Event between 10WG9 and star GA1100:01752289 with event index number of 232328
Geocentric closest approach at 2019/12/24 02:37:06 UTC
J2000 position of star is 06:06:38.1 +21:55:49
Equinox of date position of star is 06:07:48.3 +21:55:37
Stellar brightness G=16.2,
use SENSEUP=128
Star is 154 degrees from the moon.
Moon is 5% illuminated.
TNO apparent brightness V=22.0
[RECON map]
TNO is 24.4 AU from the Sun
and 23.4 AU from the Earth.
The TNO is moving 28.7
km/sec on the sky relative to the star, or,
6.1 arcsec/hr.
The 1-sigma error in the time of the event is 45 seconds.
The 1-sigma cross-track error in the shadow position is
2699 km.
The sky-plane scale is
16950.0 km/arcsec.
The TNO has an absolute magnitude Hv=8.2
Diameter=134.9 km assuming a 5% albedo -- 4.7 sec chord
Diameter=55.1 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
Star training set for 10WG9, (2019/12/24 02:37UT) Object RA Dec mag sep mel Betelgeuse 05:56:15.2 +07:24:33 0.4 14.78 154 Alhena 06:38:52.0 +16:22:50 1.9 9.19 147 PPM 095249 06:02:54.0 +22:24:00 6.2 1.24 155 PPM 095431 06:08:51.0 +21:52:10 7.7 0.24 154 PPM 095400 06:07:55.3 +21:53:02 9.2 0.05 154 10WG9 06:07:50.3 +21:55:37 16.2 154 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 21.0 km
RECON observability=1.0 and success probability=3.4%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Kelowna | 02:39:58 | -24.5 | Dark | Down | 23.7 | 83.6 | Low | 02:35:41 - 02:44:15 | 8016 |
Summerland | 02:39:59 | -24.3 | Dark | Down | 23.5 | 83.3 | Low | 02:35:42 - 02:44:16 | 7995 |
Penticton | 02:39:59 | -24.4 | Dark | Down | 23.6 | 83.3 | Low | 02:35:42 - 02:44:16 | 7987 |
Okanagan Falls | 02:39:59 | -24.3 | Dark | Down | 23.6 | 83.2 | Low | 02:35:42 - 02:44:16 | 7970 |
Oliver | 02:40:00 | -24.3 | Dark | Down | 23.6 | 83.2 | Low | 02:35:43 - 02:44:17 | 7955 |
Anarchist Mountain Observatory | 02:40:00 | -24.4 | Dark | Down | 23.7 | 83.3 | Low | 02:35:43 - 02:44:17 | 7935 |
Oroville | 02:40:01 | -24.4 | Dark | Down | 23.6 | 83.2 | Low | 02:35:44 - 02:44:18 | 7930 |
Tonasket | 02:40:01 | -24.3 | Dark | Down | 23.6 | 83.1 | Low | 02:35:44 - 02:44:18 | 7908 |
Okanogan | 02:40:01 | -24.2 | Dark | Down | 23.4 | 82.8 | Low | 02:35:44 - 02:44:18 | 7881 |
Brewster | 02:40:02 | -24.0 | Dark | Down | 23.3 | 82.6 | Low | 02:35:45 - 02:44:19 | 7861 |
Manson/Chelan | 02:40:03 | -23.7 | Dark | Down | 23.0 | 82.2 | Low | 02:35:46 - 02:44:20 | 7850 |
Entiat | 02:40:03 | -23.6 | Dark | Down | 22.9 | 82.1 | Low | 02:35:46 - 02:44:20 | 7831 |
Wenatchee | 02:40:04 | -23.5 | Dark | Down | 22.8 | 81.9 | Low | 02:35:47 - 02:44:21 | 7810 |
Ellensburg | 02:40:05 | -23.3 | Dark | Down | 22.6 | 81.6 | Low | 02:35:48 - 02:44:22 | 7777 |
Yakima | 02:40:06 | -23.2 | Dark | Down | 22.6 | 81.4 | Low | 02:35:49 - 02:44:23 | 7740 |
Toppenish/White Swan | 02:40:06 | -23.3 | Dark | Down | 22.6 | 81.4 | Low | 02:35:49 - 02:44:23 | 7716 |
Goldendale | 02:40:08 | -22.9 | Dark | Down | 22.3 | 80.9 | Low | 02:35:51 - 02:44:25 | 7675 |
Pasco | 02:40:05 | -24.2 | Dark | Down | 23.5 | 82.3 | Low | 02:35:48 - 02:44:22 | 7674 |
The Dalles | 02:40:09 | -22.6 | Dark | Down | 22.0 | 80.6 | Low | 02:35:52 - 02:44:26 | 7663 |
George/Umatilla | 02:40:06 | -24.0 | Dark | Down | 23.3 | 82.0 | Low | 02:35:49 - 02:44:23 | 7648 |
PNWRO | 02:40:06 | -24.3 | Dark | Down | 23.6 | 82.3 | Low | 02:35:49 - 02:44:23 | 7645 |
Maupin | 02:40:09 | -22.6 | Dark | Down | 22.0 | 80.5 | Low | 02:35:52 - 02:44:26 | 7621 |
Madras/Culver | 02:40:11 | -22.5 | Dark | Down | 21.9 | 80.3 | Low | 02:35:54 - 02:44:28 | 7571 |
Sisters | 02:40:11 | -22.1 | Dark | Down | 21.5 | 79.8 | Low | 02:35:54 - 02:44:28 | 7551 |
Redmond | 02:40:11 | -22.4 | Dark | Down | 21.8 | 80.1 | Low | 02:35:54 - 02:44:28 | 7538 |
Bend | 02:40:11 | -22.3 | Dark | Down | 21.6 | 79.9 | Low | 02:35:54 - 02:44:28 | 7521 |
Oregon Observatory | 02:40:12 | -22.1 | Dark | Down | 21.5 | 79.8 | Low | 02:35:55 - 02:44:29 | 7508 |
La Pine/Gilchrist | 02:40:12 | -22.1 | Dark | Down | 21.4 | 79.6 | Low | 02:35:55 - 02:44:29 | 7491 |
North Lake | 02:40:13 | -22.4 | Dark | Down | 21.8 | 79.9 | Low | 02:35:56 - 02:44:30 | 7434 |
Chiloquin | 02:40:15 | -21.6 | Dark | Down | 21.0 | 79.0 | Low | 02:35:58 - 02:44:32 | 7394 |
Paisley | 02:40:14 | -22.5 | Dark | Down | 22.0 | 79.9 | Low | 02:35:57 - 02:44:31 | 7371 |
Klamath Falls | 02:40:15 | -21.6 | Dark | Down | 21.0 | 78.9 | Low | 02:35:58 - 02:44:32 | 7359 |
Tulelake | 02:40:15 | -21.7 | Dark | Down | 21.2 | 79.0 | Low | 02:35:58 - 02:44:32 | 7325 |
Lakeview | 02:40:14 | -22.6 | Dark | Down | 22.0 | 79.8 | Low | 02:35:57 - 02:44:31 | 7318 |
Cedarville | 02:40:16 | -22.6 | Dark | Down | 22.0 | 79.6 | Low | 02:35:59 - 02:44:33 | 7249 |
Fall River/Burney | 02:40:17 | -21.6 | Dark | Down | 21.0 | 78.7 | Low | 02:36:00 - 02:44:34 | 7235 |
Susanville | 02:40:19 | -22.0 | Dark | Down | 21.5 | 78.9 | Low | 02:36:02 - 02:44:36 | 7154 |
Greenville | 02:40:18 | -21.7 | Dark | Down | 21.2 | 78.6 | Low | 02:36:01 - 02:44:35 | 7135 |
Gimple | 02:40:18 | -21.8 | Dark | Down | 21.3 | 78.7 | Low | 02:36:01 - 02:44:35 | 7132 |
Quincy | 02:40:19 | -21.7 | Dark | Down | 21.2 | 78.6 | Low | 02:36:02 - 02:44:36 | 7115 |
Portola | 02:40:18 | -22.0 | Dark | Down | 21.5 | 78.8 | Low | 02:36:01 - 02:44:35 | 7090 |
Reno | 02:40:19 | -22.4 | Dark | Down | 21.9 | 79.1 | Low | 02:36:02 - 02:44:36 | 7046 |
Carson City | 02:40:19 | -22.4 | Dark | Down | 21.9 | 78.9 | Low | 02:36:02 - 02:44:36 | 7010 |
Gardnerville | 02:40:20 | -22.4 | Dark | Down | 21.9 | 78.9 | Low | 02:36:03 - 02:44:37 | 6985 |
Yerington | 02:40:19 | -22.8 | Dark | Down | 22.3 | 79.2 | Low | 02:36:02 - 02:44:36 | 6974 |
Hawthorne | 02:40:19 | -23.1 | Dark | Down | 22.7 | 79.3 | Low | 02:36:02 - 02:44:36 | 6913 |
Lee Vining | 02:40:20 | -22.6 | Dark | Down | 22.2 | 78.8 | Low | 02:36:03 - 02:44:37 | 6870 |
Tonopah | 02:40:19 | -24.1 | Dark | Down | 23.7 | 79.9 | Low | 02:36:02 - 02:44:36 | 6829 |
Bishop | 02:40:21 | -23.1 | Dark | Down | 22.6 | 79.0 | Low | 02:36:04 - 02:44:38 | 6791 |
Niwot | 02:40:01 | -33.6 | Dark | Down | 33.1 | 88.1 | Up | 02:35:44 - 02:44:18 | 6763 |
SwRI | 02:40:01 | -33.5 | Dark | Down | 33.0 | 87.9 | Up | 02:35:44 - 02:44:18 | 6755 |
Lone Pine | 02:40:22 | -23.1 | Dark | Down | 22.7 | 78.9 | Low | 02:36:05 - 02:44:39 | 6705 |
Beatty | 02:40:20 | -24.2 | Dark | Down | 23.8 | 79.7 | Low | 02:36:03 - 02:44:37 | 6701 |
CPSLO | 02:40:26 | -20.8 | Dark | Down | 20.4 | 77.0 | Low | 02:36:09 - 02:44:43 | 6647 |
Indian Springs | 02:40:19 | -25.0 | Dark | Down | 24.6 | 80.1 | Low | 02:36:02 - 02:44:36 | 6639 |
Henderson | 02:40:19 | -25.4 | Dark | Down | 25.1 | 80.2 | Low | 02:36:02 - 02:44:36 | 6567 |
Searchlight/Boulder City | 02:40:20 | -25.4 | Dark | Down | 25.0 | 80.0 | Low | 02:36:03 - 02:44:37 | 6506 |
Patrick | 02:40:19 | -26.2 | Dark | Down | 25.9 | 80.5 | Low | 02:36:02 - 02:44:36 | 6474 |
Laughlin/Bullhead City | 02:40:20 | -25.6 | Dark | Down | 25.3 | 80.1 | Low | 02:36:03 - 02:44:37 | 6467 |
Wildwood | 02:40:26 | -22.1 | Dark | Down | 21.8 | 77.6 | Low | 02:36:09 - 02:44:43 | 6466 |
Kingman/Dolan Springs | 02:40:19 | -26.0 | Dark | Down | 25.7 | 80.3 | Low | 02:36:02 - 02:44:36 | 6456 |
Mohave Valley | 02:40:20 | -25.6 | Dark | Down | 25.2 | 79.9 | Low | 02:36:03 - 02:44:37 | 6439 |
DCO | 02:40:18 | -26.7 | Dark | Down | 26.4 | 80.7 | Low | 02:36:01 - 02:44:35 | 6424 |
Lake Havasu City | 02:40:21 | -25.7 | Dark | Down | 25.3 | 79.9 | Low | 02:36:04 - 02:44:38 | 6391 |
Idyllwild | 02:40:24 | -23.6 | Dark | Down | 23.3 | 78.4 | Low | 02:36:07 - 02:44:41 | 6376 |
Parker | 02:40:21 | -25.6 | Dark | Down | 25.3 | 79.7 | Low | 02:36:04 - 02:44:38 | 6354 |
Blythe | 02:40:22 | -25.3 | Dark | Down | 25.0 | 79.3 | Low | 02:36:05 - 02:44:39 | 6307 |
Calipatria | 02:40:23 | -24.4 | Dark | Down | 24.1 | 78.7 | Low | 02:36:06 - 02:44:40 | 6281 |
Yuma | 02:40:23 | -25.0 | Dark | Down | 24.8 | 78.9 | Low | 02:36:06 - 02:44:40 | 6213 |
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 10WG9, (2019/12/24 02:37UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 14.78 154 Alhena 06:37:42.8 +16:23:57 1.9 9.19 147 PPM 095249 06:01:41.6 +22:24:04 6.2 1.24 155 PPM 095431 06:07:38.9 +21:52:24 7.7 0.24 154 PPM 095400 06:06:43.2 +21:53:15 9.2 0.05 154 10WG9 06:06:38.1 +21:55:49 16.2 154 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:03:46 UT
Marc W. Buie, Southwest Research Institute