Event between (517717) 15KZ120 and star GA1480:05659867 with event index number of 267538
Geocentric closest approach at 2020/03/06 12:32:43 UTC
J2000 position of star is 19:11:09.7 +58:33:59
Equinox of date position of star is 19:11:29.5 +58:36:01
Stellar brightness G=14.8,
use SENSEUP=128
Star is 98 degrees from the moon.
Moon is 86% illuminated.
TNO apparent brightness V=19.9
[RECON map]
TNO is 8.6 AU from the Sun
and 8.7 AU from the Earth.
The TNO is moving 43.4
km/sec on the sky relative to the star, or,
24.7 arcsec/hr.
The 1-sigma error in the time of the event is 12 seconds.
The 1-sigma cross-track error in the shadow position is
419 km.
The sky-plane scale is
6326.0 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=60.3 km assuming a 5% albedo -- 1.4 sec chord
Diameter=24.6 km assuming a 30% albedo -- 0.6 sec chord
Dynamical classification is CENTAURR
Star training set for 517717, (2020/03/06 12:33UT) Object RA Dec mag sep mel Deneb 20:42:07.2 +45:21:12 1.3 19.07 113 Etamin 17:57:04.5 +51:29:14 2.2 12.75 100 54 Dra 19:14:16.6 +57:44:25 6.3 0.94 99 PPM 037181 19:11:50.3 +58:34:07 8.0 0.06 98 517717 19:11:29.8 +58:36:03 14.8 98 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 5.9 km
RECON observability=1.0 and success probability=1.2%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Klamath Falls | 12:31:55 | -23.1 | Dark | Up | 51.7 | 44.8 | Up | 12:30:27 - 12:33:23 | 2068 |
| Victoria | 12:32:11 | -22.4 | Dark | Up | 55.1 | 50.9 | Up | 12:30:43 - 12:33:39 | 2067 |
| Fall River/Burney | 12:31:53 | -23.1 | Dark | Up | 51.0 | 43.7 | Up | 12:30:25 - 12:33:21 | 2055 |
| CPSLO | 12:31:39 | -23.8 | Dark | Down | 47.1 | 39.3 | Up | 12:30:11 - 12:33:07 | 2045 |
| Quincy | 12:31:50 | -23.1 | Dark | Up | 50.4 | 42.8 | Up | 12:30:22 - 12:33:18 | 2034 |
| Greenville | 12:31:50 | -23.0 | Dark | Up | 50.6 | 43.0 | Up | 12:30:22 - 12:33:18 | 2032 |
| La Pine/Gilchrist | 12:31:59 | -22.6 | Dark | Up | 52.8 | 46.1 | Up | 12:30:31 - 12:33:27 | 2029 |
| Gimple | 12:31:50 | -23.0 | Dark | Up | 50.6 | 43.0 | Up | 12:30:22 - 12:33:18 | 2026 |
| Sisters | 12:32:00 | -22.4 | Dark | Up | 53.2 | 46.7 | Up | 12:30:32 - 12:33:28 | 2025 |
| Oregon Observatory | 12:31:59 | -22.5 | Dark | Up | 53.0 | 46.3 | Up | 12:30:31 - 12:33:27 | 2023 |
| Bend | 12:31:59 | -22.3 | Dark | Up | 53.2 | 46.5 | Up | 12:30:31 - 12:33:27 | 2011 |
| Susanville | 12:31:51 | -22.7 | Dark | Up | 50.9 | 43.2 | Up | 12:30:23 - 12:33:19 | 2009 |
| Portola | 12:31:49 | -22.7 | Dark | Up | 50.6 | 42.7 | Up | 12:30:21 - 12:33:17 | 2001 |
| Redmond | 12:32:00 | -22.2 | Dark | Up | 53.4 | 46.7 | Up | 12:30:32 - 12:33:28 | 1998 |
| North Lake | 12:31:57 | -22.2 | Dark | Up | 52.8 | 45.7 | Up | 12:30:29 - 12:33:25 | 1994 |
| The Dalles | 12:32:03 | -21.8 | Dark | Up | 54.3 | 48.0 | Up | 12:30:35 - 12:33:31 | 1979 |
| Maupin | 12:32:02 | -21.9 | Dark | Up | 54.1 | 47.6 | Up | 12:30:34 - 12:33:30 | 1979 |
| Paisley | 12:31:56 | -22.1 | Dark | Up | 52.6 | 45.2 | Up | 12:30:28 - 12:33:24 | 1976 |
| Lakeview | 12:31:54 | -22.1 | Dark | Up | 52.4 | 44.7 | Up | 12:30:26 - 12:33:22 | 1968 |
| Cedarville | 12:31:53 | -22.1 | Dark | Up | 52.0 | 44.1 | Up | 12:30:25 - 12:33:21 | 1963 |
| Carson City | 12:31:47 | -22.4 | Dark | Up | 50.5 | 42.1 | Up | 12:30:19 - 12:33:15 | 1957 |
| Reno | 12:31:48 | -22.3 | Dark | Up | 50.7 | 42.4 | Up | 12:30:20 - 12:33:16 | 1955 |
| Gardnerville | 12:31:47 | -22.4 | Dark | Up | 50.3 | 41.9 | Up | 12:30:19 - 12:33:15 | 1955 |
| Goldendale | 12:32:03 | -21.5 | Dark | Up | 54.7 | 48.3 | Up | 12:30:35 - 12:33:31 | 1952 |
| Yakima | 12:32:05 | -21.1 | Dark | Up | 55.3 | 49.1 | Up | 12:30:37 - 12:33:33 | 1923 |
| Ellensburg | 12:32:06 | -21.0 | Dark | Up | 55.6 | 49.6 | Up | 12:30:38 - 12:33:34 | 1916 |
| Toppenish/White Swan | 12:32:04 | -21.1 | Dark | Up | 55.2 | 48.9 | Up | 12:30:36 - 12:33:32 | 1915 |
| Lee Vining | 12:31:44 | -22.1 | Dark | Down | 49.9 | 41.1 | Up | 12:30:16 - 12:33:12 | 1915 |
| Yerington | 12:31:47 | -21.9 | Dark | Up | 50.7 | 41.9 | Up | 12:30:19 - 12:33:15 | 1911 |
| Wenatchee | 12:32:07 | -20.8 | Dark | Up | 56.0 | 50.1 | Up | 12:30:39 - 12:33:35 | 1895 |
| Wildwood | 12:31:36 | -22.4 | Dark | Down | 47.2 | 38.2 | Up | 12:30:08 - 12:33:04 | 1888 |
| Entiat | 12:32:07 | -20.6 | Dark | Up | 56.2 | 50.4 | Up | 12:30:39 - 12:33:35 | 1884 |
| Manson/Chelan | 12:32:08 | -20.5 | Dark | Up | 56.4 | 50.6 | Up | 12:30:40 - 12:33:36 | 1876 |
| Hawthorne | 12:31:45 | -21.6 | Dark | Down | 50.6 | 41.5 | Up | 12:30:17 - 12:33:13 | 1874 |
| Bishop | 12:31:43 | -21.7 | Dark | Down | 49.8 | 40.6 | Up | 12:30:15 - 12:33:11 | 1862 |
| Brewster | 12:32:08 | -20.2 | Dark | Up | 56.7 | 50.9 | Up | 12:30:40 - 12:33:36 | 1849 |
| Pasco | 12:32:03 | -20.3 | Dark | Up | 55.8 | 48.9 | Up | 12:30:35 - 12:33:31 | 1833 |
| Okanogan | 12:32:09 | -20.0 | Dark | Up | 57.0 | 51.3 | Up | 12:30:41 - 12:33:37 | 1832 |
| PNWRO | 12:32:03 | -20.2 | Dark | Up | 55.8 | 48.6 | Up | 12:30:35 - 12:33:31 | 1821 |
| Tonasket | 12:32:09 | -19.8 | Dark | Up | 57.2 | 51.7 | Up | 12:30:41 - 12:33:37 | 1817 |
| Oliver | 12:32:10 | -19.8 | Dark | Up | 57.5 | 52.3 | Up | 12:30:42 - 12:33:38 | 1817 |
| Summerland | 12:32:11 | -19.7 | Dark | Up | 57.7 | 52.8 | Up | 12:30:43 - 12:33:39 | 1816 |
| Penticton | 12:32:11 | -19.7 | Dark | Up | 57.7 | 52.7 | Up | 12:30:43 - 12:33:39 | 1810 |
| Anarchist Mountain Observatory | 12:32:10 | -19.7 | Dark | Up | 57.5 | 52.1 | Up | 12:30:42 - 12:33:38 | 1808 |
| Kelowna | 12:32:12 | -19.6 | Dark | Up | 57.9 | 53.1 | Up | 12:30:44 - 12:33:40 | 1800 |
| Clarence Fulton | 12:32:13 | -19.3 | Dark | Up | 58.3 | 53.6 | Up | 12:30:45 - 12:33:41 | 1783 |
| Tonopah | 12:31:44 | -20.6 | Dark | Down | 51.0 | 41.0 | Up | 12:30:16 - 12:33:12 | 1769 |
| Beatty | 12:31:41 | -20.5 | Dark | Down | 50.3 | 40.0 | Up | 12:30:13 - 12:33:09 | 1737 |
| Idyllwild | 12:31:34 | -20.9 | Dark | Down | 47.9 | 37.7 | Up | 12:30:06 - 12:33:02 | 1736 |
| Indian Springs | 12:31:39 | -19.7 | Dark | Down | 50.6 | 39.6 | Up | 12:30:11 - 12:33:07 | 1653 |
| Calipatria | 12:31:32 | -20.0 | Dark | Down | 48.0 | 37.1 | Up | 12:30:04 - 12:33:00 | 1638 |
| Henderson | 12:31:38 | -19.2 | Dark | Down | 50.5 | 39.1 | Up | 12:30:10 - 12:33:06 | 1597 |
| Searchlight/Boulder City | 12:31:37 | -19.2 | Dark | Down | 50.1 | 38.6 | Up | 12:30:09 - 12:33:05 | 1592 |
| Laughlin/Bullhead City | 12:31:36 | -19.0 | Dark | Down | 50.1 | 38.3 | Up | 12:30:08 - 12:33:04 | 1563 |
| Mohave Valley | 12:31:35 | -19.0 | Dark | Down | 49.9 | 38.1 | Up | 12:30:07 - 12:33:03 | 1563 |
| Yuma | 12:31:31 | -19.3 | Dark | Down | 48.1 | 36.6 | Up | 12:30:03 - 12:32:59 | 1562 |
| Blythe | 12:31:32 | -19.2 | Dark | Down | 48.8 | 37.2 | Up | 12:30:04 - 12:33:00 | 1562 |
| Lake Havasu City | 12:31:34 | -18.8 | Dark | Down | 49.7 | 37.8 | Up | 12:30:06 - 12:33:02 | 1541 |
| Parker | 12:31:33 | -18.9 | Dark | Down | 49.4 | 37.5 | Up | 12:30:05 - 12:33:01 | 1538 |
| Kingman/Dolan Springs | 12:31:36 | -18.5 | Dark | Down | 50.4 | 38.2 | Up | 12:30:08 - 12:33:04 | 1522 |
| Patrick | 12:31:36 | -18.4 | Dark | Down | 50.6 | 38.4 | Up | 12:30:08 - 12:33:04 | 1507 |
| DCO | 12:31:35 | -17.8 | AT | Down | 50.7 | 38.0 | Up | 12:30:07 - 12:33:03 | 1448 |
| George/Scottsdale | 12:31:31 | -16.9 | AT | Down | 50.3 | 36.7 | Up | 12:30:03 - 12:32:59 | 1334 |
| SwRI | 12:31:44 | -11.2 | NT | Down | 58.5 | 40.3 | Up | 12:30:16 - 12:33:12 | 832 |
| Niwot | 12:31:44 | -11.1 | NT | Down | 58.6 | 40.4 | Up | 12:30:16 - 12:33:12 | 825 |
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, (2020/03/06 12:33UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 19.07 113 Etamin 17:56:36.3 +51:29:20 2.2 12.75 100 54 Dra 19:13:55.1 +57:42:16 6.3 0.94 99 PPM 037181 19:11:30.2 +58:32:02 8.0 0.06 98 517717 19:11:09.7 +58:33:59 14.8 98 Positions are for J2000
Event circumstances last updated at 2019/11/26 22:21:25 UT
Marc W. Buie, Southwest Research Institute