Event between 20DD5 and star GA0920:03593707 with event index number of 2414990
Geocentric closest approach at 2024/01/21 10:03:35 UTC
J2000 position of star is 11:40:14.1 +02:57:04
Equinox of date position of star is 11:41:22.5 +02:49:40
Stellar brightness G=15.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 103 degrees from the moon.
Moon is 82% illuminated.
TNO apparent brightness V=22.9
[RECON map]
TNO is 18.1 AU from the Sun
and 17.5 AU from the Earth.
The TNO is moving 9.4
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 295 seconds.
The 1-sigma cross-track error in the shadow position is
1386 km.
The sky-plane scale is
12719.5 km/arcsec.
The TNO has an absolute magnitude Hv=10.1
Diameter=57.3 km assuming a 5% albedo -- 6.1 sec chord
Diameter=23.4 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is CENTAURR
Star training set for 20DD5, (2024/01/21 10:13UT) Object RA Dec mag sep mel Regulus 10:09:39.1 +11:50:55 1.3 24.47 79 Denebola 11:50:17.2 +14:26:15 2.1 11.82 100 89 Leo 11:35:35.9 +02:55:35 6.2 1.47 102 PPM 158073 11:40:42.2 +02:42:49 8.4 0.22 103 PPM 158084 11:41:24.8 +02:55:06 11.1 0.10 103 20DD5 11:41:28.2 +02:49:03 15.1 104 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
3.1 sigma about the mid-time.
The median site spacing is 22.6 km
RECON observability=1.0 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) |
| Sleaford | 10:08:26 | -43.6 | Dark | Up | 40.3 | 168.7 | Up | 09:53:26 - 10:23:26 | 7659 |
| Kamloops | 10:09:54 | -51.6 | Dark | Up | 38.6 | 150.5 | Up | 09:54:54 - 10:24:54 | 7113 |
| Kelowna | 10:09:49 | -51.7 | Dark | Up | 39.6 | 151.3 | Up | 09:54:49 - 10:24:49 | 7073 |
| Peachland | 10:09:48 | -51.9 | Dark | Up | 39.6 | 150.8 | Up | 09:54:48 - 10:24:48 | 7055 |
| Summerland | 10:09:49 | -52.0 | Dark | Up | 39.7 | 150.9 | Up | 09:54:49 - 10:24:49 | 7046 |
| Penticton | 10:09:48 | -51.9 | Dark | Up | 39.8 | 151.0 | Up | 09:54:48 - 10:24:48 | 7044 |
| Oliver | 10:09:47 | -52.2 | Dark | Up | 40.1 | 150.9 | Up | 09:54:47 - 10:24:47 | 7015 |
| Anarchist Mountain Observatory | 10:09:46 | -52.2 | Dark | Up | 40.4 | 151.0 | Up | 09:54:46 - 10:24:46 | 7007 |
| Tonasket | 10:09:44 | -52.4 | Dark | Up | 40.6 | 150.8 | Up | 09:54:44 - 10:24:44 | 6979 |
| Okanogan | 10:09:47 | -52.7 | Dark | Up | 40.8 | 150.5 | Up | 09:54:47 - 10:24:47 | 6946 |
| Brewster | 10:09:49 | -53.0 | Dark | Up | 41.0 | 150.1 | Up | 09:54:49 - 10:24:49 | 6917 |
| Manson/Chelan | 10:09:49 | -53.3 | Dark | Up | 41.1 | 149.6 | Up | 09:54:49 - 10:24:49 | 6888 |
| Victoria | 10:10:10 | -54.5 | Dark | Up | 39.4 | 146.0 | Up | 09:55:10 - 10:25:10 | 6843 |
| Wenatchee | 10:09:50 | -53.7 | Dark | Up | 41.4 | 149.1 | Up | 09:54:50 - 10:24:50 | 6843 |
| Ellensburg | 10:09:53 | -54.1 | Dark | Up | 41.7 | 148.7 | Up | 09:54:53 - 10:24:53 | 6801 |
| Dunrhomin | 10:07:44 | -47.5 | Dark | Up | 52.0 | 166.9 | Up | 09:52:44 - 10:22:44 | 6776 |
| PNWRO | 10:09:39 | -53.8 | Dark | Up | 43.1 | 150.3 | Up | 09:54:39 - 10:24:39 | 6769 |
| Yakima | 10:09:53 | -54.3 | Dark | Up | 42.0 | 148.5 | Up | 09:54:53 - 10:24:53 | 6766 |
| Toppenish/White Swan | 10:09:49 | -54.4 | Dark | Up | 42.3 | 148.6 | Up | 09:54:49 - 10:24:49 | 6753 |
| CU-SBO | 10:07:44 | -47.6 | Dark | Up | 52.2 | 166.7 | Up | 09:52:44 - 10:22:44 | 6751 |
| Goldendale | 10:09:53 | -54.9 | Dark | Up | 42.6 | 147.8 | Up | 09:54:53 - 10:24:53 | 6692 |
| The Dalles | 10:09:54 | -55.3 | Dark | Up | 42.7 | 147.2 | Up | 09:54:54 - 10:24:54 | 6660 |
| Maupin | 10:09:51 | -55.5 | Dark | Up | 43.0 | 147.1 | Up | 09:54:51 - 10:24:51 | 6627 |
| Sisters | 10:09:56 | -56.3 | Dark | Up | 43.6 | 146.1 | Up | 09:54:56 - 10:24:56 | 6534 |
| Bend | 10:09:53 | -56.3 | Dark | Up | 43.9 | 146.3 | Up | 09:54:53 - 10:24:53 | 6522 |
| Oregon Observatory | 10:09:53 | -56.5 | Dark | Up | 44.0 | 146.0 | Up | 09:54:53 - 10:24:53 | 6502 |
| North Lake | 10:09:47 | -56.5 | Dark | Up | 44.7 | 146.3 | Up | 09:54:47 - 10:24:47 | 6464 |
| Lakeview | 10:09:42 | -56.8 | Dark | Up | 45.8 | 146.4 | Up | 09:54:42 - 10:24:42 | 6388 |
| Chiloquin | 10:09:55 | -57.5 | Dark | Up | 44.9 | 144.8 | Up | 09:54:55 - 10:24:55 | 6371 |
| Klamath Falls | 10:09:53 | -57.6 | Dark | Up | 45.2 | 144.7 | Up | 09:54:53 - 10:24:53 | 6343 |
| Cedarville | 10:09:41 | -57.0 | Dark | Up | 46.4 | 146.3 | Up | 09:54:41 - 10:24:41 | 6336 |
| Fall River/Burney | 10:09:51 | -58.0 | Dark | Up | 46.3 | 144.4 | Up | 09:54:51 - 10:24:51 | 6249 |
| Susanville | 10:09:41 | -57.9 | Dark | Up | 47.2 | 145.0 | Up | 09:54:41 - 10:24:41 | 6218 |
| Gimple | 10:09:42 | -58.2 | Dark | Up | 47.3 | 144.5 | Up | 09:54:42 - 10:24:42 | 6185 |
| Greenville | 10:09:45 | -58.3 | Dark | Up | 47.3 | 144.4 | Up | 09:54:45 - 10:24:45 | 6183 |
| Portola | 10:09:39 | -58.1 | Dark | Up | 47.7 | 144.8 | Up | 09:54:39 - 10:24:39 | 6170 |
| Reno | 10:09:36 | -57.8 | Dark | Up | 48.2 | 145.5 | Up | 09:54:36 - 10:24:36 | 6168 |
| Quincy | 10:09:45 | -58.4 | Dark | Up | 47.4 | 144.3 | Up | 09:54:45 - 10:24:45 | 6164 |
| Yerington | 10:09:30 | -57.6 | Dark | Up | 49.0 | 146.0 | Up | 09:54:30 - 10:24:30 | 6141 |
| Carson City | 10:09:35 | -58.0 | Dark | Up | 48.5 | 145.3 | Up | 09:54:35 - 10:24:35 | 6136 |
| Tonopah | 10:09:11 | -56.7 | Dark | Up | 50.5 | 148.0 | Up | 09:54:11 - 10:24:11 | 6128 |
| Hawthorne | 10:09:26 | -57.5 | Dark | Up | 49.6 | 146.4 | Up | 09:54:26 - 10:24:26 | 6118 |
| Gardnerville | 10:09:34 | -58.1 | Dark | Up | 48.8 | 145.2 | Up | 09:54:34 - 10:24:34 | 6116 |
| Indian Springs | 10:08:56 | -56.2 | Dark | Up | 52.4 | 149.2 | Up | 09:53:56 - 10:23:56 | 6050 |
| Lee Vining | 10:09:26 | -58.1 | Dark | Up | 49.8 | 145.4 | Up | 09:54:26 - 10:24:26 | 6049 |
| Beatty | 10:09:07 | -56.8 | Dark | Up | 51.7 | 147.9 | Up | 09:54:07 - 10:24:07 | 6039 |
| Henderson | 10:08:49 | -55.9 | Dark | Up | 53.2 | 149.9 | Up | 09:53:49 - 10:23:49 | 6028 |
| Bishop | 10:09:20 | -57.8 | Dark | Up | 50.6 | 145.9 | Up | 09:54:20 - 10:24:20 | 6020 |
| Patrick | 10:08:38 | -55.2 | Dark | Up | 54.1 | 151.1 | Up | 09:53:38 - 10:23:38 | 6014 |
| Kingman/Dolan Springs | 10:08:39 | -55.4 | Dark | Up | 54.2 | 150.6 | Up | 09:53:39 - 10:23:39 | 5986 |
| Laughlin/Bullhead City | 10:08:44 | -55.8 | Dark | Up | 54.1 | 149.9 | Up | 09:53:44 - 10:23:44 | 5964 |
| George/Scottsdale | 10:08:18 | -54.1 | Dark | Up | 56.4 | 153.1 | Up | 09:53:18 - 10:23:18 | 5939 |
| Mohave Valley | 10:08:42 | -55.9 | Dark | Up | 54.3 | 149.7 | Up | 09:53:42 - 10:23:42 | 5939 |
| Lake Havasu City | 10:08:39 | -55.8 | Dark | Up | 54.7 | 149.7 | Up | 09:53:39 - 10:23:39 | 5912 |
| Parker | 10:08:38 | -55.9 | Dark | Up | 55.1 | 149.5 | Up | 09:53:38 - 10:23:38 | 5880 |
| Idyllwild | 10:08:57 | -57.9 | Dark | Up | 54.4 | 145.6 | Up | 09:53:57 - 10:23:57 | 5747 |
| Calipatria | 10:08:45 | -57.1 | Dark | Up | 55.4 | 146.9 | Up | 09:53:45 - 10:23:45 | 5736 |
| Yuma | 10:08:37 | -56.6 | Dark | Up | 56.1 | 147.9 | Up | 09:53:37 - 10:23:37 | 5732 |
| Wildwood | 10:09:13 | -59.2 | Dark | Up | 53.2 | 143.2 | Up | 09:54:13 - 10:24:13 | 5707 |
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 20DD5, (2024/01/21 10:13UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 24.47 79 Denebola 11:49:02.8 +14:34:17 2.1 11.82 100 89 Leo 11:34:21.7 +03:03:34 6.2 1.47 102 PPM 158073 11:39:28.1 +02:50:49 8.4 0.22 103 PPM 158084 11:40:10.7 +03:03:07 11.1 0.10 103 20DD5 11:40:14.1 +02:57:04 15.1 103 Positions are for J2000
Event circumstances last updated at 2022/03/25 00:29:57 UT
Marc W. Buie, Southwest Research Institute