Event between 13AZ60 and star UC4-389-056374 with event index number of 58317
Geocentric closest approach at 2017/05/04 05:43:44 UTC
J2000 position of star is 12:31:21.4 -12:17:32
Equinox of date position of star is 12:32:14.9 -12:23:13
Stellar brightness R=16.4,
use SENSEUP=128
Star is 45 degrees from the moon.
Moon is 62% illuminated.
TNO apparent brightness V=20.2
[RECON map]
TNO is 9.5 AU from the Sun
and 8.7 AU from the Earth.
The TNO is moving 13.1
km/sec on the sky relative to the star, or,
7.5 arcsec/hr.
The 1-sigma error in the time of the event is 33 seconds.
The 1-sigma cross-track error in the shadow position is
923 km.
The sky-plane scale is
6279.7 km/arcsec.
The TNO has an absolute magnitude Hv=10.3
Diameter=53.5 km assuming a 5% albedo -- 4.1 sec chord
Diameter=21.8 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
Star training set for 13AZ60, (2017/05/04 05:44UT) Object RA Dec mag sep mel Spica 13:26:06.5 -11:15:05 1.0 13.22 56 4Gam Crv 12:16:42.0 -17:38:17 2.6 6.45 45 PPM 225991 12:33:30.0 -13:57:18 6.2 1.60 46 PPM 225950 12:32:18.0 -12:34:38 8.5 0.19 45 PPM 225946 12:31:57.4 -12:32:26 9.4 0.17 45 13AZ60 12:32:15.4 -12:23:16 16.4 45 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 11.1 km
RECON observability=1.0 and success probability=0.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Oroville | 05:45:50 | -19.0 | Dark | Up | 28.8 | 181.7 | Low | 05:42:36 - 05:49:05 | 5837 |
| Tonasket | 05:45:49 | -19.2 | Dark | Up | 29.0 | 181.7 | Low | 05:42:35 - 05:49:04 | 5825 |
| Okanogan | 05:45:50 | -19.5 | Dark | Up | 29.3 | 181.5 | Low | 05:42:35 - 05:49:04 | 5805 |
| Brewster | 05:45:51 | -19.6 | Dark | Up | 29.6 | 181.3 | Low | 05:42:36 - 05:49:05 | 5786 |
| Manson/Chelan | 05:45:52 | -19.7 | Dark | Up | 29.8 | 180.9 | Low | 05:42:37 - 05:49:06 | 5767 |
| Entiat | 05:45:52 | -19.8 | Dark | Up | 30.0 | 180.8 | Up | 05:42:38 - 05:49:07 | 5754 |
| Wenatchee | 05:45:52 | -20.0 | Dark | Up | 30.3 | 180.7 | Up | 05:42:38 - 05:49:07 | 5738 |
| Ellensburg | 05:45:53 | -20.3 | Dark | Up | 30.7 | 180.4 | Up | 05:42:38 - 05:49:07 | 5711 |
| Pasco | 05:45:44 | -21.4 | Dark | Up | 31.4 | 182.0 | Up | 05:42:30 - 05:48:59 | 5705 |
| PNWRO | 05:45:43 | -21.7 | Dark | Up | 31.7 | 182.3 | Up | 05:42:28 - 05:48:57 | 5697 |
| Yakima | 05:45:53 | -20.6 | Dark | Up | 31.1 | 180.4 | Up | 05:42:38 - 05:49:07 | 5688 |
| George/Umatilla | 05:45:44 | -21.6 | Dark | Up | 31.8 | 181.8 | Up | 05:42:30 - 05:48:59 | 5681 |
| Niwot | 05:44:11 | -31.3 | Dark | Up | 35.7 | 198.6 | Up | 05:40:56 - 05:47:25 | 5681 |
| Toppenish/White Swan | 05:45:51 | -20.8 | Dark | Up | 31.3 | 180.6 | Up | 05:42:37 - 05:49:06 | 5681 |
| Goldendale | 05:45:52 | -21.1 | Dark | Up | 31.9 | 180.1 | Up | 05:42:38 - 05:49:07 | 5640 |
| The Dalles | 05:45:55 | -21.2 | Dark | Up | 32.1 | 179.7 | Up | 05:42:40 - 05:49:09 | 5618 |
| Maupin | 05:45:53 | -21.5 | Dark | Up | 32.5 | 179.8 | Up | 05:42:39 - 05:49:08 | 5598 |
| Madras/Culver | 05:45:52 | -22.0 | Dark | Up | 33.1 | 179.8 | Up | 05:42:37 - 05:49:06 | 5566 |
| Redmond | 05:45:52 | -22.2 | Dark | Up | 33.4 | 179.7 | Up | 05:42:38 - 05:49:07 | 5544 |
| Sisters | 05:45:55 | -22.1 | Dark | Up | 33.4 | 179.3 | Up | 05:42:41 - 05:49:10 | 5535 |
| Bend | 05:45:53 | -22.4 | Dark | Up | 33.6 | 179.6 | Up | 05:42:38 - 05:49:07 | 5528 |
| Oregon Observatory | 05:45:53 | -22.4 | Dark | Up | 33.8 | 179.4 | Up | 05:42:39 - 05:49:08 | 5515 |
| La Pine/Gilchrist | 05:45:53 | -22.6 | Dark | Up | 34.0 | 179.3 | Up | 05:42:39 - 05:49:08 | 5501 |
| North Lake | 05:45:49 | -23.2 | Dark | Up | 34.5 | 180.0 | Up | 05:42:35 - 05:49:04 | 5491 |
| Paisley | 05:45:47 | -23.8 | Dark | Up | 35.0 | 180.4 | Up | 05:42:32 - 05:49:01 | 5467 |
| Lakeview | 05:45:45 | -24.3 | Dark | Up | 35.5 | 180.7 | Up | 05:42:30 - 05:48:59 | 5441 |
| Chiloquin | 05:45:54 | -23.3 | Dark | Up | 35.1 | 178.9 | Up | 05:42:40 - 05:49:09 | 5425 |
| Klamath Falls | 05:45:53 | -23.6 | Dark | Up | 35.5 | 179.0 | Up | 05:42:38 - 05:49:07 | 5406 |
| Cedarville | 05:45:43 | -24.9 | Dark | Up | 36.2 | 180.9 | Up | 05:42:28 - 05:48:57 | 5406 |
| Tulelake | 05:45:50 | -24.0 | Dark | Up | 35.8 | 179.3 | Up | 05:42:36 - 05:49:05 | 5398 |
| Fall River/Burney | 05:45:48 | -24.8 | Dark | Up | 36.7 | 179.4 | Up | 05:42:34 - 05:49:03 | 5343 |
| Susanville | 05:45:44 | -25.6 | Dark | Up | 37.3 | 180.3 | Up | 05:42:29 - 05:48:58 | 5323 |
| Gimple | 05:45:44 | -25.7 | Dark | Up | 37.6 | 180.0 | Up | 05:42:29 - 05:48:58 | 5300 |
| Greenville | 05:45:45 | -25.7 | Dark | Up | 37.6 | 179.9 | Up | 05:42:30 - 05:48:59 | 5297 |
| Reno | 05:45:38 | -26.7 | Dark | Up | 38.2 | 181.3 | Up | 05:42:23 - 05:48:52 | 5290 |
| Portola | 05:45:41 | -26.2 | Dark | Up | 37.9 | 180.5 | Up | 05:42:27 - 05:48:56 | 5290 |
| Quincy | 05:45:44 | -25.8 | Dark | Up | 37.8 | 179.9 | Up | 05:42:30 - 05:48:59 | 5284 |
| Yerington | 05:45:33 | -27.4 | Dark | Up | 38.7 | 182.1 | Up | 05:42:19 - 05:48:48 | 5272 |
| Carson City | 05:45:37 | -27.0 | Dark | Up | 38.5 | 181.3 | Up | 05:42:22 - 05:48:51 | 5267 |
| Tonopah | 05:45:18 | -29.0 | Dark | Up | 39.5 | 184.5 | Up | 05:42:04 - 05:48:33 | 5263 |
| Hawthorne | 05:45:28 | -28.0 | Dark | Up | 39.1 | 182.8 | Up | 05:42:13 - 05:48:42 | 5255 |
| Gardnerville | 05:45:36 | -27.2 | Dark | Up | 38.8 | 181.4 | Up | 05:42:21 - 05:48:50 | 5253 |
| Lee Vining | 05:45:30 | -28.2 | Dark | Up | 39.7 | 182.2 | Up | 05:42:16 - 05:48:45 | 5205 |
| Indian Springs | 05:45:05 | -30.9 | Dark | Up | 40.9 | 186.6 | Up | 05:41:50 - 05:48:19 | 5204 |
| Beatty | 05:45:13 | -30.1 | Dark | Up | 40.7 | 185.2 | Up | 05:41:58 - 05:48:27 | 5197 |
| Henderson | 05:45:00 | -31.6 | Dark | Up | 41.4 | 187.5 | Up | 05:41:46 - 05:48:15 | 5186 |
| Bishop | 05:45:25 | -29.1 | Dark | Up | 40.3 | 183.1 | Up | 05:42:10 - 05:48:39 | 5185 |
| Patrick | 05:44:52 | -32.6 | Dark | Up | 41.9 | 189.0 | Up | 05:41:37 - 05:48:06 | 5173 |
| DCO | 05:44:46 | -33.2 | Dark | Up | 42.1 | 189.9 | Up | 05:41:32 - 05:48:01 | 5171 |
| Kingman/Dolan Springs | 05:44:52 | -32.7 | Dark | Up | 42.1 | 188.8 | Up | 05:41:38 - 05:48:07 | 5153 |
| Searchlight/Boulder City | 05:44:58 | -32.1 | Dark | Up | 41.9 | 187.6 | Up | 05:41:43 - 05:48:12 | 5149 |
| Lone Pine | 05:45:21 | -29.8 | Dark | Up | 41.0 | 183.6 | Up | 05:42:06 - 05:48:35 | 5142 |
| Laughlin/Bullhead City | 05:44:56 | -32.5 | Dark | Up | 42.2 | 188.1 | Up | 05:41:41 - 05:48:10 | 5137 |
| Mohave Valley | 05:44:55 | -32.8 | Dark | Up | 42.5 | 188.1 | Up | 05:41:40 - 05:48:09 | 5119 |
| Lake Havasu City | 05:44:52 | -33.2 | Dark | Up | 42.8 | 188.5 | Up | 05:41:38 - 05:48:07 | 5097 |
| Parker | 05:44:52 | -33.5 | Dark | Up | 43.2 | 188.6 | Up | 05:41:37 - 05:48:06 | 5073 |
| Blythe | 05:44:52 | -33.8 | Dark | Up | 43.7 | 188.3 | Up | 05:41:37 - 05:48:06 | 5028 |
| Idyllwild | 05:45:06 | -32.8 | Dark | Up | 43.8 | 185.5 | Up | 05:41:51 - 05:48:20 | 4979 |
| CPSLO | 05:45:35 | -29.7 | Dark | Up | 42.4 | 180.3 | Up | 05:42:21 - 05:48:50 | 4978 |
| Calipatria | 05:44:57 | -33.8 | Dark | Up | 44.3 | 187.1 | Up | 05:41:43 - 05:48:12 | 4967 |
| Yuma | 05:44:50 | -34.6 | Dark | Up | 44.6 | 188.3 | Up | 05:41:35 - 05:48:04 | 4961 |
| Wildwood | 05:45:19 | -31.6 | Dark | Up | 43.6 | 183.0 | Up | 05:42:05 - 05:48:34 | 4951 |
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, (2017/05/04 05:44UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 13.22 56 4Gam Crv 12:15:48.2 -17:32:31 2.6 6.45 45 PPM 225991 12:32:35.8 -13:51:34 6.2 1.60 46 PPM 225950 12:31:24.0 -12:28:54 8.5 0.19 45 PPM 225946 12:31:03.4 -12:26:42 9.4 0.17 45 13AZ60 12:31:21.4 -12:17:32 16.4 45 Positions are for J2000
Event circumstances last updated at 2017/03/07 17:42:46 UT
Marc W. Buie, Southwest Research Institute