Event between (136120) 03LG7 and star GA0760:11936129 with event index number of 261570
Geocentric closest approach at 2020/05/20 10:09:47 UTC
J2000 position of star is 18:05:06.5 -12:10:23
Equinox of date position of star is 18:06:09.7 -12:10:14
Stellar brightness G=17.0,
use SENSEUP=128
Star is 123 degrees from the moon.
Moon is 5% illuminated.
TNO apparent brightness V=23.6
[RECON map]
TNO is 36.9 AU from the Sun
and 36.1 AU from the Earth.
The TNO is moving 20.1
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 449 seconds.
The 1-sigma cross-track error in the shadow position is
3129 km.
The sky-plane scale is
26177.8 km/arcsec.
The TNO has an absolute magnitude Hv=7.9
Diameter=158.5 km assuming a 5% albedo -- 7.9 sec chord
Diameter=64.7 km assuming a 30% albedo -- 3.2 sec chord
Dynamical classification is 3:1EE
Star training set for 136120, (2020/05/20 10:10UT) Object RA Dec mag sep mel Antares 16:30:39.6 -26:28:32 0.9 26.62 143 35Eta Oph 17:11:32.9 -15:44:56 2.6 13.74 136 PPM 234113 18:10:52.8 -13:55:46 6.4 2.09 122 PPM 233945 18:03:30.9 -12:19:01 7.6 0.68 124 PPM 234000 18:06:14.0 -12:24:35 9.4 0.24 123 136120 18:06:15.0 -12:10:13 17.0 123 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
2.0 sigma about the mid-time.
The median site spacing is 14.4 km
RECON observability=0.9 and success probability=0.7%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 10:10:47 | -13.7 | AT | Down | 27.9 | 180.6 | Low | 09:55:47 - 10:25:47 | 10298 |
| Summerland | 10:10:47 | -13.9 | AT | Down | 28.0 | 180.2 | Low | 09:55:47 - 10:25:47 | 10290 |
| Penticton | 10:10:46 | -14.1 | AT | Down | 28.3 | 180.4 | Low | 09:55:46 - 10:25:46 | 10277 |
| Okanagan Falls | 10:10:47 | -14.3 | AT | Down | 28.5 | 180.4 | Low | 09:55:47 - 10:25:47 | 10267 |
| Oliver | 10:10:47 | -14.4 | AT | Down | 28.6 | 180.4 | Low | 09:55:47 - 10:25:47 | 10258 |
| Anarchist Mountain Observatory | 10:10:46 | -14.5 | AT | Down | 28.8 | 180.7 | Low | 09:55:46 - 10:25:46 | 10253 |
| Oroville | 10:10:47 | -14.6 | AT | Down | 28.9 | 180.6 | Low | 09:55:47 - 10:25:47 | 10248 |
| Tonasket | 10:10:47 | -14.8 | AT | Down | 29.1 | 180.6 | Low | 09:55:47 - 10:25:47 | 10235 |
| Okanogan | 10:10:47 | -15.1 | AT | Down | 29.5 | 180.4 | Low | 09:55:47 - 10:25:47 | 10215 |
| Brewster | 10:10:47 | -15.4 | AT | Down | 29.7 | 180.2 | Low | 09:55:47 - 10:25:47 | 10197 |
| Manson/Chelan | 10:10:49 | -15.7 | AT | Down | 29.9 | 179.8 | Low | 09:55:49 - 10:25:49 | 10180 |
| Entiat | 10:10:47 | -15.9 | AT | Down | 30.2 | 179.7 | Up | 09:55:47 - 10:25:47 | 10167 |
| Wenatchee | 10:10:48 | -16.2 | AT | Down | 30.4 | 179.6 | Up | 09:55:48 - 10:25:48 | 10151 |
| Ellensburg | 10:10:49 | -16.6 | AT | Down | 30.8 | 179.3 | Up | 09:55:49 - 10:25:49 | 10124 |
| Pasco | 10:10:44 | -16.7 | AT | Down | 31.6 | 180.9 | Up | 09:55:44 - 10:25:44 | 10107 |
| Yakima | 10:10:49 | -16.9 | AT | Down | 31.2 | 179.3 | Up | 09:55:49 - 10:25:49 | 10101 |
| PNWRO | 10:10:43 | -16.8 | AT | Down | 31.8 | 181.2 | Up | 09:55:43 - 10:25:43 | 10096 |
| Toppenish/White Swan | 10:10:48 | -17.1 | AT | Down | 31.5 | 179.5 | Up | 09:55:48 - 10:25:48 | 10092 |
| George/Umatilla | 10:10:44 | -17.0 | AT | Down | 31.9 | 180.7 | Up | 09:55:44 - 10:25:44 | 10084 |
| Goldendale | 10:10:49 | -17.7 | AT | Down | 32.0 | 179.0 | Up | 09:55:49 - 10:25:49 | 10053 |
| The Dalles | 10:10:51 | -18.0 | Dark | Down | 32.2 | 178.6 | Up | 09:55:51 - 10:25:51 | 10033 |
| Maupin | 10:10:51 | -18.3 | Dark | Down | 32.6 | 178.7 | Up | 09:55:51 - 10:25:51 | 10011 |
| Madras/Culver | 10:10:50 | -18.8 | Dark | Down | 33.2 | 178.6 | Up | 09:55:50 - 10:25:50 | 9977 |
| Niwot | 10:09:42 | -14.9 | AT | Down | 36.0 | 197.6 | Up | 09:54:42 - 10:24:42 | 9955 |
| Redmond | 10:10:50 | -19.1 | Dark | Down | 33.5 | 178.6 | Up | 09:55:50 - 10:25:50 | 9955 |
| Sisters | 10:10:51 | -19.3 | Dark | Down | 33.5 | 178.1 | Up | 09:55:51 - 10:25:51 | 9949 |
| Bend | 10:10:50 | -19.4 | Dark | Down | 33.8 | 178.4 | Up | 09:55:50 - 10:25:50 | 9940 |
| Oregon Observatory | 10:10:51 | -19.6 | Dark | Down | 33.9 | 178.3 | Up | 09:55:51 - 10:25:51 | 9927 |
| La Pine/Gilchrist | 10:10:49 | -19.8 | Dark | Down | 34.1 | 178.2 | Up | 09:55:49 - 10:25:49 | 9913 |
| North Lake | 10:10:49 | -19.9 | Dark | Down | 34.6 | 178.9 | Up | 09:55:49 - 10:25:49 | 9897 |
| Paisley | 10:10:47 | -20.2 | Dark | Down | 35.1 | 179.3 | Up | 09:55:47 - 10:25:47 | 9869 |
| Lakeview | 10:10:44 | -20.6 | Dark | Down | 35.6 | 179.5 | Up | 09:55:44 - 10:25:44 | 9841 |
| Chiloquin | 10:10:51 | -20.8 | Dark | Down | 35.2 | 177.7 | Up | 09:55:51 - 10:25:51 | 9837 |
| Klamath Falls | 10:10:51 | -21.1 | Dark | Down | 35.6 | 177.8 | Up | 09:55:51 - 10:25:51 | 9817 |
| Tulelake | 10:10:50 | -21.2 | Dark | Down | 35.9 | 178.2 | Up | 09:55:50 - 10:25:50 | 9805 |
| Cedarville | 10:10:45 | -21.0 | Dark | Down | 36.3 | 179.7 | Up | 09:55:45 - 10:25:45 | 9802 |
| Fall River/Burney | 10:10:49 | -21.9 | Dark | Down | 36.8 | 178.2 | Up | 09:55:49 - 10:25:49 | 9748 |
| Susanville | 10:10:45 | -22.2 | Dark | Down | 37.4 | 179.1 | Up | 09:55:45 - 10:25:45 | 9721 |
| Gimple | 10:10:46 | -22.5 | Dark | Down | 37.7 | 178.9 | Up | 09:55:46 - 10:25:46 | 9698 |
| Greenville | 10:10:47 | -22.5 | Dark | Down | 37.7 | 178.8 | Up | 09:55:47 - 10:25:47 | 9697 |
| Portola | 10:10:44 | -22.6 | Dark | Down | 38.0 | 179.3 | Up | 09:55:44 - 10:25:44 | 9684 |
| Quincy | 10:10:46 | -22.7 | Dark | Down | 37.9 | 178.8 | Up | 09:55:46 - 10:25:46 | 9683 |
| Reno | 10:10:41 | -22.5 | Dark | Down | 38.3 | 180.1 | Up | 09:55:41 - 10:25:41 | 9678 |
| Carson City | 10:10:40 | -22.8 | Dark | Down | 38.6 | 180.2 | Up | 09:55:40 - 10:25:40 | 9655 |
| Yerington | 10:10:38 | -22.7 | Dark | Down | 38.8 | 180.9 | Up | 09:55:38 - 10:25:38 | 9653 |
| Gardnerville | 10:10:40 | -23.0 | Dark | Down | 38.9 | 180.2 | Up | 09:55:40 - 10:25:40 | 9639 |
| Hawthorne | 10:10:35 | -22.9 | Dark | Down | 39.3 | 181.6 | Up | 09:55:35 - 10:25:35 | 9632 |
| Tonopah | 10:10:29 | -22.6 | Dark | Down | 39.7 | 183.4 | Up | 09:55:29 - 10:25:29 | 9626 |
| Lee Vining | 10:10:37 | -23.5 | Dark | Down | 39.9 | 181.0 | Up | 09:55:37 - 10:25:37 | 9583 |
| Bishop | 10:10:34 | -23.7 | Dark | Down | 40.4 | 181.9 | Up | 09:55:34 - 10:25:34 | 9556 |
| Beatty | 10:10:26 | -23.3 | Dark | Down | 40.8 | 184.0 | Up | 09:55:26 - 10:25:26 | 9554 |
| Indian Springs | 10:10:22 | -23.0 | Dark | Down | 41.1 | 185.4 | Up | 09:55:22 - 10:25:22 | 9551 |
| Henderson | 10:10:18 | -23.1 | Dark | Down | 41.6 | 186.3 | Up | 09:55:18 - 10:25:18 | 9526 |
| Lone Pine | 10:10:31 | -24.2 | Dark | Down | 41.2 | 182.4 | Up | 09:55:31 - 10:25:31 | 9508 |
| Patrick | 10:10:13 | -23.0 | Dark | Down | 42.1 | 187.8 | Up | 09:55:13 - 10:25:13 | 9501 |
| DCO | 10:10:09 | -22.9 | Dark | Down | 42.3 | 188.8 | Up | 09:55:09 - 10:25:09 | 9492 |
| Searchlight/Boulder City | 10:10:17 | -23.5 | Dark | Down | 42.1 | 186.5 | Up | 09:55:17 - 10:25:17 | 9486 |
| Kingman/Dolan Springs | 10:10:12 | -23.3 | Dark | Down | 42.3 | 187.6 | Up | 09:55:12 - 10:25:12 | 9482 |
| Laughlin/Bullhead City | 10:10:15 | -23.6 | Dark | Down | 42.4 | 186.9 | Up | 09:55:15 - 10:25:15 | 9471 |
| Mohave Valley | 10:10:15 | -23.8 | Dark | Down | 42.7 | 187.0 | Up | 09:55:15 - 10:25:15 | 9451 |
| Lake Havasu City | 10:10:12 | -23.9 | Dark | Down | 43.0 | 187.3 | Up | 09:55:12 - 10:25:12 | 9427 |
| Parker | 10:10:13 | -24.2 | Dark | Down | 43.4 | 187.4 | Up | 09:55:13 - 10:25:13 | 9401 |
| CPSLO | 10:10:42 | -26.4 | Dark | Down | 42.5 | 179.0 | Up | 09:55:42 - 10:25:42 | 9364 |
| Blythe | 10:10:13 | -24.8 | Dark | Down | 43.9 | 187.1 | Up | 09:55:13 - 10:25:13 | 9357 |
| Idyllwild | 10:10:24 | -25.8 | Dark | Down | 44.0 | 184.3 | Up | 09:55:24 - 10:25:24 | 9325 |
| Wildwood | 10:10:33 | -26.4 | Dark | Down | 43.7 | 181.7 | Up | 09:55:33 - 10:25:33 | 9315 |
| Calipatria | 10:10:17 | -25.6 | Dark | Down | 44.5 | 185.9 | Up | 09:55:17 - 10:25:17 | 9302 |
| Yuma | 10:10:13 | -25.5 | Dark | Down | 44.9 | 187.2 | Up | 09:55:13 - 10:25:13 | 9287 |
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 136120, (2020/05/20 10:10UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 26.62 143 35Eta Oph 17:10:22.7 -15:43:29 2.6 13.74 136 PPM 234113 18:09:43.4 -13:56:04 6.4 2.09 122 PPM 233945 18:02:22.2 -12:19:06 7.6 0.68 124 PPM 234000 18:05:05.3 -12:24:45 9.4 0.24 123 136120 18:05:06.5 -12:10:23 17.0 123 Positions are for J2000
Event circumstances last updated at 2018/10/26 21:08:30 UT
Marc W. Buie, Southwest Research Institute