Event between (523750) 14US224 and star GA1160:00352346 with event index number of 355858
Geocentric closest approach at 2019/11/28 06:36:33 UTC
J2000 position of star is 02:40:23.3 +27:25:59
Equinox of date position of star is 02:41:31.8 +27:30:56
Stellar brightness G=16.3,
use SENSEUP=128
Star is 138 degrees from the moon.
Moon is 3% illuminated.
TNO apparent brightness V=21.6
[RECON map]
TNO is 46.0 AU from the Sun
and 45.1 AU from the Earth.
The TNO is moving 24.1
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 198 seconds.
The 1-sigma cross-track error in the shadow position is
3134 km.
The sky-plane scale is
32680.1 km/arcsec.
The TNO has an absolute magnitude Hv=5.0
Diameter=602.6 km assuming a 5% albedo -- 25.0 sec chord
Diameter=246.0 km assuming a 30% albedo -- 10.2 sec chord
Dynamical classification is CLASSICAL
Star training set for 523750, (2019/11/28 06:37UT) Object RA Dec mag sep mel Aldebaran 04:37:03.9 +16:32:52 0.8 28.83 163 Hamal 02:08:18.0 +23:33:20 2.0 8.48 130 35 Ari 02:44:37.5 +27:47:27 4.7 0.73 139 PPM 091909 02:42:50.8 +27:01:31 8.3 0.57 138 PPM 091891 02:41:51.1 +27:09:10 10.0 0.37 138 PPM 091880 02:41:15.4 +27:18:22 10.2 0.22 138 523750 02:41:33.5 +27:31:04 16.3 138 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
4.6 sigma about the mid-time.
The median site spacing is 22.3 km
RECON observability=1.0 and success probability=11.2%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Kelowna | 06:35:38 | -58.2 | Dark | Down | 67.0 | 194.5 | Up | 06:20:38 - 06:50:38 | 5005 |
Summerland | 06:35:40 | -58.4 | Dark | Down | 67.4 | 194.0 | Up | 06:20:40 - 06:50:40 | 4983 |
Penticton | 06:35:39 | -58.5 | Dark | Down | 67.4 | 194.3 | Up | 06:20:39 - 06:50:39 | 4974 |
Okanagan Falls | 06:35:40 | -58.6 | Dark | Down | 67.6 | 194.4 | Up | 06:20:40 - 06:50:40 | 4955 |
Oliver | 06:35:40 | -58.8 | Dark | Down | 67.7 | 194.5 | Up | 06:20:40 - 06:50:40 | 4939 |
Anarchist Mountain Observatory | 06:35:40 | -59.0 | Dark | Down | 67.9 | 195.1 | Up | 06:20:40 - 06:50:40 | 4917 |
Oroville | 06:35:40 | -59.0 | Dark | Down | 68.0 | 194.9 | Up | 06:20:40 - 06:50:40 | 4912 |
Tonasket | 06:35:40 | -59.2 | Dark | Down | 68.2 | 195.1 | Up | 06:20:40 - 06:50:40 | 4888 |
Okanogan | 06:35:41 | -59.4 | Dark | Down | 68.5 | 195.0 | Up | 06:20:41 - 06:50:41 | 4859 |
Brewster | 06:35:42 | -59.6 | Dark | Down | 68.8 | 194.7 | Up | 06:20:42 - 06:50:42 | 4837 |
Manson/Chelan | 06:35:43 | -59.6 | Dark | Down | 69.1 | 193.9 | Up | 06:20:43 - 06:50:43 | 4826 |
Entiat | 06:35:43 | -59.8 | Dark | Down | 69.3 | 193.9 | Up | 06:20:43 - 06:50:43 | 4806 |
Wenatchee | 06:35:44 | -60.0 | Dark | Down | 69.6 | 193.8 | Up | 06:20:44 - 06:50:44 | 4783 |
Ellensburg | 06:35:46 | -60.2 | Dark | Down | 70.0 | 193.6 | Up | 06:20:46 - 06:50:46 | 4748 |
Yakima | 06:35:46 | -60.5 | Dark | Down | 70.4 | 193.8 | Up | 06:20:46 - 06:50:46 | 4708 |
Toppenish/White Swan | 06:35:46 | -60.8 | Dark | Down | 70.6 | 194.4 | Up | 06:20:46 - 06:50:46 | 4682 |
Goldendale | 06:35:48 | -61.0 | Dark | Down | 71.2 | 193.6 | Up | 06:20:48 - 06:50:48 | 4638 |
Pasco | 06:35:42 | -61.4 | Dark | Down | 70.5 | 197.7 | Up | 06:20:42 - 06:50:42 | 4636 |
The Dalles | 06:35:49 | -61.0 | Dark | Down | 71.5 | 192.8 | Up | 06:20:49 - 06:50:49 | 4625 |
George/Umatilla | 06:35:43 | -61.6 | Dark | Down | 70.8 | 197.5 | Up | 06:20:43 - 06:50:43 | 4608 |
PNWRO | 06:35:42 | -61.7 | Dark | Down | 70.7 | 198.5 | Up | 06:20:42 - 06:50:42 | 4605 |
Maupin | 06:35:50 | -61.4 | Dark | Down | 71.9 | 193.4 | Up | 06:20:50 - 06:50:50 | 4580 |
Madras/Culver | 06:35:51 | -61.8 | Dark | Down | 72.4 | 193.7 | Up | 06:20:51 - 06:50:51 | 4527 |
Sisters | 06:35:52 | -61.9 | Dark | Down | 72.8 | 192.6 | Up | 06:20:52 - 06:50:52 | 4506 |
Redmond | 06:35:51 | -62.1 | Dark | Down | 72.8 | 193.8 | Up | 06:20:51 - 06:50:51 | 4492 |
Bend | 06:35:52 | -62.2 | Dark | Down | 73.0 | 193.6 | Up | 06:20:52 - 06:50:52 | 4475 |
Oregon Observatory | 06:35:53 | -62.2 | Dark | Down | 73.2 | 193.3 | Up | 06:20:53 - 06:50:53 | 4461 |
La Pine/Gilchrist | 06:35:53 | -62.4 | Dark | Down | 73.4 | 193.3 | Up | 06:20:53 - 06:50:53 | 4442 |
North Lake | 06:35:52 | -63.0 | Dark | Down | 73.7 | 195.5 | Up | 06:20:52 - 06:50:52 | 4381 |
Chiloquin | 06:35:56 | -63.0 | Dark | Down | 74.5 | 193.1 | Up | 06:20:56 - 06:50:56 | 4340 |
Paisley | 06:35:52 | -63.6 | Dark | Down | 74.2 | 197.2 | Up | 06:20:52 - 06:50:52 | 4315 |
Klamath Falls | 06:35:56 | -63.3 | Dark | Down | 74.9 | 193.7 | Up | 06:20:56 - 06:50:56 | 4303 |
Tulelake | 06:35:56 | -63.6 | Dark | Down | 75.1 | 194.9 | Up | 06:20:56 - 06:50:56 | 4267 |
Lakeview | 06:35:52 | -64.0 | Dark | Down | 74.6 | 198.3 | Up | 06:20:52 - 06:50:52 | 4258 |
Cedarville | 06:35:52 | -64.6 | Dark | Down | 75.2 | 199.7 | Up | 06:20:52 - 06:50:52 | 4186 |
Fall River/Burney | 06:35:57 | -64.3 | Dark | Down | 75.9 | 196.1 | Up | 06:20:57 - 06:50:57 | 4172 |
Susanville | 06:35:55 | -65.2 | Dark | Down | 76.4 | 199.6 | Up | 06:20:55 - 06:50:55 | 4086 |
Greenville | 06:35:57 | -65.2 | Dark | Down | 76.7 | 198.9 | Up | 06:20:57 - 06:50:57 | 4067 |
Gimple | 06:35:56 | -65.2 | Dark | Down | 76.7 | 199.2 | Up | 06:20:56 - 06:50:56 | 4064 |
Quincy | 06:35:57 | -65.3 | Dark | Down | 76.9 | 199.2 | Up | 06:20:57 - 06:50:57 | 4046 |
Portola | 06:35:55 | -65.7 | Dark | Down | 76.9 | 201.1 | Up | 06:20:55 - 06:50:55 | 4019 |
Reno | 06:35:54 | -66.2 | Dark | Down | 76.9 | 203.9 | Up | 06:20:54 - 06:50:54 | 3973 |
Carson City | 06:35:54 | -66.5 | Dark | Down | 77.2 | 204.7 | Up | 06:20:54 - 06:50:54 | 3935 |
Gardnerville | 06:35:54 | -66.7 | Dark | Down | 77.4 | 205.3 | Up | 06:20:54 - 06:50:54 | 3908 |
Yerington | 06:35:52 | -67.0 | Dark | Down | 77.2 | 207.4 | Up | 06:20:52 - 06:50:52 | 3897 |
Hawthorne | 06:35:51 | -67.6 | Dark | Down | 77.4 | 210.3 | Up | 06:20:51 - 06:50:51 | 3833 |
Lee Vining | 06:35:54 | -67.7 | Dark | Down | 78.1 | 209.8 | Up | 06:20:54 - 06:50:54 | 3789 |
Tonopah | 06:35:47 | -68.7 | Dark | Down | 77.2 | 216.4 | Up | 06:20:47 - 06:50:47 | 3745 |
Bishop | 06:35:52 | -68.6 | Dark | Down | 78.3 | 214.1 | Up | 06:20:52 - 06:50:52 | 3706 |
Niwot | 06:35:05 | -70.9 | Dark | Down | 68.9 | 239.3 | Up | 06:20:05 - 06:50:05 | 3685 |
SwRI | 06:35:05 | -71.0 | Dark | Down | 69.0 | 239.4 | Up | 06:20:05 - 06:50:05 | 3676 |
Lone Pine | 06:35:52 | -69.3 | Dark | Down | 78.8 | 217.5 | Up | 06:20:52 - 06:50:52 | 3617 |
Beatty | 06:35:47 | -69.8 | Dark | Down | 77.9 | 221.2 | Up | 06:20:47 - 06:50:47 | 3611 |
CPSLO | 06:36:03 | -68.5 | Dark | Down | 81.0 | 210.5 | Up | 06:21:03 - 06:51:03 | 3560 |
Indian Springs | 06:35:44 | -70.6 | Dark | Down | 77.5 | 225.7 | Up | 06:20:44 - 06:50:44 | 3547 |
Henderson | 06:35:42 | -71.4 | Dark | Down | 77.5 | 229.6 | Up | 06:20:42 - 06:50:42 | 3472 |
Searchlight/Boulder City | 06:35:43 | -71.8 | Dark | Down | 77.8 | 231.8 | Up | 06:20:43 - 06:50:43 | 3410 |
Patrick | 06:35:39 | -72.4 | Dark | Down | 77.1 | 234.9 | Up | 06:20:39 - 06:50:39 | 3376 |
Wildwood | 06:35:57 | -70.6 | Dark | Down | 80.9 | 224.7 | Up | 06:20:57 - 06:50:57 | 3371 |
Laughlin/Bullhead City | 06:35:42 | -72.2 | Dark | Down | 77.8 | 233.9 | Up | 06:20:42 - 06:50:42 | 3369 |
Kingman/Dolan Springs | 06:35:40 | -72.5 | Dark | Down | 77.4 | 235.2 | Up | 06:20:40 - 06:50:40 | 3357 |
Mohave Valley | 06:35:42 | -72.5 | Dark | Down | 77.9 | 235.0 | Up | 06:20:42 - 06:50:42 | 3340 |
DCO | 06:35:37 | -73.0 | Dark | Down | 76.8 | 237.8 | Up | 06:20:37 - 06:50:37 | 3325 |
Lake Havasu City | 06:35:42 | -72.9 | Dark | Down | 78.0 | 237.2 | Up | 06:20:42 - 06:50:42 | 3291 |
Idyllwild | 06:35:51 | -72.0 | Dark | Down | 80.0 | 233.4 | Up | 06:20:51 - 06:50:51 | 3277 |
Parker | 06:35:42 | -73.2 | Dark | Down | 78.1 | 238.7 | Up | 06:20:42 - 06:50:42 | 3253 |
Blythe | 06:35:44 | -73.4 | Dark | Down | 78.6 | 240.1 | Up | 06:20:44 - 06:50:44 | 3205 |
Calipatria | 06:35:48 | -73.1 | Dark | Down | 79.5 | 239.8 | Up | 06:20:48 - 06:50:48 | 3179 |
Yuma | 06:35:45 | -74.0 | Dark | Down | 79.1 | 244.2 | Up | 06:20:45 - 06:50:45 | 3108 |
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 523750, (2019/11/28 06:37UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 28.83 163 Hamal 02:07:10.7 +23:27:42 2.0 8.48 130 35 Ari 02:43:27.1 +27:42:25 4.7 0.73 139 PPM 091909 02:41:40.7 +26:56:28 8.3 0.57 138 PPM 091891 02:40:41.1 +27:04:06 10.0 0.37 138 PPM 091880 02:40:05.3 +27:13:17 10.2 0.22 138 523750 02:40:23.3 +27:25:59 16.3 138 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:55:35 UT
Marc W. Buie, Southwest Research Institute