Event between (434194) 03FK127 and star GA0860:04144506 with event index number of 1140555
Geocentric closest approach at 2022/04/01 05:46:36 UTC
J2000 position of star is 12:57:23.5 -03:45:49
Equinox of date position of star is 12:58:23.0 -03:52:02
Stellar brightness G=11.7,
use SENSEUP=8
Star is 176 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=23.0
[RECON map]
TNO is 40.5 AU from the Sun
and 39.5 AU from the Earth.
The TNO is moving 25.0
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 329 seconds.
The 1-sigma cross-track error in the shadow position is
5796 km.
The sky-plane scale is
28664.5 km/arcsec.
The TNO has an absolute magnitude Hv=7.0
Diameter=239.9 km assuming a 5% albedo -- 9.6 sec chord
Diameter=97.9 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 434194, (2022/04/01 05:47UT) Object RA Dec mag sep mel Spica 13:26:22.1 -11:16:36 1.0 10.11 166 44 Vir 13:00:48.4 -03:55:53 5.8 0.57 176 PPM 196023 13:00:03.2 -04:03:09 8.4 0.41 176 PPM 195989 12:57:40.6 -03:42:34 9.2 0.28 177 434194 12:58:32.4 -03:53:01 11.7 176 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
2.7 sigma about the mid-time.
The median site spacing is 19.1 km
RECON observability=1.0 and success probability=6.5%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Kelowna | 05:49:25 | -28.5 | Dark | Down | 27.7 | 137.5 | Low | 05:34:25 - 06:04:25 | -1673 |
Summerland | 05:49:25 | -28.7 | Dark | Down | 27.8 | 137.2 | Low | 05:34:25 - 06:04:25 | -1704 |
Penticton | 05:49:25 | -28.8 | Dark | Down | 27.9 | 137.2 | Low | 05:34:25 - 06:04:25 | -1707 |
Okanagan Falls | 05:49:25 | -28.9 | Dark | Down | 28.0 | 137.2 | Low | 05:34:25 - 06:04:25 | -1723 |
Oliver | 05:49:25 | -29.0 | Dark | Down | 28.1 | 137.1 | Low | 05:34:25 - 06:04:25 | -1736 |
Anarchist Mountain Observatory | 05:49:25 | -29.3 | Dark | Down | 28.3 | 137.3 | Low | 05:34:25 - 06:04:25 | -1745 |
Oroville | 05:49:25 | -29.3 | Dark | Down | 28.4 | 137.1 | Low | 05:34:25 - 06:04:25 | -1753 |
Tonasket | 05:49:26 | -29.5 | Dark | Down | 28.5 | 137.1 | Low | 05:34:26 - 06:04:26 | -1772 |
Okanogan | 05:49:26 | -29.7 | Dark | Down | 28.7 | 136.8 | Low | 05:34:26 - 06:04:26 | -1804 |
Brewster | 05:49:28 | -29.8 | Dark | Down | 28.8 | 136.5 | Low | 05:34:28 - 06:04:28 | -1832 |
Manson/Chelan | 05:49:28 | -29.8 | Dark | Down | 28.8 | 136.0 | Low | 05:34:28 - 06:04:28 | -1859 |
Entiat | 05:49:28 | -29.9 | Dark | Down | 28.9 | 135.9 | Low | 05:34:28 - 06:04:28 | -1879 |
Wenatchee | 05:49:28 | -30.1 | Dark | Down | 29.1 | 135.7 | Low | 05:34:28 - 06:04:28 | -1903 |
Ellensburg | 05:49:29 | -30.3 | Dark | Down | 29.3 | 135.3 | Low | 05:34:29 - 06:04:29 | -1944 |
Pasco | 05:49:27 | -31.5 | Dark | Down | 30.5 | 136.4 | Up | 05:34:27 - 06:04:27 | -1970 |
Yakima | 05:49:30 | -30.6 | Dark | Down | 29.5 | 135.1 | Low | 05:34:30 - 06:04:30 | -1979 |
PNWRO | 05:49:26 | -31.8 | Dark | Down | 30.8 | 136.6 | Up | 05:34:26 - 06:04:26 | -1985 |
Toppenish/White Swan | 05:49:30 | -30.9 | Dark | Down | 29.8 | 135.2 | Low | 05:34:30 - 06:04:30 | -1993 |
George/Umatilla | 05:49:28 | -31.7 | Dark | Down | 30.6 | 136.1 | Up | 05:34:28 - 06:04:28 | -2004 |
Goldendale | 05:49:32 | -31.1 | Dark | Down | 30.0 | 134.6 | Low | 05:34:32 - 06:04:32 | -2052 |
The Dalles | 05:49:31 | -31.1 | Dark | Down | 29.9 | 134.1 | Low | 05:34:31 - 06:04:31 | -2081 |
Niwot | 05:48:52 | -42.1 | Dark | Down | 41.4 | 149.1 | Up | 05:33:52 - 06:03:52 | -2083 |
SwRI | 05:48:53 | -42.1 | Dark | Down | 41.5 | 148.9 | Up | 05:33:53 - 06:03:53 | -2095 |
Maupin | 05:49:32 | -31.4 | Dark | Down | 30.3 | 134.0 | Up | 05:34:32 - 06:04:32 | -2114 |
Madras/Culver | 05:49:33 | -31.8 | Dark | Down | 30.6 | 133.8 | Up | 05:34:33 - 06:04:33 | -2163 |
Redmond | 05:49:33 | -32.1 | Dark | Down | 30.9 | 133.6 | Up | 05:34:33 - 06:04:33 | -2196 |
Sisters | 05:49:33 | -31.9 | Dark | Down | 30.6 | 133.2 | Up | 05:34:33 - 06:04:33 | -2205 |
Bend | 05:49:33 | -32.2 | Dark | Down | 30.9 | 133.3 | Up | 05:34:33 - 06:04:33 | -2219 |
Oregon Observatory | 05:49:34 | -32.2 | Dark | Down | 31.0 | 133.1 | Up | 05:34:34 - 06:04:34 | -2238 |
La Pine/Gilchrist | 05:49:34 | -32.4 | Dark | Down | 31.1 | 133.0 | Up | 05:34:34 - 06:04:34 | -2258 |
North Lake | 05:49:33 | -33.0 | Dark | Down | 31.7 | 133.4 | Up | 05:34:33 - 06:04:33 | -2280 |
Paisley | 05:49:32 | -33.6 | Dark | Down | 32.3 | 133.5 | Up | 05:34:32 - 06:04:32 | -2319 |
Lakeview | 05:49:32 | -34.0 | Dark | Down | 32.7 | 133.5 | Up | 05:34:32 - 06:04:32 | -2359 |
Chiloquin | 05:49:36 | -33.0 | Dark | Down | 31.7 | 132.1 | Up | 05:34:36 - 06:04:36 | -2367 |
Klamath Falls | 05:49:36 | -33.3 | Dark | Down | 31.9 | 132.1 | Up | 05:34:36 - 06:04:36 | -2396 |
Tulelake | 05:49:35 | -33.6 | Dark | Down | 32.3 | 132.2 | Up | 05:34:35 - 06:04:35 | -2412 |
Cedarville | 05:49:31 | -34.6 | Dark | Down | 33.3 | 133.3 | Up | 05:34:31 - 06:04:31 | -2414 |
Fall River/Burney | 05:49:35 | -34.3 | Dark | Down | 32.9 | 131.9 | Up | 05:34:35 - 06:04:35 | -2492 |
Susanville | 05:49:34 | -35.2 | Dark | Down | 33.8 | 132.3 | Up | 05:34:34 - 06:04:34 | -2528 |
Gimple | 05:49:35 | -35.3 | Dark | Down | 33.8 | 132.0 | Up | 05:34:35 - 06:04:35 | -2560 |
Greenville | 05:49:35 | -35.2 | Dark | Down | 33.8 | 131.9 | Up | 05:34:35 - 06:04:35 | -2562 |
Portola | 05:49:34 | -35.7 | Dark | Down | 34.3 | 132.2 | Up | 05:34:34 - 06:04:34 | -2578 |
Quincy | 05:49:35 | -35.4 | Dark | Down | 33.9 | 131.8 | Up | 05:34:35 - 06:04:35 | -2581 |
Reno | 05:49:31 | -36.2 | Dark | Down | 34.8 | 132.7 | Up | 05:34:31 - 06:04:31 | -2584 |
Yerington | 05:49:30 | -37.0 | Dark | Down | 35.6 | 133.1 | Up | 05:34:30 - 06:04:30 | -2615 |
Carson City | 05:49:32 | -36.5 | Dark | Down | 35.1 | 132.5 | Up | 05:34:32 - 06:04:32 | -2616 |
Gardnerville | 05:49:32 | -36.7 | Dark | Down | 35.3 | 132.4 | Up | 05:34:32 - 06:04:32 | -2637 |
Hawthorne | 05:49:30 | -37.6 | Dark | Down | 36.2 | 133.3 | Up | 05:34:30 - 06:04:30 | -2642 |
Tonopah | 05:49:26 | -38.7 | Dark | Down | 37.3 | 134.5 | Up | 05:34:26 - 06:04:26 | -2643 |
Lee Vining | 05:49:31 | -37.8 | Dark | Down | 36.3 | 132.6 | Up | 05:34:31 - 06:04:31 | -2709 |
Indian Springs | 05:49:22 | -40.6 | Dark | Down | 39.2 | 135.3 | Up | 05:34:22 - 06:04:22 | -2732 |
Beatty | 05:49:25 | -39.8 | Dark | Down | 38.4 | 134.4 | Up | 05:34:25 - 06:04:25 | -2735 |
Bishop | 05:49:29 | -38.6 | Dark | Down | 37.1 | 133.0 | Up | 05:34:29 - 06:04:29 | -2743 |
Henderson | 05:49:21 | -41.4 | Dark | Down | 40.0 | 135.7 | Up | 05:34:21 - 06:04:21 | -2759 |
Patrick | 05:49:17 | -42.4 | Dark | Down | 41.1 | 136.6 | Up | 05:34:17 - 06:04:17 | -2782 |
DCO | 05:49:15 | -43.0 | Dark | Down | 41.7 | 137.1 | Up | 05:34:15 - 06:04:15 | -2787 |
Lone Pine | 05:49:28 | -39.3 | Dark | Down | 37.8 | 132.9 | Up | 05:34:28 - 06:04:28 | -2804 |
Kingman/Dolan Springs | 05:49:17 | -42.5 | Dark | Down | 41.1 | 136.2 | Up | 05:34:17 - 06:04:17 | -2808 |
Searchlight/Boulder City | 05:49:21 | -41.8 | Dark | Down | 40.4 | 135.5 | Up | 05:34:21 - 06:04:21 | -2811 |
Laughlin/Bullhead City | 05:49:20 | -42.3 | Dark | Down | 40.8 | 135.6 | Up | 05:34:20 - 06:04:20 | -2827 |
Mohave Valley | 05:49:20 | -42.5 | Dark | Down | 41.0 | 135.5 | Up | 05:34:20 - 06:04:20 | -2853 |
Lake Havasu City | 05:49:19 | -42.9 | Dark | Down | 41.5 | 135.5 | Up | 05:34:19 - 06:04:19 | -2882 |
Parker | 05:49:19 | -43.2 | Dark | Down | 41.7 | 135.3 | Up | 05:34:19 - 06:04:19 | -2914 |
Blythe | 05:49:19 | -43.4 | Dark | Down | 41.9 | 134.7 | Up | 05:34:19 - 06:04:19 | -2973 |
CPSLO | 05:49:35 | -38.8 | Dark | Down | 37.1 | 129.6 | Up | 05:34:35 - 06:04:35 | -3007 |
Idyllwild | 05:49:25 | -42.2 | Dark | Down | 40.6 | 132.5 | Up | 05:34:25 - 06:04:25 | -3032 |
Calipatria | 05:49:22 | -43.3 | Dark | Down | 41.7 | 133.4 | Up | 05:34:22 - 06:04:22 | -3051 |
Wildwood | 05:49:30 | -40.9 | Dark | Down | 39.2 | 130.8 | Up | 05:34:30 - 06:04:30 | -3058 |
Yuma | 05:49:19 | -44.1 | Dark | Down | 42.5 | 134.0 | Up | 05:34:19 - 06:04:19 | -3062 |
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 434194, (2022/04/01 05:47UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 10.11 166 44 Vir 12:59:39.5 -03:48:43 5.8 0.57 176 PPM 196023 12:58:54.3 -03:55:58 8.4 0.41 176 PPM 195989 12:56:31.7 -03:35:22 9.2 0.28 177 434194 12:57:23.5 -03:45:49 11.7 176 Positions are for J2000
Event circumstances last updated at 2019/03/16 01:34:59 UT
Marc W. Buie, Southwest Research Institute