Event between 20DD5 and star GA0940:03571427 with event index number of 2414977
Geocentric closest approach at 2023/03/08 09:18:14 UTC
J2000 position of star is 11:12:07.6 +05:35:29
Equinox of date position of star is 11:13:16.5 +05:28:13
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 11 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=22.5
[RECON map]
TNO is 18.0 AU from the Sun
and 17.0 AU from the Earth.
The TNO is moving 21.5
km/sec on the sky relative to the star, or,
6.3 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
1146 km.
The sky-plane scale is
12345.3 km/arcsec.
The TNO has an absolute magnitude Hv=10.1
Diameter=57.3 km assuming a 5% albedo -- 2.7 sec chord
Diameter=23.4 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURR
Star training set for 20DD5, (2023/03/08 09:21UT) Object RA Dec mag sep mel Regulus 10:09:36.3 +11:51:11 1.3 16.99 28 Denebola 11:50:14.5 +14:26:33 2.1 12.77 11 77Sig Leo 11:22:19.9 +05:54:07 4.0 2.28 9 PPM 157519 11:07:52.3 +05:18:16 8.2 1.37 12 PPM 157610 11:12:59.2 +05:41:32 9.6 0.24 11 PPM 157615 11:13:11.4 +05:24:11 11.3 0.07 11 20DD5 11:13:19.5 +05:27:54 16.2 10 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 15.8 km
RECON observability=1.0 and success probability=17.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 09:18:17 | -36.4 | Dark | Up | 36.8 | 220.4 | Up | 09:11:14 - 09:25:19 | 2952 |
| Kamloops | 09:18:51 | -42.2 | Dark | Up | 42.7 | 203.5 | Up | 09:11:49 - 09:25:54 | 2463 |
| Kelowna | 09:18:46 | -42.7 | Dark | Up | 43.2 | 205.0 | Up | 09:11:44 - 09:25:49 | 2440 |
| Peachland | 09:18:47 | -42.9 | Dark | Up | 43.4 | 204.6 | Up | 09:11:44 - 09:25:49 | 2424 |
| Summerland | 09:18:46 | -43.0 | Dark | Up | 43.5 | 204.8 | Up | 09:11:44 - 09:25:49 | 2418 |
| Penticton | 09:18:45 | -43.0 | Dark | Up | 43.5 | 205.0 | Up | 09:11:43 - 09:25:48 | 2417 |
| Oliver | 09:18:45 | -43.3 | Dark | Up | 43.8 | 205.1 | Up | 09:11:42 - 09:25:47 | 2395 |
| Anarchist Mountain Observatory | 09:18:44 | -43.4 | Dark | Up | 43.9 | 205.5 | Up | 09:11:41 - 09:25:46 | 2391 |
| Tonasket | 09:18:43 | -43.7 | Dark | Up | 44.2 | 205.5 | Up | 09:11:40 - 09:25:45 | 2368 |
| Okanogan | 09:18:43 | -44.1 | Dark | Up | 44.6 | 205.4 | Up | 09:11:41 - 09:25:46 | 2342 |
| Brewster | 09:18:43 | -44.4 | Dark | Up | 44.9 | 205.3 | Up | 09:11:40 - 09:25:45 | 2319 |
| Manson/Chelan | 09:18:43 | -44.7 | Dark | Up | 45.2 | 204.9 | Up | 09:11:41 - 09:25:46 | 2294 |
| Dunrhomin | 09:17:36 | -44.7 | Dark | Up | 45.0 | 228.3 | Up | 09:10:33 - 09:24:38 | 2280 |
| CU-SBO | 09:17:35 | -44.9 | Dark | Up | 45.2 | 228.3 | Up | 09:10:33 - 09:24:38 | 2260 |
| Wenatchee | 09:18:43 | -45.2 | Dark | Up | 45.7 | 204.8 | Up | 09:11:40 - 09:25:45 | 2258 |
| Victoria | 09:18:55 | -44.9 | Dark | Up | 45.4 | 200.2 | Up | 09:11:52 - 09:25:57 | 2235 |
| Ellensburg | 09:18:42 | -45.6 | Dark | Up | 46.1 | 204.7 | Up | 09:11:39 - 09:25:44 | 2224 |
| PNWRO | 09:18:35 | -46.0 | Dark | Up | 46.5 | 207.4 | Up | 09:11:32 - 09:25:37 | 2211 |
| Yakima | 09:18:41 | -46.0 | Dark | Up | 46.5 | 204.8 | Up | 09:11:39 - 09:25:44 | 2196 |
| Toppenish/White Swan | 09:18:40 | -46.1 | Dark | Up | 46.6 | 205.2 | Up | 09:11:37 - 09:25:42 | 2187 |
| Goldendale | 09:18:40 | -46.8 | Dark | Up | 47.3 | 204.8 | Up | 09:11:37 - 09:25:42 | 2136 |
| The Dalles | 09:18:41 | -47.1 | Dark | Up | 47.6 | 204.4 | Up | 09:11:38 - 09:25:43 | 2109 |
| Maupin | 09:18:39 | -47.4 | Dark | Up | 47.9 | 204.8 | Up | 09:11:37 - 09:25:42 | 2084 |
| Sisters | 09:18:39 | -48.4 | Dark | Up | 48.9 | 204.5 | Up | 09:11:36 - 09:25:41 | 2006 |
| Bend | 09:18:37 | -48.5 | Dark | Up | 49.0 | 204.9 | Up | 09:11:34 - 09:25:39 | 1998 |
| Oregon Observatory | 09:18:37 | -48.7 | Dark | Up | 49.2 | 204.8 | Up | 09:11:34 - 09:25:39 | 1982 |
| North Lake | 09:18:34 | -49.1 | Dark | Up | 49.6 | 205.9 | Up | 09:11:31 - 09:25:36 | 1955 |
| Lakeview | 09:18:30 | -49.9 | Dark | Up | 50.4 | 207.3 | Up | 09:11:27 - 09:25:32 | 1897 |
| Chiloquin | 09:18:35 | -50.0 | Dark | Up | 50.5 | 204.9 | Up | 09:11:33 - 09:25:38 | 1873 |
| Cedarville | 09:18:27 | -50.5 | Dark | Up | 50.9 | 207.9 | Up | 09:11:24 - 09:25:29 | 1856 |
| Klamath Falls | 09:18:34 | -50.3 | Dark | Up | 50.8 | 205.2 | Up | 09:11:32 - 09:25:37 | 1851 |
| Fall River/Burney | 09:18:30 | -51.3 | Dark | Up | 51.8 | 206.3 | Up | 09:11:27 - 09:25:32 | 1777 |
| Susanville | 09:18:26 | -51.6 | Dark | Up | 52.1 | 207.8 | Up | 09:11:23 - 09:25:28 | 1757 |
| Gimple | 09:18:26 | -51.9 | Dark | Up | 52.4 | 207.7 | Up | 09:11:23 - 09:25:28 | 1728 |
| Greenville | 09:18:26 | -52.0 | Dark | Up | 52.4 | 207.5 | Up | 09:11:24 - 09:25:29 | 1726 |
| Reno | 09:18:21 | -52.1 | Dark | Up | 52.5 | 209.6 | Up | 09:11:18 - 09:25:23 | 1721 |
| Portola | 09:18:23 | -52.1 | Dark | Up | 52.5 | 208.4 | Up | 09:11:21 - 09:25:26 | 1718 |
| Quincy | 09:18:25 | -52.2 | Dark | Up | 52.6 | 207.6 | Up | 09:11:23 - 09:25:28 | 1710 |
| Tonopah | 09:18:08 | -52.4 | Dark | Up | 52.7 | 214.4 | Up | 09:11:05 - 09:25:10 | 1703 |
| Yerington | 09:18:17 | -52.3 | Dark | Up | 52.8 | 210.9 | Up | 09:11:14 - 09:25:19 | 1703 |
| Carson City | 09:18:20 | -52.4 | Dark | Up | 52.8 | 209.8 | Up | 09:11:17 - 09:25:22 | 1695 |
| Hawthorne | 09:18:14 | -52.5 | Dark | Up | 52.9 | 212.0 | Up | 09:11:11 - 09:25:16 | 1687 |
| Gardnerville | 09:18:19 | -52.6 | Dark | Up | 53.0 | 210.1 | Up | 09:11:16 - 09:25:21 | 1678 |
| Indian Springs | 09:17:59 | -52.9 | Dark | Up | 53.2 | 217.8 | Up | 09:10:56 - 09:25:01 | 1646 |
| Beatty | 09:18:03 | -53.1 | Dark | Up | 53.5 | 216.0 | Up | 09:11:01 - 09:25:06 | 1631 |
| Henderson | 09:17:54 | -53.0 | Dark | Up | 53.3 | 219.2 | Up | 09:10:52 - 09:24:57 | 1630 |
| Lee Vining | 09:18:14 | -53.2 | Dark | Up | 53.6 | 211.7 | Up | 09:11:12 - 09:25:17 | 1627 |
| Patrick | 09:17:49 | -52.9 | Dark | Up | 53.2 | 221.3 | Up | 09:10:46 - 09:24:51 | 1623 |
| Bishop | 09:18:10 | -53.4 | Dark | Up | 53.8 | 213.2 | Up | 09:11:07 - 09:25:12 | 1607 |
| Kingman/Dolan Springs | 09:17:49 | -53.2 | Dark | Up | 53.5 | 221.2 | Up | 09:10:46 - 09:24:51 | 1599 |
| Laughlin/Bullhead City | 09:17:51 | -53.5 | Dark | Up | 53.8 | 220.5 | Up | 09:10:48 - 09:24:53 | 1577 |
| George/Scottsdale | 09:17:37 | -53.1 | Dark | Up | 53.3 | 225.5 | Up | 09:10:34 - 09:24:39 | 1567 |
| Mohave Valley | 09:17:50 | -53.7 | Dark | Up | 54.0 | 220.8 | Up | 09:10:47 - 09:24:52 | 1556 |
| Lake Havasu City | 09:17:48 | -53.9 | Dark | Up | 54.2 | 221.5 | Up | 09:10:45 - 09:24:50 | 1535 |
| Parker | 09:17:47 | -54.1 | Dark | Up | 54.4 | 221.8 | Up | 09:10:44 - 09:24:49 | 1508 |
| Idyllwild | 09:17:54 | -55.7 | Dark | Up | 56.0 | 218.7 | Up | 09:10:52 - 09:24:57 | 1384 |
| Calipatria | 09:17:48 | -55.6 | Dark | Up | 55.8 | 221.0 | Up | 09:10:46 - 09:24:51 | 1380 |
| Yuma | 09:17:44 | -55.4 | Dark | Up | 55.7 | 222.7 | Up | 09:10:42 - 09:24:47 | 1380 |
| Wildwood | 09:18:02 | -56.3 | Dark | Up | 56.6 | 215.5 | Up | 09:11:00 - 09:25:05 | 1341 |
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, (2023/03/08 09:21UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 16.99 28 Denebola 11:49:02.8 +14:34:17 2.1 12.77 11 77Sig Leo 11:21:08.1 +06:01:45 4.0 2.28 9 PPM 157519 11:06:40.4 +05:25:48 8.2 1.37 12 PPM 157610 11:11:47.2 +05:49:06 9.6 0.24 11 PPM 157615 11:11:59.5 +05:31:45 11.3 0.07 11 20DD5 11:12:07.6 +05:35:29 16.2 11 Positions are for J2000
Event circumstances last updated at 2022/03/12 01:53:56 UT
Marc W. Buie, Southwest Research Institute