Event between (505624) 14GU53 and star GA0900:04735838 with event index number of 1234871
Geocentric closest approach at 2023/04/28 08:56:21 UTC
J2000 position of star is 16:42:13.9 +00:37:47
Equinox of date position of star is 16:43:16.7 +00:35:31
Stellar brightness G=15.8,
use SENSEUP=128
Star is 111 degrees from the moon.
Moon is 55% illuminated.
TNO apparent brightness V=25.8
[RECON map]
TNO is 37.8 AU from the Sun
and 37.0 AU from the Earth.
The TNO is moving 21.1
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 153 seconds.
The 1-sigma cross-track error in the shadow position is
1634 km.
The sky-plane scale is
26829.0 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=436.5 km assuming a 5% albedo -- 2.9 sec chord
Diameter=178.2 km assuming a 30% albedo -- 1.2 sec chord
Dynamical classification is SCATEXTD
Star training set for 505624, (2023/04/28 08:56UT) Object RA Dec mag sep mel Antares 16:30:50.5 -26:28:54 0.9 27.24 117 1Del Oph 16:15:34.2 -03:45:09 2.7 8.20 107 14 Oph 16:42:53.5 +01:08:18 6.0 0.57 111 PPM 163005 16:43:51.6 +00:29:00 8.9 0.15 112 PPM 163006 16:43:55.0 +00:34:18 11.3 0.12 111 505624 16:43:25.3 +00:35:12 15.8 112 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 15.2 km
RECON observability=1.0 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) |
| Clarence Fulton | 08:58:59 | -24.1 | Dark | Up | 37.8 | 155.6 | Up | 08:45:43 - 09:12:15 | 9972 |
| Kelowna | 08:58:59 | -24.5 | Dark | Up | 38.1 | 155.3 | Up | 08:45:43 - 09:12:15 | 9937 |
| Peachland | 08:59:01 | -24.7 | Dark | Up | 38.1 | 154.9 | Up | 08:45:45 - 09:12:17 | 9920 |
| Summerland | 08:59:01 | -24.8 | Dark | Up | 38.3 | 155.0 | Up | 08:45:45 - 09:12:17 | 9911 |
| Penticton | 08:59:00 | -24.8 | Dark | Up | 38.4 | 155.1 | Up | 08:45:44 - 09:12:16 | 9909 |
| Oliver | 08:59:00 | -25.2 | Dark | Up | 38.7 | 155.0 | Up | 08:45:44 - 09:12:16 | 9881 |
| Anarchist Mountain Observatory | 08:58:59 | -25.3 | Dark | Up | 38.9 | 155.1 | Up | 08:45:43 - 09:12:15 | 9874 |
| Tonasket | 08:59:00 | -25.6 | Dark | Up | 39.2 | 155.0 | Up | 08:45:44 - 09:12:16 | 9847 |
| Okanogan | 08:59:00 | -26.0 | Dark | Up | 39.4 | 154.7 | Up | 08:45:44 - 09:12:16 | 9816 |
| Brewster | 08:59:01 | -26.3 | Dark | Up | 39.6 | 154.3 | Up | 08:45:45 - 09:12:17 | 9788 |
| Manson/Chelan | 08:59:02 | -26.5 | Dark | Up | 39.7 | 153.8 | Up | 08:45:46 - 09:12:18 | 9760 |
| Entiat | 08:59:01 | -26.8 | Dark | Up | 39.9 | 153.6 | Up | 08:45:45 - 09:12:17 | 9740 |
| Wenatchee | 08:59:01 | -27.0 | Dark | Up | 40.1 | 153.4 | Up | 08:45:45 - 09:12:17 | 9717 |
| Victoria | 08:59:12 | -26.5 | Dark | Up | 38.1 | 150.1 | Up | 08:45:56 - 09:12:28 | 9712 |
| Ellensburg | 08:59:01 | -27.5 | Dark | Up | 40.4 | 152.9 | Up | 08:45:45 - 09:12:17 | 9676 |
| Pasco | 08:58:58 | -27.9 | Dark | Up | 41.5 | 154.4 | Up | 08:45:42 - 09:12:14 | 9661 |
| Niwot | 08:58:04 | -29.0 | Dark | Up | 50.2 | 172.0 | Up | 08:44:48 - 09:11:20 | 9659 |
| PNWRO | 08:58:57 | -28.1 | Dark | Up | 41.8 | 154.6 | Up | 08:45:41 - 09:12:13 | 9649 |
| SwRI | 08:58:06 | -29.2 | Dark | Up | 50.3 | 171.8 | Up | 08:44:50 - 09:11:22 | 9647 |
| Yakima | 08:59:01 | -27.8 | Dark | Up | 40.7 | 152.8 | Up | 08:45:45 - 09:12:17 | 9643 |
| Toppenish/White Swan | 08:59:01 | -28.0 | Dark | Up | 41.0 | 152.9 | Up | 08:45:45 - 09:12:17 | 9630 |
| Goldendale | 08:59:04 | -28.6 | Dark | Up | 41.3 | 152.2 | Up | 08:45:48 - 09:12:20 | 9571 |
| The Dalles | 08:59:02 | -28.9 | Dark | Up | 41.4 | 151.6 | Up | 08:45:46 - 09:12:18 | 9541 |
| Maupin | 08:59:03 | -29.3 | Dark | Up | 41.8 | 151.6 | Up | 08:45:47 - 09:12:19 | 9509 |
| Redmond | 08:59:03 | -30.2 | Dark | Up | 42.6 | 151.0 | Up | 08:45:47 - 09:12:19 | 9431 |
| Sisters | 08:59:02 | -30.2 | Dark | Up | 42.4 | 150.5 | Up | 08:45:46 - 09:12:18 | 9420 |
| Bend | 08:59:03 | -30.4 | Dark | Up | 42.7 | 150.8 | Up | 08:45:47 - 09:12:19 | 9408 |
| Oregon Observatory | 08:59:02 | -30.6 | Dark | Up | 42.8 | 150.5 | Up | 08:45:46 - 09:12:18 | 9389 |
| La Pine/Gilchrist | 08:59:04 | -30.8 | Dark | Up | 43.0 | 150.4 | Up | 08:45:48 - 09:12:20 | 9370 |
| North Lake | 08:59:02 | -31.1 | Dark | Up | 43.6 | 150.9 | Up | 08:45:46 - 09:12:18 | 9353 |
| Paisley | 08:59:00 | -31.6 | Dark | Up | 44.2 | 151.1 | Up | 08:45:44 - 09:12:16 | 9318 |
| Lakeview | 08:58:59 | -32.0 | Dark | Up | 44.7 | 151.1 | Up | 08:45:43 - 09:12:15 | 9281 |
| Klamath Falls | 08:59:03 | -32.3 | Dark | Up | 44.1 | 149.3 | Up | 08:45:47 - 09:12:19 | 9235 |
| Cedarville | 08:58:59 | -32.6 | Dark | Up | 45.3 | 151.0 | Up | 08:45:43 - 09:12:15 | 9230 |
| Fall River/Burney | 08:59:01 | -33.3 | Dark | Up | 45.3 | 149.2 | Up | 08:45:45 - 09:12:17 | 9146 |
| Susanville | 08:58:59 | -33.8 | Dark | Up | 46.1 | 149.8 | Up | 08:45:43 - 09:12:15 | 9117 |
| Gimple | 08:58:59 | -34.1 | Dark | Up | 46.3 | 149.4 | Up | 08:45:43 - 09:12:15 | 9085 |
| Greenville | 08:58:59 | -34.1 | Dark | Up | 46.2 | 149.3 | Up | 08:45:43 - 09:12:15 | 9082 |
| Portola | 08:58:59 | -34.3 | Dark | Up | 46.7 | 149.8 | Up | 08:45:43 - 09:12:15 | 9070 |
| Reno | 08:58:57 | -34.4 | Dark | Up | 47.2 | 150.5 | Up | 08:45:41 - 09:12:13 | 9070 |
| Quincy | 08:58:59 | -34.3 | Dark | Up | 46.4 | 149.2 | Up | 08:45:43 - 09:12:15 | 9064 |
| Yerington | 08:58:52 | -34.8 | Dark | Up | 47.9 | 151.1 | Up | 08:45:36 - 09:12:08 | 9045 |
| Carson City | 08:58:55 | -34.8 | Dark | Up | 47.5 | 150.3 | Up | 08:45:39 - 09:12:11 | 9039 |
| Tonopah | 08:58:45 | -35.1 | Dark | Up | 49.4 | 153.3 | Up | 08:45:29 - 09:12:01 | 9034 |
| Hawthorne | 08:58:50 | -35.1 | Dark | Up | 48.5 | 151.5 | Up | 08:45:34 - 09:12:06 | 9023 |
| Gardnerville | 08:58:54 | -35.0 | Dark | Up | 47.7 | 150.2 | Up | 08:45:38 - 09:12:10 | 9019 |
| Indian Springs | 08:58:37 | -36.0 | Dark | Up | 51.3 | 154.7 | Up | 08:45:21 - 09:11:53 | 8961 |
| Lee Vining | 08:58:50 | -35.7 | Dark | Up | 48.8 | 150.5 | Up | 08:45:34 - 09:12:06 | 8955 |
| Beatty | 08:58:41 | -36.1 | Dark | Up | 50.6 | 153.3 | Up | 08:45:25 - 09:11:57 | 8949 |
| Henderson | 08:58:34 | -36.3 | Dark | Up | 52.0 | 155.5 | Up | 08:45:18 - 09:11:50 | 8940 |
| DCO | 08:58:26 | -36.5 | Dark | Up | 53.4 | 157.8 | Up | 08:45:10 - 09:11:42 | 8929 |
| Bishop | 08:58:47 | -36.1 | Dark | Up | 49.6 | 151.2 | Up | 08:45:31 - 09:12:03 | 8929 |
| Patrick | 08:58:30 | -36.5 | Dark | Up | 52.9 | 156.8 | Up | 08:45:14 - 09:11:46 | 8928 |
| Kingman/Dolan Springs | 08:58:29 | -36.8 | Dark | Up | 53.1 | 156.4 | Up | 08:45:13 - 09:11:45 | 8901 |
| Searchlight/Boulder City | 08:58:33 | -36.8 | Dark | Up | 52.6 | 155.2 | Up | 08:45:17 - 09:11:49 | 8892 |
| Laughlin/Bullhead City | 08:58:31 | -37.0 | Dark | Up | 52.9 | 155.6 | Up | 08:45:15 - 09:11:47 | 8878 |
| George/Scottsdale | 08:58:19 | -37.2 | Dark | Up | 55.1 | 159.1 | Up | 08:45:03 - 09:11:35 | 8857 |
| Mohave Valley | 08:58:32 | -37.2 | Dark | Up | 53.2 | 155.5 | Up | 08:45:16 - 09:11:48 | 8854 |
| Lake Havasu City | 08:58:30 | -37.5 | Dark | Up | 53.6 | 155.6 | Up | 08:45:14 - 09:11:46 | 8828 |
| Parker | 08:58:30 | -37.8 | Dark | Up | 54.0 | 155.5 | Up | 08:45:14 - 09:11:46 | 8798 |
| Blythe | 08:58:29 | -38.4 | Dark | Up | 54.3 | 154.7 | Up | 08:45:13 - 09:11:45 | 8739 |
| Idyllwild | 08:58:37 | -39.0 | Dark | Up | 53.4 | 151.5 | Up | 08:45:21 - 09:11:53 | 8666 |
| CPSLO | 08:58:53 | -38.7 | Dark | Up | 50.5 | 146.8 | Up | 08:45:37 - 09:12:09 | 8657 |
| Calipatria | 08:58:33 | -39.1 | Dark | Up | 54.4 | 152.9 | Up | 08:45:17 - 09:11:49 | 8657 |
| Yuma | 08:58:28 | -39.2 | Dark | Up | 55.2 | 154.0 | Up | 08:45:12 - 09:11:44 | 8653 |
| Wildwood | 08:58:45 | -39.2 | Dark | Up | 52.4 | 148.9 | Up | 08:45:29 - 09:12:01 | 8625 |
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 505624, (2023/04/28 08:56UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 27.24 117 1Del Oph 16:14:20.7 -03:41:42 2.7 8.20 107 14 Oph 16:41:42.4 +01:10:53 6.0 0.57 111 PPM 163005 16:42:40.2 +00:31:34 8.9 0.15 112 PPM 163006 16:42:43.5 +00:36:51 11.3 0.12 111 505624 16:42:13.9 +00:37:47 15.8 111 Positions are for J2000
Event circumstances last updated at 2020/07/06 21:50:40 UT
Marc W. Buie, Southwest Research Institute