Event between 01FM194 and star GA0920:03922116 with event index number of 258214
Geocentric closest approach at 2020/05/23 09:07:52 UTC
J2000 position of star is 14:35:24.4 +03:20:44
Equinox of date position of star is 14:36:23.3 +03:15:41
Stellar brightness G=16.0,
use SENSEUP=128
Star is 142 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=23.0
[RECON map]
TNO is 34.4 AU from the Sun
and 33.5 AU from the Earth.
The TNO is moving 21.0
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 285 seconds.
The 1-sigma cross-track error in the shadow position is
1482 km.
The sky-plane scale is
24293.6 km/arcsec.
The TNO has an absolute magnitude Hv=7.6
Diameter=182.8 km assuming a 5% albedo -- 8.7 sec chord
Diameter=74.6 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is SCATNEAR
Star training set for 01FM194, (2020/05/23 09:08UT) Object RA Dec mag sep mel Arcturus 14:16:35.6 +19:04:39 0.0 16.55 128 27Bet Lib 15:18:06.4 -09:27:25 2.6 16.41 158 PPM 160711 14:31:46.7 +04:40:57 6.0 1.84 141 PPM 160789 14:36:37.6 +03:22:45 8.1 0.13 142 PPM 160788 14:36:37.1 +03:17:42 9.5 0.06 142 01FM194 14:36:26.1 +03:15:26 16.0 143 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
3.2 sigma about the mid-time.
The median site spacing is 15.0 km
RECON observability=1.0 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 | 09:06:46 | -17.6 | AT | Down | 32.5 | 229.4 | Up | 08:51:46 - 09:21:46 | 10340 |
| Summerland | 09:06:45 | -17.9 | AT | Down | 32.9 | 229.3 | Up | 08:51:45 - 09:21:45 | 10317 |
| Penticton | 09:06:44 | -18.0 | AT | Down | 32.9 | 229.4 | Up | 08:51:44 - 09:21:44 | 10315 |
| Okanagan Falls | 09:06:44 | -18.2 | Dark | Down | 33.0 | 229.5 | Up | 08:51:44 - 09:21:44 | 10303 |
| Oliver | 09:06:44 | -18.3 | Dark | Down | 33.1 | 229.6 | Up | 08:51:44 - 09:21:44 | 10294 |
| Anarchist Mountain Observatory | 09:06:42 | -18.4 | Dark | Down | 33.1 | 229.9 | Up | 08:51:42 - 09:21:42 | 10287 |
| Oroville | 09:06:42 | -18.5 | Dark | Down | 33.2 | 229.8 | Up | 08:51:42 - 09:21:42 | 10281 |
| Tonasket | 09:06:42 | -18.8 | Dark | Down | 33.4 | 230.0 | Up | 08:51:42 - 09:21:42 | 10267 |
| Okanogan | 09:06:41 | -19.1 | Dark | Down | 33.6 | 230.0 | Up | 08:51:41 - 09:21:41 | 10243 |
| Brewster | 09:06:40 | -19.4 | Dark | Down | 33.9 | 229.9 | Up | 08:51:40 - 09:21:40 | 10223 |
| Manson/Chelan | 09:06:41 | -19.7 | Dark | Down | 34.2 | 229.6 | Up | 08:51:41 - 09:21:41 | 10204 |
| Entiat | 09:06:40 | -19.9 | Dark | Down | 34.4 | 229.7 | Up | 08:51:40 - 09:21:40 | 10189 |
| Wenatchee | 09:06:39 | -20.2 | Dark | Down | 34.6 | 229.7 | Up | 08:51:39 - 09:21:39 | 10171 |
| Ellensburg | 09:06:39 | -20.6 | Dark | Down | 35.0 | 229.7 | Up | 08:51:39 - 09:21:39 | 10141 |
| Pasco | 09:06:33 | -21.0 | Dark | Down | 34.8 | 231.5 | Up | 08:51:33 - 09:21:33 | 10117 |
| Yakima | 09:06:37 | -21.0 | Dark | Down | 35.3 | 229.9 | Up | 08:51:37 - 09:21:37 | 10114 |
| PNWRO | 09:06:31 | -21.2 | Dark | Down | 34.8 | 231.9 | Up | 08:51:31 - 09:21:31 | 10105 |
| Toppenish/White Swan | 09:06:36 | -21.2 | Dark | Down | 35.4 | 230.2 | Up | 08:51:36 - 09:21:36 | 10103 |
| George/Umatilla | 09:06:32 | -21.4 | Dark | Down | 35.1 | 231.5 | Up | 08:51:32 - 09:21:32 | 10092 |
| Goldendale | 09:06:36 | -21.8 | Dark | Down | 35.9 | 230.0 | Up | 08:51:36 - 09:21:36 | 10059 |
| The Dalles | 09:06:36 | -22.1 | Dark | Down | 36.3 | 229.8 | Up | 08:51:36 - 09:21:36 | 10038 |
| Maupin | 09:06:34 | -22.5 | Dark | Down | 36.5 | 230.1 | Up | 08:51:34 - 09:21:34 | 10011 |
| Madras/Culver | 09:06:33 | -23.0 | Dark | Down | 36.9 | 230.4 | Up | 08:51:33 - 09:21:33 | 9974 |
| Redmond | 09:06:32 | -23.3 | Dark | Down | 37.1 | 230.5 | Up | 08:51:32 - 09:21:32 | 9948 |
| Sisters | 09:06:33 | -23.4 | Dark | Down | 37.3 | 230.1 | Up | 08:51:33 - 09:21:33 | 9943 |
| Niwot | 09:05:36 | -22.3 | Dark | Down | 29.2 | 247.4 | Low | 08:50:36 - 09:20:36 | 9940 |
| Bend | 09:06:30 | -23.6 | Dark | Down | 37.3 | 230.5 | Up | 08:51:30 - 09:21:30 | 9931 |
| SwRI | 09:05:36 | -22.4 | Dark | Down | 29.3 | 247.4 | Low | 08:50:36 - 09:20:36 | 9931 |
| Oregon Observatory | 09:06:32 | -23.8 | Dark | Down | 37.5 | 230.5 | Up | 08:51:32 - 09:21:32 | 9917 |
| La Pine/Gilchrist | 09:06:30 | -24.0 | Dark | Down | 37.7 | 230.5 | Up | 08:51:30 - 09:21:30 | 9901 |
| North Lake | 09:06:28 | -24.3 | Dark | Down | 37.6 | 231.4 | Up | 08:51:28 - 09:21:28 | 9882 |
| Paisley | 09:06:25 | -24.7 | Dark | Down | 37.8 | 232.1 | Up | 08:51:25 - 09:21:25 | 9850 |
| Lakeview | 09:06:23 | -25.2 | Dark | Down | 38.0 | 232.6 | Up | 08:51:23 - 09:21:23 | 9818 |
| Chiloquin | 09:06:28 | -25.1 | Dark | Down | 38.6 | 230.8 | Up | 08:51:28 - 09:21:28 | 9816 |
| Klamath Falls | 09:06:26 | -25.4 | Dark | Down | 38.8 | 231.1 | Up | 08:51:26 - 09:21:26 | 9793 |
| Tulelake | 09:06:26 | -25.6 | Dark | Down | 38.8 | 231.6 | Up | 08:51:26 - 09:21:26 | 9780 |
| Cedarville | 09:06:21 | -25.8 | Dark | Down | 38.3 | 233.2 | Up | 08:51:21 - 09:21:21 | 9774 |
| Fall River/Burney | 09:06:22 | -26.5 | Dark | Down | 39.3 | 232.2 | Up | 08:51:22 - 09:21:22 | 9715 |
| Susanville | 09:06:18 | -26.9 | Dark | Down | 39.2 | 233.4 | Up | 08:51:18 - 09:21:18 | 9683 |
| Gimple | 09:06:17 | -27.2 | Dark | Down | 39.5 | 233.3 | Up | 08:51:17 - 09:21:17 | 9659 |
| Greenville | 09:06:19 | -27.3 | Dark | Down | 39.6 | 233.3 | Up | 08:51:19 - 09:21:19 | 9657 |
| Quincy | 09:06:18 | -27.5 | Dark | Down | 39.7 | 233.4 | Up | 08:51:18 - 09:21:18 | 9642 |
| Portola | 09:06:16 | -27.5 | Dark | Down | 39.5 | 234.0 | Up | 08:51:16 - 09:21:16 | 9642 |
| Reno | 09:06:13 | -27.6 | Dark | Down | 39.2 | 234.8 | Up | 08:51:13 - 09:21:13 | 9635 |
| Carson City | 09:06:12 | -27.9 | Dark | Down | 39.4 | 235.0 | Up | 08:51:12 - 09:21:12 | 9609 |
| Yerington | 09:06:09 | -27.9 | Dark | Down | 39.2 | 235.8 | Up | 08:51:09 - 09:21:09 | 9606 |
| Gardnerville | 09:06:11 | -28.1 | Dark | Down | 39.6 | 235.2 | Up | 08:51:11 - 09:21:11 | 9591 |
| Hawthorne | 09:06:06 | -28.2 | Dark | Down | 39.1 | 236.6 | Up | 08:51:06 - 09:21:06 | 9582 |
| Tonopah | 09:06:01 | -28.3 | Dark | Down | 38.4 | 238.3 | Up | 08:51:01 - 09:21:01 | 9574 |
| Lee Vining | 09:06:06 | -28.9 | Dark | Down | 39.7 | 236.5 | Up | 08:51:06 - 09:21:06 | 9529 |
| Bishop | 09:06:02 | -29.3 | Dark | Down | 39.6 | 237.6 | Up | 08:51:02 - 09:21:02 | 9497 |
| Beatty | 09:05:56 | -29.2 | Dark | Down | 38.7 | 239.5 | Up | 08:50:56 - 09:20:56 | 9494 |
| Indian Springs | 09:05:52 | -29.2 | Dark | Down | 38.1 | 240.7 | Up | 08:50:52 - 09:20:52 | 9490 |
| Henderson | 09:05:48 | -29.5 | Dark | Down | 37.9 | 241.6 | Up | 08:50:48 - 09:20:48 | 9461 |
| Lone Pine | 09:05:59 | -29.9 | Dark | Down | 39.7 | 238.5 | Up | 08:50:59 - 09:20:59 | 9445 |
| Patrick | 09:05:43 | -29.7 | Dark | Down | 37.4 | 243.0 | Up | 08:50:43 - 09:20:43 | 9434 |
| DCO | 09:05:39 | -29.7 | Dark | Down | 37.0 | 243.8 | Up | 08:50:39 - 09:20:39 | 9424 |
| Searchlight/Boulder City | 09:05:45 | -30.0 | Dark | Down | 38.1 | 242.1 | Up | 08:50:45 - 09:20:45 | 9417 |
| Kingman/Dolan Springs | 09:05:41 | -29.9 | Dark | Down | 37.7 | 243.0 | Up | 08:50:41 - 09:20:41 | 9413 |
| Laughlin/Bullhead City | 09:05:44 | -30.1 | Dark | Down | 38.0 | 242.6 | Up | 08:50:44 - 09:20:44 | 9401 |
| Mohave Valley | 09:05:43 | -30.4 | Dark | Down | 38.2 | 242.8 | Up | 08:50:43 - 09:20:43 | 9379 |
| Lake Havasu City | 09:05:40 | -30.7 | Dark | Down | 38.2 | 243.3 | Up | 08:50:40 - 09:20:40 | 9352 |
| Parker | 09:05:40 | -31.0 | Dark | Down | 38.3 | 243.5 | Up | 08:50:40 - 09:20:40 | 9325 |
| CPSLO | 09:06:03 | -31.8 | Dark | Down | 42.2 | 236.9 | Up | 08:51:03 - 09:21:03 | 9288 |
| Blythe | 09:05:38 | -31.6 | Dark | Down | 38.8 | 243.6 | Up | 08:50:38 - 09:20:38 | 9276 |
| Idyllwild | 09:05:46 | -32.2 | Dark | Down | 40.3 | 241.7 | Up | 08:50:46 - 09:20:46 | 9243 |
| Wildwood | 09:05:53 | -32.4 | Dark | Down | 41.4 | 239.8 | Up | 08:50:53 - 09:20:53 | 9233 |
| Calipatria | 09:05:40 | -32.3 | Dark | Down | 39.7 | 243.2 | Up | 08:50:40 - 09:20:40 | 9217 |
| Yuma | 09:05:35 | -32.4 | Dark | Down | 39.2 | 244.3 | Up | 08:50:35 - 09:20:35 | 9200 |
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 01FM194, (2020/05/23 09:08UT) Object RA Dec mag sep mel Arcturus 14:15:38.2 +19:10:18 0.0 16.55 128 27Bet Lib 15:17:00.3 -09:22:59 2.6 16.41 158 PPM 160711 14:30:45.4 +04:46:20 6.0 1.84 141 PPM 160789 14:35:35.9 +03:28:03 8.1 0.13 142 PPM 160788 14:35:35.4 +03:22:59 9.5 0.06 142 01FM194 14:35:24.4 +03:20:44 16.0 142 Positions are for J2000
Event circumstances last updated at 2019/06/13 21:14:51 UT
Marc W. Buie, Southwest Research Institute