Event between 11UQ62 and star GA1120:00845385 with event index number of 236021
Geocentric closest approach at 2019/12/01 13:40:19 UTC
J2000 position of star is 04:54:38.2 +22:01:12
Equinox of date position of star is 04:55:44.5 +22:02:55
Stellar brightness G=16.6,
use SENSEUP=128
Star is 126 degrees from the moon.
Moon is 25% illuminated.
TNO apparent brightness V=21.3
[RECON map]
TNO is 15.8 AU from the Sun
and 14.8 AU from the Earth.
The TNO is moving 21.2
km/sec on the sky relative to the star, or,
7.1 arcsec/hr.
The 1-sigma error in the time of the event is 162 seconds.
The 1-sigma cross-track error in the shadow position is
1140 km.
The sky-plane scale is
10741.3 km/arcsec.
The TNO has an absolute magnitude Hv=9.4
Diameter=78.0 km assuming a 5% albedo -- 3.7 sec chord
Diameter=31.8 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CENTAURR
Star training set for 11UQ62, (2019/12/01 13:40UT) Object RA Dec mag sep mel Aldebaran 04:37:03.9 +16:32:52 0.8 7.06 120 Alnath 05:27:33.2 +28:37:21 1.6 9.72 134 102Iot Tau 05:04:17.3 +21:37:00 4.6 2.01 128 PPM 093881 04:56:01.0 +22:10:38 8.5 0.13 126 PPM 093871 04:55:34.5 +21:56:43 10.2 0.12 126 11UQ62 04:55:49.8 +22:03:03 16.6 126 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 26.6 km
RECON observability=0.7 and success probability=1.6%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Penticton | 13:35:01 | -18.3 | Dark | Down | 22.5 | 278.0 | Low | 13:21:01 - 13:49:01 | 5486 |
Oroville | 13:34:59 | -18.1 | Dark | Down | 22.4 | 278.3 | Low | 13:20:59 - 13:48:59 | 5435 |
Tonasket | 13:34:58 | -18.1 | Dark | Down | 22.3 | 278.4 | Low | 13:20:58 - 13:48:58 | 5414 |
Okanogan | 13:34:57 | -18.1 | Dark | Down | 22.4 | 278.5 | Low | 13:20:57 - 13:48:57 | 5380 |
Brewster | 13:34:57 | -18.2 | Dark | Down | 22.5 | 278.4 | Low | 13:20:57 - 13:48:57 | 5350 |
Manson/Chelan | 13:34:57 | -18.4 | Dark | Down | 22.7 | 278.3 | Low | 13:20:57 - 13:48:57 | 5322 |
Entiat | 13:34:56 | -18.4 | Dark | Down | 22.7 | 278.3 | Low | 13:20:56 - 13:48:56 | 5301 |
Wenatchee | 13:34:55 | -18.4 | Dark | Down | 22.7 | 278.3 | Low | 13:20:55 - 13:48:55 | 5275 |
Ellensburg | 13:34:54 | -18.4 | Dark | Down | 22.8 | 278.3 | Low | 13:20:54 - 13:48:54 | 5231 |
Pasco | 13:34:51 | -17.3 | AT | Down | 21.7 | 279.6 | Low | 13:20:51 - 13:48:51 | 5197 |
Yakima | 13:34:54 | -18.4 | Dark | Down | 22.8 | 278.5 | Low | 13:20:54 - 13:48:54 | 5193 |
PNWRO | 13:34:50 | -17.1 | AT | Down | 21.6 | 279.9 | Low | 13:20:50 - 13:48:50 | 5179 |
Toppenish/White Swan | 13:34:53 | -18.2 | Dark | Down | 22.6 | 278.7 | Low | 13:20:53 - 13:48:53 | 5177 |
George/Umatilla | 13:34:50 | -17.4 | AT | Down | 21.8 | 279.6 | Low | 13:20:50 - 13:48:50 | 5160 |
Goldendale | 13:34:52 | -18.4 | Dark | Down | 22.8 | 278.6 | Low | 13:20:52 - 13:48:52 | 5115 |
The Dalles | 13:34:52 | -18.6 | Dark | Down | 23.1 | 278.5 | Low | 13:20:52 - 13:48:52 | 5085 |
Maupin | 13:34:50 | -18.4 | Dark | Down | 22.9 | 278.7 | Low | 13:20:50 - 13:48:50 | 5048 |
Niwot | 13:34:28 | -5.8 | CT | Down | 10.4 | 290.1 | Really Low | 13:20:28 - 13:48:28 | 5032 |
Madras/Culver | 13:34:49 | -18.3 | Dark | Down | 22.9 | 278.9 | Low | 13:20:49 - 13:48:49 | 4995 |
Redmond | 13:34:48 | -18.3 | Dark | Down | 22.9 | 279.0 | Low | 13:20:48 - 13:48:48 | 4960 |
Sisters | 13:34:48 | -18.6 | Dark | Down | 23.1 | 278.8 | Low | 13:20:48 - 13:48:48 | 4952 |
Bend | 13:34:47 | -18.3 | Dark | Down | 22.9 | 279.0 | Low | 13:20:47 - 13:48:47 | 4936 |
Oregon Observatory | 13:34:47 | -18.4 | Dark | Down | 23.0 | 279.0 | Low | 13:20:47 - 13:48:47 | 4916 |
La Pine/Gilchrist | 13:34:46 | -18.4 | Dark | Down | 23.0 | 279.1 | Low | 13:20:46 - 13:48:46 | 4895 |
North Lake | 13:34:45 | -17.9 | AT | Down | 22.5 | 279.6 | Low | 13:20:45 - 13:48:45 | 4868 |
Paisley | 13:34:43 | -17.5 | AT | Down | 22.2 | 280.1 | Low | 13:20:43 - 13:48:43 | 4824 |
Lakeview | 13:34:41 | -17.2 | AT | Down | 21.9 | 280.4 | Low | 13:20:41 - 13:48:41 | 4780 |
Chiloquin | 13:34:44 | -18.4 | Dark | Down | 23.1 | 279.3 | Low | 13:20:44 - 13:48:44 | 4779 |
Klamath Falls | 13:34:43 | -18.3 | Dark | Down | 23.0 | 279.5 | Low | 13:20:43 - 13:48:43 | 4747 |
Tulelake | 13:34:42 | -18.0 | AT | Down | 22.7 | 279.8 | Low | 13:20:42 - 13:48:42 | 4729 |
Cedarville | 13:34:40 | -16.9 | AT | Down | 21.7 | 280.8 | Low | 13:20:40 - 13:48:40 | 4721 |
Fall River/Burney | 13:34:40 | -17.7 | AT | Down | 22.5 | 280.2 | Low | 13:20:40 - 13:48:40 | 4642 |
Susanville | 13:34:38 | -17.0 | AT | Down | 21.8 | 280.9 | Low | 13:20:38 - 13:48:38 | 4600 |
Gimple | 13:34:37 | -17.1 | AT | Down | 22.0 | 280.9 | Low | 13:20:37 - 13:48:37 | 4567 |
Greenville | 13:34:38 | -17.2 | AT | Down | 22.0 | 280.8 | Low | 13:20:38 - 13:48:38 | 4565 |
Portola | 13:34:36 | -16.7 | AT | Down | 21.6 | 281.2 | Low | 13:20:36 - 13:48:36 | 4546 |
Quincy | 13:34:37 | -17.1 | AT | Down | 22.0 | 280.9 | Low | 13:20:37 - 13:48:37 | 4545 |
Reno | 13:34:35 | -16.2 | AT | Down | 21.1 | 281.7 | Low | 13:20:35 - 13:48:35 | 4537 |
Carson City | 13:34:34 | -16.1 | AT | Down | 21.0 | 281.9 | Low | 13:20:34 - 13:48:34 | 4503 |
Yerington | 13:34:33 | -15.6 | AT | Down | 20.4 | 282.3 | Low | 13:20:33 - 13:48:33 | 4501 |
Gardnerville | 13:34:34 | -16.0 | AT | Down | 20.9 | 282.0 | Low | 13:20:34 - 13:48:34 | 4480 |
Hawthorne | 13:34:31 | -15.0 | AT | Down | 19.9 | 282.8 | Really Low | 13:20:31 - 13:48:31 | 4470 |
Tonopah | 13:34:29 | -13.9 | AT | Down | 18.8 | 283.7 | Really Low | 13:20:29 - 13:48:29 | 4465 |
Lee Vining | 13:34:30 | -15.3 | AT | Down | 20.2 | 282.7 | Low | 13:20:30 - 13:48:30 | 4401 |
Indian Springs | 13:34:24 | -12.3 | AT | Down | 17.2 | 285.0 | Really Low | 13:20:24 - 13:48:24 | 4364 |
Beatty | 13:34:26 | -13.2 | AT | Down | 18.1 | 284.3 | Really Low | 13:20:26 - 13:48:26 | 4364 |
Bishop | 13:34:29 | -14.5 | AT | Down | 19.5 | 283.3 | Really Low | 13:20:29 - 13:48:29 | 4362 |
Henderson | 13:34:23 | -11.6 | CT | Down | 16.6 | 285.5 | Really Low | 13:20:23 - 13:48:23 | 4333 |
Patrick | 13:34:21 | -10.5 | CT | Down | 15.5 | 286.3 | Really Low | 13:20:21 - 13:48:21 | 4306 |
DCO | 13:34:19 | -9.9 | CT | Down | 14.9 | 286.7 | Really Low | 13:20:19 - 13:48:19 | 4298 |
Lone Pine | 13:34:27 | -14.1 | AT | Down | 19.1 | 283.7 | Really Low | 13:20:27 - 13:48:27 | 4296 |
Searchlight/Boulder City | 13:34:22 | -11.3 | CT | Down | 16.4 | 285.7 | Really Low | 13:20:22 - 13:48:22 | 4278 |
Kingman/Dolan Springs | 13:34:20 | -10.6 | CT | Down | 15.6 | 286.2 | Really Low | 13:20:20 - 13:48:20 | 4278 |
Laughlin/Bullhead City | 13:34:21 | -11.0 | CT | Down | 16.0 | 286.0 | Really Low | 13:20:21 - 13:48:21 | 4260 |
Mohave Valley | 13:34:20 | -10.9 | CT | Down | 15.9 | 286.0 | Really Low | 13:20:20 - 13:48:20 | 4233 |
Lake Havasu City | 13:34:19 | -10.6 | CT | Down | 15.6 | 286.3 | Really Low | 13:20:19 - 13:48:19 | 4201 |
Parker | 13:34:19 | -10.4 | CT | Down | 15.5 | 286.4 | Really Low | 13:20:19 - 13:48:19 | 4167 |
Blythe | 13:34:18 | -10.5 | CT | Down | 15.6 | 286.4 | Really Low | 13:20:18 - 13:48:18 | 4105 |
CPSLO | 13:34:27 | -15.7 | AT | Down | 20.8 | 282.8 | Low | 13:20:27 - 13:48:27 | 4091 |
Idyllwild | 13:34:20 | -12.2 | AT | Down | 17.3 | 285.3 | Really Low | 13:20:20 - 13:48:20 | 4050 |
Wildwood | 13:34:23 | -13.8 | AT | Down | 18.9 | 284.3 | Really Low | 13:20:23 - 13:48:23 | 4029 |
Calipatria | 13:34:18 | -11.1 | CT | Down | 16.2 | 286.1 | Really Low | 13:20:18 - 13:48:18 | 4026 |
Yuma | 13:34:16 | -10.2 | CT | Down | 15.4 | 286.6 | Really Low | 13:20:16 - 13:48:16 | 4011 |
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 11UQ62, (2019/12/01 13:40UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 7.06 120 Alnath 05:26:17.5 +28:36:23 1.6 9.72 134 102Iot Tau 05:03:05.8 +21:35:23 4.6 2.01 128 PPM 093881 04:54:49.3 +22:08:47 8.5 0.13 126 PPM 093871 04:54:23.0 +21:54:52 10.2 0.12 126 11UQ62 04:54:38.2 +22:01:12 16.6 126 Positions are for J2000
Event circumstances last updated at 2018/06/12 07:52:16 UT
Marc W. Buie, Southwest Research Institute