Event between 09YT26 and star GA1160:02838862 with event index number of 1558476
Geocentric closest approach at 2020/01/15 13:14:13 UTC
J2000 position of star is 07:28:43.5 +26:23:28
Equinox of date position of star is 07:29:55.4 +26:21:00
Stellar brightness G=11.8,
use SENSEUP=8
Star is 68 degrees from the moon.
Moon is 72% illuminated.
TNO apparent brightness V=21.7
[RECON map]
TNO is 32.4 AU from the Sun
and 31.4 AU from the Earth.
The TNO is moving 24.6
km/sec on the sky relative to the star, or,
3.9 arcsec/hr.
The 1-sigma error in the time of the event is 79 seconds.
The 1-sigma cross-track error in the shadow position is
1148 km.
The sky-plane scale is
22798.3 km/arcsec.
The TNO has an absolute magnitude Hv=6.6
Diameter=288.4 km assuming a 5% albedo -- 11.7 sec chord
Diameter=117.7 km assuming a 30% albedo -- 4.8 sec chord
Dynamical classification is 3:2E
Star training set for 09YT26, (2020/01/15 13:14UT) Object RA Dec mag sep mel Pollux 07:46:32.4 +27:58:34 1.1 4.03 65 65 Gem 07:31:03.4 +27:52:23 6.1 1.54 68 PPM 097535 07:29:14.8 +26:11:08 7.5 0.23 69 09YT26 07:29:57.4 +26:20:56 11.8 68 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 13.8 km
RECON observability=0.8 and success probability=0.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 13:11:58 | -24.7 | Dark | Up | 25.6 | 281.4 | Low | 13:04:51 - 13:19:05 | 9020 |
| Penticton | 13:11:57 | -24.8 | Dark | Up | 25.6 | 281.4 | Low | 13:04:50 - 13:19:04 | 8995 |
| Summerland | 13:11:57 | -24.9 | Dark | Up | 25.7 | 281.3 | Low | 13:04:50 - 13:19:04 | 8994 |
| Okanagan Falls | 13:11:57 | -24.8 | Dark | Up | 25.6 | 281.5 | Low | 13:04:50 - 13:19:04 | 8983 |
| Oliver | 13:11:56 | -24.8 | Dark | Up | 25.5 | 281.6 | Low | 13:04:49 - 13:19:03 | 8975 |
| Anarchist Mountain Observatory | 13:11:56 | -24.7 | Dark | Up | 25.4 | 281.8 | Low | 13:04:49 - 13:19:03 | 8972 |
| Oroville | 13:11:55 | -24.7 | Dark | Up | 25.4 | 281.8 | Low | 13:04:48 - 13:19:02 | 8965 |
| Tonasket | 13:11:55 | -24.7 | Dark | Up | 25.4 | 281.9 | Low | 13:04:48 - 13:19:02 | 8952 |
| SwRI | 13:11:24 | -13.2 | AT | Up | 13.1 | 293.6 | Really Low | 13:04:17 - 13:18:31 | 8947 |
| Okanogan | 13:11:53 | -24.8 | Dark | Up | 25.4 | 281.9 | Low | 13:04:46 - 13:19:00 | 8928 |
| Brewster | 13:11:52 | -24.9 | Dark | Up | 25.5 | 281.9 | Low | 13:04:45 - 13:18:59 | 8906 |
| Manson/Chelan | 13:11:52 | -25.1 | Dark | Up | 25.7 | 281.8 | Low | 13:04:45 - 13:18:59 | 8881 |
| Wenatchee | 13:11:49 | -25.2 | Dark | Up | 25.7 | 281.9 | Low | 13:04:42 - 13:18:56 | 8847 |
| Pasco | 13:11:45 | -24.3 | Dark | Up | 24.6 | 283.2 | Low | 13:04:38 - 13:18:52 | 8821 |
| Ellensburg | 13:11:48 | -25.3 | Dark | Up | 25.8 | 281.9 | Low | 13:04:41 - 13:18:55 | 8815 |
| PNWRO | 13:11:44 | -24.1 | Dark | Up | 24.4 | 283.4 | Low | 13:04:37 - 13:18:51 | 8815 |
| George/Umatilla | 13:11:44 | -24.4 | Dark | Up | 24.7 | 283.2 | Low | 13:04:37 - 13:18:51 | 8794 |
| Yakima | 13:11:46 | -25.3 | Dark | Up | 25.7 | 282.1 | Low | 13:04:39 - 13:18:53 | 8791 |
| Toppenish/White Swan | 13:11:46 | -25.2 | Dark | Up | 25.5 | 282.3 | Low | 13:04:39 - 13:18:53 | 8784 |
| Goldendale | 13:11:43 | -25.4 | Dark | Up | 25.7 | 282.3 | Low | 13:04:36 - 13:18:50 | 8735 |
| The Dalles | 13:11:43 | -25.7 | Dark | Up | 25.9 | 282.1 | Low | 13:04:36 - 13:18:50 | 8708 |
| Maupin | 13:11:42 | -25.5 | Dark | Up | 25.7 | 282.4 | Low | 13:04:35 - 13:18:49 | 8686 |
| Madras/Culver | 13:11:39 | -25.5 | Dark | Up | 25.7 | 282.6 | Low | 13:04:32 - 13:18:46 | 8650 |
| Redmond | 13:11:39 | -25.5 | Dark | Up | 25.6 | 282.8 | Low | 13:04:32 - 13:18:46 | 8625 |
| Sisters | 13:11:38 | -25.8 | Dark | Up | 25.9 | 282.5 | Low | 13:04:31 - 13:18:45 | 8612 |
| Bend | 13:11:38 | -25.6 | Dark | Up | 25.7 | 282.8 | Low | 13:04:31 - 13:18:45 | 8606 |
| Oregon Observatory | 13:11:37 | -25.7 | Dark | Up | 25.7 | 282.8 | Low | 13:04:30 - 13:18:44 | 8591 |
| La Pine/Gilchrist | 13:11:36 | -25.7 | Dark | Up | 25.7 | 282.8 | Low | 13:04:29 - 13:18:43 | 8575 |
| North Lake | 13:11:35 | -25.3 | Dark | Up | 25.2 | 283.4 | Low | 13:04:28 - 13:18:42 | 8570 |
| Paisley | 13:11:32 | -24.9 | Dark | Up | 24.8 | 283.9 | Low | 13:04:25 - 13:18:39 | 8547 |
| Lakeview | 13:11:30 | -24.7 | Dark | Up | 24.6 | 284.2 | Low | 13:04:23 - 13:18:37 | 8522 |
| Chiloquin | 13:11:32 | -25.9 | Dark | Up | 25.7 | 283.1 | Low | 13:04:25 - 13:18:39 | 8489 |
| Cedarville | 13:11:28 | -24.5 | Dark | Up | 24.3 | 284.6 | Low | 13:04:21 - 13:18:35 | 8485 |
| Klamath Falls | 13:11:31 | -25.8 | Dark | Up | 25.6 | 283.3 | Low | 13:04:24 - 13:18:38 | 8469 |
| Tulelake | 13:11:30 | -25.6 | Dark | Up | 25.3 | 283.6 | Low | 13:04:23 - 13:18:37 | 8463 |
| Fall River/Burney | 13:11:27 | -25.4 | Dark | Up | 25.1 | 284.1 | Low | 13:04:20 - 13:18:34 | 8405 |
| Susanville | 13:11:25 | -24.8 | Dark | Up | 24.4 | 284.8 | Low | 13:04:18 - 13:18:32 | 8391 |
| Tonopah | 13:11:16 | -21.8 | Dark | Up | 21.2 | 287.6 | Low | 13:04:09 - 13:18:23 | 8366 |
| Reno | 13:11:21 | -24.0 | Dark | Up | 23.5 | 285.6 | Low | 13:04:14 - 13:18:28 | 8365 |
| Gimple | 13:11:24 | -24.9 | Dark | Up | 24.5 | 284.8 | Low | 13:04:17 - 13:18:31 | 8364 |
| Greenville | 13:11:24 | -25.0 | Dark | Up | 24.5 | 284.7 | Low | 13:04:17 - 13:18:31 | 8361 |
| Portola | 13:11:22 | -24.6 | Dark | Up | 24.1 | 285.1 | Low | 13:04:15 - 13:18:29 | 8357 |
| Yerington | 13:11:20 | -23.5 | Dark | Up | 22.9 | 286.2 | Low | 13:04:13 - 13:18:27 | 8353 |
| Quincy | 13:11:22 | -24.9 | Dark | Up | 24.5 | 284.8 | Low | 13:04:15 - 13:18:29 | 8347 |
| Hawthorne | 13:11:18 | -23.0 | Dark | Up | 22.4 | 286.7 | Low | 13:04:11 - 13:18:25 | 8342 |
| Carson City | 13:11:20 | -24.0 | Dark | Up | 23.4 | 285.8 | Low | 13:04:13 - 13:18:27 | 8341 |
| Gardnerville | 13:11:20 | -23.9 | Dark | Up | 23.3 | 285.9 | Low | 13:04:13 - 13:18:27 | 8326 |
| Indian Springs | 13:11:10 | -20.3 | Dark | Up | 19.6 | 288.9 | Really Low | 13:04:03 - 13:18:17 | 8325 |
| Patrick | 13:11:06 | -18.7 | Dark | Up | 17.8 | 290.1 | Really Low | 13:03:59 - 13:18:13 | 8316 |
| Henderson | 13:11:09 | -19.7 | Dark | Up | 18.9 | 289.4 | Really Low | 13:04:02 - 13:18:16 | 8315 |
| Beatty | 13:11:11 | -21.2 | Dark | Up | 20.5 | 288.2 | Low | 13:04:04 - 13:18:18 | 8304 |
| Kingman/Dolan Springs | 13:11:06 | -18.8 | Dark | Up | 17.9 | 290.1 | Really Low | 13:03:59 - 13:18:13 | 8293 |
| Lee Vining | 13:11:16 | -23.3 | Dark | Up | 22.6 | 286.6 | Low | 13:04:09 - 13:18:23 | 8282 |
| Searchlight/Boulder City | 13:11:06 | -19.5 | Dark | Up | 18.6 | 289.6 | Really Low | 13:03:59 - 13:18:13 | 8277 |
| Laughlin/Bullhead City | 13:11:06 | -19.2 | Dark | Up | 18.3 | 289.9 | Really Low | 13:03:59 - 13:18:13 | 8270 |
| Bishop | 13:11:13 | -22.6 | Dark | Up | 21.9 | 287.2 | Low | 13:04:06 - 13:18:20 | 8270 |
| Mohave Valley | 13:11:05 | -19.1 | Dark | Up | 18.2 | 290.0 | Really Low | 13:03:58 - 13:18:12 | 8251 |
| Lake Havasu City | 13:11:04 | -18.8 | Dark | Up | 17.9 | 290.2 | Really Low | 13:03:57 - 13:18:11 | 8232 |
| Lone Pine | 13:11:11 | -22.2 | Dark | Up | 21.4 | 287.7 | Low | 13:04:04 - 13:18:18 | 8229 |
| Parker | 13:11:03 | -18.7 | Dark | Up | 17.7 | 290.3 | Really Low | 13:03:56 - 13:18:10 | 8208 |
| Blythe | 13:11:01 | -18.9 | Dark | Up | 17.8 | 290.3 | Really Low | 13:03:54 - 13:18:08 | 8158 |
| Yuma | 13:10:58 | -18.7 | Dark | Up | 17.5 | 290.6 | Really Low | 13:03:51 - 13:18:05 | 8088 |
| Calipatria | 13:11:00 | -19.5 | Dark | Up | 18.3 | 290.0 | Really Low | 13:03:53 - 13:18:07 | 8082 |
| Idyllwild | 13:11:02 | -20.6 | Dark | Up | 19.5 | 289.3 | Really Low | 13:03:55 - 13:18:09 | 8077 |
| CPSLO | 13:11:08 | -24.1 | Dark | Up | 23.0 | 286.9 | Low | 13:04:01 - 13:18:15 | 8027 |
| Wildwood | 13:11:04 | -22.2 | Dark | Up | 21.1 | 288.3 | Low | 13:03:57 - 13:18:11 | 8024 |
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 09YT26, (2020/01/15 13:14UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 4.03 65 65 Gem 07:29:48.7 +27:54:57 6.1 1.54 68 PPM 097535 07:28:00.9 +26:13:39 7.5 0.23 69 09YT26 07:28:43.5 +26:23:28 11.8 68 Positions are for J2000
Event circumstances last updated at 2019/07/02 02:26:41 UT
Marc W. Buie, Southwest Research Institute