Event between 00CQ114 and star UC4-465-047458 with event index number of 103773
Geocentric closest approach at 2018/02/05 08:32:06 UTC
J2000 position of star is 11:51:54.4 +02:52:48
Equinox of date position of star is 11:52:49.6 +02:46:49
Stellar brightness R=12.5,
use SENSEUP=16
Star is 23 degrees from the moon.
Moon is 73% illuminated.
TNO apparent brightness V=23.4
[RECON map]
TNO is 47.0 AU from the Sun
and 46.2 AU from the Earth.
The TNO is moving 18.4
km/sec on the sky relative to the star, or,
2.0 arcsec/hr.
The 1-sigma error in the time of the event is 440 seconds.
The 1-sigma cross-track error in the shadow position is
4777 km.
The sky-plane scale is
33513.9 km/arcsec.
The TNO has an absolute magnitude Hv=6.6
Diameter=285.8 km assuming a 5% albedo -- 15.5 sec chord
Diameter=116.7 km assuming a 30% albedo -- 6.3 sec chord
Dynamical classification is CLASSICAL
Star training set for 00CQ114, (2018/02/05 08:32UT) Object RA Dec mag sep mel Spica 13:26:08.9 -11:15:19 1.0 27.12 8 Denebola 11:49:58.9 +14:28:15 2.1 11.71 29 5Bet Vir 11:51:38.3 +01:39:46 3.6 1.16 23 PPM 158245 11:50:42.4 +02:07:52 8.0 0.84 23 PPM 158288 11:53:21.2 +02:59:38 8.7 0.25 23 00CQ114 11:52:50.1 +02:46:46 12.5 22 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
2.0 sigma about the mid-time.
The median site spacing is 21.3 km
RECON observability=1.0 and success probability=3.1%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Oroville | 08:35:40 | -56.6 | Dark | Up | 36.0 | 137.7 | Up | 08:20:40 - 08:50:40 | 10172 |
| Tonasket | 08:35:41 | -56.8 | Dark | Up | 36.2 | 137.6 | Up | 08:20:41 - 08:50:41 | 10151 |
| Okanogan | 08:35:43 | -57.2 | Dark | Up | 36.4 | 137.2 | Up | 08:20:43 - 08:50:43 | 10117 |
| Brewster | 08:35:44 | -57.5 | Dark | Up | 36.5 | 136.9 | Up | 08:20:44 - 08:50:44 | 10088 |
| Manson/Chelan | 08:35:46 | -57.7 | Dark | Up | 36.5 | 136.4 | Up | 08:20:46 - 08:50:46 | 10061 |
| Entiat | 08:35:46 | -57.9 | Dark | Up | 36.6 | 136.2 | Up | 08:20:46 - 08:50:46 | 10039 |
| Wenatchee | 08:35:46 | -58.2 | Dark | Up | 36.7 | 136.0 | Up | 08:20:46 - 08:50:46 | 10014 |
| Ellensburg | 08:35:47 | -58.6 | Dark | Up | 36.9 | 135.5 | Up | 08:20:47 - 08:50:47 | 9971 |
| Pasco | 08:35:43 | -59.2 | Dark | Up | 38.1 | 136.7 | Up | 08:20:43 - 08:50:43 | 9938 |
| Yakima | 08:35:48 | -59.0 | Dark | Up | 37.2 | 135.3 | Up | 08:20:48 - 08:50:48 | 9933 |
| PNWRO | 08:35:43 | -59.4 | Dark | Up | 38.4 | 136.8 | Up | 08:20:43 - 08:50:43 | 9922 |
| Toppenish/White Swan | 08:35:47 | -59.2 | Dark | Up | 37.4 | 135.3 | Up | 08:20:47 - 08:50:47 | 9918 |
| George/Umatilla | 08:35:44 | -59.5 | Dark | Up | 38.3 | 136.2 | Up | 08:20:44 - 08:50:44 | 9902 |
| Goldendale | 08:35:49 | -59.8 | Dark | Up | 37.6 | 134.6 | Up | 08:20:49 - 08:50:49 | 9856 |
| The Dalles | 08:35:50 | -60.1 | Dark | Up | 37.6 | 134.1 | Up | 08:20:50 - 08:50:50 | 9827 |
| Maupin | 08:35:47 | -60.5 | Dark | Up | 37.9 | 133.9 | Up | 08:20:47 - 08:50:47 | 9791 |
| Niwot | 08:34:51 | -60.2 | Dark | Up | 49.0 | 150.3 | Up | 08:19:51 - 08:49:51 | 9784 |
| Madras/Culver | 08:35:50 | -61.0 | Dark | Up | 38.3 | 133.6 | Up | 08:20:50 - 08:50:50 | 9739 |
| Redmond | 08:35:50 | -61.4 | Dark | Up | 38.5 | 133.3 | Up | 08:20:50 - 08:50:50 | 9704 |
| Sisters | 08:35:52 | -61.4 | Dark | Up | 38.3 | 132.9 | Up | 08:20:52 - 08:50:52 | 9696 |
| Bend | 08:35:50 | -61.6 | Dark | Up | 38.6 | 133.1 | Up | 08:20:50 - 08:50:50 | 9680 |
| Oregon Observatory | 08:35:51 | -61.8 | Dark | Up | 38.6 | 132.8 | Up | 08:20:51 - 08:50:51 | 9661 |
| La Pine/Gilchrist | 08:35:51 | -62.0 | Dark | Up | 38.7 | 132.6 | Up | 08:20:51 - 08:50:51 | 9640 |
| North Lake | 08:35:50 | -62.4 | Dark | Up | 39.4 | 133.0 | Up | 08:20:50 - 08:50:50 | 9614 |
| Paisley | 08:35:47 | -62.9 | Dark | Up | 39.9 | 133.1 | Up | 08:20:47 - 08:50:47 | 9572 |
| Lakeview | 08:35:47 | -63.3 | Dark | Up | 40.4 | 133.0 | Up | 08:20:47 - 08:50:47 | 9529 |
| Chiloquin | 08:35:50 | -63.1 | Dark | Up | 39.3 | 131.6 | Up | 08:20:50 - 08:50:50 | 9526 |
| Klamath Falls | 08:35:54 | -63.5 | Dark | Up | 39.6 | 131.5 | Up | 08:20:54 - 08:50:54 | 9495 |
| Tulelake | 08:35:50 | -63.7 | Dark | Up | 39.9 | 131.6 | Up | 08:20:50 - 08:50:50 | 9477 |
| Cedarville | 08:35:47 | -64.0 | Dark | Up | 40.9 | 132.7 | Up | 08:20:47 - 08:50:47 | 9471 |
| Fall River/Burney | 08:35:50 | -64.6 | Dark | Up | 40.6 | 131.1 | Up | 08:20:50 - 08:50:50 | 9392 |
| Susanville | 08:35:50 | -65.1 | Dark | Up | 41.4 | 131.5 | Up | 08:20:50 - 08:50:50 | 9351 |
| Gimple | 08:35:50 | -65.4 | Dark | Up | 41.5 | 131.1 | Up | 08:20:50 - 08:50:50 | 9319 |
| Greenville | 08:35:47 | -65.4 | Dark | Up | 41.4 | 131.0 | Up | 08:20:47 - 08:50:47 | 9317 |
| Portola | 08:35:47 | -65.7 | Dark | Up | 41.9 | 131.3 | Up | 08:20:47 - 08:50:47 | 9298 |
| Quincy | 08:35:50 | -65.6 | Dark | Up | 41.5 | 130.9 | Up | 08:20:50 - 08:50:50 | 9297 |
| Reno | 08:35:47 | -65.8 | Dark | Up | 42.4 | 131.8 | Up | 08:20:47 - 08:50:47 | 9290 |
| Carson City | 08:35:47 | -66.2 | Dark | Up | 42.7 | 131.6 | Up | 08:20:47 - 08:50:47 | 9256 |
| Yerington | 08:35:43 | -66.3 | Dark | Up | 43.2 | 132.2 | Up | 08:20:43 - 08:50:43 | 9255 |
| Gardnerville | 08:35:47 | -66.4 | Dark | Up | 42.9 | 131.5 | Up | 08:20:47 - 08:50:47 | 9233 |
| Hawthorne | 08:35:42 | -66.6 | Dark | Up | 43.8 | 132.4 | Up | 08:20:42 - 08:50:42 | 9225 |
| Tonopah | 08:35:36 | -66.7 | Dark | Up | 44.9 | 133.7 | Up | 08:20:36 - 08:50:36 | 9220 |
| Lee Vining | 08:35:43 | -67.2 | Dark | Up | 43.9 | 131.5 | Up | 08:20:43 - 08:50:43 | 9156 |
| Indian Springs | 08:35:28 | -67.6 | Dark | Up | 46.8 | 134.4 | Up | 08:20:28 - 08:50:28 | 9123 |
| Beatty | 08:35:35 | -67.6 | Dark | Up | 46.0 | 133.4 | Up | 08:20:35 - 08:50:35 | 9122 |
| Bishop | 08:35:40 | -67.6 | Dark | Up | 44.7 | 131.8 | Up | 08:20:40 - 08:50:40 | 9119 |
| Henderson | 08:35:28 | -67.8 | Dark | Up | 47.6 | 134.8 | Up | 08:20:28 - 08:50:28 | 9092 |
| Patrick | 08:35:21 | -67.9 | Dark | Up | 48.7 | 135.6 | Up | 08:20:21 - 08:50:21 | 9066 |
| DCO | 08:35:18 | -67.9 | Dark | Up | 49.3 | 136.3 | Up | 08:20:18 - 08:50:18 | 9059 |
| Lone Pine | 08:35:36 | -68.3 | Dark | Up | 45.4 | 131.6 | Up | 08:20:36 - 08:50:36 | 9054 |
| Kingman/Dolan Springs | 08:35:21 | -68.2 | Dark | Up | 48.7 | 135.2 | Up | 08:20:21 - 08:50:21 | 9038 |
| Searchlight/Boulder City | 08:35:27 | -68.3 | Dark | Up | 48.0 | 134.4 | Up | 08:20:27 - 08:50:27 | 9038 |
| Laughlin/Bullhead City | 08:35:25 | -68.4 | Dark | Up | 48.4 | 134.6 | Up | 08:20:25 - 08:50:25 | 9020 |
| Mohave Valley | 08:35:22 | -68.7 | Dark | Up | 48.6 | 134.3 | Up | 08:20:22 - 08:50:22 | 8993 |
| Lake Havasu City | 08:35:24 | -68.9 | Dark | Up | 49.0 | 134.3 | Up | 08:20:24 - 08:50:24 | 8962 |
| Parker | 08:35:22 | -69.2 | Dark | Up | 49.3 | 134.1 | Up | 08:20:22 - 08:50:22 | 8929 |
| Blythe | 08:35:24 | -69.8 | Dark | Up | 49.5 | 133.3 | Up | 08:20:24 - 08:50:24 | 8867 |
| CPSLO | 08:35:49 | -70.1 | Dark | Up | 44.7 | 127.8 | Up | 08:20:49 - 08:50:49 | 8850 |
| Idyllwild | 08:35:32 | -70.5 | Dark | Up | 48.1 | 130.9 | Up | 08:20:32 - 08:50:32 | 8812 |
| Wildwood | 08:35:38 | -70.8 | Dark | Up | 46.7 | 129.1 | Up | 08:20:38 - 08:50:38 | 8790 |
| Calipatria | 08:35:27 | -70.6 | Dark | Up | 49.3 | 131.7 | Up | 08:20:27 - 08:50:27 | 8789 |
| Yuma | 08:35:22 | -70.6 | Dark | Up | 50.1 | 132.4 | Up | 08:20:22 - 08:50:22 | 8775 |
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 00CQ114, (2018/02/05 08:32UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 27.12 8 Denebola 11:49:03.0 +14:34:17 2.1 11.71 29 5Bet Vir 11:50:42.6 +01:45:48 3.6 1.16 23 PPM 158245 11:49:46.7 +02:13:54 8.0 0.84 23 PPM 158288 11:52:25.5 +03:05:40 8.7 0.25 23 00CQ114 11:51:54.4 +02:52:48 12.5 23 Positions are for J2000
Event circumstances last updated at 2017/12/02 17:15:00 UT
Marc W. Buie, Southwest Research Institute