Event between (514312) 16AE193 and star GA1020:03252229 with event index number of 252587
Geocentric closest approach at 2019/03/09 09:00:46 UTC
J2000 position of star is 08:54:35.8 +13:12:03
Equinox of date position of star is 08:55:36.7 +13:07:48
Stellar brightness G=14.1,
use SENSEUP=64
Star is 113 degrees from the moon.
Moon is 7% illuminated.
TNO apparent brightness V=20.6
[RECON map]
TNO is 17.3 AU from the Sun
and 16.5 AU from the Earth.
The TNO is moving 16.2
km/sec on the sky relative to the star, or,
4.9 arcsec/hr.
The 1-sigma error in the time of the event is 56 seconds.
The 1-sigma cross-track error in the shadow position is
716 km.
The sky-plane scale is
11956.2 km/arcsec.
The TNO has an absolute magnitude Hv=8.1
Diameter=144.5 km assuming a 5% albedo -- 8.9 sec chord
Diameter=59.0 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is CENTAURR
Star training set for 514312, (2019/03/09 09:01UT) Object RA Dec mag sep mel Regulus 10:09:23.5 +11:52:22 1.3 18.04 131 65Alp Cnc 08:59:32.1 +11:46:57 4.3 1.65 114 PPM 125847 08:53:27.2 +13:09:35 8.4 0.54 113 PPM 125875 08:55:01.3 +13:14:13 9.5 0.19 113 PPM 125900 08:55:57.4 +13:11:58 10.5 0.10 113 514312 08:55:39.1 +13:07:37 14.1 114 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 15.3 km
RECON observability=1.0 and success probability=6.4%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Penticton | 08:59:14 | -43.8 | Dark | Down | 36.4 | 244.7 | Up | 08:54:03 - 09:04:24 | 2643 |
| Oroville | 08:59:11 | -44.3 | Dark | Down | 36.6 | 245.2 | Up | 08:54:00 - 09:04:21 | 2607 |
| Tonasket | 08:59:10 | -44.5 | Dark | Down | 36.7 | 245.4 | Up | 08:53:59 - 09:04:20 | 2592 |
| Okanogan | 08:59:08 | -44.9 | Dark | Down | 36.9 | 245.4 | Up | 08:53:58 - 09:04:19 | 2566 |
| Brewster | 08:59:07 | -45.2 | Dark | Down | 37.2 | 245.4 | Up | 08:53:57 - 09:04:18 | 2543 |
| Manson/Chelan | 08:59:08 | -45.5 | Dark | Down | 37.5 | 245.2 | Up | 08:53:57 - 09:04:18 | 2520 |
| Entiat | 08:59:07 | -45.7 | Dark | Down | 37.6 | 245.3 | Up | 08:53:56 - 09:04:17 | 2504 |
| Wenatchee | 08:59:05 | -46.0 | Dark | Down | 37.8 | 245.4 | Up | 08:53:55 - 09:04:16 | 2484 |
| Ellensburg | 08:59:04 | -46.4 | Dark | Down | 38.1 | 245.5 | Up | 08:53:54 - 09:04:15 | 2450 |
| Pasco | 08:58:56 | -46.8 | Dark | Down | 37.5 | 247.3 | Up | 08:53:46 - 09:04:07 | 2436 |
| PNWRO | 08:58:54 | -47.0 | Dark | Down | 37.5 | 247.7 | Up | 08:53:44 - 09:04:05 | 2425 |
| Yakima | 08:59:02 | -46.8 | Dark | Down | 38.3 | 245.7 | Up | 08:53:51 - 09:04:12 | 2422 |
| Toppenish/White Swan | 08:59:01 | -47.0 | Dark | Down | 38.3 | 246.0 | Up | 08:53:50 - 09:04:11 | 2412 |
| George/Umatilla | 08:58:55 | -47.2 | Dark | Down | 37.8 | 247.3 | Up | 08:53:45 - 09:04:06 | 2408 |
| Niwot | 08:57:50 | -47.1 | Dark | Down | 29.5 | 262.4 | Low | 08:52:40 - 09:03:01 | 2379 |
| Goldendale | 08:58:59 | -47.6 | Dark | Down | 38.8 | 246.0 | Up | 08:53:48 - 09:04:09 | 2362 |
| The Dalles | 08:58:59 | -47.9 | Dark | Down | 39.1 | 245.9 | Up | 08:53:49 - 09:04:10 | 2337 |
| Maupin | 08:58:57 | -48.2 | Dark | Down | 39.2 | 246.3 | Up | 08:53:46 - 09:04:07 | 2310 |
| Madras/Culver | 08:58:54 | -48.8 | Dark | Down | 39.5 | 246.6 | Up | 08:53:44 - 09:04:05 | 2270 |
| Redmond | 08:58:53 | -49.1 | Dark | Down | 39.6 | 246.8 | Up | 08:53:42 - 09:04:03 | 2243 |
| Sisters | 08:58:54 | -49.2 | Dark | Down | 39.9 | 246.5 | Up | 08:53:44 - 09:04:05 | 2234 |
| Bend | 08:58:52 | -49.4 | Dark | Down | 39.8 | 246.9 | Up | 08:53:42 - 09:04:03 | 2224 |
| Oregon Observatory | 08:58:52 | -49.6 | Dark | Down | 40.0 | 246.9 | Up | 08:53:41 - 09:04:02 | 2208 |
| La Pine/Gilchrist | 08:58:51 | -49.8 | Dark | Down | 40.1 | 247.0 | Up | 08:53:40 - 09:04:01 | 2191 |
| North Lake | 08:58:47 | -50.1 | Dark | Down | 39.9 | 247.9 | Up | 08:53:36 - 09:03:57 | 2176 |
| Paisley | 08:58:44 | -50.5 | Dark | Down | 39.8 | 248.6 | Up | 08:53:33 - 09:03:54 | 2145 |
| Lakeview | 08:58:40 | -51.0 | Dark | Down | 39.9 | 249.2 | Up | 08:53:30 - 09:03:51 | 2113 |
| Chiloquin | 08:58:47 | -50.9 | Dark | Down | 40.8 | 247.5 | Up | 08:53:36 - 09:03:57 | 2099 |
| Klamath Falls | 08:58:45 | -51.2 | Dark | Down | 40.8 | 247.9 | Up | 08:53:35 - 09:03:56 | 2076 |
| Cedarville | 08:58:37 | -51.5 | Dark | Down | 40.0 | 249.8 | Up | 08:53:26 - 09:03:47 | 2068 |
| Tulelake | 08:58:43 | -51.4 | Dark | Down | 40.7 | 248.3 | Up | 08:53:33 - 09:03:54 | 2064 |
| Fall River/Burney | 08:58:39 | -52.3 | Dark | Down | 41.0 | 249.1 | Up | 08:53:28 - 09:03:49 | 1997 |
| Susanville | 08:58:33 | -52.7 | Dark | Down | 40.7 | 250.3 | Up | 08:53:22 - 09:03:43 | 1970 |
| Gimple | 08:58:32 | -53.0 | Dark | Down | 41.0 | 250.3 | Up | 08:53:22 - 09:03:43 | 1943 |
| Greenville | 08:58:33 | -53.0 | Dark | Down | 41.0 | 250.2 | Up | 08:53:22 - 09:03:43 | 1940 |
| Portola | 08:58:30 | -53.2 | Dark | Down | 40.8 | 250.9 | Up | 08:53:19 - 09:03:40 | 1929 |
| Reno | 08:58:27 | -53.3 | Dark | Down | 40.4 | 251.7 | Up | 08:53:16 - 09:03:37 | 1927 |
| Quincy | 08:58:32 | -53.2 | Dark | Down | 41.1 | 250.4 | Up | 08:53:22 - 09:03:43 | 1925 |
| Yerington | 08:58:22 | -53.7 | Dark | Down | 40.1 | 252.6 | Up | 08:53:11 - 09:03:32 | 1903 |
| Carson City | 08:58:25 | -53.7 | Dark | Down | 40.5 | 252.0 | Up | 08:53:14 - 09:03:35 | 1899 |
| Tonopah | 08:58:11 | -53.9 | Dark | Down | 39.0 | 254.9 | Up | 08:53:01 - 09:03:22 | 1887 |
| Hawthorne | 08:58:18 | -53.9 | Dark | Down | 39.9 | 253.4 | Up | 08:53:07 - 09:03:28 | 1882 |
| Gardnerville | 08:58:23 | -53.9 | Dark | Down | 40.6 | 252.2 | Up | 08:53:13 - 09:03:34 | 1882 |
| Lee Vining | 08:58:17 | -54.6 | Dark | Down | 40.4 | 253.5 | Up | 08:53:07 - 09:03:28 | 1823 |
| Indian Springs | 08:58:00 | -54.7 | Dark | Down | 38.2 | 257.2 | Up | 08:52:49 - 09:03:10 | 1815 |
| Beatty | 08:58:05 | -54.8 | Dark | Down | 38.9 | 256.2 | Up | 08:52:54 - 09:03:15 | 1809 |
| Bishop | 08:58:12 | -54.9 | Dark | Down | 40.0 | 254.5 | Up | 08:53:02 - 09:03:23 | 1797 |
| Henderson | 08:57:56 | -54.9 | Dark | Down | 37.8 | 258.1 | Up | 08:52:45 - 09:03:06 | 1793 |
| Patrick | 08:57:49 | -55.0 | Dark | Down | 37.0 | 259.3 | Up | 08:52:39 - 09:03:00 | 1776 |
| DCO | 08:57:46 | -54.9 | Dark | Down | 36.5 | 260.0 | Up | 08:52:35 - 09:02:56 | 1773 |
| Kingman/Dolan Springs | 08:57:49 | -55.2 | Dark | Down | 37.2 | 259.4 | Up | 08:52:38 - 09:02:59 | 1752 |
| Searchlight/Boulder City | 08:57:53 | -55.4 | Dark | Down | 37.8 | 258.6 | Up | 08:52:42 - 09:03:03 | 1749 |
| Lone Pine | 08:58:07 | -55.5 | Dark | Down | 40.0 | 255.4 | Up | 08:52:57 - 09:03:18 | 1746 |
| Laughlin/Bullhead City | 08:57:50 | -55.5 | Dark | Down | 37.6 | 259.0 | Up | 08:52:40 - 09:03:01 | 1735 |
| Mohave Valley | 08:57:49 | -55.7 | Dark | Down | 37.7 | 259.2 | Up | 08:52:39 - 09:03:00 | 1713 |
| Lake Havasu City | 08:57:46 | -56.0 | Dark | Down | 37.6 | 259.7 | Up | 08:52:36 - 09:02:57 | 1688 |
| Parker | 08:57:45 | -56.2 | Dark | Down | 37.6 | 260.0 | Up | 08:52:35 - 09:02:56 | 1660 |
| Blythe | 08:57:43 | -56.8 | Dark | Down | 37.9 | 260.2 | Up | 08:52:33 - 09:02:54 | 1608 |
| CPSLO | 08:58:10 | -57.5 | Dark | Down | 42.4 | 254.5 | Up | 08:53:00 - 09:03:21 | 1561 |
| Idyllwild | 08:57:51 | -57.6 | Dark | Down | 39.6 | 258.7 | Up | 08:52:40 - 09:03:01 | 1552 |
| Calipatria | 08:57:44 | -57.7 | Dark | Down | 38.8 | 259.9 | Up | 08:52:34 - 09:02:55 | 1538 |
| Yuma | 08:57:40 | -57.6 | Dark | Down | 38.1 | 260.9 | Up | 08:52:29 - 09:02:50 | 1530 |
| Wildwood | 08:57:58 | -58.0 | Dark | Down | 41.1 | 257.1 | Up | 08:52:48 - 09:03:09 | 1524 |
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 514312, (2019/03/09 09:01UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 18.04 131 65Alp Cnc 08:58:29.3 +11:51:27 4.3 1.65 114 PPM 125847 08:52:23.8 +13:13:58 8.4 0.54 113 PPM 125875 08:53:57.9 +13:18:39 9.5 0.19 113 PPM 125900 08:54:54.0 +13:16:24 10.5 0.10 113 514312 08:54:35.8 +13:12:03 14.1 113 Positions are for J2000
Event circumstances last updated at 2018/06/11 22:45:50 UT
Marc W. Buie, Southwest Research Institute