Event between (528219) 08KV42 and star GA1380:04690902 with event index number of 1596973
Geocentric closest approach at 2020/04/08 03:44:33 UTC
J2000 position of star is 16:37:33.2 +48:28:50
Equinox of date position of star is 16:38:05.6 +48:26:33
Stellar brightness G=14.4,
use SENSEUP=64
Star is 67 degrees from the moon.
Moon is 100% illuminated.
TNO apparent brightness V=23.1
[RECON map]
TNO is 25.5 AU from the Sun
and 25.2 AU from the Earth.
The TNO is moving 35.2
km/sec on the sky relative to the star, or,
6.9 arcsec/hr.
The 1-sigma error in the time of the event is 92 seconds.
The 1-sigma cross-track error in the shadow position is
2223 km.
The sky-plane scale is
18294.2 km/arcsec.
The TNO has an absolute magnitude Hv=8.8
Diameter=104.7 km assuming a 5% albedo -- 3.0 sec chord
Diameter=42.8 km assuming a 30% albedo -- 1.2 sec chord
Dynamical classification is CENTAURR
Star training set for 528219, (2020/04/08 03:45UT) Object RA Dec mag sep mel Vega 18:37:37.5 +38:48:13 0.0 23.48 84 23Bet Dra 17:30:53.5 +52:17:14 2.8 9.24 76 34 Her 16:30:39.5 +48:55:05 6.2 1.32 66 PPM 055571 16:39:27.0 +48:36:03 9.4 0.27 67 PPM 055557 16:38:35.3 +48:28:24 10.3 0.08 67 528219 16:38:06.9 +48:26:28 14.4 67 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 0.0 km
RECON observability=0.0 and success probability=0.0%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Kelowna | 03:47:18 | -11.1 | NT | Up | 23.1 | 40.7 | Low | 03:39:10 - 03:55:26 | -339 |
Summerland | 03:47:18 | -11.0 | NT | Up | 22.7 | 40.5 | Low | 03:39:10 - 03:55:26 | -346 |
Penticton | 03:47:18 | -11.1 | NT | Up | 22.7 | 40.5 | Low | 03:39:10 - 03:55:26 | -357 |
Okanagan Falls | 03:47:19 | -11.2 | NT | Up | 22.6 | 40.5 | Low | 03:39:11 - 03:55:27 | -370 |
Oliver | 03:47:19 | -11.3 | NT | Up | 22.4 | 40.4 | Low | 03:39:11 - 03:55:27 | -384 |
Anarchist Mountain Observatory | 03:47:19 | -11.5 | NT | Up | 22.4 | 40.5 | Low | 03:39:11 - 03:55:27 | -407 |
Oroville | 03:47:19 | -11.5 | NT | Up | 22.3 | 40.4 | Low | 03:39:11 - 03:55:27 | -409 |
Tonasket | 03:47:19 | -11.6 | NT | Up | 22.1 | 40.4 | Low | 03:39:11 - 03:55:27 | -427 |
Okanogan | 03:47:19 | -11.6 | NT | Up | 21.8 | 40.2 | Low | 03:39:11 - 03:55:27 | -444 |
Manson/Chelan | 03:47:20 | -11.5 | NT | Up | 21.2 | 39.8 | Low | 03:39:12 - 03:55:28 | -450 |
Brewster | 03:47:20 | -11.6 | NT | Up | 21.5 | 40.0 | Low | 03:39:12 - 03:55:28 | -454 |
Wenatchee | 03:47:20 | -11.6 | NT | Up | 20.8 | 39.6 | Low | 03:39:12 - 03:55:28 | -476 |
Ellensburg | 03:47:20 | -11.6 | NT | Up | 20.3 | 39.4 | Low | 03:39:12 - 03:55:28 | -494 |
Yakima | 03:47:21 | -11.8 | NT | Up | 20.0 | 39.3 | Low | 03:39:13 - 03:55:29 | -523 |
Toppenish/White Swan | 03:47:21 | -12.0 | NT | Up | 19.9 | 39.3 | Really Low | 03:39:13 - 03:55:29 | -549 |
The Dalles | 03:47:22 | -11.8 | NT | Up | 19.0 | 38.7 | Really Low | 03:39:14 - 03:55:30 | -561 |
Goldendale | 03:47:21 | -11.9 | NT | Up | 19.3 | 38.9 | Really Low | 03:39:13 - 03:55:29 | -566 |
Maupin | 03:47:22 | -12.0 | AT | Up | 18.7 | 38.7 | Really Low | 03:39:14 - 03:55:30 | -598 |
Pasco | 03:47:20 | -12.8 | AT | Up | 20.4 | 39.9 | Low | 03:39:12 - 03:55:28 | -629 |
Sisters | 03:47:23 | -12.0 | AT | Up | 17.8 | 38.2 | Really Low | 03:39:15 - 03:55:31 | -633 |
Madras/Culver | 03:47:22 | -12.2 | AT | Up | 18.3 | 38.5 | Really Low | 03:39:14 - 03:55:30 | -635 |
George/Umatilla | 03:47:20 | -12.8 | AT | Up | 20.0 | 39.7 | Low | 03:39:12 - 03:55:28 | -642 |
Redmond | 03:47:22 | -12.3 | AT | Up | 18.0 | 38.4 | Really Low | 03:39:14 - 03:55:30 | -658 |
PNWRO | 03:47:20 | -13.1 | AT | Up | 20.3 | 40.0 | Low | 03:39:12 - 03:55:28 | -660 |
Bend | 03:47:23 | -12.3 | AT | Up | 17.7 | 38.3 | Really Low | 03:39:15 - 03:55:31 | -665 |
Oregon Observatory | 03:47:23 | -12.3 | AT | Up | 17.5 | 38.2 | Really Low | 03:39:15 - 03:55:31 | -670 |
La Pine/Gilchrist | 03:47:23 | -12.3 | AT | Up | 17.3 | 38.2 | Really Low | 03:39:15 - 03:55:31 | -682 |
Chiloquin | 03:47:23 | -12.5 | AT | Up | 16.3 | 37.8 | Really Low | 03:39:15 - 03:55:31 | -740 |
North Lake | 03:47:23 | -12.9 | AT | Up | 17.3 | 38.4 | Really Low | 03:39:15 - 03:55:31 | -749 |
Klamath Falls | 03:47:24 | -12.7 | AT | Up | 16.1 | 37.7 | Really Low | 03:39:16 - 03:55:32 | -769 |
Tulelake | 03:47:23 | -13.0 | AT | Up | 16.0 | 37.9 | Really Low | 03:39:15 - 03:55:31 | -807 |
Paisley | 03:47:22 | -13.4 | AT | Up | 17.0 | 38.5 | Really Low | 03:39:14 - 03:55:30 | -811 |
Lakeview | 03:47:22 | -13.7 | AT | Up | 16.7 | 38.5 | Really Low | 03:39:14 - 03:55:30 | -859 |
Fall River/Burney | 03:47:24 | -13.4 | AT | Up | 15.3 | 37.7 | Really Low | 03:39:16 - 03:55:32 | -877 |
Cedarville | 03:47:22 | -14.1 | AT | Up | 16.3 | 38.4 | Really Low | 03:39:14 - 03:55:30 | -917 |
Susanville | 03:47:23 | -14.2 | AT | Up | 15.2 | 38.0 | Really Low | 03:39:15 - 03:55:31 | -968 |
Greenville | 03:47:23 | -14.1 | AT | Up | 14.8 | 37.8 | Really Low | 03:39:15 - 03:55:31 | -969 |
Gimple | 03:47:23 | -14.1 | AT | Up | 14.8 | 37.8 | Really Low | 03:39:15 - 03:55:31 | -975 |
Quincy | 03:47:24 | -14.2 | AT | Up | 14.7 | 37.8 | Really Low | 03:39:16 - 03:55:32 | -984 |
Portola | 03:47:23 | -14.5 | AT | Up | 14.8 | 38.0 | Really Low | 03:39:15 - 03:55:31 | -1023 |
Reno | 03:47:23 | -15.1 | AT | Up | 14.9 | 38.2 | Really Low | 03:39:15 - 03:55:31 | -1083 |
Carson City | 03:47:23 | -15.3 | AT | Up | 14.6 | 38.2 | Really Low | 03:39:15 - 03:55:31 | -1110 |
Gardnerville | 03:47:23 | -15.4 | AT | Up | 14.4 | 38.2 | Really Low | 03:39:15 - 03:55:31 | -1130 |
Yerington | 03:47:22 | -15.8 | AT | Up | 14.8 | 38.5 | Really Low | 03:39:14 - 03:55:30 | -1164 |
Hawthorne | 03:47:22 | -16.4 | AT | Up | 14.6 | 38.6 | Really Low | 03:39:14 - 03:55:30 | -1230 |
Lee Vining | 03:47:22 | -16.2 | AT | Up | 14.0 | 38.3 | Really Low | 03:39:14 - 03:55:30 | -1240 |
CPSLO | 03:47:23 | -16.1 | AT | Up | 11.1 | 37.3 | Really Low | 03:39:15 - 03:55:31 | -1328 |
Bishop | 03:47:22 | -17.0 | AT | Up | 13.9 | 38.6 | Really Low | 03:39:14 - 03:55:30 | -1329 |
Tonopah | 03:47:21 | -17.6 | AT | Up | 15.0 | 39.2 | Really Low | 03:39:13 - 03:55:29 | -1351 |
Lone Pine | 03:47:21 | -17.5 | AT | Up | 13.4 | 38.6 | Really Low | 03:39:13 - 03:55:29 | -1405 |
Beatty | 03:47:20 | -18.4 | Dark | Up | 14.3 | 39.2 | Really Low | 03:39:12 - 03:55:28 | -1464 |
Wildwood | 03:47:21 | -18.1 | Dark | Up | 11.2 | 38.0 | Really Low | 03:39:13 - 03:55:29 | -1548 |
Indian Springs | 03:47:19 | -19.3 | Dark | Up | 14.6 | 39.6 | Really Low | 03:39:11 - 03:55:27 | -1555 |
Henderson | 03:47:18 | -20.0 | Dark | Up | 14.6 | 39.8 | Really Low | 03:39:10 - 03:55:26 | -1636 |
Searchlight/Boulder City | 03:47:18 | -20.3 | Dark | Up | 14.1 | 39.8 | Really Low | 03:39:10 - 03:55:26 | -1682 |
Idyllwild | 03:47:19 | -19.7 | Dark | Up | 11.9 | 38.8 | Really Low | 03:39:11 - 03:55:27 | -1696 |
Laughlin/Bullhead City | 03:47:17 | -20.7 | Dark | Up | 14.1 | 39.9 | Really Low | 03:39:09 - 03:55:25 | -1726 |
Mohave Valley | 03:47:17 | -20.8 | Dark | Up | 13.9 | 39.8 | Really Low | 03:39:09 - 03:55:25 | -1746 |
Patrick | 03:47:17 | -21.1 | Dark | Up | 14.7 | 40.2 | Really Low | 03:39:09 - 03:55:25 | -1750 |
Kingman/Dolan Springs | 03:47:17 | -21.1 | Dark | Up | 14.4 | 40.1 | Really Low | 03:39:09 - 03:55:25 | -1755 |
Lake Havasu City | 03:47:17 | -21.2 | Dark | Up | 13.7 | 39.9 | Really Low | 03:39:09 - 03:55:25 | -1791 |
Calipatria | 03:47:18 | -20.9 | Dark | Up | 12.0 | 39.2 | Really Low | 03:39:10 - 03:55:26 | -1815 |
Parker | 03:47:17 | -21.4 | Dark | Up | 13.5 | 39.8 | Really Low | 03:39:09 - 03:55:25 | -1818 |
Blythe | 03:47:17 | -21.4 | Dark | Up | 12.9 | 39.6 | Really Low | 03:39:09 - 03:55:25 | -1838 |
SwRI | 03:47:07 | -24.6 | Dark | Up | 22.6 | 44.8 | Low | 03:38:59 - 03:55:15 | -1847 |
Yuma | 03:47:17 | -21.7 | Dark | Up | 12.2 | 39.5 | Really Low | 03:39:09 - 03:55:25 | -1903 |
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 528219, (2020/04/08 03:45UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 23.48 84 23Bet Dra 17:30:25.9 +52:18:05 2.8 9.24 76 34 Her 16:30:06.0 +48:57:40 6.2 1.32 66 PPM 055571 16:38:53.5 +48:38:23 9.4 0.27 67 PPM 055557 16:38:01.7 +48:30:45 10.3 0.08 67 528219 16:37:33.2 +48:28:50 14.4 67 Positions are for J2000
Event circumstances last updated at 2019/07/02 02:35:08 UT
Marc W. Buie, Southwest Research Institute