Event between 09DJ143 and star GA0940:03854115 with event index number of 2034232
Geocentric closest approach at 2022/07/31 04:20:48 UTC
J2000 position of star is 14:00:20.1 +04:54:35
Equinox of date position of star is 14:01:25.9 +04:48:17
Stellar brightness G=13.4,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 51 degrees from the moon.
Moon is 6% illuminated.
TNO apparent brightness V=22.5
[RECON map]
TNO is 37.9 AU from the Sun
and 38.1 AU from the Earth.
The TNO is moving 13.8
km/sec on the sky relative to the star, or,
1.8 arcsec/hr.
The 1-sigma error in the time of the event is 139 seconds.
The 1-sigma cross-track error in the shadow position is
2908 km.
The sky-plane scale is
27642.3 km/arcsec.
The TNO has an absolute magnitude Hv=6.5
Diameter=255.9 km assuming a 5% albedo -- 22.0 sec chord
Diameter=104.5 km assuming a 30% albedo -- 9.0 sec chord
Dynamical classification is 13:4EEEEEEEEE
Star training set for 09DJ143, (2022/07/31 04:21UT) Object RA Dec mag sep mel Arcturus 14:16:41.6 +19:03:59 0.0 14.74 53 Vindemiatrix 13:03:18.1 +10:50:18 2.8 15.61 36 PPM 160305 14:05:03.8 +04:47:36 6.2 0.90 52 PPM 160201 13:59:04.9 +05:00:30 8.3 0.63 51 PPM 160238 14:01:27.1 +04:44:55 9.7 0.05 51 09DJ143 14:01:28.2 +04:48:04 13.4 52 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 17.6 km
RECON observability=0.3 and success probability=0.2%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Dunrhomin | 04:19:56 | -19.7 | Dark | Down | 26.9 | 252.3 | Low | 04:07:54 - 04:31:59 | 11283 |
| George/Scottsdale | 04:20:31 | -20.6 | Dark | Down | 33.9 | 251.0 | Up | 04:08:28 - 04:32:33 | 10912 |
| Patrick | 04:20:13 | -18.1 | Dark | Down | 34.9 | 248.4 | Up | 04:08:11 - 04:32:16 | 10841 |
| Kingman/Dolan Springs | 04:20:15 | -18.2 | Dark | Down | 35.2 | 248.4 | Up | 04:08:12 - 04:32:17 | 10827 |
| Lake Havasu City | 04:20:20 | -18.5 | Dark | Down | 35.6 | 248.6 | Up | 04:08:17 - 04:32:22 | 10801 |
| Laughlin/Bullhead City | 04:20:14 | -17.9 | AT | Down | 35.6 | 248.0 | Up | 04:08:11 - 04:32:16 | 10800 |
| Parker | 04:20:24 | -18.7 | Dark | Down | 35.7 | 248.9 | Up | 04:08:21 - 04:32:26 | 10796 |
| Mohave Valley | 04:20:17 | -18.0 | Dark | Down | 35.7 | 248.2 | Up | 04:08:14 - 04:32:19 | 10795 |
| Henderson | 04:20:06 | -17.0 | AT | Up | 35.6 | 247.0 | Up | 04:08:04 - 04:32:09 | 10794 |
| Blythe | 04:20:25 | -18.8 | Dark | Down | 36.1 | 249.0 | Up | 04:08:23 - 04:32:28 | 10771 |
| Indian Springs | 04:20:00 | -16.2 | AT | Up | 35.9 | 246.1 | Up | 04:07:57 - 04:32:02 | 10767 |
| Yuma | 04:20:33 | -19.4 | Dark | Down | 36.4 | 249.7 | Up | 04:08:31 - 04:32:36 | 10750 |
| Beatty | 04:19:56 | -15.3 | AT | Up | 36.6 | 244.9 | Up | 04:07:53 - 04:31:58 | 10716 |
| Tonopah | 04:19:47 | -14.3 | AT | Up | 36.4 | 243.7 | Up | 04:07:44 - 04:31:49 | 10710 |
| Calipatria | 04:20:28 | -18.5 | Dark | Down | 37.0 | 248.7 | Up | 04:08:25 - 04:32:30 | 10710 |
| PNWRO | 04:18:49 | -8.3 | NT | Up | 33.7 | 237.1 | Up | 04:06:46 - 04:30:51 | 10701 |
| Pasco | 04:18:41 | -8.1 | NT | Up | 33.7 | 236.7 | Up | 04:06:39 - 04:30:44 | 10690 |
| Clarence Fulton | 04:18:17 | -5.5 | CT | Up | 31.6 | 234.3 | Up | 04:06:15 - 04:30:20 | 10686 |
| Anarchist Mountain Observatory | 04:18:21 | -6.2 | NT | Up | 32.4 | 234.9 | Up | 04:06:18 - 04:30:23 | 10686 |
| Tonasket | 04:18:28 | -6.4 | NT | Up | 32.6 | 235.0 | Up | 04:06:25 - 04:30:30 | 10682 |
| Kelowna | 04:18:17 | -5.6 | CT | Up | 31.9 | 234.4 | Up | 04:06:15 - 04:30:20 | 10680 |
| Oliver | 04:18:24 | -6.0 | NT | Up | 32.4 | 234.6 | Up | 04:06:22 - 04:30:27 | 10676 |
| Penticton | 04:18:17 | -5.8 | CT | Up | 32.2 | 234.4 | Up | 04:06:15 - 04:30:20 | 10676 |
| Okanogan | 04:18:24 | -6.5 | NT | Up | 32.9 | 235.0 | Up | 04:06:22 - 04:30:27 | 10674 |
| Summerland | 04:18:17 | -5.7 | CT | Up | 32.2 | 234.3 | Up | 04:06:15 - 04:30:20 | 10671 |
| Peachland | 04:18:17 | -5.5 | CT | Up | 32.2 | 234.1 | Up | 04:06:15 - 04:30:20 | 10667 |
| Brewster | 04:18:26 | -6.5 | NT | Up | 33.1 | 235.0 | Up | 04:06:23 - 04:30:28 | 10664 |
| Idyllwild | 04:20:20 | -17.4 | AT | Up | 37.7 | 247.3 | Up | 04:08:17 - 04:32:22 | 10660 |
| Manson/Chelan | 04:18:28 | -6.5 | NT | Up | 33.4 | 234.7 | Up | 04:06:25 - 04:30:30 | 10647 |
| Hawthorne | 04:19:39 | -13.1 | AT | Up | 37.2 | 242.2 | Up | 04:07:36 - 04:31:41 | 10643 |
| Wenatchee | 04:18:32 | -6.7 | NT | Up | 33.8 | 234.8 | Up | 04:06:30 - 04:30:35 | 10638 |
| Bishop | 04:19:49 | -14.0 | AT | Up | 37.5 | 243.2 | Up | 04:07:46 - 04:31:51 | 10637 |
| Toppenish/White Swan | 04:18:39 | -7.3 | NT | Up | 34.4 | 235.4 | Up | 04:06:37 - 04:30:42 | 10631 |
| Ellensburg | 04:18:35 | -6.8 | NT | Up | 34.1 | 234.9 | Up | 04:06:32 - 04:30:37 | 10626 |
| Yakima | 04:18:38 | -7.0 | NT | Up | 34.4 | 235.1 | Up | 04:06:36 - 04:30:41 | 10623 |
| Yerington | 04:19:35 | -12.5 | AT | Up | 37.4 | 241.3 | Up | 04:07:32 - 04:31:37 | 10622 |
| Lee Vining | 04:19:42 | -13.2 | AT | Up | 37.8 | 242.1 | Up | 04:07:40 - 04:31:45 | 10608 |
| Goldendale | 04:18:45 | -7.4 | NT | Up | 34.9 | 235.3 | Up | 04:06:43 - 04:30:48 | 10607 |
| Cedarville | 04:19:13 | -10.3 | NT | Up | 36.8 | 238.7 | Up | 04:07:11 - 04:31:16 | 10602 |
| Lakeview | 04:19:10 | -9.8 | NT | Up | 36.6 | 238.1 | Up | 04:07:07 - 04:31:12 | 10600 |
| Paisley | 04:19:04 | -9.4 | NT | Up | 36.5 | 237.5 | Up | 04:07:01 - 04:31:06 | 10596 |
| Reno | 04:19:28 | -11.8 | NT | Up | 37.6 | 240.3 | Up | 04:07:26 - 04:31:31 | 10595 |
| Carson City | 04:19:32 | -12.0 | NT | Up | 37.7 | 240.6 | Up | 04:07:29 - 04:31:34 | 10591 |
| Gardnerville | 04:19:33 | -12.2 | AT | Up | 37.8 | 240.8 | Up | 04:07:31 - 04:31:36 | 10590 |
| Maupin | 04:18:46 | -7.6 | NT | Up | 35.5 | 235.4 | Up | 04:06:43 - 04:30:48 | 10590 |
| The Dalles | 04:18:41 | -7.3 | NT | Up | 35.3 | 235.0 | Up | 04:06:39 - 04:30:44 | 10587 |
| North Lake | 04:18:59 | -8.9 | NT | Up | 36.4 | 236.8 | Up | 04:06:57 - 04:31:02 | 10583 |
| Redmond | 04:18:56 | -8.1 | NT | Up | 36.0 | 235.9 | Up | 04:06:53 - 04:30:58 | 10579 |
| Bend | 04:18:52 | -8.1 | NT | Up | 36.2 | 235.9 | Up | 04:06:50 - 04:30:55 | 10569 |
| Portola | 04:19:25 | -11.2 | NT | Up | 37.9 | 239.5 | Up | 04:07:22 - 04:31:27 | 10564 |
| Wildwood | 04:20:12 | -15.9 | AT | Up | 39.0 | 245.4 | Up | 04:08:10 - 04:32:15 | 10563 |
| Susanville | 04:19:24 | -10.7 | NT | Up | 37.7 | 239.0 | Up | 04:07:21 - 04:31:26 | 10563 |
| Oregon Observatory | 04:18:52 | -8.2 | NT | Up | 36.4 | 235.9 | Up | 04:06:50 - 04:30:55 | 10561 |
| Sisters | 04:18:50 | -7.8 | NT | Up | 36.2 | 235.5 | Up | 04:06:48 - 04:30:53 | 10558 |
| La Pine/Gilchrist | 04:18:54 | -8.2 | NT | Up | 36.5 | 235.9 | Up | 04:06:52 - 04:30:57 | 10556 |
| Gimple | 04:19:27 | -10.8 | NT | Up | 38.0 | 239.0 | Up | 04:07:25 - 04:31:30 | 10548 |
| Greenville | 04:19:22 | -10.7 | NT | Up | 38.0 | 238.9 | Up | 04:07:19 - 04:31:24 | 10543 |
| Quincy | 04:19:26 | -10.8 | NT | Up | 38.1 | 239.0 | Up | 04:07:23 - 04:31:28 | 10540 |
| Fall River/Burney | 04:19:17 | -9.9 | NT | Up | 37.8 | 237.8 | Up | 04:07:14 - 04:31:19 | 10531 |
| Chiloquin | 04:19:01 | -8.7 | NT | Up | 37.4 | 236.3 | Up | 04:06:59 - 04:31:04 | 10526 |
| Klamath Falls | 04:19:04 | -8.9 | NT | Up | 37.5 | 236.6 | Up | 04:07:01 - 04:31:06 | 10526 |
| Victoria | 04:18:17 | -4.3 | CT | Up | 34.8 | 231.0 | Up | 04:06:15 - 04:30:20 | 10495 |
| CPSLO | 04:19:57 | -13.7 | AT | Up | 40.1 | 242.7 | Up | 04:07:55 - 04:32:00 | 10472 |
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 09DJ143, (2022/07/31 04:21UT) Object RA Dec mag sep mel Arcturus 14:15:38.0 +19:10:14 0.0 14.74 53 Vindemiatrix 13:02:10.2 +10:57:33 2.8 15.61 36 PPM 160305 14:03:55.7 +04:54:03 6.2 0.90 52 PPM 160201 13:57:56.8 +05:07:04 8.3 0.63 51 PPM 160238 14:00:18.9 +04:51:26 9.7 0.05 51 09DJ143 14:00:20.1 +04:54:35 13.4 51 Positions are for J2000
Event circumstances last updated at 2021/10/26 23:54:42 UT
Marc W. Buie, Southwest Research Institute