Event between (517717) 15KZ120 and star GA1440:05039836 with event index number of 267405
Geocentric closest approach at 2019/07/15 05:57:36 UTC
J2000 position of star is 17:29:34.1 +55:40:26
Equinox of date position of star is 17:29:56.2 +55:39:35
Stellar brightness G=16.6,
use SENSEUP=128
Star is 78 degrees from the moon.
Moon is 97% illuminated.
TNO apparent brightness V=19.6
[RECON map]
TNO is 8.4 AU from the Sun
and 8.2 AU from the Earth.
The TNO is moving 22.0
km/sec on the sky relative to the star, or,
13.3 arcsec/hr.
The 1-sigma error in the time of the event is 14 seconds.
The 1-sigma cross-track error in the shadow position is
615 km.
The sky-plane scale is
5942.7 km/arcsec.
The TNO has an absolute magnitude Hv=9.9
Diameter=63.1 km assuming a 5% albedo -- 2.9 sec chord
Diameter=25.8 km assuming a 30% albedo -- 1.2 sec chord
Dynamical classification is CENTAURR
Star training set for 517717, (2019/07/15 05:58UT) Object RA Dec mag sep mel Vega 18:37:36.0 +38:48:10 0.0 20.28 61 23Bet Dra 17:30:52.5 +52:17:15 2.8 3.37 75 PPM 036140 17:44:23.8 +53:47:40 5.7 2.80 76 PPM 036084 17:37:36.0 +55:43:50 7.9 1.08 78 PPM 035987 17:27:31.8 +55:21:49 9.7 0.45 78 PPM 036008 17:29:31.0 +55:44:03 11.0 0.10 78 517717 17:29:56.3 +55:39:34 16.6 78 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 27.5 km
RECON observability=0.8 and success probability=5.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 05:57:35 | -13.3 | AT | Up | 84.2 | 357.6 | Up | 05:55:55 - 05:59:15 | -1115 |
| Summerland | 05:57:36 | -13.5 | AT | Up | 83.9 | 359.2 | Up | 05:55:56 - 05:59:16 | -1148 |
| Penticton | 05:57:36 | -13.6 | AT | Up | 83.9 | 358.7 | Up | 05:55:56 - 05:59:16 | -1155 |
| Okanagan Falls | 05:57:36 | -13.7 | AT | Up | 83.7 | 358.8 | Up | 05:55:56 - 05:59:16 | -1176 |
| Oliver | 05:57:36 | -13.9 | AT | Up | 83.5 | 358.7 | Up | 05:55:56 - 05:59:16 | -1194 |
| Anarchist Mountain Observatory | 05:57:35 | -14.1 | AT | Up | 83.3 | 357.8 | Up | 05:55:55 - 05:59:15 | -1214 |
| Oroville | 05:57:35 | -14.1 | AT | Up | 83.3 | 358.2 | Up | 05:55:55 - 05:59:15 | -1222 |
| Tonasket | 05:57:35 | -14.3 | AT | Up | 83.0 | 358.2 | Up | 05:55:55 - 05:59:15 | -1247 |
| Okanogan | 05:57:36 | -14.6 | AT | Up | 82.7 | 359.0 | Up | 05:55:56 - 05:59:16 | -1284 |
| Brewster | 05:57:37 | -14.7 | AT | Up | 82.4 | 359.9 | Up | 05:55:57 - 05:59:17 | -1314 |
| Manson/Chelan | 05:57:38 | -14.8 | AT | Up | 82.2 | 1.4 | Up | 05:55:58 - 05:59:18 | -1336 |
| Entiat | 05:57:38 | -14.9 | AT | Up | 82.0 | 1.6 | Up | 05:55:58 - 05:59:18 | -1360 |
| Wenatchee | 05:57:39 | -15.1 | AT | Up | 81.7 | 2.0 | Up | 05:55:59 - 05:59:19 | -1387 |
| Ellensburg | 05:57:40 | -15.4 | AT | Up | 81.3 | 2.7 | Up | 05:56:00 - 05:59:20 | -1432 |
| Yakima | 05:57:40 | -15.7 | AT | Up | 80.9 | 2.6 | Up | 05:56:00 - 05:59:20 | -1477 |
| Toppenish/White Swan | 05:57:39 | -16.0 | AT | Up | 80.7 | 2.0 | Up | 05:55:59 - 05:59:19 | -1501 |
| Pasco | 05:57:35 | -16.5 | AT | Up | 80.6 | 357.6 | Up | 05:55:55 - 05:59:15 | -1517 |
| PNWRO | 05:57:34 | -16.8 | AT | Up | 80.3 | 356.9 | Up | 05:55:54 - 05:59:14 | -1545 |
| George/Umatilla | 05:57:35 | -16.7 | AT | Up | 80.2 | 358.4 | Up | 05:55:55 - 05:59:15 | -1554 |
| Goldendale | 05:57:41 | -16.3 | AT | Up | 80.1 | 3.3 | Up | 05:56:01 - 05:59:21 | -1560 |
| The Dalles | 05:57:42 | -16.4 | AT | Up | 79.9 | 4.3 | Up | 05:56:02 - 05:59:22 | -1583 |
| Maupin | 05:57:42 | -16.8 | AT | Up | 79.5 | 3.8 | Up | 05:56:02 - 05:59:22 | -1630 |
| Madras/Culver | 05:57:42 | -17.2 | AT | Up | 78.9 | 3.8 | Up | 05:56:02 - 05:59:22 | -1689 |
| Sisters | 05:57:44 | -17.3 | AT | Up | 78.6 | 4.9 | Up | 05:56:04 - 05:59:24 | -1724 |
| Redmond | 05:57:42 | -17.5 | AT | Up | 78.6 | 3.8 | Up | 05:56:02 - 05:59:22 | -1728 |
| Bend | 05:57:43 | -17.6 | AT | Up | 78.3 | 4.1 | Up | 05:56:03 - 05:59:23 | -1751 |
| Oregon Observatory | 05:57:43 | -17.7 | AT | Up | 78.2 | 4.4 | Up | 05:56:03 - 05:59:23 | -1769 |
| La Pine/Gilchrist | 05:57:44 | -17.9 | AT | Up | 78.0 | 4.5 | Up | 05:56:04 - 05:59:24 | -1791 |
| North Lake | 05:57:42 | -18.5 | Dark | Up | 77.6 | 2.8 | Up | 05:56:02 - 05:59:22 | -1841 |
| Paisley | 05:57:40 | -19.1 | Dark | Up | 77.0 | 1.8 | Up | 05:56:00 - 05:59:20 | -1902 |
| Chiloquin | 05:57:45 | -18.7 | Dark | Up | 76.8 | 5.0 | Up | 05:56:05 - 05:59:25 | -1910 |
| Klamath Falls | 05:57:45 | -19.0 | Dark | Up | 76.5 | 4.7 | Up | 05:56:05 - 05:59:25 | -1947 |
| Lakeview | 05:57:40 | -19.6 | Dark | Up | 76.5 | 1.3 | Up | 05:56:00 - 05:59:20 | -1957 |
| Tulelake | 05:57:44 | -19.3 | Dark | Up | 76.2 | 3.9 | Up | 05:56:04 - 05:59:24 | -1978 |
| Cedarville | 05:57:39 | -20.2 | Dark | Up | 75.9 | 0.8 | Up | 05:55:59 - 05:59:19 | -2028 |
| Fall River/Burney | 05:57:44 | -20.1 | Dark | Up | 75.3 | 3.5 | Up | 05:56:04 - 05:59:24 | -2076 |
| Niwot | 05:56:43 | -26.2 | Dark | Up | 71.8 | 333.3 | Up | 05:55:03 - 05:58:23 | -2093 |
| SwRI | 05:56:43 | -26.3 | Dark | Up | 71.7 | 333.6 | Up | 05:55:03 - 05:58:23 | -2105 |
| Susanville | 05:57:41 | -20.9 | Dark | Up | 74.7 | 1.8 | Up | 05:56:01 - 05:59:21 | -2146 |
| Greenville | 05:57:42 | -21.1 | Dark | Up | 74.4 | 2.3 | Up | 05:56:02 - 05:59:22 | -2175 |
| Gimple | 05:57:42 | -21.1 | Dark | Up | 74.4 | 2.2 | Up | 05:56:02 - 05:59:22 | -2175 |
| Quincy | 05:57:42 | -21.2 | Dark | Up | 74.2 | 2.3 | Up | 05:56:02 - 05:59:22 | -2196 |
| Portola | 05:57:40 | -21.5 | Dark | Up | 74.1 | 1.3 | Up | 05:56:00 - 05:59:20 | -2212 |
| Reno | 05:57:38 | -22.0 | Dark | Up | 73.9 | 360.0 | Up | 05:55:58 - 05:59:18 | -2242 |
| Carson City | 05:57:38 | -22.3 | Dark | Up | 73.5 | 359.9 | Up | 05:55:58 - 05:59:18 | -2280 |
| Yerington | 05:57:36 | -22.8 | Dark | Up | 73.3 | 358.7 | Up | 05:55:56 - 05:59:16 | -2302 |
| Gardnerville | 05:57:38 | -22.6 | Dark | Up | 73.3 | 359.9 | Up | 05:55:58 - 05:59:18 | -2306 |
| Hawthorne | 05:57:34 | -23.4 | Dark | Up | 72.8 | 357.8 | Up | 05:55:54 - 05:59:14 | -2353 |
| Tonopah | 05:57:28 | -24.3 | Dark | Up | 72.3 | 355.2 | Up | 05:55:48 - 05:59:08 | -2403 |
| Lee Vining | 05:57:36 | -23.6 | Dark | Up | 72.3 | 358.7 | Up | 05:55:56 - 05:59:16 | -2412 |
| Bishop | 05:57:33 | -24.5 | Dark | Up | 71.7 | 357.5 | Up | 05:55:53 - 05:59:13 | -2476 |
| Beatty | 05:57:27 | -25.5 | Dark | Up | 71.1 | 354.7 | Up | 05:55:47 - 05:59:07 | -2524 |
| Lone Pine | 05:57:32 | -25.2 | Dark | Up | 70.9 | 357.0 | Up | 05:55:52 - 05:59:12 | -2556 |
| Indian Springs | 05:57:22 | -26.2 | Dark | Up | 70.7 | 353.0 | Up | 05:55:42 - 05:59:02 | -2557 |
| Henderson | 05:57:19 | -26.9 | Dark | Up | 70.1 | 352.1 | Up | 05:55:39 - 05:58:59 | -2611 |
| Searchlight/Boulder City | 05:57:19 | -27.5 | Dark | Up | 69.5 | 352.2 | Up | 05:55:39 - 05:58:59 | -2670 |
| Patrick | 05:57:15 | -27.9 | Dark | Up | 69.3 | 350.6 | Up | 05:55:35 - 05:58:55 | -2672 |
| CPSLO | 05:57:42 | -25.2 | Dark | Up | 69.6 | 1.3 | Up | 05:56:02 - 05:59:22 | -2686 |
| Kingman/Dolan Springs | 05:57:15 | -28.0 | Dark | Up | 69.1 | 351.0 | Up | 05:55:35 - 05:58:55 | -2696 |
| DCO | 05:57:12 | -28.4 | Dark | Up | 68.9 | 349.7 | Up | 05:55:32 - 05:58:52 | -2700 |
| Laughlin/Bullhead City | 05:57:17 | -27.9 | Dark | Up | 69.2 | 351.8 | Up | 05:55:37 - 05:58:57 | -2700 |
| Mohave Valley | 05:57:18 | -28.1 | Dark | Up | 68.9 | 351.9 | Up | 05:55:38 - 05:58:58 | -2728 |
| Lake Havasu City | 05:57:16 | -28.6 | Dark | Up | 68.5 | 351.7 | Up | 05:55:36 - 05:58:56 | -2769 |
| Parker | 05:57:16 | -28.9 | Dark | Up | 68.1 | 351.7 | Up | 05:55:36 - 05:58:56 | -2805 |
| Wildwood | 05:57:34 | -27.1 | Dark | Up | 68.4 | 358.2 | Up | 05:55:54 - 05:59:14 | -2816 |
| Idyllwild | 05:57:26 | -28.3 | Dark | Up | 68.0 | 355.4 | Up | 05:55:46 - 05:59:06 | -2854 |
| Blythe | 05:57:17 | -29.2 | Dark | Up | 67.7 | 352.4 | Up | 05:55:37 - 05:58:57 | -2860 |
| Calipatria | 05:57:21 | -29.3 | Dark | Up | 67.3 | 353.8 | Up | 05:55:41 - 05:59:01 | -2914 |
| Yuma | 05:57:18 | -30.0 | Dark | Up | 66.7 | 352.7 | Up | 05:55:38 - 05:58:58 | -2955 |
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 517717, (2019/07/15 05:58UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 20.28 61 23Bet Dra 17:30:25.9 +52:18:05 2.8 3.37 75 PPM 036140 17:43:59.3 +53:48:07 5.7 2.80 76 PPM 036084 17:37:14.1 +55:44:29 7.9 1.08 78 PPM 035987 17:27:09.1 +55:22:44 9.7 0.45 78 PPM 036008 17:29:08.9 +55:44:55 11.0 0.10 78 517717 17:29:34.1 +55:40:26 16.6 78 Positions are for J2000
Event circumstances last updated at 2019/05/31 22:25:01 UT
Marc W. Buie, Southwest Research Institute