Event between 09XM26 and star GA1000:03170503 with event index number of 1571584
Geocentric closest approach at 2020/01/24 12:52:33 UTC
J2000 position of star is 08:22:01.6 +10:04:23
Equinox of date position of star is 08:23:05.3 +10:00:36
Stellar brightness G=16.8,
use SENSEUP=128
Star is 168 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=22.4
[RECON map]
TNO is 29.4 AU from the Sun
and 28.4 AU from the Earth.
The TNO is moving 24.7
km/sec on the sky relative to the star, or,
4.3 arcsec/hr.
The 1-sigma error in the time of the event is 71 seconds.
The 1-sigma cross-track error in the shadow position is
1429 km.
The sky-plane scale is
20623.4 km/arcsec.
The TNO has an absolute magnitude Hv=7.8
Diameter=162.9 km assuming a 5% albedo -- 6.6 sec chord
Diameter=66.5 km assuming a 30% albedo -- 2.7 sec chord
Dynamical classification is CENTAURR
Star training set for 09XM26, (2020/01/24 12:53UT) Object RA Dec mag sep mel Pollux 07:46:32.5 +27:58:34 1.1 19.92 172 17Bet Cnc 08:17:36.1 +09:07:21 3.5 1.62 167 PPM 125175 08:22:59.0 +09:59:55 8.1 0.03 168 09XM26 08:23:07.2 +10:00:29 16.8 167 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 19.5 km
RECON observability=0.7 and success probability=21.6%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 12:50:24 | -27.3 | Dark | Down | 19.9 | 261.9 | Really Low | 12:43:57 - 12:56:51 | 122 |
| Summerland | 12:50:23 | -27.5 | Dark | Down | 20.1 | 261.8 | Low | 12:43:56 - 12:56:50 | 99 |
| Penticton | 12:50:23 | -27.4 | Dark | Down | 20.0 | 261.9 | Low | 12:43:56 - 12:56:50 | 96 |
| Okanagan Falls | 12:50:22 | -27.4 | Dark | Down | 20.1 | 262.0 | Low | 12:43:55 - 12:56:49 | 84 |
| Oliver | 12:50:22 | -27.4 | Dark | Down | 20.1 | 262.0 | Low | 12:43:55 - 12:56:49 | 73 |
| Anarchist Mountain Observatory | 12:50:21 | -27.3 | Dark | Down | 20.0 | 262.2 | Really Low | 12:43:54 - 12:56:48 | 65 |
| Oroville | 12:50:21 | -27.3 | Dark | Down | 20.1 | 262.2 | Low | 12:43:54 - 12:56:48 | 59 |
| Tonasket | 12:50:20 | -27.3 | Dark | Down | 20.1 | 262.3 | Low | 12:43:53 - 12:56:47 | 44 |
| Okanogan | 12:50:19 | -27.4 | Dark | Down | 20.2 | 262.3 | Low | 12:43:52 - 12:56:46 | 20 |
| Brewster | 12:50:18 | -27.6 | Dark | Down | 20.4 | 262.2 | Low | 12:43:51 - 12:56:45 | -1 |
| Manson/Chelan | 12:50:18 | -27.8 | Dark | Down | 20.7 | 262.0 | Low | 12:43:51 - 12:56:45 | -20 |
| Wenatchee | 12:50:16 | -28.0 | Dark | Down | 20.9 | 262.1 | Low | 12:43:49 - 12:56:43 | -55 |
| Ellensburg | 12:50:15 | -28.1 | Dark | Down | 21.1 | 262.1 | Low | 12:43:48 - 12:56:42 | -86 |
| Pasco | 12:50:11 | -27.2 | Dark | Down | 20.2 | 263.4 | Low | 12:43:44 - 12:56:38 | -114 |
| Yakima | 12:50:13 | -28.2 | Dark | Down | 21.1 | 262.2 | Low | 12:43:46 - 12:56:40 | -114 |
| Toppenish/White Swan | 12:50:12 | -28.1 | Dark | Down | 21.1 | 262.4 | Low | 12:43:45 - 12:56:39 | -126 |
| PNWRO | 12:50:10 | -27.0 | Dark | Down | 20.1 | 263.7 | Low | 12:43:43 - 12:56:37 | -127 |
| George/Umatilla | 12:50:10 | -27.3 | Dark | Down | 20.4 | 263.4 | Low | 12:43:43 - 12:56:37 | -140 |
| Goldendale | 12:50:11 | -28.4 | Dark | Down | 21.4 | 262.3 | Low | 12:43:44 - 12:56:38 | -171 |
| The Dalles | 12:50:11 | -28.6 | Dark | Down | 21.7 | 262.1 | Low | 12:43:44 - 12:56:38 | -193 |
| Maupin | 12:50:09 | -28.6 | Dark | Down | 21.7 | 262.3 | Low | 12:43:42 - 12:56:36 | -221 |
| Madras/Culver | 12:50:07 | -28.6 | Dark | Down | 21.8 | 262.5 | Low | 12:43:40 - 12:56:34 | -260 |
| Redmond | 12:50:06 | -28.6 | Dark | Down | 21.9 | 262.6 | Low | 12:43:39 - 12:56:33 | -287 |
| Sisters | 12:50:07 | -28.9 | Dark | Down | 22.2 | 262.3 | Low | 12:43:40 - 12:56:34 | -292 |
| Bend | 12:50:05 | -28.8 | Dark | Down | 22.0 | 262.6 | Low | 12:43:38 - 12:56:32 | -305 |
| Oregon Observatory | 12:50:05 | -28.8 | Dark | Down | 22.1 | 262.6 | Low | 12:43:38 - 12:56:32 | -319 |
| SwRI | 12:49:41 | -16.6 | AT | Down | 10.3 | 274.6 | Really Low | 12:43:14 - 12:56:08 | -335 |
| La Pine/Gilchrist | 12:50:05 | -28.9 | Dark | Down | 22.2 | 262.6 | Low | 12:43:38 - 12:56:32 | -335 |
| North Lake | 12:50:02 | -28.5 | Dark | Down | 21.8 | 263.2 | Low | 12:43:35 - 12:56:29 | -357 |
| Paisley | 12:50:00 | -28.2 | Dark | Down | 21.6 | 263.7 | Low | 12:43:33 - 12:56:27 | -391 |
| Chiloquin | 12:50:01 | -29.2 | Dark | Down | 22.6 | 262.8 | Low | 12:43:34 - 12:56:28 | -423 |
| Lakeview | 12:49:58 | -28.1 | Dark | Down | 21.6 | 264.0 | Low | 12:43:31 - 12:56:25 | -425 |
| Klamath Falls | 12:50:00 | -29.1 | Dark | Down | 22.6 | 263.0 | Low | 12:43:33 - 12:56:27 | -448 |
| Tulelake | 12:49:59 | -28.9 | Dark | Down | 22.4 | 263.3 | Low | 12:43:32 - 12:56:26 | -462 |
| Cedarville | 12:49:56 | -27.9 | Dark | Down | 21.5 | 264.4 | Low | 12:43:29 - 12:56:23 | -472 |
| Fall River/Burney | 12:49:56 | -28.8 | Dark | Down | 22.5 | 263.7 | Low | 12:43:29 - 12:56:23 | -530 |
| Susanville | 12:49:53 | -28.3 | Dark | Down | 22.0 | 264.5 | Low | 12:43:26 - 12:56:20 | -565 |
| Gimple | 12:49:52 | -28.4 | Dark | Down | 22.2 | 264.5 | Low | 12:43:25 - 12:56:19 | -590 |
| Greenville | 12:49:52 | -28.5 | Dark | Down | 22.2 | 264.4 | Low | 12:43:25 - 12:56:19 | -592 |
| Quincy | 12:49:52 | -28.5 | Dark | Down | 22.3 | 264.5 | Low | 12:43:25 - 12:56:19 | -607 |
| Portola | 12:49:51 | -28.1 | Dark | Down | 21.9 | 264.9 | Low | 12:43:24 - 12:56:18 | -608 |
| Reno | 12:49:49 | -27.6 | Dark | Down | 21.4 | 265.4 | Low | 12:43:22 - 12:56:16 | -617 |
| Carson City | 12:49:48 | -27.6 | Dark | Down | 21.5 | 265.5 | Low | 12:43:21 - 12:56:15 | -645 |
| Yerington | 12:49:47 | -27.1 | Dark | Down | 21.0 | 266.0 | Low | 12:43:20 - 12:56:14 | -649 |
| Gardnerville | 12:49:47 | -27.5 | Dark | Down | 21.4 | 265.7 | Low | 12:43:20 - 12:56:14 | -663 |
| Hawthorne | 12:49:45 | -26.6 | Dark | Down | 20.6 | 266.5 | Low | 12:43:18 - 12:56:12 | -676 |
| Tonopah | 12:49:42 | -25.5 | Dark | Down | 19.5 | 267.6 | Really Low | 12:43:15 - 12:56:09 | -687 |
| Lee Vining | 12:49:43 | -27.0 | Dark | Down | 21.0 | 266.4 | Low | 12:43:16 - 12:56:10 | -730 |
| Bishop | 12:49:41 | -26.4 | Dark | Down | 20.5 | 267.1 | Low | 12:43:14 - 12:56:08 | -764 |
| Beatty | 12:49:38 | -25.0 | Dark | Down | 19.2 | 268.3 | Really Low | 12:43:11 - 12:56:05 | -771 |
| Indian Springs | 12:49:36 | -24.1 | Dark | Down | 18.4 | 269.0 | Really Low | 12:43:09 - 12:56:03 | -778 |
| Henderson | 12:49:33 | -23.5 | Dark | Down | 17.8 | 269.6 | Really Low | 12:43:06 - 12:56:00 | -808 |
| Lone Pine | 12:49:38 | -26.0 | Dark | Down | 20.3 | 267.6 | Low | 12:43:11 - 12:56:05 | -819 |
| Patrick | 12:49:31 | -22.5 | Dark | Down | 16.9 | 270.5 | Really Low | 12:43:04 - 12:55:58 | -839 |
| Searchlight/Boulder City | 12:49:32 | -23.4 | Dark | Down | 17.8 | 269.8 | Really Low | 12:43:05 - 12:55:59 | -854 |
| Kingman/Dolan Springs | 12:49:30 | -22.7 | Dark | Down | 17.1 | 270.4 | Really Low | 12:43:03 - 12:55:57 | -861 |
| Laughlin/Bullhead City | 12:49:31 | -23.1 | Dark | Down | 17.5 | 270.1 | Really Low | 12:43:04 - 12:55:58 | -872 |
| Mohave Valley | 12:49:30 | -23.0 | Dark | Down | 17.5 | 270.2 | Really Low | 12:43:03 - 12:55:57 | -894 |
| Lake Havasu City | 12:49:28 | -22.8 | Dark | Down | 17.3 | 270.5 | Really Low | 12:43:01 - 12:55:55 | -923 |
| Parker | 12:49:27 | -22.7 | Dark | Down | 17.3 | 270.6 | Really Low | 12:43:00 - 12:55:54 | -952 |
| CPSLO | 12:49:37 | -28.0 | Dark | Down | 22.4 | 266.5 | Low | 12:43:10 - 12:56:04 | -976 |
| Blythe | 12:49:26 | -22.9 | Dark | Down | 17.5 | 270.6 | Really Low | 12:42:59 - 12:55:53 | -1001 |
| Idyllwild | 12:49:28 | -24.6 | Dark | Down | 19.3 | 269.4 | Really Low | 12:43:01 - 12:55:55 | -1032 |
| Wildwood | 12:49:31 | -26.2 | Dark | Down | 20.8 | 268.2 | Low | 12:43:04 - 12:55:58 | -1038 |
| Calipatria | 12:49:25 | -23.6 | Dark | Down | 18.3 | 270.2 | Really Low | 12:42:58 - 12:55:52 | -1061 |
| Yuma | 12:49:23 | -22.8 | Dark | Down | 17.5 | 270.9 | Really Low | 12:42:56 - 12:55:50 | -1080 |
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 09XM26, (2020/01/24 12:53UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 19.92 172 17Bet Cnc 08:16:30.9 +09:11:07 3.5 1.62 167 PPM 125175 08:21:53.4 +10:03:49 8.1 0.03 168 09XM26 08:22:01.6 +10:04:23 16.8 168 Positions are for J2000
Event circumstances last updated at 2019/07/02 02:27:23 UT
Marc W. Buie, Southwest Research Institute