Event between (455206) 01FE193 and star GA0800:04425742 with event index number of 261664
Geocentric closest approach at 2020/05/04 09:41:59 UTC
J2000 position of star is 13:48:20.2 -08:41:13
Equinox of date position of star is 13:49:19.9 -08:46:49
Stellar brightness G=16.6,
use SENSEUP=128
Star is 27 degrees from the moon.
Moon is 87% illuminated.
TNO apparent brightness V=23.7
[RECON map]
TNO is 44.5 AU from the Sun
and 43.6 AU from the Earth.
The TNO is moving 24.0
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 326 seconds.
The 1-sigma cross-track error in the shadow position is
3313 km.
The sky-plane scale is
31590.6 km/arcsec.
The TNO has an absolute magnitude Hv=7.2
Diameter=218.8 km assuming a 5% albedo -- 9.1 sec chord
Diameter=89.3 km assuming a 30% albedo -- 3.7 sec chord
Dynamical classification is CLASSICAL
Star training set for 455206, (2020/05/04 09:42UT) Object RA Dec mag sep mel Spica 13:26:16.1 -11:16:01 1.0 6.21 23 PPM 196876 13:48:18.1 -09:48:38 6.2 1.06 27 PPM 196903 13:49:53.7 -08:17:29 7.8 0.51 27 PPM 196891 13:49:03.3 -08:53:26 9.0 0.14 27 455206 13:49:24.7 -08:47:16 16.6 27 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
2.8 sigma about the mid-time.
The median site spacing is 11.1 km
RECON observability=1.0 and success probability=0.1%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 09:41:27 | -19.8 | Dark | Up | 21.1 | 224.8 | Low | 09:26:27 - 09:56:27 | 14624 |
| Summerland | 09:41:28 | -20.0 | Dark | Up | 21.3 | 224.4 | Low | 09:26:28 - 09:56:28 | 14618 |
| Penticton | 09:41:26 | -20.2 | Dark | Up | 21.5 | 224.7 | Low | 09:26:26 - 09:56:26 | 14608 |
| Okanagan Falls | 09:41:25 | -20.4 | Dark | Up | 21.6 | 224.7 | Low | 09:26:25 - 09:56:25 | 14600 |
| Oliver | 09:41:26 | -20.5 | Dark | Up | 21.7 | 224.8 | Low | 09:26:26 - 09:56:26 | 14594 |
| Anarchist Mountain Observatory | 09:41:25 | -20.6 | Dark | Up | 21.7 | 225.0 | Low | 09:26:25 - 09:56:25 | 14590 |
| Oroville | 09:41:24 | -20.7 | Dark | Up | 21.8 | 225.0 | Low | 09:26:24 - 09:56:24 | 14586 |
| Tonasket | 09:41:24 | -20.9 | Dark | Up | 22.0 | 225.0 | Low | 09:26:24 - 09:56:24 | 14577 |
| Okanogan | 09:41:24 | -21.3 | Dark | Up | 22.3 | 225.0 | Low | 09:26:24 - 09:56:24 | 14561 |
| Brewster | 09:41:23 | -21.6 | Dark | Up | 22.6 | 224.9 | Low | 09:26:23 - 09:56:23 | 14548 |
| Manson/Chelan | 09:41:23 | -21.9 | Dark | Up | 22.9 | 224.6 | Low | 09:26:23 - 09:56:23 | 14534 |
| Entiat | 09:41:23 | -22.1 | Dark | Up | 23.1 | 224.6 | Low | 09:26:23 - 09:56:23 | 14524 |
| Wenatchee | 09:41:22 | -22.4 | Dark | Up | 23.3 | 224.6 | Low | 09:26:22 - 09:56:22 | 14512 |
| Ellensburg | 09:41:22 | -22.8 | Dark | Up | 23.7 | 224.5 | Low | 09:26:22 - 09:56:22 | 14492 |
| Pasco | 09:41:16 | -23.0 | Dark | Up | 23.6 | 226.0 | Low | 09:26:16 - 09:56:16 | 14477 |
| Yakima | 09:41:19 | -23.2 | Dark | Up | 24.0 | 224.6 | Low | 09:26:19 - 09:56:19 | 14474 |
| PNWRO | 09:41:15 | -23.1 | Dark | Up | 23.6 | 226.3 | Low | 09:26:15 - 09:56:15 | 14469 |
| Toppenish/White Swan | 09:41:19 | -23.3 | Dark | Up | 24.1 | 224.8 | Low | 09:26:19 - 09:56:19 | 14466 |
| George/Umatilla | 09:41:15 | -23.4 | Dark | Up | 23.9 | 225.9 | Low | 09:26:15 - 09:56:15 | 14459 |
| Goldendale | 09:41:18 | -23.9 | Dark | Up | 24.7 | 224.6 | Low | 09:26:18 - 09:56:18 | 14436 |
| The Dalles | 09:41:18 | -24.2 | Dark | Up | 25.1 | 224.3 | Low | 09:26:18 - 09:56:18 | 14421 |
| Maupin | 09:41:17 | -24.6 | Dark | Up | 25.3 | 224.5 | Low | 09:26:17 - 09:56:17 | 14403 |
| Madras/Culver | 09:41:16 | -25.1 | Dark | Up | 25.7 | 224.7 | Low | 09:26:16 - 09:56:16 | 14376 |
| Redmond | 09:41:15 | -25.4 | Dark | Up | 26.0 | 224.7 | Low | 09:26:15 - 09:56:15 | 14358 |
| Sisters | 09:41:15 | -25.5 | Dark | Up | 26.2 | 224.4 | Low | 09:26:15 - 09:56:15 | 14354 |
| Bend | 09:41:15 | -25.7 | Dark | Up | 26.2 | 224.7 | Low | 09:26:15 - 09:56:15 | 14346 |
| Oregon Observatory | 09:41:15 | -25.9 | Dark | Up | 26.4 | 224.6 | Low | 09:26:15 - 09:56:15 | 14336 |
| La Pine/Gilchrist | 09:41:15 | -26.1 | Dark | Up | 26.6 | 224.6 | Low | 09:26:15 - 09:56:15 | 14325 |
| Niwot | 09:40:25 | -22.2 | Dark | Up | 19.3 | 239.8 | Really Low | 09:25:25 - 09:55:25 | 14317 |
| North Lake | 09:41:11 | -26.3 | Dark | Up | 26.6 | 225.3 | Low | 09:26:11 - 09:56:11 | 14312 |
| Paisley | 09:41:09 | -26.6 | Dark | Up | 26.8 | 225.9 | Low | 09:26:09 - 09:56:09 | 14289 |
| Lakeview | 09:41:07 | -27.0 | Dark | Up | 27.1 | 226.2 | Low | 09:26:07 - 09:56:07 | 14266 |
| Chiloquin | 09:41:12 | -27.2 | Dark | Up | 27.6 | 224.7 | Low | 09:26:12 - 09:56:12 | 14264 |
| Klamath Falls | 09:41:11 | -27.5 | Dark | Up | 27.8 | 224.9 | Low | 09:26:11 - 09:56:11 | 14247 |
| Tulelake | 09:41:09 | -27.6 | Dark | Up | 27.8 | 225.3 | Low | 09:26:09 - 09:56:09 | 14238 |
| Cedarville | 09:41:04 | -27.5 | Dark | Up | 27.4 | 226.6 | Low | 09:26:04 - 09:56:04 | 14234 |
| Fall River/Burney | 09:41:07 | -28.4 | Dark | Up | 28.4 | 225.7 | Low | 09:26:07 - 09:56:07 | 14191 |
| Susanville | 09:41:03 | -28.7 | Dark | Up | 28.5 | 226.6 | Low | 09:26:03 - 09:56:03 | 14167 |
| Gimple | 09:41:02 | -29.0 | Dark | Up | 28.8 | 226.5 | Low | 09:26:02 - 09:56:02 | 14149 |
| Greenville | 09:41:03 | -29.0 | Dark | Up | 28.8 | 226.4 | Low | 09:26:03 - 09:56:03 | 14148 |
| Portola | 09:41:00 | -29.2 | Dark | Up | 28.8 | 227.0 | Low | 09:26:00 - 09:56:00 | 14137 |
| Quincy | 09:41:02 | -29.2 | Dark | Up | 28.9 | 226.5 | Low | 09:26:02 - 09:56:02 | 14137 |
| Reno | 09:40:58 | -29.2 | Dark | Up | 28.6 | 227.7 | Low | 09:25:58 - 09:55:58 | 14131 |
| Carson City | 09:40:57 | -29.5 | Dark | Up | 28.8 | 227.9 | Low | 09:25:57 - 09:55:57 | 14112 |
| Yerington | 09:40:53 | -29.4 | Dark | Up | 28.6 | 228.5 | Low | 09:25:53 - 09:55:53 | 14110 |
| Gardnerville | 09:40:56 | -29.7 | Dark | Up | 29.0 | 228.0 | Low | 09:25:56 - 09:55:56 | 14098 |
| Hawthorne | 09:40:50 | -29.6 | Dark | Up | 28.6 | 229.2 | Low | 09:25:50 - 09:55:50 | 14090 |
| Tonopah | 09:40:45 | -29.4 | Dark | Up | 28.1 | 230.6 | Low | 09:25:45 - 09:55:45 | 14083 |
| Lee Vining | 09:40:51 | -30.3 | Dark | Up | 29.2 | 229.0 | Low | 09:25:51 - 09:55:51 | 14051 |
| Bishop | 09:40:48 | -30.5 | Dark | Up | 29.2 | 229.9 | Low | 09:25:48 - 09:55:48 | 14026 |
| Beatty | 09:40:42 | -30.2 | Dark | Up | 28.5 | 231.5 | Low | 09:25:42 - 09:55:42 | 14021 |
| Indian Springs | 09:40:38 | -30.0 | Dark | Up | 28.0 | 232.5 | Low | 09:25:38 - 09:55:38 | 14016 |
| Henderson | 09:40:35 | -30.1 | Dark | Up | 27.9 | 233.3 | Low | 09:25:35 - 09:55:35 | 13992 |
| Lone Pine | 09:40:44 | -31.0 | Dark | Up | 29.5 | 230.5 | Low | 09:25:44 - 09:55:44 | 13985 |
| Patrick | 09:40:31 | -30.1 | Dark | Up | 27.6 | 234.5 | Low | 09:25:31 - 09:55:31 | 13968 |
| Searchlight/Boulder City | 09:40:33 | -30.6 | Dark | Up | 28.2 | 233.6 | Low | 09:25:33 - 09:55:33 | 13958 |
| DCO | 09:40:27 | -30.0 | Dark | Up | 27.3 | 235.2 | Low | 09:25:27 - 09:55:27 | 13957 |
| Kingman/Dolan Springs | 09:40:30 | -30.4 | Dark | Up | 27.8 | 234.5 | Low | 09:25:30 - 09:55:30 | 13952 |
| Laughlin/Bullhead City | 09:40:31 | -30.7 | Dark | Up | 28.2 | 234.1 | Low | 09:25:31 - 09:55:31 | 13944 |
| Mohave Valley | 09:40:31 | -30.9 | Dark | Up | 28.3 | 234.2 | Low | 09:25:31 - 09:55:31 | 13927 |
| Lake Havasu City | 09:40:29 | -31.1 | Dark | Up | 28.4 | 234.6 | Low | 09:25:29 - 09:55:29 | 13905 |
| Parker | 09:40:28 | -31.4 | Dark | Up | 28.6 | 234.7 | Low | 09:25:28 - 09:55:28 | 13883 |
| CPSLO | 09:40:48 | -33.2 | Dark | Up | 31.9 | 228.7 | Up | 09:25:48 - 09:55:48 | 13867 |
| Blythe | 09:40:26 | -32.0 | Dark | Up | 29.1 | 234.7 | Low | 09:25:26 - 09:55:26 | 13846 |
| Idyllwild | 09:40:33 | -32.9 | Dark | Up | 30.4 | 232.9 | Up | 09:25:33 - 09:55:33 | 13825 |
| Wildwood | 09:40:38 | -33.4 | Dark | Up | 31.4 | 231.1 | Up | 09:25:38 - 09:55:38 | 13821 |
| Calipatria | 09:40:28 | -32.8 | Dark | Up | 30.0 | 234.2 | Up | 09:25:28 - 09:55:28 | 13802 |
| Yuma | 09:40:24 | -32.7 | Dark | Up | 29.7 | 235.1 | Low | 09:25:24 - 09:55:24 | 13785 |
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 455206, (2020/05/04 09:42UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 6.21 23 PPM 196876 13:47:13.4 -09:42:35 6.2 1.06 27 PPM 196903 13:48:49.3 -08:11:26 7.8 0.51 27 PPM 196891 13:47:58.8 -08:47:23 9.0 0.14 27 455206 13:48:20.2 -08:41:13 16.6 27 Positions are for J2000
Event circumstances last updated at 2018/10/31 20:08:20 UT
Marc W. Buie, Southwest Research Institute