Event between (168703) 00GP183 and star GA0660:06694372 with event index number of 268707
Geocentric closest approach at 2020/06/10 05:07:51 UTC
J2000 position of star is 15:44:43.8 -22:52:34
Equinox of date position of star is 15:45:52.7 -22:56:10
Stellar brightness G=16.5,
use SENSEUP=128
Star is 76 degrees from the moon.
Moon is 78% illuminated.
TNO apparent brightness V=21.7
[RECON map]
TNO is 36.8 AU from the Sun
and 35.9 AU from the Earth.
The TNO is moving 22.5
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 212 seconds.
The 1-sigma cross-track error in the shadow position is
2059 km.
The sky-plane scale is
26004.8 km/arcsec.
The TNO has an absolute magnitude Hv=6.0
Diameter=380.2 km assuming a 5% albedo -- 16.9 sec chord
Diameter=155.2 km assuming a 30% albedo -- 6.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 168703, (2020/06/10 05:08UT) Object RA Dec mag sep mel Antares 16:30:39.8 -26:28:32 0.9 10.75 65 7Del Sco 16:01:32.7 -22:40:42 2.3 3.61 73 42 Lib 15:41:29.7 -23:52:59 5.0 1.39 77 PPM 264655 15:46:55.4 -22:48:58 6.8 0.26 76 PPM 264645 15:46:23.9 -22:57:12 8.9 0.11 76 168703 15:45:56.2 -22:56:21 16.5 76 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
4.2 sigma about the mid-time.
The median site spacing is 7.3 km
RECON observability=0.5 and success probability=0.3%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 05:09:49 | -8.2 | NT | Down | 15.3 | 161.8 | Really Low | 04:54:49 - 05:24:49 | 8241 |
| Penticton | 05:09:49 | -8.4 | NT | Down | 15.6 | 161.6 | Really Low | 04:54:49 - 05:24:49 | 8222 |
| Summerland | 05:09:50 | -8.3 | NT | Down | 15.5 | 161.5 | Really Low | 04:54:50 - 05:24:50 | 8222 |
| Okanagan Falls | 05:09:50 | -8.5 | NT | Down | 15.8 | 161.6 | Really Low | 04:54:50 - 05:24:50 | 8213 |
| Oliver | 05:09:50 | -8.7 | NT | Down | 15.9 | 161.6 | Really Low | 04:54:50 - 05:24:50 | 8207 |
| Anarchist Mountain Observatory | 05:09:50 | -8.9 | NT | Down | 16.1 | 161.7 | Really Low | 04:54:50 - 05:24:50 | 8205 |
| Oroville | 05:09:49 | -8.9 | NT | Down | 16.2 | 161.7 | Really Low | 04:54:49 - 05:24:49 | 8200 |
| Tonasket | 05:09:49 | -9.1 | NT | Down | 16.4 | 161.6 | Really Low | 04:54:49 - 05:24:49 | 8190 |
| Okanogan | 05:09:50 | -9.3 | NT | Down | 16.7 | 161.5 | Really Low | 04:54:50 - 05:24:50 | 8172 |
| Brewster | 05:09:51 | -9.4 | NT | Down | 16.9 | 161.3 | Really Low | 04:54:51 - 05:24:51 | 8155 |
| Manson/Chelan | 05:09:52 | -9.5 | NT | Down | 17.0 | 160.9 | Really Low | 04:54:52 - 05:24:52 | 8137 |
| Niwot | 05:09:07 | -21.8 | Dark | Down | 26.8 | 174.8 | Low | 04:54:07 - 05:24:07 | 8131 |
| Entiat | 05:09:53 | -9.6 | NT | Down | 17.2 | 160.8 | Really Low | 04:54:53 - 05:24:53 | 8125 |
| SwRI | 05:09:06 | -21.8 | Dark | Down | 26.9 | 174.7 | Low | 04:54:06 - 05:24:06 | 8123 |
| Wenatchee | 05:09:53 | -9.7 | NT | Down | 17.4 | 160.7 | Really Low | 04:54:53 - 05:24:53 | 8112 |
| Pasco | 05:09:51 | -11.2 | NT | Down | 18.8 | 161.7 | Really Low | 04:54:51 - 05:24:51 | 8090 |
| Ellensburg | 05:09:54 | -10.0 | NT | Down | 17.8 | 160.5 | Really Low | 04:54:54 - 05:24:54 | 8087 |
| PNWRO | 05:09:51 | -11.5 | NT | Down | 19.1 | 161.9 | Really Low | 04:54:51 - 05:24:51 | 8084 |
| George/Umatilla | 05:09:51 | -11.3 | NT | Down | 19.1 | 161.5 | Really Low | 04:54:51 - 05:24:51 | 8069 |
| Yakima | 05:09:55 | -10.3 | NT | Down | 18.2 | 160.4 | Really Low | 04:54:55 - 05:24:55 | 8068 |
| Toppenish/White Swan | 05:09:54 | -10.5 | NT | Down | 18.4 | 160.5 | Really Low | 04:54:54 - 05:24:54 | 8063 |
| Goldendale | 05:09:57 | -10.8 | NT | Down | 18.8 | 160.1 | Really Low | 04:54:57 - 05:24:57 | 8025 |
| The Dalles | 05:09:57 | -10.8 | NT | Down | 18.9 | 159.7 | Really Low | 04:54:57 - 05:24:57 | 8005 |
| Maupin | 05:09:58 | -11.1 | NT | Down | 19.4 | 159.8 | Really Low | 04:54:58 - 05:24:58 | 7987 |
| Madras/Culver | 05:09:58 | -11.5 | NT | Down | 19.9 | 159.7 | Really Low | 04:54:58 - 05:24:58 | 7959 |
| Redmond | 05:09:59 | -11.8 | NT | Down | 20.2 | 159.6 | Low | 04:54:59 - 05:24:59 | 7940 |
| Sisters | 05:09:59 | -11.6 | NT | Down | 20.1 | 159.2 | Low | 04:54:59 - 05:24:59 | 7930 |
| Bend | 05:09:59 | -11.9 | NT | Down | 20.4 | 159.4 | Low | 04:54:59 - 05:24:59 | 7925 |
| Oregon Observatory | 05:10:01 | -12.0 | NT | Down | 20.5 | 159.3 | Low | 04:55:01 - 05:25:01 | 7913 |
| La Pine/Gilchrist | 05:10:00 | -12.1 | AT | Down | 20.7 | 159.2 | Low | 04:55:00 - 05:25:00 | 7901 |
| North Lake | 05:09:58 | -12.7 | AT | Down | 21.2 | 159.7 | Low | 04:54:58 - 05:24:58 | 7895 |
| Paisley | 05:09:58 | -13.3 | AT | Down | 21.8 | 159.9 | Low | 04:54:58 - 05:24:58 | 7877 |
| Lakeview | 05:09:57 | -13.8 | AT | Down | 22.4 | 160.1 | Low | 04:54:57 - 05:24:57 | 7855 |
| Chiloquin | 05:10:02 | -12.8 | AT | Down | 21.6 | 158.7 | Low | 04:55:02 - 05:25:02 | 7833 |
| Cedarville | 05:09:58 | -14.4 | AT | Down | 23.0 | 160.1 | Low | 04:54:58 - 05:24:58 | 7825 |
| Klamath Falls | 05:10:01 | -13.1 | AT | Down | 22.0 | 158.7 | Low | 04:55:01 - 05:25:01 | 7817 |
| Tulelake | 05:10:01 | -13.4 | AT | Down | 22.3 | 159.0 | Low | 04:55:01 - 05:25:01 | 7811 |
| Fall River/Burney | 05:10:01 | -14.1 | AT | Down | 23.2 | 158.9 | Low | 04:55:01 - 05:25:01 | 7764 |
| Susanville | 05:09:59 | -15.0 | AT | Down | 23.9 | 159.5 | Low | 04:54:59 - 05:24:59 | 7750 |
| Gimple | 05:10:00 | -15.1 | AT | Down | 24.1 | 159.3 | Low | 04:55:00 - 05:25:00 | 7728 |
| Greenville | 05:10:00 | -15.0 | AT | Down | 24.1 | 159.2 | Low | 04:55:00 - 05:25:00 | 7726 |
| Reno | 05:09:57 | -16.0 | AT | Down | 25.0 | 160.2 | Low | 04:54:57 - 05:24:57 | 7725 |
| Portola | 05:09:59 | -15.5 | AT | Down | 24.6 | 159.6 | Low | 04:54:59 - 05:24:59 | 7721 |
| Tonopah | 05:09:49 | -18.5 | Dark | Down | 27.0 | 162.5 | Low | 04:54:49 - 05:24:49 | 7715 |
| Quincy | 05:10:01 | -15.2 | AT | Down | 24.3 | 159.2 | Low | 04:55:01 - 05:25:01 | 7715 |
| Yerington | 05:09:54 | -16.8 | AT | Down | 25.7 | 160.7 | Low | 04:54:54 - 05:24:54 | 7713 |
| Carson City | 05:09:58 | -16.3 | AT | Down | 25.3 | 160.1 | Low | 04:54:58 - 05:24:58 | 7705 |
| Hawthorne | 05:09:54 | -17.4 | AT | Down | 26.2 | 161.2 | Low | 04:54:54 - 05:24:54 | 7701 |
| Gardnerville | 05:09:58 | -16.5 | AT | Down | 25.6 | 160.1 | Low | 04:54:58 - 05:24:58 | 7693 |
| Indian Springs | 05:09:43 | -20.4 | Dark | Down | 28.8 | 163.8 | Low | 04:54:43 - 05:24:43 | 7671 |
| Beatty | 05:09:47 | -19.6 | Dark | Down | 28.2 | 162.8 | Low | 04:54:47 - 05:24:47 | 7659 |
| Henderson | 05:09:42 | -21.1 | Dark | Down | 29.5 | 164.4 | Low | 04:54:42 - 05:24:42 | 7658 |
| Lee Vining | 05:09:56 | -17.6 | AT | Down | 26.7 | 160.6 | Low | 04:54:56 - 05:24:56 | 7654 |
| DCO | 05:09:34 | -22.8 | Dark | Down | 30.7 | 166.1 | Up | 04:54:34 - 05:24:34 | 7653 |
| Patrick | 05:09:37 | -22.2 | Dark | Down | 30.3 | 165.4 | Up | 04:54:37 - 05:24:37 | 7652 |
| Bishop | 05:09:53 | -18.4 | Dark | Down | 27.4 | 161.2 | Low | 04:54:53 - 05:24:53 | 7640 |
| Kingman/Dolan Springs | 05:09:37 | -22.3 | Dark | Down | 30.5 | 165.2 | Up | 04:54:37 - 05:24:37 | 7633 |
| Searchlight/Boulder City | 05:09:42 | -21.6 | Dark | Down | 30.0 | 164.4 | Up | 04:54:42 - 05:24:42 | 7625 |
| Laughlin/Bullhead City | 05:09:40 | -22.0 | Dark | Down | 30.4 | 164.7 | Up | 04:54:40 - 05:24:40 | 7617 |
| Lone Pine | 05:09:52 | -19.2 | Dark | Down | 28.2 | 161.4 | Low | 04:54:52 - 05:24:52 | 7604 |
| Mohave Valley | 05:09:40 | -22.3 | Dark | Down | 30.7 | 164.6 | Up | 04:54:40 - 05:24:40 | 7600 |
| Lake Havasu City | 05:09:39 | -22.7 | Dark | Down | 31.1 | 164.8 | Up | 04:54:39 - 05:24:39 | 7582 |
| Parker | 05:09:38 | -23.0 | Dark | Down | 31.4 | 164.8 | Up | 04:54:38 - 05:24:38 | 7561 |
| Blythe | 05:09:40 | -23.3 | Dark | Down | 31.9 | 164.4 | Up | 04:54:40 - 05:24:40 | 7519 |
| Idyllwild | 05:09:47 | -22.1 | Dark | Down | 31.3 | 162.3 | Up | 04:54:47 - 05:24:47 | 7464 |
| Calipatria | 05:09:44 | -23.2 | Dark | Down | 32.1 | 163.4 | Up | 04:54:44 - 05:24:44 | 7460 |
| Yuma | 05:09:40 | -24.0 | Dark | Down | 32.8 | 164.2 | Up | 04:54:40 - 05:24:40 | 7458 |
| CPSLO | 05:10:02 | -18.8 | Dark | Down | 28.7 | 158.6 | Low | 04:55:02 - 05:25:02 | 7444 |
| Wildwood | 05:09:54 | -20.8 | Dark | Down | 30.4 | 160.4 | Up | 04:54:54 - 05:24:54 | 7430 |
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 168703, (2020/06/10 05:08UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 10.75 65 7Del Sco 16:00:20.0 -22:37:18 2.3 3.61 73 42 Lib 15:40:16.9 -23:49:05 5.0 1.39 77 PPM 264655 15:45:42.9 -22:45:12 6.8 0.26 76 PPM 264645 15:45:11.4 -22:53:26 8.9 0.11 76 168703 15:44:43.8 -22:52:34 16.5 76 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:48:48 UT
Marc W. Buie, Southwest Research Institute