Event between 16AE193 and star UC4-529-046762 with event index number of 111321
Geocentric closest approach at 2018/02/12 07:53:29 UTC
J2000 position of star is 08:34:28.9 +15:40:37
Equinox of date position of star is 08:35:29.8 +15:36:50
Stellar brightness R=13.6,
use SENSEUP=64
Star is 158 degrees from the moon.
Moon is 11% illuminated.
TNO apparent brightness V=20.6
[RECON map]
TNO is 17.0 AU from the Sun
and 16.1 AU from the Earth.
The TNO is moving 20.6
km/sec on the sky relative to the star, or,
6.4 arcsec/hr.
The 1-sigma error in the time of the event is 52 seconds.
The 1-sigma cross-track error in the shadow position is
727 km.
The sky-plane scale is
11643.9 km/arcsec.
The TNO has an absolute magnitude Hv=8.3
Diameter=144.5 km assuming a 5% albedo -- 6.5 sec chord
Diameter=59.0 km assuming a 30% albedo -- 2.7 sec chord
Dynamical classification is CENTAURR
Star training set for 16AE193, (2018/02/12 07:53UT) Object RA Dec mag sep mel Pollux 07:46:25.3 +27:58:52 1.1 16.79 167 PPM 125463 08:37:08.5 +15:14:59 6.5 0.54 157 PPM 125439 08:36:18.5 +15:40:00 8.5 0.20 157 PPM 125416 08:35:04.5 +15:35:39 11.6 0.10 158 16AE193 08:35:29.9 +15:36:49 13.6 157 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 20.8 km
RECON observability=1.0 and success probability=4.7%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Oroville | 07:53:20 | -54.5 | Dark | Down | 55.2 | 201.6 | Up | 07:48:31 - 07:58:08 | 3137 |
| Tonasket | 07:53:19 | -54.8 | Dark | Down | 55.4 | 201.7 | Up | 07:48:31 - 07:58:08 | 3116 |
| Okanogan | 07:53:19 | -55.1 | Dark | Down | 55.8 | 201.6 | Up | 07:48:31 - 07:58:08 | 3084 |
| Brewster | 07:53:19 | -55.3 | Dark | Down | 56.1 | 201.4 | Up | 07:48:31 - 07:58:08 | 3057 |
| Manson/Chelan | 07:53:20 | -55.5 | Dark | Down | 56.3 | 200.9 | Up | 07:48:32 - 07:58:09 | 3031 |
| Entiat | 07:53:20 | -55.7 | Dark | Down | 56.6 | 200.9 | Up | 07:48:32 - 07:58:09 | 3011 |
| Wenatchee | 07:53:20 | -55.9 | Dark | Down | 56.8 | 200.9 | Up | 07:48:31 - 07:58:08 | 2986 |
| Ellensburg | 07:53:20 | -56.3 | Dark | Down | 57.3 | 200.8 | Up | 07:48:32 - 07:58:09 | 2945 |
| Yakima | 07:53:19 | -56.7 | Dark | Down | 57.6 | 201.0 | Up | 07:48:31 - 07:58:08 | 2908 |
| Pasco | 07:53:14 | -57.2 | Dark | Down | 57.6 | 203.6 | Up | 07:48:25 - 07:58:02 | 2905 |
| Toppenish/White Swan | 07:53:19 | -57.0 | Dark | Down | 57.8 | 201.4 | Up | 07:48:30 - 07:58:07 | 2892 |
| PNWRO | 07:53:13 | -57.5 | Dark | Down | 57.7 | 204.2 | Up | 07:48:24 - 07:58:01 | 2887 |
| George/Umatilla | 07:53:14 | -57.5 | Dark | Down | 58.0 | 203.4 | Up | 07:48:26 - 07:58:03 | 2871 |
| Goldendale | 07:53:19 | -57.4 | Dark | Down | 58.4 | 200.9 | Up | 07:48:31 - 07:58:08 | 2834 |
| The Dalles | 07:53:20 | -57.6 | Dark | Down | 58.7 | 200.4 | Up | 07:48:31 - 07:58:08 | 2807 |
| Maupin | 07:53:19 | -58.0 | Dark | Down | 59.1 | 200.9 | Up | 07:48:31 - 07:58:08 | 2770 |
| Madras/Culver | 07:53:18 | -58.6 | Dark | Down | 59.6 | 201.1 | Up | 07:48:30 - 07:58:07 | 2719 |
| Redmond | 07:53:18 | -58.9 | Dark | Down | 60.0 | 201.2 | Up | 07:48:30 - 07:58:07 | 2685 |
| Sisters | 07:53:19 | -58.8 | Dark | Down | 60.0 | 200.5 | Up | 07:48:31 - 07:58:08 | 2680 |
| Niwot | 07:52:27 | -62.3 | Dark | Down | 56.3 | 231.2 | Up | 07:47:39 - 07:57:16 | 2676 |
| Bend | 07:53:18 | -59.1 | Dark | Down | 60.2 | 201.1 | Up | 07:48:30 - 07:58:07 | 2663 |
| Oregon Observatory | 07:53:18 | -59.3 | Dark | Down | 60.4 | 201.0 | Up | 07:48:30 - 07:58:07 | 2644 |
| La Pine/Gilchrist | 07:53:19 | -59.4 | Dark | Down | 60.6 | 201.0 | Up | 07:48:30 - 07:58:07 | 2624 |
| North Lake | 07:53:16 | -60.0 | Dark | Down | 60.8 | 202.4 | Up | 07:48:27 - 07:58:04 | 2595 |
| Paisley | 07:53:13 | -60.6 | Dark | Down | 61.3 | 203.4 | Up | 07:48:25 - 07:58:02 | 2551 |
| Chiloquin | 07:53:18 | -60.5 | Dark | Down | 61.7 | 201.0 | Up | 07:48:29 - 07:58:06 | 2513 |
| Lakeview | 07:53:12 | -61.1 | Dark | Down | 61.7 | 204.2 | Up | 07:48:23 - 07:58:00 | 2507 |
| Klamath Falls | 07:53:17 | -60.8 | Dark | Down | 62.0 | 201.4 | Up | 07:48:29 - 07:58:06 | 2482 |
| Tulelake | 07:53:16 | -61.1 | Dark | Down | 62.2 | 202.2 | Up | 07:48:27 - 07:58:04 | 2462 |
| Cedarville | 07:53:10 | -61.7 | Dark | Down | 62.2 | 205.0 | Up | 07:48:21 - 07:57:58 | 2448 |
| Fall River/Burney | 07:53:14 | -62.0 | Dark | Down | 63.0 | 203.0 | Up | 07:48:25 - 07:58:02 | 2378 |
| Susanville | 07:53:10 | -62.8 | Dark | Down | 63.4 | 205.0 | Up | 07:48:21 - 07:57:58 | 2332 |
| Gimple | 07:53:10 | -63.0 | Dark | Down | 63.7 | 204.8 | Up | 07:48:22 - 07:57:59 | 2301 |
| Greenville | 07:53:11 | -63.0 | Dark | Down | 63.7 | 204.6 | Up | 07:48:22 - 07:57:59 | 2300 |
| Quincy | 07:53:10 | -63.2 | Dark | Down | 63.9 | 204.8 | Up | 07:48:22 - 07:57:59 | 2280 |
| Portola | 07:53:08 | -63.4 | Dark | Down | 63.9 | 205.9 | Up | 07:48:20 - 07:57:57 | 2278 |
| Reno | 07:53:05 | -63.7 | Dark | Down | 63.9 | 207.4 | Up | 07:48:17 - 07:57:54 | 2266 |
| Carson City | 07:53:05 | -64.1 | Dark | Down | 64.2 | 207.8 | Up | 07:48:16 - 07:57:53 | 2232 |
| Yerington | 07:53:02 | -64.4 | Dark | Down | 64.1 | 209.3 | Up | 07:48:13 - 07:57:50 | 2227 |
| Gardnerville | 07:53:04 | -64.3 | Dark | Down | 64.4 | 208.1 | Up | 07:48:16 - 07:57:53 | 2209 |
| Hawthorne | 07:52:59 | -64.9 | Dark | Down | 64.3 | 210.8 | Up | 07:48:10 - 07:57:47 | 2193 |
| Tonopah | 07:52:53 | -65.5 | Dark | Down | 64.1 | 214.1 | Up | 07:48:04 - 07:57:41 | 2179 |
| Lee Vining | 07:53:00 | -65.4 | Dark | Down | 65.0 | 210.4 | Up | 07:48:12 - 07:57:49 | 2128 |
| Bishop | 07:52:56 | -66.1 | Dark | Down | 65.2 | 212.5 | Up | 07:48:07 - 07:57:44 | 2085 |
| Beatty | 07:52:49 | -66.7 | Dark | Down | 64.9 | 216.3 | Up | 07:48:00 - 07:57:37 | 2077 |
| Indian Springs | 07:52:44 | -67.1 | Dark | Down | 64.6 | 218.8 | Up | 07:47:55 - 07:57:32 | 2070 |
| Henderson | 07:52:40 | -67.6 | Dark | Down | 64.7 | 220.8 | Up | 07:47:51 - 07:57:28 | 2034 |
| Lone Pine | 07:52:54 | -66.9 | Dark | Down | 65.7 | 214.1 | Up | 07:48:05 - 07:57:42 | 2018 |
| Patrick | 07:52:35 | -68.2 | Dark | Down | 64.5 | 223.8 | Up | 07:47:46 - 07:57:23 | 2000 |
| DCO | 07:52:31 | -68.5 | Dark | Down | 64.4 | 225.5 | Up | 07:47:43 - 07:57:20 | 1987 |
| Searchlight/Boulder City | 07:52:39 | -68.2 | Dark | Down | 65.1 | 221.8 | Up | 07:47:50 - 07:57:27 | 1980 |
| Kingman/Dolan Springs | 07:52:35 | -68.5 | Dark | Down | 64.8 | 223.7 | Up | 07:47:46 - 07:57:23 | 1973 |
| Laughlin/Bullhead City | 07:52:37 | -68.5 | Dark | Down | 65.1 | 222.8 | Up | 07:47:48 - 07:57:25 | 1959 |
| Mohave Valley | 07:52:36 | -68.8 | Dark | Down | 65.3 | 223.2 | Up | 07:47:48 - 07:57:25 | 1932 |
| Lake Havasu City | 07:52:35 | -69.2 | Dark | Down | 65.5 | 224.3 | Up | 07:47:46 - 07:57:23 | 1899 |
| Parker | 07:52:34 | -69.5 | Dark | Down | 65.7 | 224.9 | Up | 07:47:45 - 07:57:22 | 1865 |
| CPSLO | 07:53:02 | -67.7 | Dark | Down | 67.9 | 210.1 | Up | 07:48:13 - 07:57:50 | 1832 |
| Blythe | 07:52:34 | -70.1 | Dark | Down | 66.2 | 225.2 | Up | 07:47:46 - 07:57:23 | 1805 |
| Idyllwild | 07:52:43 | -69.8 | Dark | Down | 67.3 | 220.8 | Up | 07:47:55 - 07:57:32 | 1766 |
| Wildwood | 07:52:51 | -69.3 | Dark | Down | 68.0 | 216.3 | Up | 07:48:03 - 07:57:40 | 1758 |
| Calipatria | 07:52:37 | -70.5 | Dark | Down | 67.1 | 224.2 | Up | 07:47:48 - 07:57:25 | 1734 |
| Yuma | 07:52:32 | -71.0 | Dark | Down | 66.9 | 226.6 | Up | 07:47:44 - 07:57:21 | 1712 |
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 16AE193, (2018/02/12 07:53UT) Object RA Dec mag sep mel Pollux 07:45:18.1 +28:01:33 1.1 16.79 167 PPM 125463 08:36:07.7 +15:18:49 6.5 0.54 157 PPM 125439 08:35:17.5 +15:43:48 8.5 0.20 157 PPM 125416 08:34:03.5 +15:39:25 11.6 0.10 158 16AE193 08:34:28.9 +15:40:37 13.6 158 Positions are for J2000
Event circumstances last updated at 2018/02/07 17:09:38 UT
Marc W. Buie, Southwest Research Institute