Event between 11UR412 and star GA1160:00376230 with event index number of 1701842
Geocentric closest approach at 2020/11/10 08:52:45 UTC
J2000 position of star is 02:50:00.7 +27:01:01
Equinox of date position of star is 02:51:12.0 +27:05:59
Stellar brightness G=16.9,
use SENSEUP=128
Star is 112 degrees from the moon.
Moon is 31% illuminated.
TNO apparent brightness V=25.4
[RECON map]
TNO is 34.8 AU from the Sun
and 33.9 AU from the Earth.
The TNO is moving 24.6
km/sec on the sky relative to the star, or,
3.6 arcsec/hr.
The 1-sigma error in the time of the event is 129 seconds.
The 1-sigma cross-track error in the shadow position is
2454 km.
The sky-plane scale is
24563.4 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=103.8 km assuming a 5% albedo -- 2.5 sec chord
Diameter=42.4 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is SCATNEAR
Star training set for 11UR412, (2020/11/10 08:53UT) Object RA Dec mag sep mel Aldebaran 04:37:07.2 +16:32:59 0.8 26.67 92 Hamal 02:08:21.2 +23:33:36 2.0 10.31 122 35 Ari 02:44:40.9 +27:47:41 4.7 1.61 113 PPM 091985 02:49:23.3 +27:09:14 8.2 0.42 112 PPM 092008 02:51:03.2 +27:11:36 9.4 0.10 112 11UR412 02:51:14.5 +27:06:09 16.9 111 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
5.0 sigma about the mid-time.
The median site spacing is 25.2 km
RECON observability=1.0 and success probability=4.8%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Clarence Fulton | 08:51:22 | -54.2 | Dark | Up | 61.8 | 222.5 | Up | 08:40:06 - 09:02:39 | 7095 |
| Kelowna | 08:51:22 | -54.6 | Dark | Up | 62.1 | 222.7 | Up | 08:40:05 - 09:02:38 | 7055 |
| Peachland | 08:51:23 | -54.8 | Dark | Up | 62.3 | 222.4 | Up | 08:40:07 - 09:02:40 | 7045 |
| Summerland | 08:51:23 | -54.9 | Dark | Up | 62.4 | 222.7 | Up | 08:40:06 - 09:02:39 | 7029 |
| Penticton | 08:51:23 | -54.9 | Dark | Up | 62.4 | 223.0 | Up | 08:40:06 - 09:02:39 | 7021 |
| Oliver | 08:51:22 | -55.2 | Dark | Up | 62.7 | 223.4 | Up | 08:40:06 - 09:02:39 | 6984 |
| Anarchist Mountain Observatory | 08:51:22 | -55.3 | Dark | Up | 62.7 | 224.0 | Up | 08:40:05 - 09:02:38 | 6965 |
| Victoria | 08:51:33 | -56.9 | Dark | Down | 64.8 | 217.6 | Up | 08:40:17 - 09:02:50 | 6940 |
| Tonasket | 08:51:22 | -55.6 | Dark | Up | 62.9 | 224.3 | Up | 08:40:06 - 09:02:39 | 6933 |
| Okanogan | 08:51:22 | -55.9 | Dark | Up | 63.3 | 224.5 | Up | 08:40:06 - 09:02:39 | 6899 |
| Brewster | 08:51:23 | -56.2 | Dark | Up | 63.5 | 224.5 | Up | 08:40:06 - 09:02:39 | 6871 |
| Manson/Chelan | 08:51:24 | -56.5 | Dark | Up | 63.9 | 224.2 | Up | 08:40:08 - 09:02:41 | 6851 |
| Entiat | 08:51:24 | -56.7 | Dark | Up | 64.1 | 224.4 | Up | 08:40:08 - 09:02:41 | 6828 |
| Wenatchee | 08:51:25 | -57.0 | Dark | Up | 64.3 | 224.6 | Up | 08:40:08 - 09:02:41 | 6802 |
| Ellensburg | 08:51:25 | -57.4 | Dark | Up | 64.7 | 224.8 | Up | 08:40:09 - 09:02:42 | 6760 |
| Yakima | 08:51:24 | -57.8 | Dark | Up | 65.0 | 225.4 | Up | 08:40:08 - 09:02:41 | 6717 |
| Toppenish/White Swan | 08:51:25 | -57.9 | Dark | Up | 65.0 | 226.0 | Up | 08:40:08 - 09:02:41 | 6692 |
| Pasco | 08:51:21 | -57.5 | Dark | Up | 64.5 | 228.4 | Up | 08:40:04 - 09:02:37 | 6672 |
| PNWRO | 08:51:20 | -57.7 | Dark | Up | 64.5 | 229.2 | Up | 08:40:04 - 09:02:37 | 6645 |
| Goldendale | 08:51:25 | -58.5 | Dark | Up | 65.6 | 226.2 | Up | 08:40:09 - 09:02:42 | 6636 |
| The Dalles | 08:51:26 | -58.8 | Dark | Down | 66.0 | 225.9 | Up | 08:40:10 - 09:02:43 | 6615 |
| Maupin | 08:51:27 | -59.2 | Dark | Down | 66.2 | 226.8 | Up | 08:40:10 - 09:02:43 | 6569 |
| Sisters | 08:51:28 | -60.1 | Dark | Down | 67.1 | 227.4 | Up | 08:40:11 - 09:02:44 | 6479 |
| Redmond | 08:51:27 | -60.0 | Dark | Down | 66.9 | 228.1 | Up | 08:40:10 - 09:02:43 | 6473 |
| Bend | 08:51:27 | -60.2 | Dark | Down | 67.1 | 228.2 | Up | 08:40:11 - 09:02:44 | 6451 |
| Oregon Observatory | 08:51:28 | -60.4 | Dark | Down | 67.3 | 228.3 | Up | 08:40:11 - 09:02:44 | 6434 |
| La Pine/Gilchrist | 08:51:28 | -60.6 | Dark | Down | 67.4 | 228.6 | Up | 08:40:12 - 09:02:45 | 6412 |
| North Lake | 08:51:26 | -60.7 | Dark | Down | 67.4 | 230.5 | Up | 08:40:10 - 09:02:43 | 6361 |
| Paisley | 08:51:25 | -61.1 | Dark | Down | 67.5 | 232.1 | Up | 08:40:08 - 09:02:41 | 6299 |
| Klamath Falls | 08:51:29 | -61.9 | Dark | Down | 68.5 | 230.8 | Up | 08:40:12 - 09:02:45 | 6257 |
| Lakeview | 08:51:25 | -61.4 | Dark | Down | 67.7 | 233.4 | Up | 08:40:08 - 09:02:41 | 6243 |
| Cedarville | 08:51:24 | -61.9 | Dark | Down | 68.0 | 235.1 | Up | 08:40:08 - 09:02:41 | 6171 |
| Fall River/Burney | 08:51:28 | -62.8 | Dark | Down | 69.0 | 233.9 | Up | 08:40:11 - 09:02:44 | 6127 |
| Susanville | 08:51:26 | -63.0 | Dark | Down | 68.9 | 236.6 | Up | 08:40:09 - 09:02:42 | 6053 |
| Greenville | 08:51:27 | -63.3 | Dark | Down | 69.3 | 236.7 | Up | 08:40:10 - 09:02:43 | 6025 |
| Gimple | 08:51:26 | -63.3 | Dark | Down | 69.2 | 236.8 | Up | 08:40:10 - 09:02:43 | 6024 |
| Quincy | 08:51:27 | -63.5 | Dark | Down | 69.4 | 237.1 | Up | 08:40:10 - 09:02:43 | 6003 |
| Niwot | 08:50:37 | -54.5 | Dark | Up | 58.3 | 256.5 | Up | 08:39:20 - 09:01:53 | 6001 |
| SwRI | 08:50:37 | -54.6 | Dark | Up | 58.4 | 256.5 | Up | 08:39:20 - 09:01:53 | 5989 |
| Portola | 08:51:25 | -63.4 | Dark | Down | 69.1 | 238.2 | Up | 08:40:09 - 09:02:42 | 5986 |
| Reno | 08:51:23 | -63.3 | Dark | Down | 68.9 | 239.9 | Up | 08:40:06 - 09:02:39 | 5953 |
| Carson City | 08:51:23 | -63.6 | Dark | Down | 69.0 | 240.7 | Up | 08:40:06 - 09:02:39 | 5913 |
| Yerington | 08:51:21 | -63.4 | Dark | Down | 68.7 | 242.2 | Up | 08:40:04 - 09:02:37 | 5888 |
| Gardnerville | 08:51:23 | -63.7 | Dark | Down | 69.1 | 241.4 | Up | 08:40:06 - 09:02:39 | 5886 |
| Hawthorne | 08:51:19 | -63.5 | Dark | Down | 68.5 | 244.0 | Up | 08:40:02 - 09:02:35 | 5834 |
| Tonopah | 08:51:14 | -63.1 | Dark | Up | 67.7 | 247.1 | Up | 08:39:58 - 09:02:31 | 5776 |
| Lee Vining | 08:51:21 | -64.2 | Dark | Down | 69.1 | 244.6 | Up | 08:40:04 - 09:02:37 | 5775 |
| Bishop | 08:51:18 | -64.2 | Dark | Down | 68.8 | 247.1 | Up | 08:40:02 - 09:02:35 | 5705 |
| Beatty | 08:51:13 | -63.6 | Dark | Up | 67.8 | 250.3 | Up | 08:39:56 - 09:02:29 | 5647 |
| Indian Springs | 08:51:09 | -63.2 | Dark | Up | 67.1 | 252.4 | Up | 08:39:53 - 09:02:26 | 5606 |
| Henderson | 08:51:06 | -63.1 | Dark | Up | 66.7 | 254.3 | Up | 08:39:50 - 09:02:23 | 5545 |
| CPSLO | 08:51:27 | -66.9 | Dark | Down | 71.3 | 249.2 | Up | 08:40:10 - 09:02:43 | 5493 |
| Searchlight/Boulder City | 08:51:07 | -63.4 | Dark | Up | 66.8 | 255.7 | Up | 08:39:50 - 09:02:23 | 5482 |
| Patrick | 08:51:03 | -62.8 | Dark | Up | 66.0 | 256.9 | Up | 08:39:47 - 09:02:20 | 5473 |
| Kingman/Dolan Springs | 08:51:04 | -63.0 | Dark | Up | 66.2 | 257.2 | Up | 08:39:47 - 09:02:20 | 5449 |
| Laughlin/Bullhead City | 08:51:05 | -63.4 | Dark | Up | 66.6 | 256.7 | Up | 08:39:49 - 09:02:22 | 5448 |
| DCO | 08:51:01 | -62.5 | Dark | Up | 65.5 | 258.2 | Up | 08:39:44 - 09:02:17 | 5438 |
| Mohave Valley | 08:51:05 | -63.5 | Dark | Up | 66.7 | 257.3 | Up | 08:39:49 - 09:02:22 | 5418 |
| Lake Havasu City | 08:51:04 | -63.6 | Dark | Up | 66.6 | 258.5 | Up | 08:39:48 - 09:02:21 | 5373 |
| Wildwood | 08:51:19 | -66.6 | Dark | Down | 70.1 | 255.1 | Up | 08:40:03 - 09:02:36 | 5346 |
| Parker | 08:51:04 | -63.8 | Dark | Up | 66.6 | 259.3 | Up | 08:39:48 - 09:02:21 | 5334 |
| Idyllwild | 08:51:13 | -65.6 | Dark | Down | 68.6 | 258.0 | Up | 08:39:56 - 09:02:29 | 5297 |
| George/Scottsdale | 08:50:56 | -62.3 | Dark | Up | 64.7 | 262.3 | Up | 08:39:40 - 09:02:13 | 5283 |
| Blythe | 08:51:05 | -64.3 | Dark | Up | 67.0 | 260.2 | Up | 08:39:48 - 09:02:21 | 5277 |
| Calipatria | 08:51:08 | -65.2 | Dark | Up | 67.8 | 260.6 | Up | 08:39:52 - 09:02:25 | 5225 |
| Yuma | 08:51:06 | -64.8 | Dark | Up | 67.1 | 262.4 | Up | 08:39:49 - 09:02:22 | 5174 |
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 11UR412, (2020/11/10 08:53UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 26.67 92 Hamal 02:07:10.7 +23:27:42 2.0 10.31 122 35 Ari 02:43:27.1 +27:42:25 4.7 1.61 113 PPM 091985 02:48:09.6 +27:04:04 8.2 0.42 112 PPM 092008 02:49:49.4 +27:06:29 9.4 0.10 112 11UR412 02:50:00.7 +27:01:01 16.9 112 Positions are for J2000
Event circumstances last updated at 2020/03/01 22:03:29 UT
Marc W. Buie, Southwest Research Institute