Event between (517717) 15KZ120 and star GA1300:04885287 with event index number of 267321
Geocentric closest approach at 2019/03/10 08:40:53 UTC
J2000 position of star is 18:14:30.1 +41:50:40
Equinox of date position of star is 18:15:06.2 +41:51:05
Stellar brightness G=13.8,
use SENSEUP=64
Star is 105 degrees from the moon.
Moon is 13% illuminated.
TNO apparent brightness V=19.6
[RECON map]
TNO is 8.4 AU from the Sun
and 8.4 AU from the Earth.
The TNO is moving 41.3
km/sec on the sky relative to the star, or,
24.3 arcsec/hr.
The 1-sigma error in the time of the event is 17 seconds.
The 1-sigma cross-track error in the shadow position is
423 km.
The sky-plane scale is
6117.4 km/arcsec.
The TNO has an absolute magnitude Hv=9.9
Diameter=63.1 km assuming a 5% albedo -- 1.5 sec chord
Diameter=25.8 km assuming a 30% albedo -- 0.6 sec chord
Dynamical classification is CENTAURR
Star training set for 517717, (2019/03/10 08:41UT) Object RA Dec mag sep mel Vega 18:37:35.3 +38:48:09 0.0 5.26 102 Etamin 17:57:03.1 +51:29:15 2.2 10.12 103 PPM 056954 18:16:14.6 +42:10:00 5.6 0.38 104 PPM 056920 18:13:43.7 +41:28:51 7.7 0.45 105 PPM 056954 18:16:14.6 +42:10:00 5.6 0.38 104 PPM 056934 18:14:22.4 +42:03:11 10.1 0.24 105 517717 18:15:06.2 +41:51:05 13.8 105 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 10.7 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) |
| Wildwood | 08:41:21 | -58.9 | Dark | Down | 19.2 | 51.9 | Really Low | 08:39:26 - 08:43:16 | 7719 |
| Calipatria | 08:41:14 | -58.9 | Dark | Down | 20.6 | 52.7 | Low | 08:39:19 - 08:43:09 | 7709 |
| Yuma | 08:41:12 | -59.0 | Dark | Down | 21.0 | 52.9 | Low | 08:39:17 - 08:43:07 | 7709 |
| Idyllwild | 08:41:17 | -58.7 | Dark | Down | 20.2 | 52.5 | Low | 08:39:22 - 08:43:12 | 7706 |
| CPSLO | 08:41:26 | -58.2 | Dark | Down | 18.7 | 51.4 | Really Low | 08:39:31 - 08:43:21 | 7694 |
| Blythe | 08:41:14 | -58.1 | Dark | Down | 21.6 | 53.2 | Low | 08:39:19 - 08:43:09 | 7674 |
| Parker | 08:41:15 | -57.5 | Dark | Down | 22.1 | 53.5 | Low | 08:39:20 - 08:43:10 | 7649 |
| Lake Havasu City | 08:41:15 | -57.2 | Dark | Down | 22.3 | 53.6 | Low | 08:39:20 - 08:43:10 | 7636 |
| Mohave Valley | 08:41:17 | -56.9 | Dark | Down | 22.3 | 53.7 | Low | 08:39:22 - 08:43:12 | 7625 |
| Laughlin/Bullhead City | 08:41:17 | -56.7 | Dark | Down | 22.5 | 53.7 | Low | 08:39:22 - 08:43:12 | 7615 |
| Lone Pine | 08:41:25 | -56.4 | Dark | Down | 21.1 | 52.8 | Low | 08:39:30 - 08:43:20 | 7610 |
| Searchlight/Boulder City | 08:41:18 | -56.5 | Dark | Down | 22.5 | 53.7 | Low | 08:39:23 - 08:43:13 | 7609 |
| Kingman/Dolan Springs | 08:41:16 | -56.5 | Dark | Down | 22.9 | 53.9 | Low | 08:39:21 - 08:43:11 | 7604 |
| Patrick | 08:41:17 | -56.2 | Dark | Down | 23.1 | 54.1 | Low | 08:39:22 - 08:43:12 | 7591 |
| DCO | 08:41:15 | -56.2 | Dark | Down | 23.4 | 54.2 | Low | 08:39:20 - 08:43:10 | 7589 |
| Henderson | 08:41:19 | -56.0 | Dark | Down | 22.8 | 53.9 | Low | 08:39:24 - 08:43:14 | 7587 |
| Bishop | 08:41:27 | -55.7 | Dark | Down | 21.4 | 52.9 | Low | 08:39:32 - 08:43:22 | 7581 |
| Beatty | 08:41:24 | -55.7 | Dark | Down | 22.1 | 53.5 | Low | 08:39:29 - 08:43:19 | 7579 |
| Indian Springs | 08:41:21 | -55.7 | Dark | Down | 22.6 | 53.8 | Low | 08:39:26 - 08:43:16 | 7576 |
| Lee Vining | 08:41:28 | -55.3 | Dark | Down | 21.3 | 52.8 | Low | 08:39:33 - 08:43:23 | 7563 |
| Tonopah | 08:41:27 | -54.8 | Dark | Down | 22.5 | 53.7 | Low | 08:39:32 - 08:43:22 | 7534 |
| Hawthorne | 08:41:29 | -54.6 | Dark | Down | 21.9 | 53.2 | Low | 08:39:34 - 08:43:24 | 7531 |
| Gardnerville | 08:41:32 | -54.5 | Dark | Down | 21.5 | 52.9 | Low | 08:39:37 - 08:43:27 | 7524 |
| Yerington | 08:41:31 | -54.3 | Dark | Down | 21.9 | 53.1 | Low | 08:39:36 - 08:43:26 | 7516 |
| Carson City | 08:41:32 | -54.2 | Dark | Down | 21.6 | 52.9 | Low | 08:39:37 - 08:43:27 | 7513 |
| Reno | 08:41:33 | -53.9 | Dark | Down | 21.8 | 53.0 | Low | 08:39:38 - 08:43:28 | 7496 |
| Portola | 08:41:34 | -53.7 | Dark | Down | 21.6 | 52.8 | Low | 08:39:39 - 08:43:29 | 7489 |
| Quincy | 08:41:35 | -53.7 | Dark | Down | 21.4 | 52.6 | Low | 08:39:40 - 08:43:30 | 7487 |
| Greenville | 08:41:35 | -53.5 | Dark | Down | 21.5 | 52.7 | Low | 08:39:40 - 08:43:30 | 7477 |
| Gimple | 08:41:35 | -53.5 | Dark | Down | 21.5 | 52.7 | Low | 08:39:40 - 08:43:30 | 7477 |
| Susanville | 08:41:35 | -53.2 | Dark | Down | 21.8 | 52.9 | Low | 08:39:40 - 08:43:30 | 7461 |
| Fall River/Burney | 08:41:38 | -52.7 | Dark | Down | 21.8 | 52.8 | Low | 08:39:43 - 08:43:33 | 7435 |
| Cedarville | 08:41:36 | -52.0 | Dark | Down | 22.8 | 53.5 | Low | 08:39:41 - 08:43:31 | 7400 |
| Tulelake | 08:41:39 | -51.8 | Dark | Down | 22.3 | 53.0 | Low | 08:39:44 - 08:43:34 | 7389 |
| Klamath Falls | 08:41:40 | -51.6 | Dark | Down | 22.3 | 53.0 | Low | 08:39:45 - 08:43:35 | 7377 |
| Lakeview | 08:41:38 | -51.4 | Dark | Down | 23.1 | 53.7 | Low | 08:39:43 - 08:43:33 | 7367 |
| Chiloquin | 08:41:41 | -51.2 | Dark | Down | 22.4 | 53.1 | Low | 08:39:46 - 08:43:36 | 7359 |
| Paisley | 08:41:40 | -50.9 | Dark | Down | 23.3 | 53.8 | Low | 08:39:45 - 08:43:35 | 7342 |
| North Lake | 08:41:41 | -50.4 | Dark | Down | 23.4 | 53.8 | Low | 08:39:46 - 08:43:36 | 7315 |
| La Pine/Gilchrist | 08:41:42 | -50.1 | Dark | Down | 23.3 | 53.6 | Low | 08:39:47 - 08:43:37 | 7295 |
| Oregon Observatory | 08:41:43 | -49.9 | Dark | Down | 23.4 | 53.7 | Low | 08:39:48 - 08:43:38 | 7284 |
| Bend | 08:41:42 | -49.7 | Dark | Down | 23.6 | 53.8 | Low | 08:39:47 - 08:43:37 | 7273 |
| Sisters | 08:41:43 | -49.5 | Dark | Down | 23.6 | 53.8 | Low | 08:39:48 - 08:43:38 | 7261 |
| Redmond | 08:41:43 | -49.5 | Dark | Down | 23.8 | 54.0 | Low | 08:39:48 - 08:43:38 | 7260 |
| Madras/Culver | 08:41:43 | -49.1 | Dark | Down | 24.1 | 54.2 | Low | 08:39:48 - 08:43:38 | 7239 |
| Maupin | 08:41:45 | -48.6 | Dark | Down | 24.4 | 54.4 | Low | 08:39:50 - 08:43:40 | 7207 |
| The Dalles | 08:41:46 | -48.2 | Dark | Down | 24.6 | 54.5 | Low | 08:39:51 - 08:43:41 | 7184 |
| SwRI | 08:41:15 | -48.8 | Dark | Down | 31.3 | 59.4 | Up | 08:39:20 - 08:43:10 | 7180 |
| Niwot | 08:41:15 | -48.7 | Dark | Down | 31.4 | 59.5 | Up | 08:39:20 - 08:43:10 | 7172 |
| Goldendale | 08:41:46 | -47.9 | Dark | Down | 24.9 | 54.8 | Low | 08:39:51 - 08:43:41 | 7168 |
| George/Umatilla | 08:41:44 | -47.6 | Dark | Down | 25.8 | 55.6 | Low | 08:39:49 - 08:43:39 | 7149 |
| PNWRO | 08:41:44 | -47.4 | Dark | Down | 26.1 | 55.8 | Low | 08:39:49 - 08:43:39 | 7139 |
| Toppenish/White Swan | 08:41:46 | -47.3 | Dark | Down | 25.5 | 55.2 | Low | 08:39:51 - 08:43:41 | 7131 |
| Pasco | 08:41:44 | -47.2 | Dark | Down | 26.2 | 55.8 | Low | 08:39:49 - 08:43:39 | 7127 |
| Yakima | 08:41:46 | -47.1 | Dark | Down | 25.5 | 55.2 | Low | 08:39:51 - 08:43:41 | 7120 |
| Ellensburg | 08:41:47 | -46.7 | Dark | Down | 25.8 | 55.4 | Low | 08:39:52 - 08:43:42 | 7095 |
| Wenatchee | 08:41:48 | -46.3 | Dark | Down | 26.1 | 55.7 | Low | 08:39:53 - 08:43:43 | 7068 |
| Entiat | 08:41:48 | -46.0 | Dark | Down | 26.3 | 55.8 | Low | 08:39:53 - 08:43:43 | 7051 |
| Manson/Chelan | 08:41:48 | -45.8 | Dark | Down | 26.5 | 55.9 | Low | 08:39:53 - 08:43:43 | 7037 |
| Brewster | 08:41:49 | -45.5 | Dark | Down | 26.8 | 56.2 | Low | 08:39:54 - 08:43:44 | 7021 |
| Okanogan | 08:41:48 | -45.2 | Dark | Down | 27.1 | 56.5 | Low | 08:39:53 - 08:43:43 | 7002 |
| Tonasket | 08:41:49 | -44.9 | Dark | Down | 27.4 | 56.7 | Low | 08:39:54 - 08:43:44 | 6979 |
| Oroville | 08:41:49 | -44.7 | Dark | Down | 27.5 | 56.8 | Low | 08:39:54 - 08:43:44 | 6964 |
| Anarchist Mountain Observatory | 08:41:49 | -44.6 | Dark | Down | 27.6 | 56.9 | Low | 08:39:54 - 08:43:44 | 6959 |
| Oliver | 08:41:50 | -44.4 | Dark | Down | 27.6 | 56.8 | Low | 08:39:55 - 08:43:45 | 6950 |
| Okanagan Falls | 08:41:50 | -44.3 | Dark | Down | 27.6 | 56.9 | Low | 08:39:55 - 08:43:45 | 6939 |
| Penticton | 08:41:51 | -44.1 | Dark | Down | 27.7 | 57.0 | Low | 08:39:56 - 08:43:46 | 6927 |
| Summerland | 08:41:50 | -44.0 | Dark | Down | 27.7 | 57.0 | Low | 08:39:55 - 08:43:45 | 6923 |
| Kelowna | 08:41:50 | -43.7 | Dark | Down | 28.0 | 57.2 | Low | 08:39:55 - 08:43:45 | 6902 |
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, (2019/03/10 08:41UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 5.26 102 Etamin 17:56:36.3 +51:29:20 2.2 10.12 103 PPM 056954 18:15:38.8 +42:09:34 5.6 0.38 104 PPM 056920 18:13:07.3 +41:28:29 7.7 0.45 105 PPM 056954 18:15:38.8 +42:09:34 5.6 0.38 104 PPM 056934 18:13:46.4 +42:02:47 10.1 0.24 105 517717 18:14:30.1 +41:50:40 13.8 105 Positions are for J2000
Event circumstances last updated at 2019/03/08 22:17:41 UT
Marc W. Buie, Southwest Research Institute