Event between 07FN51 and star GA1100:03434390 with event index number of 260144
Geocentric closest approach at 2020/05/11 10:29:11 UTC
J2000 position of star is 12:46:56.1 +20:25:03
Equinox of date position of star is 12:47:50.8 +20:19:01
Stellar brightness G=16.5,
use SENSEUP=128
Star is 101 degrees from the moon.
Moon is 80% illuminated.
TNO apparent brightness V=24.1
[RECON map]
TNO is 45.2 AU from the Sun
and 44.6 AU from the Earth.
The TNO is moving 17.1
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 1262 seconds.
The 1-sigma cross-track error in the shadow position is
5114 km.
The sky-plane scale is
32355.4 km/arcsec.
The TNO has an absolute magnitude Hv=7.5
Diameter=188.8 km assuming a 5% albedo -- 11.1 sec chord
Diameter=77.1 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is SCATNEAR
Star training set for 07FN51, (2020/05/11 10:29UT) Object RA Dec mag sep mel Arcturus 14:16:35.6 +19:04:42 0.0 20.89 82 Vindemiatrix 13:03:11.5 +10:51:00 2.8 10.14 94 23 Com 12:35:51.8 +22:31:02 4.8 3.58 105 PPM 102216 12:53:01.8 +20:03:33 8.5 1.22 100 PPM 102148 12:47:31.2 +20:56:30 8.9 0.64 102 PPM 102146 12:47:30.0 +20:15:20 11.2 0.12 101 07FN51 12:47:56.6 +20:18:23 16.5 101 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 20.8 km
RECON observability=0.8 and success probability=5.3%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Penticton | 10:25:02 | -14.7 | AT | Up | 25.2 | 272.4 | Low | 10:10:02 - 10:40:02 | -5021 |
| Oroville | 10:24:59 | -15.1 | AT | Up | 25.2 | 272.7 | Low | 10:09:59 - 10:39:59 | -5067 |
| Tonasket | 10:24:59 | -15.3 | AT | Up | 25.1 | 272.8 | Low | 10:09:59 - 10:39:59 | -5086 |
| Okanogan | 10:24:57 | -15.6 | AT | Up | 25.2 | 272.9 | Low | 10:09:57 - 10:39:57 | -5118 |
| Brewster | 10:24:56 | -15.9 | AT | Up | 25.4 | 272.9 | Low | 10:09:56 - 10:39:56 | -5145 |
| Manson/Chelan | 10:24:56 | -16.2 | AT | Up | 25.6 | 272.7 | Low | 10:09:56 - 10:39:56 | -5171 |
| Entiat | 10:24:54 | -16.4 | AT | Up | 25.6 | 272.7 | Low | 10:09:54 - 10:39:54 | -5191 |
| Wenatchee | 10:24:54 | -16.7 | AT | Up | 25.7 | 272.8 | Low | 10:09:54 - 10:39:54 | -5215 |
| Ellensburg | 10:24:53 | -17.1 | AT | Up | 25.8 | 272.8 | Low | 10:09:53 - 10:39:53 | -5255 |
| Pasco | 10:24:47 | -17.1 | AT | Up | 24.8 | 274.2 | Low | 10:09:47 - 10:39:47 | -5284 |
| Yakima | 10:24:51 | -17.4 | AT | Up | 25.8 | 273.0 | Low | 10:09:51 - 10:39:51 | -5290 |
| PNWRO | 10:24:47 | -17.2 | AT | Up | 24.6 | 274.4 | Low | 10:09:47 - 10:39:47 | -5300 |
| Toppenish/White Swan | 10:24:50 | -17.5 | AT | Up | 25.7 | 273.2 | Low | 10:09:50 - 10:39:50 | -5304 |
| George/Umatilla | 10:24:47 | -17.5 | AT | Up | 24.9 | 274.2 | Low | 10:09:47 - 10:39:47 | -5318 |
| Goldendale | 10:24:48 | -18.2 | Dark | Up | 26.0 | 273.2 | Low | 10:09:48 - 10:39:48 | -5362 |
| The Dalles | 10:24:48 | -18.5 | Dark | Up | 26.2 | 273.1 | Low | 10:09:48 - 10:39:48 | -5391 |
| Maupin | 10:24:46 | -18.8 | Dark | Up | 26.1 | 273.3 | Low | 10:09:46 - 10:39:46 | -5424 |
| Niwot | 10:24:13 | -14.5 | AT | Up | 13.9 | 285.2 | Really Low | 10:09:13 - 10:39:13 | -5435 |
| Madras/Culver | 10:24:44 | -19.3 | Dark | Up | 26.1 | 273.6 | Low | 10:09:44 - 10:39:44 | -5473 |
| Redmond | 10:24:43 | -19.6 | Dark | Up | 26.1 | 273.7 | Low | 10:09:43 - 10:39:43 | -5506 |
| Sisters | 10:24:44 | -19.7 | Dark | Up | 26.4 | 273.4 | Low | 10:09:44 - 10:39:44 | -5514 |
| Bend | 10:24:42 | -19.8 | Dark | Up | 26.2 | 273.7 | Low | 10:09:42 - 10:39:42 | -5528 |
| Oregon Observatory | 10:24:41 | -20.0 | Dark | Up | 26.3 | 273.7 | Low | 10:09:41 - 10:39:41 | -5547 |
| La Pine/Gilchrist | 10:24:41 | -20.2 | Dark | Up | 26.3 | 273.8 | Low | 10:09:41 - 10:39:41 | -5567 |
| North Lake | 10:24:38 | -20.3 | Dark | Up | 25.9 | 274.4 | Low | 10:09:38 - 10:39:38 | -5590 |
| Paisley | 10:24:36 | -20.6 | Dark | Up | 25.6 | 274.9 | Low | 10:09:36 - 10:39:36 | -5630 |
| Lakeview | 10:24:33 | -20.9 | Dark | Up | 25.4 | 275.2 | Low | 10:09:33 - 10:39:33 | -5671 |
| Chiloquin | 10:24:38 | -21.3 | Dark | Up | 26.5 | 274.1 | Low | 10:09:38 - 10:39:38 | -5675 |
| Klamath Falls | 10:24:36 | -21.5 | Dark | Up | 26.5 | 274.3 | Low | 10:09:36 - 10:39:36 | -5704 |
| Tulelake | 10:24:34 | -21.6 | Dark | Up | 26.2 | 274.6 | Low | 10:09:34 - 10:39:34 | -5721 |
| Cedarville | 10:24:31 | -21.3 | Dark | Up | 25.2 | 275.6 | Low | 10:09:31 - 10:39:31 | -5726 |
| Fall River/Burney | 10:24:30 | -22.3 | Dark | Up | 26.1 | 275.1 | Low | 10:09:30 - 10:39:30 | -5801 |
| Susanville | 10:24:27 | -22.5 | Dark | Up | 25.5 | 275.8 | Low | 10:09:27 - 10:39:27 | -5840 |
| Gimple | 10:24:26 | -22.8 | Dark | Up | 25.6 | 275.8 | Low | 10:09:26 - 10:39:26 | -5871 |
| Greenville | 10:24:27 | -22.8 | Dark | Up | 25.7 | 275.8 | Low | 10:09:27 - 10:39:27 | -5873 |
| Portola | 10:24:25 | -22.9 | Dark | Up | 25.3 | 276.2 | Low | 10:09:25 - 10:39:25 | -5890 |
| Quincy | 10:24:26 | -23.0 | Dark | Up | 25.7 | 275.9 | Low | 10:09:26 - 10:39:26 | -5891 |
| Reno | 10:24:24 | -22.8 | Dark | Up | 24.8 | 276.7 | Low | 10:09:24 - 10:39:24 | -5898 |
| Carson City | 10:24:21 | -23.0 | Dark | Up | 24.7 | 276.9 | Low | 10:09:21 - 10:39:21 | -5930 |
| Yerington | 10:24:20 | -22.9 | Dark | Up | 24.2 | 277.4 | Low | 10:09:20 - 10:39:20 | -5931 |
| Gardnerville | 10:24:21 | -23.2 | Dark | Up | 24.6 | 277.1 | Low | 10:09:21 - 10:39:21 | -5952 |
| Hawthorne | 10:24:18 | -23.0 | Dark | Up | 23.7 | 277.9 | Low | 10:09:18 - 10:39:18 | -5960 |
| Tonopah | 10:24:14 | -22.6 | Dark | Up | 22.6 | 278.9 | Low | 10:09:14 - 10:39:14 | -5964 |
| Lee Vining | 10:24:17 | -23.7 | Dark | Up | 24.0 | 277.8 | Low | 10:09:17 - 10:39:17 | -6026 |
| Indian Springs | 10:24:07 | -22.9 | Dark | Up | 21.1 | 280.3 | Low | 10:09:07 - 10:39:07 | -6058 |
| Beatty | 10:24:10 | -23.2 | Dark | Up | 22.0 | 279.6 | Low | 10:09:10 - 10:39:10 | -6058 |
| Bishop | 10:24:14 | -23.7 | Dark | Up | 23.4 | 278.5 | Low | 10:09:14 - 10:39:14 | -6061 |
| Henderson | 10:24:05 | -22.9 | Dark | Up | 20.5 | 280.9 | Low | 10:09:05 - 10:39:05 | -6088 |
| Patrick | 10:24:02 | -22.7 | Dark | Up | 19.5 | 281.7 | Really Low | 10:09:02 - 10:39:02 | -6113 |
| DCO | 10:24:00 | -22.6 | Dark | Up | 18.9 | 282.1 | Really Low | 10:09:00 - 10:39:00 | -6121 |
| Lone Pine | 10:24:11 | -24.2 | Dark | Up | 23.0 | 279.0 | Low | 10:09:11 - 10:39:11 | -6123 |
| Searchlight/Boulder City | 10:24:03 | -23.3 | Dark | Up | 20.3 | 281.1 | Low | 10:09:03 - 10:39:03 | -6139 |
| Kingman/Dolan Springs | 10:24:01 | -23.0 | Dark | Up | 19.6 | 281.7 | Really Low | 10:09:01 - 10:39:01 | -6140 |
| Laughlin/Bullhead City | 10:24:02 | -23.3 | Dark | Up | 20.0 | 281.4 | Low | 10:09:02 - 10:39:02 | -6157 |
| Mohave Valley | 10:24:01 | -23.5 | Dark | Up | 20.0 | 281.5 | Really Low | 10:09:01 - 10:39:01 | -6183 |
| Lake Havasu City | 10:23:59 | -23.7 | Dark | Up | 19.7 | 281.8 | Really Low | 10:08:59 - 10:38:59 | -6213 |
| Parker | 10:23:58 | -23.9 | Dark | Up | 19.6 | 281.9 | Really Low | 10:08:58 - 10:38:58 | -6245 |
| Blythe | 10:23:57 | -24.5 | Dark | Up | 19.7 | 281.9 | Really Low | 10:08:57 - 10:38:57 | -6304 |
| CPSLO | 10:24:11 | -26.5 | Dark | Up | 24.9 | 278.2 | Low | 10:09:11 - 10:39:11 | -6320 |
| Idyllwild | 10:24:00 | -25.6 | Dark | Up | 21.5 | 280.8 | Low | 10:09:00 - 10:39:00 | -6357 |
| Wildwood | 10:24:03 | -26.4 | Dark | Up | 23.1 | 279.8 | Low | 10:09:03 - 10:39:03 | -6377 |
| Calipatria | 10:23:56 | -25.4 | Dark | Up | 20.4 | 281.6 | Low | 10:08:56 - 10:38:56 | -6379 |
| Yuma | 10:23:54 | -25.1 | Dark | Up | 19.6 | 282.2 | Really Low | 10:08:54 - 10:38:54 | -6394 |
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 07FN51, (2020/05/11 10:29UT) Object RA Dec mag sep mel Arcturus 14:15:38.3 +19:10:20 0.0 20.89 82 Vindemiatrix 13:02:10.3 +10:57:33 2.8 10.14 94 23 Com 12:34:51.0 +22:37:46 4.8 3.58 105 PPM 102216 12:52:01.4 +20:10:11 8.5 1.22 100 PPM 102148 12:46:30.7 +21:03:10 8.9 0.64 102 PPM 102146 12:46:29.4 +20:21:59 11.2 0.12 101 07FN51 12:46:56.1 +20:25:03 16.5 101 Positions are for J2000
Event circumstances last updated at 2018/05/31 17:27:21 UT
Marc W. Buie, Southwest Research Institute