Event between (518151) 16FH13 and star GA1260:03577477 with event index number of 1125536
Geocentric closest approach at 2022/04/10 06:23:46 UTC
J2000 position of star is 12:38:17.6 +36:47:48
Equinox of date position of star is 12:39:16.1 +36:41:10
Stellar brightness G=16.0,
use SENSEUP=128
Star is 56 degrees from the moon.
Moon is 59% illuminated.
TNO apparent brightness V=21.9
[RECON map]
TNO is 15.0 AU from the Sun
and 14.3 AU from the Earth.
The TNO is moving 27.0
km/sec on the sky relative to the star, or,
9.4 arcsec/hr.
The 1-sigma error in the time of the event is 88 seconds.
The 1-sigma cross-track error in the shadow position is
3696 km.
The sky-plane scale is
10351.4 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=57.5 km assuming a 5% albedo -- 2.2 sec chord
Diameter=23.5 km assuming a 30% albedo -- 0.9 sec chord
Dynamical classification is CENTAURR
Star training set for 518151, (2022/04/10 06:24UT) Object RA Dec mag sep mel Arcturus 14:16:40.8 +19:04:07 0.0 27.64 82 Alkaid 13:48:25.0 +49:12:10 1.9 17.71 67 PPM 076636 12:40:21.7 +35:49:47 6.4 0.87 56 PPM 076581 12:36:16.0 +36:18:10 7.7 0.73 56 PPM 076644 12:41:01.6 +36:52:34 8.6 0.39 56 PPM 076623 12:38:57.3 +36:54:54 10.3 0.25 56 518151 12:39:22.3 +36:40:28 16.0 56 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 22.6 km
RECON observability=1.0 and success probability=11.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Clarence Fulton | 06:24:46 | -28.3 | Dark | Up | 73.1 | 137.4 | Up | 06:16:56 - 06:32:36 | 3297 |
| Kelowna | 06:24:46 | -28.6 | Dark | Up | 73.3 | 136.1 | Up | 06:16:56 - 06:32:36 | 3253 |
| Peachland | 06:24:47 | -28.6 | Dark | Up | 73.3 | 135.2 | Up | 06:16:57 - 06:32:37 | 3235 |
| Summerland | 06:24:47 | -28.8 | Dark | Up | 73.4 | 135.1 | Up | 06:16:57 - 06:32:37 | 3221 |
| Penticton | 06:24:46 | -28.9 | Dark | Up | 73.5 | 135.2 | Up | 06:16:56 - 06:32:36 | 3217 |
| Oliver | 06:24:46 | -29.2 | Dark | Up | 73.8 | 134.3 | Up | 06:16:56 - 06:32:36 | 3180 |
| Anarchist Mountain Observatory | 06:24:45 | -29.4 | Dark | Up | 74.0 | 134.3 | Up | 06:16:55 - 06:32:35 | 3167 |
| Tonasket | 06:24:45 | -29.7 | Dark | Up | 74.2 | 133.4 | Up | 06:16:55 - 06:32:35 | 3133 |
| Okanogan | 06:24:45 | -29.9 | Dark | Up | 74.3 | 132.2 | Up | 06:16:55 - 06:32:35 | 3094 |
| Brewster | 06:24:45 | -30.1 | Dark | Up | 74.4 | 131.0 | Up | 06:16:55 - 06:32:35 | 3061 |
| Manson/Chelan | 06:24:46 | -30.2 | Dark | Up | 74.3 | 129.6 | Up | 06:16:56 - 06:32:36 | 3030 |
| Victoria | 06:24:55 | -28.6 | Dark | Up | 72.2 | 124.5 | Up | 06:17:05 - 06:32:45 | 3027 |
| Entiat | 06:24:46 | -30.3 | Dark | Up | 74.4 | 128.8 | Up | 06:16:56 - 06:32:36 | 3006 |
| Wenatchee | 06:24:46 | -30.5 | Dark | Up | 74.5 | 127.8 | Up | 06:16:56 - 06:32:36 | 2976 |
| Ellensburg | 06:24:46 | -30.8 | Dark | Up | 74.7 | 126.1 | Up | 06:16:56 - 06:32:36 | 2928 |
| Yakima | 06:24:45 | -31.2 | Dark | Up | 74.9 | 124.9 | Up | 06:16:55 - 06:32:35 | 2884 |
| Pasco | 06:24:41 | -31.9 | Dark | Up | 75.9 | 127.1 | Up | 06:16:51 - 06:32:31 | 2883 |
| Toppenish/White Swan | 06:24:45 | -31.4 | Dark | Up | 75.1 | 124.6 | Up | 06:16:55 - 06:32:35 | 2866 |
| PNWRO | 06:24:40 | -32.2 | Dark | Up | 76.2 | 126.8 | Up | 06:16:50 - 06:32:30 | 2863 |
| Goldendale | 06:24:45 | -31.8 | Dark | Up | 75.2 | 121.9 | Up | 06:16:55 - 06:32:35 | 2797 |
| The Dalles | 06:24:46 | -31.8 | Dark | Up | 75.1 | 120.5 | Up | 06:16:56 - 06:32:36 | 2765 |
| Maupin | 06:24:45 | -32.2 | Dark | Up | 75.3 | 119.3 | Up | 06:16:55 - 06:32:35 | 2723 |
| Niwot | 06:23:54 | -41.1 | Dark | Up | 86.7 | 176.0 | Up | 06:16:04 - 06:31:44 | 2700 |
| SwRI | 06:23:54 | -41.2 | Dark | Up | 86.8 | 174.4 | Up | 06:16:04 - 06:31:44 | 2686 |
| Redmond | 06:24:45 | -33.0 | Dark | Up | 75.7 | 116.0 | Up | 06:16:55 - 06:32:35 | 2625 |
| Sisters | 06:24:46 | -32.8 | Dark | Up | 75.4 | 115.3 | Up | 06:16:56 - 06:32:36 | 2618 |
| Bend | 06:24:45 | -33.1 | Dark | Up | 75.7 | 115.0 | Up | 06:16:55 - 06:32:35 | 2599 |
| Oregon Observatory | 06:24:45 | -33.2 | Dark | Up | 75.7 | 114.1 | Up | 06:16:55 - 06:32:35 | 2577 |
| La Pine/Gilchrist | 06:24:45 | -33.4 | Dark | Up | 75.7 | 113.3 | Up | 06:16:55 - 06:32:35 | 2554 |
| North Lake | 06:24:43 | -34.0 | Dark | Up | 76.3 | 112.7 | Up | 06:16:53 - 06:32:33 | 2523 |
| Paisley | 06:24:41 | -34.6 | Dark | Up | 76.7 | 111.2 | Up | 06:16:51 - 06:32:31 | 2473 |
| Lakeview | 06:24:40 | -35.1 | Dark | Up | 77.1 | 109.5 | Up | 06:16:50 - 06:32:30 | 2424 |
| Klamath Falls | 06:24:44 | -34.5 | Dark | Up | 76.1 | 107.4 | Up | 06:16:54 - 06:32:34 | 2393 |
| Cedarville | 06:24:39 | -35.7 | Dark | Up | 77.4 | 107.1 | Up | 06:16:49 - 06:32:29 | 2359 |
| Fall River/Burney | 06:24:42 | -35.7 | Dark | Up | 76.6 | 103.2 | Up | 06:16:52 - 06:32:32 | 2277 |
| Susanville | 06:24:39 | -36.5 | Dark | Up | 77.3 | 101.6 | Up | 06:16:49 - 06:32:29 | 2229 |
| Gimple | 06:24:39 | -36.6 | Dark | Up | 77.2 | 100.1 | Up | 06:16:49 - 06:32:29 | 2194 |
| Greenville | 06:24:39 | -36.6 | Dark | Up | 77.1 | 100.0 | Up | 06:16:49 - 06:32:29 | 2192 |
| Quincy | 06:24:39 | -36.8 | Dark | Up | 77.2 | 99.1 | Up | 06:16:49 - 06:32:29 | 2171 |
| Portola | 06:24:37 | -37.1 | Dark | Up | 77.6 | 99.1 | Up | 06:16:47 - 06:32:27 | 2170 |
| Reno | 06:24:35 | -37.5 | Dark | Up | 78.1 | 98.7 | Up | 06:16:45 - 06:32:25 | 2159 |
| Carson City | 06:24:34 | -37.9 | Dark | Up | 78.1 | 97.0 | Up | 06:16:44 - 06:32:24 | 2122 |
| Yerington | 06:24:32 | -38.3 | Dark | Up | 78.7 | 96.7 | Up | 06:16:42 - 06:32:22 | 2118 |
| Gardnerville | 06:24:34 | -38.1 | Dark | Up | 78.2 | 95.9 | Up | 06:16:44 - 06:32:24 | 2097 |
| Hawthorne | 06:24:30 | -38.9 | Dark | Up | 79.1 | 94.9 | Up | 06:16:40 - 06:32:20 | 2084 |
| Tonopah | 06:24:25 | -39.8 | Dark | Up | 80.2 | 93.7 | Up | 06:16:35 - 06:32:15 | 2076 |
| Lee Vining | 06:24:31 | -39.2 | Dark | Up | 78.8 | 91.6 | Up | 06:16:41 - 06:32:21 | 2011 |
| Beatty | 06:24:22 | -41.0 | Dark | Up | 80.6 | 87.1 | Up | 06:16:32 - 06:32:12 | 1969 |
| Indian Springs | 06:24:19 | -41.7 | Dark | Up | 81.4 | 85.3 | Up | 06:16:29 - 06:32:09 | 1969 |
| Bishop | 06:24:28 | -40.0 | Dark | Up | 79.3 | 89.0 | Up | 06:16:38 - 06:32:18 | 1969 |
| Henderson | 06:24:15 | -42.4 | Dark | Up | 81.9 | 81.7 | Up | 06:16:25 - 06:32:05 | 1936 |
| Patrick | 06:24:11 | -43.4 | Dark | Up | 82.7 | 76.5 | Up | 06:16:21 - 06:32:01 | 1909 |
| DCO | 06:24:09 | -43.9 | Dark | Up | 83.1 | 73.3 | Up | 06:16:19 - 06:31:59 | 1902 |
| Kingman/Dolan Springs | 06:24:12 | -43.5 | Dark | Up | 82.5 | 75.0 | Up | 06:16:22 - 06:32:02 | 1880 |
| Searchlight/Boulder City | 06:24:15 | -43.0 | Dark | Up | 81.9 | 77.7 | Up | 06:16:25 - 06:32:05 | 1879 |
| Laughlin/Bullhead City | 06:24:13 | -43.3 | Dark | Up | 82.1 | 75.4 | Up | 06:16:23 - 06:32:03 | 1860 |
| Mohave Valley | 06:24:13 | -43.6 | Dark | Up | 82.0 | 73.5 | Up | 06:16:23 - 06:32:03 | 1832 |
| George/Scottsdale | 06:24:02 | -45.6 | Dark | Up | 83.6 | 59.5 | Up | 06:16:12 - 06:31:52 | 1806 |
| Lake Havasu City | 06:24:11 | -44.0 | Dark | Up | 82.0 | 70.5 | Up | 06:16:21 - 06:32:01 | 1799 |
| Parker | 06:24:11 | -44.4 | Dark | Up | 81.9 | 68.1 | Up | 06:16:21 - 06:32:01 | 1764 |
| Blythe | 06:24:11 | -44.7 | Dark | Up | 81.5 | 65.3 | Up | 06:16:21 - 06:32:01 | 1700 |
| CPSLO | 06:24:32 | -40.8 | Dark | Up | 77.3 | 78.7 | Up | 06:16:42 - 06:32:22 | 1689 |
| Idyllwild | 06:24:18 | -43.8 | Dark | Up | 79.9 | 68.9 | Up | 06:16:28 - 06:32:08 | 1642 |
| Wildwood | 06:24:24 | -42.7 | Dark | Up | 78.6 | 72.4 | Up | 06:16:34 - 06:32:14 | 1621 |
| Calipatria | 06:24:13 | -44.8 | Dark | Up | 80.6 | 64.1 | Up | 06:16:23 - 06:32:03 | 1618 |
| Yuma | 06:24:10 | -45.5 | Dark | Up | 81.0 | 60.0 | Up | 06:16:20 - 06:32:00 | 1604 |
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 518151, (2022/04/10 06:24UT) Object RA Dec mag sep mel Arcturus 14:15:38.1 +19:10:16 0.0 27.64 82 Alkaid 13:47:32.2 +49:18:48 1.9 17.71 67 PPM 076636 12:39:16.9 +35:57:07 6.4 0.87 56 PPM 076581 12:35:10.9 +36:25:31 7.7 0.73 56 PPM 076644 12:39:57.0 +36:59:53 8.6 0.39 56 PPM 076623 12:37:52.6 +37:02:14 10.3 0.25 56 518151 12:38:17.6 +36:47:48 16.0 56 Positions are for J2000
Event circumstances last updated at 2020/02/23 23:56:42 UT
Marc W. Buie, Southwest Research Institute