Event between (533507) 14HV199 and star GA0820:04861572 with event index number of 1608399
Geocentric closest approach at 2020/06/02 10:00:12 UTC
J2000 position of star is 15:49:58.2 -06:18:43
Equinox of date position of star is 15:51:00.6 -06:22:13
Stellar brightness G=13.6,
use SENSEUP=64
Star is 31 degrees from the moon.
Moon is 85% illuminated.
TNO apparent brightness V=22.3
[RECON map]
TNO is 38.5 AU from the Sun
and 37.6 AU from the Earth.
The TNO is moving 24.2
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 116 seconds.
The 1-sigma cross-track error in the shadow position is
2148 km.
The sky-plane scale is
27252.5 km/arcsec.
The TNO has an absolute magnitude Hv=6.4
Diameter=316.2 km assuming a 5% albedo -- 13.1 sec chord
Diameter=129.1 km assuming a 30% albedo -- 5.3 sec chord
Dynamical classification is SCATEXTD
Star training set for 533507, (2020/06/02 10:00UT) Object RA Dec mag sep mel Antares 16:30:39.8 -26:28:32 0.9 22.21 44 1Del Oph 16:15:25.1 -03:44:44 2.7 6.61 37 PPM 198946 15:47:50.7 -06:10:57 6.5 0.82 30 PPM 199003 15:51:34.2 -06:12:19 9.3 0.21 31 533507 15:51:03.5 -06:22:22 13.6 32 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 20.1 km
RECON observability=0.8 and success probability=14.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 09:58:31 | -12.9 | AT | Up | 22.1 | 228.3 | Low | 09:48:24 - 10:08:39 | 516 |
| Summerland | 09:58:31 | -13.2 | AT | Up | 22.4 | 228.1 | Low | 09:48:24 - 10:08:39 | 499 |
| Penticton | 09:58:31 | -13.2 | AT | Up | 22.4 | 228.2 | Low | 09:48:23 - 10:08:38 | 495 |
| Okanagan Falls | 09:58:30 | -13.4 | AT | Up | 22.5 | 228.2 | Low | 09:48:23 - 10:08:38 | 483 |
| Oliver | 09:58:30 | -13.5 | AT | Up | 22.6 | 228.3 | Low | 09:48:22 - 10:08:37 | 473 |
| Anarchist Mountain Observatory | 09:58:29 | -13.6 | AT | Up | 22.7 | 228.6 | Low | 09:48:22 - 10:08:37 | 462 |
| Oroville | 09:58:29 | -13.7 | AT | Up | 22.7 | 228.5 | Low | 09:48:21 - 10:08:36 | 458 |
| Tonasket | 09:58:28 | -13.9 | AT | Up | 22.9 | 228.6 | Low | 09:48:21 - 10:08:36 | 444 |
| Okanogan | 09:58:28 | -14.3 | AT | Up | 23.2 | 228.5 | Low | 09:48:20 - 10:08:35 | 423 |
| Brewster | 09:58:28 | -14.6 | AT | Up | 23.5 | 228.4 | Low | 09:48:20 - 10:08:35 | 406 |
| Manson/Chelan | 09:58:28 | -14.9 | AT | Up | 23.8 | 228.2 | Low | 09:48:20 - 10:08:35 | 394 |
| Wenatchee | 09:58:27 | -15.3 | AT | Up | 24.2 | 228.2 | Low | 09:48:20 - 10:08:35 | 364 |
| Ellensburg | 09:58:26 | -15.8 | AT | Up | 24.6 | 228.1 | Low | 09:48:19 - 10:08:34 | 338 |
| Yakima | 09:58:26 | -16.1 | AT | Up | 24.9 | 228.2 | Low | 09:48:18 - 10:08:33 | 312 |
| Toppenish/White Swan | 09:58:25 | -16.3 | AT | Up | 24.9 | 228.4 | Low | 09:48:17 - 10:08:32 | 297 |
| Pasco | 09:58:21 | -16.0 | AT | Up | 24.4 | 229.7 | Low | 09:48:14 - 10:08:29 | 288 |
| PNWRO | 09:58:20 | -16.1 | AT | Up | 24.4 | 229.9 | Low | 09:48:13 - 10:08:28 | 271 |
| George/Umatilla | 09:58:21 | -16.3 | AT | Up | 24.7 | 229.6 | Low | 09:48:14 - 10:08:29 | 266 |
| Goldendale | 09:58:24 | -16.9 | AT | Up | 25.5 | 228.2 | Low | 09:48:17 - 10:08:32 | 262 |
| The Dalles | 09:58:25 | -17.2 | AT | Up | 25.9 | 228.0 | Low | 09:48:17 - 10:08:32 | 247 |
| Maupin | 09:58:24 | -17.6 | AT | Up | 26.1 | 228.2 | Low | 09:48:16 - 10:08:31 | 219 |
| Madras/Culver | 09:58:22 | -18.1 | Dark | Up | 26.5 | 228.4 | Low | 09:48:15 - 10:08:30 | 182 |
| Sisters | 09:58:23 | -18.5 | Dark | Up | 26.9 | 228.1 | Low | 09:48:15 - 10:08:30 | 160 |
| Redmond | 09:58:21 | -18.4 | Dark | Up | 26.7 | 228.5 | Low | 09:48:14 - 10:08:29 | 158 |
| Bend | 09:58:21 | -18.6 | Dark | Up | 27.0 | 228.4 | Low | 09:48:14 - 10:08:29 | 144 |
| Oregon Observatory | 09:58:21 | -18.8 | Dark | Up | 27.1 | 228.3 | Low | 09:48:14 - 10:08:29 | 132 |
| La Pine/Gilchrist | 09:58:21 | -19.0 | Dark | Up | 27.3 | 228.4 | Low | 09:48:13 - 10:08:28 | 118 |
| North Lake | 09:58:18 | -19.2 | Dark | Up | 27.3 | 229.1 | Low | 09:48:11 - 10:08:26 | 87 |
| Paisley | 09:58:16 | -19.6 | Dark | Up | 27.4 | 229.6 | Low | 09:48:09 - 10:08:24 | 47 |
| Chiloquin | 09:58:19 | -20.1 | Dark | Up | 28.3 | 228.5 | Low | 09:48:12 - 10:08:27 | 40 |
| Klamath Falls | 09:58:18 | -20.4 | Dark | Up | 28.4 | 228.7 | Low | 09:48:11 - 10:08:26 | 16 |
| Lakeview | 09:58:15 | -19.9 | Dark | Up | 27.7 | 230.0 | Low | 09:48:07 - 10:08:22 | 11 |
| Tulelake | 09:58:17 | -20.5 | Dark | Up | 28.4 | 229.1 | Low | 09:48:09 - 10:08:24 | -4 |
| Cedarville | 09:58:13 | -20.5 | Dark | Up | 28.0 | 230.4 | Low | 09:48:05 - 10:08:20 | -37 |
| Fall River/Burney | 09:58:15 | -21.3 | Dark | Up | 29.0 | 229.5 | Low | 09:48:07 - 10:08:22 | -70 |
| Susanville | 09:58:11 | -21.6 | Dark | Up | 29.0 | 230.4 | Low | 09:48:04 - 10:08:19 | -118 |
| Greenville | 09:58:12 | -22.0 | Dark | Up | 29.3 | 230.3 | Low | 09:48:04 - 10:08:19 | -138 |
| Gimple | 09:58:11 | -21.9 | Dark | Up | 29.3 | 230.4 | Low | 09:48:04 - 10:08:19 | -138 |
| Quincy | 09:58:11 | -22.1 | Dark | Up | 29.5 | 230.4 | Low | 09:48:04 - 10:08:19 | -153 |
| Portola | 09:58:09 | -22.1 | Dark | Up | 29.3 | 230.9 | Low | 09:48:02 - 10:08:17 | -163 |
| Reno | 09:58:07 | -22.1 | Dark | Up | 29.0 | 231.6 | Low | 09:48:00 - 10:08:15 | -184 |
| SwRI | 09:57:36 | -15.1 | AT | Down | 19.5 | 243.3 | Really Low | 09:47:28 - 10:07:43 | -194 |
| Carson City | 09:58:06 | -22.4 | Dark | Up | 29.3 | 231.7 | Low | 09:47:59 - 10:08:14 | -211 |
| Yerington | 09:58:04 | -22.3 | Dark | Up | 29.0 | 232.4 | Low | 09:47:57 - 10:08:12 | -227 |
| Gardnerville | 09:58:06 | -22.6 | Dark | Up | 29.4 | 231.9 | Low | 09:47:58 - 10:08:13 | -230 |
| Hawthorne | 09:58:02 | -22.5 | Dark | Up | 28.9 | 233.1 | Low | 09:47:54 - 10:08:09 | -264 |
| Tonopah | 09:57:57 | -22.3 | Dark | Up | 28.3 | 234.5 | Low | 09:47:50 - 10:08:05 | -303 |
| Lee Vining | 09:58:02 | -23.1 | Dark | Up | 29.6 | 232.9 | Low | 09:47:54 - 10:08:09 | -307 |
| Bishop | 09:57:59 | -23.4 | Dark | Up | 29.5 | 233.8 | Low | 09:47:51 - 10:08:06 | -355 |
| Beatty | 09:57:53 | -23.1 | Dark | Up | 28.7 | 235.4 | Low | 09:47:46 - 10:08:01 | -395 |
| Lone Pine | 09:57:56 | -23.9 | Dark | Up | 29.7 | 234.4 | Low | 09:47:49 - 10:08:04 | -415 |
| Indian Springs | 09:57:50 | -22.9 | Dark | Up | 28.2 | 236.4 | Low | 09:47:43 - 10:07:58 | -423 |
| Henderson | 09:57:47 | -23.0 | Dark | Up | 28.0 | 237.2 | Low | 09:47:40 - 10:07:55 | -468 |
| Searchlight/Boulder City | 09:57:46 | -23.4 | Dark | Up | 28.3 | 237.5 | Low | 09:47:38 - 10:07:53 | -514 |
| CPSLO | 09:58:01 | -26.1 | Dark | Up | 32.2 | 232.8 | Up | 09:47:53 - 10:08:08 | -515 |
| Patrick | 09:57:43 | -23.0 | Dark | Up | 27.6 | 238.4 | Low | 09:47:35 - 10:07:50 | -522 |
| Kingman/Dolan Springs | 09:57:43 | -23.2 | Dark | Up | 27.9 | 238.3 | Low | 09:47:36 - 10:07:51 | -539 |
| Laughlin/Bullhead City | 09:57:44 | -23.5 | Dark | Up | 28.2 | 237.9 | Low | 09:47:37 - 10:07:52 | -539 |
| Mohave Valley | 09:57:44 | -23.7 | Dark | Up | 28.4 | 238.1 | Low | 09:47:36 - 10:07:51 | -562 |
| Lake Havasu City | 09:57:42 | -23.9 | Dark | Up | 28.4 | 238.4 | Low | 09:47:35 - 10:07:50 | -595 |
| Wildwood | 09:57:52 | -26.2 | Dark | Up | 31.6 | 235.1 | Up | 09:47:45 - 10:08:00 | -618 |
| Parker | 09:57:41 | -24.2 | Dark | Up | 28.6 | 238.6 | Low | 09:47:34 - 10:07:49 | -624 |
| Idyllwild | 09:57:47 | -25.7 | Dark | Up | 30.5 | 236.9 | Up | 09:47:39 - 10:07:54 | -652 |
| Blythe | 09:57:41 | -24.8 | Dark | Up | 29.1 | 238.6 | Low | 09:47:33 - 10:07:48 | -667 |
| Calipatria | 09:57:42 | -25.6 | Dark | Up | 30.0 | 238.1 | Low | 09:47:35 - 10:07:50 | -706 |
| Yuma | 09:57:39 | -25.5 | Dark | Up | 29.6 | 239.0 | Low | 09:47:31 - 10:07:46 | -745 |
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 533507, (2020/06/02 10:00UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 22.21 44 1Del Oph 16:14:20.7 -03:41:42 2.7 6.61 37 PPM 198946 15:46:45.4 -06:07:13 6.5 0.82 30 PPM 199003 15:50:28.9 -06:08:41 9.3 0.21 31 533507 15:49:58.2 -06:18:43 13.6 31 Positions are for J2000
Event circumstances last updated at 2019/07/02 02:40:11 UT
Marc W. Buie, Southwest Research Institute