Event between (469707) 05GB187 and star GA0760:05649929 with event index number of 286540
Geocentric closest approach at 2020/09/15 03:00:19 UTC
J2000 position of star is 16:17:35.2 -13:55:30
Equinox of date position of star is 16:18:44.7 -13:58:27
Stellar brightness G=16.6,
use SENSEUP=128
Star is 104 degrees from the moon.
Moon is 8% illuminated.
TNO apparent brightness V=25.2
[RECON map]
TNO is 31.6 AU from the Sun
and 31.9 AU from the Earth.
The TNO is moving 15.1
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 89 seconds.
The 1-sigma cross-track error in the shadow position is
1235 km.
The sky-plane scale is
23153.6 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=239.9 km assuming a 5% albedo -- 4.0 sec chord
Diameter=97.9 km assuming a 30% albedo -- 1.6 sec chord
Dynamical classification is 3:2E
Star training set for 469707, (2020/09/15 03:00UT) Object RA Dec mag sep mel Antares 16:30:40.8 -26:28:34 0.9 12.81 109 13Zet Oph 16:38:18.1 -10:36:27 2.6 5.84 107 PPM 231511 16:20:10.7 -14:55:18 5.8 1.01 104 PPM 231477 16:19:09.3 -13:29:40 7.7 0.49 104 PPM 231482 16:19:17.7 -14:12:54 9.6 0.27 104 469707 16:18:45.1 -13:58:28 16.6 104 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 18.8 km
RECON observability=0.2 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) |
| Clarence Fulton | 03:00:50 | -8.6 | NT | Down | 18.5 | 217.0 | Really Low | 02:52:54 - 03:08:46 | 12261 |
| Kelowna | 03:00:50 | -8.6 | NT | Down | 18.8 | 217.0 | Really Low | 02:52:54 - 03:08:46 | 12247 |
| Peachland | 03:00:50 | -8.4 | NT | Down | 19.0 | 216.7 | Really Low | 02:52:54 - 03:08:46 | 12240 |
| Summerland | 03:00:51 | -8.5 | NT | Down | 19.1 | 216.8 | Really Low | 02:52:55 - 03:08:47 | 12236 |
| Penticton | 03:00:50 | -8.6 | NT | Down | 19.1 | 216.9 | Really Low | 02:52:54 - 03:08:46 | 12235 |
| Oliver | 03:00:54 | -8.7 | NT | Down | 19.4 | 217.0 | Really Low | 02:52:58 - 03:08:50 | 12222 |
| Anarchist Mountain Observatory | 03:00:54 | -8.9 | NT | Down | 19.5 | 217.2 | Really Low | 02:52:58 - 03:08:50 | 12219 |
| Tonasket | 03:00:56 | -8.9 | NT | Down | 19.7 | 217.3 | Really Low | 02:53:00 - 03:08:52 | 12206 |
| Okanogan | 03:00:57 | -8.9 | NT | Down | 20.1 | 217.2 | Low | 02:53:01 - 03:08:53 | 12192 |
| Brewster | 03:00:56 | -8.8 | NT | Down | 20.4 | 217.1 | Low | 02:53:00 - 03:08:52 | 12180 |
| Manson/Chelan | 03:00:56 | -8.7 | NT | Down | 20.7 | 216.8 | Low | 02:53:00 - 03:08:52 | 12169 |
| Entiat | 03:00:56 | -8.7 | NT | Down | 20.9 | 216.7 | Low | 02:53:00 - 03:08:52 | 12160 |
| Victoria | 03:00:39 | -6.4 | NT | Down | 21.4 | 213.4 | Low | 02:52:43 - 03:08:35 | 12158 |
| Wenatchee | 03:00:57 | -8.7 | NT | Down | 21.1 | 216.7 | Low | 02:53:01 - 03:08:53 | 12149 |
| Ellensburg | 03:00:58 | -8.6 | NT | Down | 21.6 | 216.6 | Low | 02:53:02 - 03:08:54 | 12131 |
| Pasco | 03:01:08 | -9.8 | NT | Down | 21.5 | 218.2 | Low | 02:53:12 - 03:09:04 | 12115 |
| Yakima | 03:00:59 | -8.7 | NT | Down | 21.9 | 216.7 | Low | 02:53:03 - 03:08:55 | 12114 |
| PNWRO | 03:01:10 | -10.0 | NT | Down | 21.6 | 218.4 | Low | 02:53:14 - 03:09:06 | 12107 |
| Toppenish/White Swan | 03:01:01 | -8.9 | NT | Down | 22.0 | 216.9 | Low | 02:53:05 - 03:08:57 | 12107 |
| Goldendale | 03:01:03 | -8.7 | NT | Down | 22.6 | 216.6 | Low | 02:53:07 - 03:08:59 | 12080 |
| The Dalles | 03:01:02 | -8.5 | NT | Down | 22.9 | 216.3 | Low | 02:53:06 - 03:08:58 | 12066 |
| Maupin | 03:01:04 | -8.7 | NT | Down | 23.2 | 216.6 | Low | 02:53:08 - 03:09:00 | 12050 |
| Redmond | 03:01:08 | -8.9 | NT | Down | 24.0 | 216.7 | Low | 02:53:12 - 03:09:04 | 12010 |
| Sisters | 03:01:04 | -8.6 | NT | Down | 24.1 | 216.3 | Low | 02:53:08 - 03:09:00 | 12007 |
| Bend | 03:01:06 | -8.8 | NT | Down | 24.2 | 216.6 | Low | 02:53:10 - 03:09:02 | 11999 |
| Oregon Observatory | 03:01:08 | -8.7 | NT | Down | 24.4 | 216.6 | Low | 02:53:12 - 03:09:04 | 11990 |
| La Pine/Gilchrist | 03:01:08 | -8.7 | NT | Down | 24.6 | 216.6 | Low | 02:53:12 - 03:09:04 | 11980 |
| North Lake | 03:01:11 | -9.3 | NT | Down | 24.7 | 217.3 | Low | 02:53:15 - 03:09:07 | 11967 |
| Paisley | 03:01:17 | -9.7 | NT | Down | 24.9 | 217.8 | Low | 02:53:21 - 03:09:13 | 11945 |
| Niwot | 03:02:33 | -21.6 | Dark | Down | 18.4 | 232.3 | Really Low | 02:54:37 - 03:10:29 | 11925 |
| Lakeview | 03:01:18 | -9.9 | NT | Down | 25.3 | 218.1 | Low | 02:53:22 - 03:09:14 | 11923 |
| SwRI | 03:02:34 | -21.6 | Dark | Down | 18.5 | 232.2 | Really Low | 02:54:38 - 03:10:30 | 11919 |
| Klamath Falls | 03:01:11 | -8.9 | NT | Down | 25.9 | 216.7 | Low | 02:53:15 - 03:09:07 | 11908 |
| Cedarville | 03:01:20 | -10.2 | NT | Down | 25.7 | 218.5 | Low | 02:53:24 - 03:09:16 | 11893 |
| Fall River/Burney | 03:01:16 | -9.4 | NT | Down | 26.6 | 217.5 | Low | 02:53:20 - 03:09:12 | 11855 |
| Susanville | 03:01:24 | -10.1 | NT | Down | 26.8 | 218.4 | Low | 02:53:28 - 03:09:20 | 11832 |
| Gimple | 03:01:24 | -10.0 | NT | Down | 27.1 | 218.3 | Low | 02:53:28 - 03:09:20 | 11815 |
| Greenville | 03:01:24 | -10.0 | NT | Down | 27.1 | 218.2 | Low | 02:53:28 - 03:09:20 | 11814 |
| Quincy | 03:01:25 | -10.0 | NT | Down | 27.3 | 218.3 | Low | 02:53:29 - 03:09:21 | 11804 |
| Portola | 03:01:25 | -10.4 | NT | Down | 27.2 | 218.8 | Low | 02:53:29 - 03:09:21 | 11803 |
| Reno | 03:01:31 | -11.0 | NT | Down | 27.0 | 219.5 | Low | 02:53:35 - 03:09:27 | 11796 |
| Carson City | 03:01:36 | -11.1 | NT | Down | 27.3 | 219.7 | Low | 02:53:40 - 03:09:32 | 11778 |
| Yerington | 03:01:38 | -11.6 | NT | Down | 27.1 | 220.3 | Low | 02:53:42 - 03:09:34 | 11774 |
| Gardnerville | 03:01:32 | -11.2 | NT | Down | 27.5 | 219.8 | Low | 02:53:36 - 03:09:28 | 11765 |
| Hawthorne | 03:01:40 | -12.1 | AT | Down | 27.2 | 221.0 | Low | 02:53:44 - 03:09:36 | 11755 |
| Tonopah | 03:01:52 | -13.4 | AT | Down | 26.8 | 222.5 | Low | 02:53:56 - 03:09:48 | 11745 |
| Lee Vining | 03:01:43 | -11.9 | NT | Down | 27.9 | 220.7 | Low | 02:53:47 - 03:09:39 | 11720 |
| Bishop | 03:01:47 | -12.6 | AT | Down | 27.9 | 221.6 | Low | 02:53:51 - 03:09:43 | 11694 |
| Beatty | 03:01:58 | -14.0 | AT | Down | 27.4 | 223.3 | Low | 02:54:02 - 03:09:54 | 11684 |
| Indian Springs | 03:02:03 | -15.0 | AT | Down | 27.0 | 224.4 | Low | 02:54:07 - 03:09:59 | 11676 |
| Henderson | 03:02:09 | -15.7 | AT | Down | 27.0 | 225.2 | Low | 02:54:13 - 03:10:05 | 11651 |
| Patrick | 03:02:16 | -16.7 | AT | Down | 26.7 | 226.5 | Low | 02:54:20 - 03:10:12 | 11624 |
| Searchlight/Boulder City | 03:02:13 | -15.9 | AT | Down | 27.3 | 225.5 | Low | 02:54:17 - 03:10:09 | 11619 |
| DCO | 03:02:23 | -17.4 | AT | Down | 26.5 | 227.2 | Low | 02:54:27 - 03:10:19 | 11612 |
| Kingman/Dolan Springs | 03:02:17 | -16.6 | AT | Down | 27.0 | 226.4 | Low | 02:54:21 - 03:10:13 | 11610 |
| Laughlin/Bullhead City | 03:02:15 | -16.2 | AT | Down | 27.3 | 225.9 | Low | 02:54:19 - 03:10:11 | 11604 |
| Mohave Valley | 03:02:16 | -16.3 | AT | Down | 27.5 | 226.1 | Low | 02:54:20 - 03:10:12 | 11587 |
| Lake Havasu City | 03:02:22 | -16.6 | AT | Down | 27.6 | 226.4 | Low | 02:54:26 - 03:10:18 | 11566 |
| CPSLO | 03:01:43 | -11.3 | NT | Down | 30.7 | 220.2 | Up | 02:53:47 - 03:09:39 | 11548 |
| Parker | 03:02:21 | -16.8 | AT | Down | 27.8 | 226.6 | Low | 02:54:25 - 03:10:17 | 11545 |
| George/Scottsdale | 03:02:36 | -18.9 | Dark | Down | 26.6 | 228.9 | Low | 02:54:40 - 03:10:32 | 11538 |
| Blythe | 03:02:22 | -16.7 | AT | Down | 28.4 | 226.5 | Low | 02:54:26 - 03:10:18 | 11510 |
| Wildwood | 03:01:59 | -13.2 | AT | Down | 30.4 | 222.7 | Up | 02:54:03 - 03:09:55 | 11500 |
| Idyllwild | 03:02:11 | -14.9 | AT | Down | 29.6 | 224.6 | Low | 02:54:15 - 03:10:07 | 11499 |
| Calipatria | 03:02:18 | -16.0 | AT | Down | 29.3 | 225.9 | Low | 02:54:22 - 03:10:14 | 11471 |
| Yuma | 03:02:27 | -16.9 | AT | Down | 29.0 | 226.9 | Low | 02:54:31 - 03:10:23 | 11452 |
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 469707, (2020/09/15 03:00UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 12.81 109 13Zet Oph 16:37:09.6 -10:34:01 2.6 5.84 107 PPM 231511 16:19:00.4 -14:52:22 5.8 1.01 104 PPM 231477 16:17:59.7 -13:26:42 7.7 0.49 104 PPM 231482 16:18:07.7 -14:09:57 9.6 0.27 104 469707 16:17:35.2 -13:55:30 16.6 104 Positions are for J2000
Event circumstances last updated at 2020/07/30 22:04:19 UT
Marc W. Buie, Southwest Research Institute