Event between 13AZ60 and star UC4-340-067990 with event index number of 109380
Geocentric closest approach at 2018/03/06 09:49:24 UTC
J2000 position of star is 13:38:20.5 -22:05:23
Equinox of date position of star is 13:39:19.7 -22:10:50
Stellar brightness R=13.2,
use SENSEUP=32
Star is 19 degrees from the moon.
Moon is 78% illuminated.
TNO apparent brightness V=20.7
[RECON map]
TNO is 10.6 AU from the Sun
and 9.9 AU from the Earth.
The TNO is moving 12.2
km/sec on the sky relative to the star, or,
6.1 arcsec/hr.
The 1-sigma error in the time of the event is 44 seconds.
The 1-sigma cross-track error in the shadow position is
1416 km.
The sky-plane scale is
7167.2 km/arcsec.
The TNO has an absolute magnitude Hv=10.3
Diameter=53.5 km assuming a 5% albedo -- 4.4 sec chord
Diameter=21.8 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
Star training set for 13AZ60, (2018/03/06 09:49UT) Object RA Dec mag sep mel Spica 13:26:09.2 -11:15:20 1.0 11.37 19 PPM 261719 13:30:42.6 -23:22:29 5.9 2.32 21 PPM 261853 13:37:51.5 -21:47:42 8.3 0.52 19 PPM 261888 13:39:21.0 -22:16:19 9.7 0.09 19 13AZ60 13:39:20.5 -22:10:54 13.2 19 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 12.9 km
RECON observability=0.9 and success probability=0.3%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Oroville | 09:49:13 | -41.8 | Dark | Up | 18.1 | 167.7 | Really Low | 09:45:05 - 09:53:22 | 6147 |
| Tonasket | 09:49:15 | -41.9 | Dark | Up | 18.3 | 167.7 | Really Low | 09:45:06 - 09:53:23 | 6139 |
| Okanogan | 09:49:16 | -42.3 | Dark | Up | 18.6 | 167.5 | Really Low | 09:45:07 - 09:53:24 | 6129 |
| Brewster | 09:49:18 | -42.6 | Dark | Up | 18.9 | 167.3 | Really Low | 09:45:09 - 09:53:26 | 6121 |
| Manson/Chelan | 09:49:20 | -42.9 | Dark | Up | 19.0 | 166.9 | Really Low | 09:45:11 - 09:53:28 | 6116 |
| Entiat | 09:49:20 | -43.1 | Dark | Up | 19.2 | 166.9 | Really Low | 09:45:12 - 09:53:29 | 6109 |
| Wenatchee | 09:49:22 | -43.3 | Dark | Up | 19.4 | 166.7 | Really Low | 09:45:13 - 09:53:30 | 6100 |
| Ellensburg | 09:49:23 | -43.8 | Dark | Up | 19.8 | 166.5 | Really Low | 09:45:15 - 09:53:32 | 6087 |
| Yakima | 09:49:23 | -44.1 | Dark | Up | 20.2 | 166.5 | Low | 09:45:15 - 09:53:32 | 6072 |
| Toppenish/White Swan | 09:49:23 | -44.2 | Dark | Up | 20.4 | 166.6 | Low | 09:45:15 - 09:53:32 | 6063 |
| Pasco | 09:49:17 | -43.8 | Dark | Up | 20.8 | 167.8 | Low | 09:45:09 - 09:53:26 | 6050 |
| Goldendale | 09:49:23 | -44.8 | Dark | Up | 20.9 | 166.1 | Low | 09:45:15 - 09:53:32 | 6045 |
| The Dalles | 09:49:23 | -45.2 | Dark | Up | 21.1 | 165.8 | Low | 09:45:15 - 09:53:32 | 6039 |
| PNWRO | 09:49:16 | -43.9 | Dark | Up | 21.0 | 168.0 | Low | 09:45:08 - 09:53:25 | 6039 |
| George/Umatilla | 09:49:19 | -44.2 | Dark | Up | 21.0 | 167.6 | Low | 09:45:10 - 09:53:27 | 6039 |
| Maupin | 09:49:23 | -45.5 | Dark | Up | 21.5 | 165.8 | Low | 09:45:15 - 09:53:32 | 6022 |
| Madras/Culver | 09:49:23 | -45.9 | Dark | Up | 22.0 | 165.7 | Low | 09:45:15 - 09:53:32 | 6001 |
| Sisters | 09:49:23 | -46.4 | Dark | Up | 22.3 | 165.3 | Low | 09:45:15 - 09:53:32 | 5991 |
| Redmond | 09:49:23 | -46.3 | Dark | Up | 22.4 | 165.6 | Low | 09:45:15 - 09:53:32 | 5987 |
| Bend | 09:49:23 | -46.5 | Dark | Up | 22.5 | 165.5 | Low | 09:45:15 - 09:53:32 | 5979 |
| Oregon Observatory | 09:49:23 | -46.7 | Dark | Up | 22.7 | 165.3 | Low | 09:45:15 - 09:53:32 | 5973 |
| La Pine/Gilchrist | 09:49:23 | -46.9 | Dark | Up | 22.9 | 165.3 | Low | 09:45:15 - 09:53:32 | 5965 |
| North Lake | 09:49:23 | -47.0 | Dark | Up | 23.4 | 165.8 | Low | 09:45:15 - 09:53:32 | 5942 |
| Chiloquin | 09:49:41 | -47.9 | Dark | Up | 23.9 | 164.9 | Low | 09:45:33 - 09:53:50 | 5917 |
| Paisley | 09:49:23 | -47.3 | Dark | Up | 24.0 | 166.1 | Low | 09:45:15 - 09:53:32 | 5915 |
| Klamath Falls | 09:49:42 | -48.2 | Dark | Up | 24.2 | 164.9 | Low | 09:45:34 - 09:53:51 | 5901 |
| Lakeview | 09:49:23 | -47.6 | Dark | Up | 24.5 | 166.2 | Low | 09:45:15 - 09:53:32 | 5891 |
| Tulelake | 09:49:41 | -48.2 | Dark | Up | 24.6 | 165.2 | Low | 09:45:32 - 09:53:49 | 5887 |
| Cedarville | 09:49:23 | -48.0 | Dark | Up | 25.2 | 166.3 | Low | 09:45:15 - 09:53:32 | 5860 |
| Fall River/Burney | 09:49:43 | -48.9 | Dark | Up | 25.4 | 165.1 | Low | 09:45:34 - 09:53:51 | 5845 |
| Susanville | 09:49:23 | -49.1 | Dark | Up | 26.2 | 165.7 | Low | 09:45:15 - 09:53:32 | 5813 |
| Greenville | 09:49:41 | -49.5 | Dark | Up | 26.4 | 165.5 | Low | 09:45:33 - 09:53:50 | 5799 |
| Gimple | 09:49:41 | -49.4 | Dark | Up | 26.4 | 165.6 | Low | 09:45:32 - 09:53:49 | 5798 |
| Quincy | 09:49:42 | -49.6 | Dark | Up | 26.6 | 165.5 | Low | 09:45:33 - 09:53:50 | 5789 |
| Portola | 09:49:23 | -49.5 | Dark | Up | 26.8 | 165.8 | Low | 09:45:15 - 09:53:32 | 5783 |
| Reno | 09:49:23 | -49.4 | Dark | Up | 27.2 | 166.5 | Low | 09:45:15 - 09:53:32 | 5763 |
| Carson City | 09:49:23 | -49.7 | Dark | Up | 27.5 | 166.5 | Low | 09:45:15 - 09:53:32 | 5745 |
| Gardnerville | 09:49:23 | -49.8 | Dark | Up | 27.8 | 166.5 | Low | 09:45:15 - 09:53:32 | 5733 |
| Yerington | 09:49:23 | -49.5 | Dark | Up | 27.8 | 167.1 | Low | 09:45:15 - 09:53:32 | 5730 |
| Hawthorne | 09:49:23 | -49.6 | Dark | Up | 28.4 | 167.6 | Low | 09:45:15 - 09:53:32 | 5701 |
| Lee Vining | 09:49:23 | -50.3 | Dark | Up | 28.9 | 167.0 | Low | 09:45:15 - 09:53:32 | 5677 |
| Tonopah | 09:49:20 | -49.2 | Dark | Up | 29.1 | 169.0 | Low | 09:45:12 - 09:53:29 | 5664 |
| Bishop | 09:49:23 | -50.3 | Dark | Up | 29.6 | 167.7 | Low | 09:45:15 - 09:53:32 | 5638 |
| Niwot | 09:47:57 | -40.9 | Dark | Up | 27.8 | 181.4 | Low | 09:43:48 - 09:52:05 | 5620 |
| Beatty | 09:49:19 | -49.7 | Dark | Up | 30.3 | 169.3 | Up | 09:45:11 - 09:53:28 | 5598 |
| Lone Pine | 09:49:23 | -50.7 | Dark | Up | 30.4 | 167.9 | Up | 09:45:15 - 09:53:32 | 5594 |
| Indian Springs | 09:49:12 | -49.3 | Dark | Up | 30.7 | 170.4 | Up | 09:45:04 - 09:53:21 | 5569 |
| CPSLO | 09:49:50 | -53.0 | Dark | Up | 31.2 | 165.1 | Up | 09:45:41 - 09:53:58 | 5542 |
| Henderson | 09:49:08 | -49.3 | Dark | Up | 31.4 | 171.1 | Up | 09:45:00 - 09:53:17 | 5532 |
| Searchlight/Boulder City | 09:49:09 | -49.6 | Dark | Up | 31.9 | 171.1 | Up | 09:45:01 - 09:53:18 | 5499 |
| Patrick | 09:49:02 | -49.0 | Dark | Up | 32.1 | 172.2 | Up | 09:44:53 - 09:53:10 | 5484 |
| Laughlin/Bullhead City | 09:49:07 | -49.6 | Dark | Up | 32.3 | 171.5 | Up | 09:44:59 - 09:53:16 | 5478 |
| Kingman/Dolan Springs | 09:49:04 | -49.3 | Dark | Up | 32.3 | 172.0 | Up | 09:44:55 - 09:53:12 | 5473 |
| Mohave Valley | 09:49:07 | -49.8 | Dark | Up | 32.5 | 171.4 | Up | 09:44:59 - 09:53:16 | 5462 |
| Wildwood | 09:49:23 | -52.7 | Dark | Up | 32.7 | 167.0 | Up | 09:45:15 - 09:53:32 | 5459 |
| DCO | 09:48:57 | -48.8 | Dark | Up | 32.5 | 173.0 | Up | 09:44:49 - 09:53:06 | 5458 |
| Lake Havasu City | 09:49:06 | -49.9 | Dark | Up | 33.0 | 171.7 | Up | 09:44:58 - 09:53:15 | 5436 |
| Idyllwild | 09:49:23 | -51.8 | Dark | Up | 33.4 | 169.0 | Up | 09:45:15 - 09:53:32 | 5417 |
| Parker | 09:49:07 | -50.1 | Dark | Up | 33.3 | 171.7 | Up | 09:44:59 - 09:53:16 | 5415 |
| Blythe | 09:49:10 | -50.6 | Dark | Up | 33.8 | 171.3 | Up | 09:45:02 - 09:53:19 | 5387 |
| Calipatria | 09:49:17 | -51.5 | Dark | Up | 34.2 | 170.2 | Up | 09:45:09 - 09:53:26 | 5367 |
| Yuma | 09:49:11 | -51.2 | Dark | Up | 34.7 | 171.2 | Up | 09:45:03 - 09:53:20 | 5331 |
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 13AZ60, (2018/03/06 09:49UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 11.37 19 PPM 261719 13:29:42.7 -23:16:52 5.9 2.32 21 PPM 261853 13:36:51.6 -21:42:10 8.3 0.52 19 PPM 261888 13:38:21.0 -22:10:48 9.7 0.09 19 13AZ60 13:38:20.5 -22:05:23 13.2 19 Positions are for J2000
Event circumstances last updated at 2017/12/02 17:19:32 UT
Marc W. Buie, Southwest Research Institute