Event between 15KC176 and star GA0760:05588399 with event index number of 1011244
Geocentric closest approach at 2020/06/19 08:39:51 UTC
J2000 position of star is 16:11:25.3 -13:46:31
Equinox of date position of star is 16:12:29.0 -13:49:23
Stellar brightness G=14.3,
use SENSEUP=64
Star is 174 degrees from the moon.
Moon is 4% illuminated.
TNO apparent brightness V=24.8
[RECON map]
TNO is 38.7 AU from the Sun
and 37.8 AU from the Earth.
The TNO is moving 21.8
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 1276 seconds.
The 1-sigma cross-track error in the shadow position is
4631 km.
The sky-plane scale is
27389.2 km/arcsec.
The TNO has an absolute magnitude Hv=8.9
Diameter=101.9 km assuming a 5% albedo -- 4.7 sec chord
Diameter=41.6 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 15KC176, (2020/06/19 08:40UT) Object RA Dec mag sep mel Antares 16:30:39.9 -26:28:32 0.9 13.34 172 8Bet1Sco 16:06:37.8 -19:51:36 2.6 6.20 177 11 Sco 16:08:44.7 -12:47:56 6.1 1.39 173 PPM 231318 16:12:12.6 -14:02:39 8.0 0.23 174 PPM 231320 16:12:20.8 -13:53:20 9.5 0.08 174 15KC176 16:12:34.2 -13:49:37 14.3 174 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
0.7 sigma about the mid-time.
The median site spacing is 13.2 km
RECON observability=0.9 and success probability=3.2%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 08:38:40 | -16.1 | AT | Down | 19.1 | 216.6 | Really Low | 08:23:40 - 08:53:40 | 7812 |
| Summerland | 08:38:42 | -16.2 | AT | Down | 19.3 | 216.3 | Really Low | 08:23:42 - 08:53:42 | 7810 |
| Penticton | 08:38:41 | -16.5 | AT | Down | 19.5 | 216.5 | Really Low | 08:23:41 - 08:53:41 | 7795 |
| Okanagan Falls | 08:38:39 | -16.7 | AT | Down | 19.6 | 216.5 | Really Low | 08:23:39 - 08:53:39 | 7786 |
| Oliver | 08:38:40 | -16.9 | AT | Down | 19.8 | 216.6 | Really Low | 08:23:40 - 08:53:40 | 7779 |
| Anarchist Mountain Observatory | 08:38:38 | -17.0 | AT | Down | 19.8 | 216.8 | Really Low | 08:23:38 - 08:53:38 | 7771 |
| Oroville | 08:38:38 | -17.1 | AT | Down | 19.9 | 216.8 | Really Low | 08:23:38 - 08:53:38 | 7767 |
| Tonasket | 08:38:38 | -17.3 | AT | Down | 20.1 | 216.8 | Low | 08:23:38 - 08:53:38 | 7756 |
| Okanogan | 08:38:37 | -17.7 | AT | Down | 20.4 | 216.7 | Low | 08:23:37 - 08:53:37 | 7740 |
| Brewster | 08:38:37 | -18.0 | AT | Down | 20.7 | 216.6 | Low | 08:23:37 - 08:53:37 | 7728 |
| Manson/Chelan | 08:38:37 | -18.2 | Dark | Down | 21.0 | 216.3 | Low | 08:23:37 - 08:53:37 | 7718 |
| Entiat | 08:38:36 | -18.4 | Dark | Down | 21.2 | 216.3 | Low | 08:23:36 - 08:53:36 | 7707 |
| Wenatchee | 08:38:37 | -18.7 | Dark | Down | 21.5 | 216.3 | Low | 08:23:37 - 08:53:37 | 7695 |
| Ellensburg | 08:38:36 | -19.1 | Dark | Down | 21.9 | 216.1 | Low | 08:23:36 - 08:53:36 | 7674 |
| Yakima | 08:38:36 | -19.5 | Dark | Down | 22.2 | 216.2 | Low | 08:23:36 - 08:53:36 | 7654 |
| Toppenish/White Swan | 08:38:35 | -19.7 | Dark | Down | 22.4 | 216.4 | Low | 08:23:35 - 08:53:35 | 7642 |
| Pasco | 08:38:31 | -19.7 | Dark | Down | 21.9 | 217.6 | Low | 08:23:31 - 08:53:31 | 7635 |
| PNWRO | 08:38:29 | -19.9 | Dark | Down | 22.0 | 217.9 | Low | 08:23:29 - 08:53:29 | 7622 |
| George/Umatilla | 08:38:31 | -20.1 | Dark | Down | 22.3 | 217.5 | Low | 08:23:31 - 08:53:31 | 7618 |
| Goldendale | 08:38:35 | -20.3 | Dark | Down | 23.0 | 216.2 | Low | 08:23:35 - 08:53:35 | 7614 |
| The Dalles | 08:38:35 | -20.6 | Dark | Down | 23.3 | 215.9 | Low | 08:23:35 - 08:53:35 | 7603 |
| Maupin | 08:38:33 | -21.0 | Dark | Down | 23.6 | 216.1 | Low | 08:23:33 - 08:53:33 | 7580 |
| Madras/Culver | 08:38:33 | -21.5 | Dark | Down | 24.1 | 216.2 | Low | 08:23:33 - 08:53:33 | 7551 |
| Sisters | 08:38:33 | -21.9 | Dark | Down | 24.5 | 215.8 | Low | 08:23:33 - 08:53:33 | 7533 |
| Redmond | 08:38:32 | -21.9 | Dark | Down | 24.4 | 216.2 | Low | 08:23:32 - 08:53:32 | 7531 |
| Bend | 08:38:32 | -22.1 | Dark | Down | 24.6 | 216.1 | Low | 08:23:32 - 08:53:32 | 7520 |
| Oregon Observatory | 08:38:32 | -22.3 | Dark | Down | 24.8 | 216.0 | Low | 08:23:32 - 08:53:32 | 7510 |
| La Pine/Gilchrist | 08:38:31 | -22.5 | Dark | Down | 25.0 | 216.0 | Low | 08:23:31 - 08:53:31 | 7499 |
| North Lake | 08:38:28 | -22.9 | Dark | Down | 25.1 | 216.7 | Low | 08:23:28 - 08:53:28 | 7474 |
| Paisley | 08:38:26 | -23.4 | Dark | Down | 25.4 | 217.2 | Low | 08:23:26 - 08:53:26 | 7442 |
| Chiloquin | 08:38:31 | -23.7 | Dark | Down | 26.1 | 216.0 | Low | 08:23:31 - 08:53:31 | 7436 |
| Klamath Falls | 08:38:28 | -24.0 | Dark | Down | 26.3 | 216.2 | Low | 08:23:28 - 08:53:28 | 7416 |
| Lakeview | 08:38:24 | -23.9 | Dark | Down | 25.7 | 217.6 | Low | 08:23:24 - 08:53:24 | 7413 |
| Tulelake | 08:38:28 | -24.2 | Dark | Down | 26.4 | 216.5 | Low | 08:23:28 - 08:53:28 | 7400 |
| Cedarville | 08:38:23 | -24.5 | Dark | Down | 26.1 | 217.9 | Low | 08:23:23 - 08:53:23 | 7374 |
| Fall River/Burney | 08:38:25 | -25.1 | Dark | Down | 27.1 | 216.9 | Low | 08:23:25 - 08:53:25 | 7346 |
| Susanville | 08:38:21 | -25.7 | Dark | Down | 27.2 | 217.8 | Low | 08:23:21 - 08:53:21 | 7307 |
| Greenville | 08:38:22 | -26.0 | Dark | Down | 27.6 | 217.6 | Low | 08:23:22 - 08:53:22 | 7290 |
| Gimple | 08:38:21 | -26.0 | Dark | Down | 27.6 | 217.7 | Low | 08:23:21 - 08:53:21 | 7290 |
| Quincy | 08:38:21 | -26.2 | Dark | Down | 27.8 | 217.7 | Low | 08:23:21 - 08:53:21 | 7278 |
| Portola | 08:38:19 | -26.2 | Dark | Down | 27.6 | 218.1 | Low | 08:23:19 - 08:53:19 | 7270 |
| Reno | 08:38:16 | -26.4 | Dark | Down | 27.5 | 218.8 | Low | 08:23:16 - 08:53:16 | 7252 |
| Carson City | 08:38:16 | -26.8 | Dark | Down | 27.8 | 219.0 | Low | 08:23:16 - 08:53:16 | 7230 |
| Niwot | 08:37:35 | -22.7 | Dark | Down | 19.3 | 231.4 | Really Low | 08:22:35 - 08:52:35 | 7227 |
| Yerington | 08:38:13 | -26.9 | Dark | Down | 27.7 | 219.6 | Low | 08:23:13 - 08:53:13 | 7216 |
| Gardnerville | 08:38:15 | -27.0 | Dark | Down | 28.0 | 219.1 | Low | 08:23:15 - 08:53:15 | 7214 |
| Hawthorne | 08:38:10 | -27.3 | Dark | Down | 27.8 | 220.3 | Low | 08:23:10 - 08:53:10 | 7186 |
| Tonopah | 08:38:05 | -27.5 | Dark | Down | 27.4 | 221.7 | Low | 08:23:05 - 08:53:05 | 7153 |
| Lee Vining | 08:38:11 | -27.9 | Dark | Down | 28.4 | 220.0 | Low | 08:23:11 - 08:53:11 | 7150 |
| Bishop | 08:38:07 | -28.4 | Dark | Down | 28.5 | 220.9 | Low | 08:23:07 - 08:53:07 | 7110 |
| Beatty | 08:38:01 | -28.5 | Dark | Down | 28.0 | 222.5 | Low | 08:23:01 - 08:53:01 | 7075 |
| Lone Pine | 08:38:04 | -29.1 | Dark | Down | 28.9 | 221.5 | Low | 08:23:04 - 08:53:04 | 7058 |
| Indian Springs | 08:37:56 | -28.7 | Dark | Down | 27.7 | 223.6 | Low | 08:22:56 - 08:52:56 | 7050 |
| Henderson | 08:37:53 | -29.0 | Dark | Down | 27.7 | 224.4 | Low | 08:22:53 - 08:52:53 | 7012 |
| CPSLO | 08:38:11 | -30.7 | Dark | Down | 31.3 | 219.5 | Up | 08:23:11 - 08:53:11 | 6974 |
| Searchlight/Boulder City | 08:37:51 | -29.6 | Dark | Down | 28.1 | 224.7 | Low | 08:22:51 - 08:52:51 | 6972 |
| Patrick | 08:37:48 | -29.4 | Dark | Down | 27.5 | 225.6 | Low | 08:22:48 - 08:52:48 | 6965 |
| Laughlin/Bullhead City | 08:37:50 | -29.8 | Dark | Down | 28.1 | 225.1 | Low | 08:22:50 - 08:52:50 | 6951 |
| Kingman/Dolan Springs | 08:37:48 | -29.7 | Dark | Down | 27.8 | 225.6 | Low | 08:22:48 - 08:52:48 | 6950 |
| DCO | 08:37:45 | -29.5 | Dark | Down | 27.3 | 226.4 | Low | 08:22:45 - 08:52:45 | 6941 |
| Mohave Valley | 08:37:49 | -30.1 | Dark | Down | 28.3 | 225.2 | Low | 08:22:49 - 08:52:49 | 6932 |
| Lake Havasu City | 08:37:47 | -30.4 | Dark | Down | 28.4 | 225.6 | Low | 08:22:47 - 08:52:47 | 6903 |
| Wildwood | 08:38:01 | -31.6 | Dark | Down | 31.1 | 221.9 | Up | 08:23:01 - 08:53:01 | 6886 |
| Parker | 08:37:48 | -30.7 | Dark | Down | 28.6 | 225.7 | Low | 08:22:48 - 08:52:48 | 6878 |
| Idyllwild | 08:37:53 | -31.6 | Dark | Down | 30.3 | 223.8 | Up | 08:22:53 - 08:52:53 | 6856 |
| Blythe | 08:37:46 | -31.3 | Dark | Down | 29.2 | 225.7 | Low | 08:22:46 - 08:52:46 | 6841 |
| Calipatria | 08:37:48 | -32.0 | Dark | Down | 30.1 | 225.1 | Up | 08:22:48 - 08:52:48 | 6809 |
| Yuma | 08:37:44 | -32.2 | Dark | Down | 29.8 | 226.0 | Low | 08:22:44 - 08:52:44 | 6774 |
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 15KC176, (2020/06/19 08:40UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 13.34 172 8Bet1Sco 16:05:26.2 -19:48:20 2.6 6.20 177 11 Sco 16:07:36.3 -12:44:44 6.1 1.39 173 PPM 231318 16:11:03.6 -13:59:32 8.0 0.23 174 PPM 231320 16:11:11.8 -13:50:13 9.5 0.08 174 15KC176 16:11:25.3 -13:46:31 14.3 174 Positions are for J2000
Event circumstances last updated at 2018/12/02 21:48:41 UT
Marc W. Buie, Southwest Research Institute