 - 10:14:42 | 2807 |
| Greenville | 09:59:43 | -40.3 | Dark | Up | 41.1 | 189.3 | Up | 09:44:43 - 10:14:43 | 2805 |
| Reno | 09:59:38 | -40.2 | Dark | Up | 41.6 | 190.8 | Up | 09:44:38 - 10:14:38 | 2802 |
| Portola | 09:59:41 | -40.3 | Dark | Up | 41.4 | 189.9 | Up | 09:44:41 - 10:14:41 | 2799 |
| Quincy | 09:59:42 | -40.5 | Dark | Up | 41.3 | 189.3 | Up | 09:44:42 - 10:14:42 | 2792 |
| Yerington | 09:59:35 | -40.3 | Dark | Up | 42.0 | 191.7 | Up | 09:44:35 - 10:14:35 | 2786 |
| Tonopah | 09:59:26 | -40.1 | Dark | Up | 42.6 | 194.4 | Up | 09:44:26 - 10:14:26 | 2785 |
| Carson City | 09:59:37 | -40.5 | Dark | Up | 41.9 | 190.9 | Up | 09:44:37 - 10:14:37 | 2779 |
| Hawthorne | 09:59:32 | -40.4 | Dark | Up | 42.4 | 192.5 | Up | 09:44:32 - 10:14:32 | 2772 |
| Gardnerville | 09:59:36 | -40.7 | Dark | Up | 42.1 | 191.0 | Up | 09:44:36 - 10:14:36 | 2764 |
| Indian Springs | 09:59:18 | -40.3 | Dark | Up | 43.7 | 196.8 | Up | 09:44:18 - 10:14:18 | 2734 |
| Beatty | 09:59:22 | -40.7 | Dark | Up | 43.6 | 195.3 | Up | 09:44:22 - 10:14:22 | 2723 |
| Henderson | 09:59:14 | -40.3 | Dark | Up | 44.0 | 197.9 | Up | 09:44:14 - 10:14:14 | 2720 |
| Lee Vining | 09:59:33 | -41.1 | Dark | Up | 43.0 | 192.0 | Up | 09:44:33 - 10:14:33 | 2719 |
| DCO | 09:59:07 | -39.8 | Dark | Up | 44.4 | 200.6 | Up | 09:44:07 - 10:14:07 | 2713 |
| Patrick | 09:59:09 | -40.1 | Dark | Up | 44.3 | 199.5 | Up | 09:44:09 - 10:14:09 | 2712 |
| Bishop | 09:59:29 | -41.2 | Dark | Up | 43.5 | 193.0 | Up | 09:44:29 - 10:14:29 | 2702 |
| Kingman/Dolan Springs | 09:59:09 | -40.3 | Dark | Up | 44.6 | 199.3 | Up | 09:44:09 - 10:14:09 | 2691 |
| Searchlight/Boulder City | 09:59:13 | -40.6 | Dark | Up | 44.6 | 198.1 | Up | 09:44:13 - 10:14:13 | 2683 |
| Laughlin/Bullhead City | 09:59:11 | -40.6 | Dark | Up | 44.7 | 198.7 | Up | 09:44:11 - 10:14:11 | 2673 |
| Lone Pine | 09:59:27 | -41.6 | Dark | Up | 44.1 | 193.7 | Up | 09:44:27 - 10:14:27 | 2661 |
| Mohave Valley | 09:59:10 | -40.8 | Dark | Up | 45.0 | 198.8 | Up | 09:44:10 - 10:14:10 | 2655 |
| Lake Havasu City | 09:59:09 | -40.9 | Dark | Up | 45.3 | 199.2 | Up | 09:44:09 - 10:14:09 | 2634 |
| Parker | 09:59:08 | -41.2 | Dark | Up | 45.6 | 199.4 | Up | 09:44:08 - 10:14:08 | 2611 |
| Blythe | 09:59:08 | -41.7 | Dark | Up | 46.2 | 199.1 | Up | 09:44:08 - 10:14:08 | 2564 |
| Idyllwild | 09:59:16 | -42.9 | Dark | Up | 46.6 | 196.2 | Up | 09:44:16 - 10:14:16 | 2504 |
| Calipatria | 09:59:11 | -42.6 | Dark | Up | 46.9 | 198.0 | Up | 09:44:11 - 10:14:11 | 2499 |
| Yuma | 09:59:07 | -42.3 | Dark | Up | 47.1 | 199.4 | Up | 09:44:07 - 10:14:07 | 2497 |
| CPSLO | 09:59:33 | -43.9 | Dark | Up | 45.8 | 190.4 | Up | 09:44:33 - 10:14:33 | 2486 |
| Wildwood | 09:59:24 | -43.7 | Dark | Up | 46.7 | 193.5 | Up | 09:44:24 - 10:14:24 | 2468 |
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 00FX53, (2018/03/27 09:59UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 6.07 71 82 Vir 13:41:36.7 -08:42:10 5.0 1.37 74 PPM 196892 13:48:01.8 -08:01:32 8.0 0.39 75 PPM 196869 13:46:21.8 -08:26:19 8.8 0.19 75 00FX53 13:46:56.6 -08:18:46 15.8 75 Positions are for J2000
Event circumstances last updated at 2017/12/02 17:23:45 UT
Marc W. Buie, Southwest Research Institute