Event between (427507) 02DH5 and star GA0900:04771329 with event index number of 2433496
Geocentric closest approach at 2023/07/23 07:58:57 UTC
J2000 position of star is 16:45:47.4 +00:52:01
Equinox of date position of star is 16:46:58.6 +00:49:34
Stellar brightness G=16.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 70 degrees from the moon.
Moon is 26% illuminated.
Apparent brightness V=24.2
[RECON map]
Object is 24.4 AU from the Sun
and 23.8 AU from the Earth.
Apparent velocity is 16.0
km/sec on the sky relative to the star, or,
3.3 arcsec/hr.
The 1-sigma error in the time of the event is 534 seconds.
The 1-sigma cross-track error in the shadow position is
4246 km.
The sky-plane scale is
17274.0 km/arcsec.
The object has an absolute magnitude Hv=10.2
Diameter=57.5 km assuming a 5% albedo -- 3.4 sec chord
Diameter=23.5 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
Star training set for 427507, (2023/07/23 07:59UT) Object RA Dec mag sep mel Antares 16:30:51.3 -26:28:56 0.9 27.58 69 1Del Oph 16:15:35.0 -03:45:12 2.7 9.09 62 16 Oph 16:46:41.6 +00:58:43 6.0 0.17 69 PPM 163079 16:46:57.7 +00:46:42 10.6 0.05 70 427507 16:46:59.4 +00:49:32 16.3 70 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
1.7 sigma about the mid-time.
The median site spacing is 25.8 km
RECON observability=1.0 and success probability=12.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 07:53:57 | -19.2 | Dark | Down | 26.1 | 235.1 | Low | 07:38:57 - 08:08:57 | 2443 |
| Kelowna | 07:53:53 | -20.0 | Dark | Down | 26.1 | 236.3 | Low | 07:38:53 - 08:08:53 | 2350 |
| Peachland | 07:53:54 | -20.1 | Dark | Down | 26.3 | 236.1 | Low | 07:38:54 - 08:08:54 | 2346 |
| Sleaford | 07:53:27 | -17.2 | AT | Down | 17.6 | 247.6 | Really Low | 07:38:27 - 08:08:27 | 2330 |
| Summerland | 07:53:53 | -20.3 | Dark | Down | 26.3 | 236.2 | Low | 07:38:53 - 08:08:53 | 2330 |
| Penticton | 07:53:53 | -20.3 | Dark | Down | 26.3 | 236.4 | Low | 07:38:53 - 08:08:53 | 2321 |
| Victoria | 07:54:02 | -21.1 | Dark | Down | 29.0 | 233.2 | Low | 07:39:02 - 08:09:02 | 2310 |
| Oliver | 07:53:52 | -20.7 | Dark | Down | 26.5 | 236.5 | Low | 07:38:52 - 08:08:52 | 2288 |
| Anarchist Mountain Observatory | 07:53:51 | -20.9 | Dark | Down | 26.5 | 236.8 | Low | 07:38:51 - 08:08:51 | 2269 |
| Okanogan | 07:53:51 | -21.5 | Dark | Down | 27.0 | 236.8 | Low | 07:38:51 - 08:08:51 | 2212 |
| Brewster | 07:53:51 | -21.8 | Dark | Down | 27.2 | 236.7 | Low | 07:38:51 - 08:08:51 | 2191 |
| Manson/Chelan | 07:53:52 | -22.0 | Dark | Down | 27.6 | 236.5 | Low | 07:38:52 - 08:08:52 | 2179 |
| Wenatchee | 07:53:52 | -22.4 | Dark | Down | 27.9 | 236.5 | Low | 07:38:52 - 08:08:52 | 2138 |
| Ellensburg | 07:53:52 | -22.8 | Dark | Down | 28.3 | 236.5 | Low | 07:38:52 - 08:08:52 | 2104 |
| Yakima | 07:53:52 | -23.2 | Dark | Down | 28.5 | 236.7 | Low | 07:38:52 - 08:08:52 | 2065 |
| Toppenish/White Swan | 07:53:51 | -23.4 | Dark | Down | 28.5 | 236.9 | Low | 07:38:51 - 08:08:51 | 2041 |
| The Dalles | 07:53:52 | -24.2 | Dark | Down | 29.4 | 236.6 | Low | 07:38:52 - 08:08:52 | 1984 |
| PNWRO | 07:53:46 | -23.9 | Dark | Down | 27.9 | 238.5 | Low | 07:38:46 - 08:08:46 | 1973 |
| Maupin | 07:53:52 | -24.6 | Dark | Down | 29.6 | 236.9 | Low | 07:38:52 - 08:08:52 | 1942 |
| Sisters | 07:53:52 | -25.5 | Dark | Down | 30.4 | 236.8 | Up | 07:38:52 - 08:08:52 | 1869 |
| Bend | 07:53:52 | -25.7 | Dark | Down | 30.3 | 237.2 | Up | 07:38:52 - 08:08:52 | 1840 |
| Oregon Observatory | 07:53:51 | -25.9 | Dark | Down | 30.5 | 237.1 | Up | 07:38:51 - 08:08:51 | 1826 |
| Chiloquin | 07:53:52 | -27.2 | Dark | Down | 31.5 | 237.4 | Up | 07:38:52 - 08:08:52 | 1708 |
| Klamath Falls | 07:53:51 | -27.5 | Dark | Down | 31.6 | 237.7 | Up | 07:38:51 - 08:08:51 | 1672 |
| Cedarville | 07:53:46 | -28.3 | Dark | Down | 31.0 | 239.5 | Up | 07:38:46 - 08:08:46 | 1565 |
| Fall River/Burney | 07:53:49 | -28.7 | Dark | Down | 32.0 | 238.6 | Up | 07:38:49 - 08:08:49 | 1547 |
| Greenville | 07:53:47 | -29.6 | Dark | Down | 32.2 | 239.5 | Up | 07:38:47 - 08:08:47 | 1446 |
| Gimple | 07:53:47 | -29.6 | Dark | Down | 32.1 | 239.6 | Up | 07:38:47 - 08:08:47 | 1443 |
| Quincy | 07:53:47 | -29.8 | Dark | Down | 32.3 | 239.6 | Up | 07:38:47 - 08:08:47 | 1425 |
| Portola | 07:53:46 | -30.0 | Dark | Down | 32.0 | 240.1 | Up | 07:38:46 - 08:08:46 | 1401 |
| Reno | 07:53:43 | -30.3 | Dark | Down | 31.7 | 240.8 | Up | 07:38:43 - 08:08:43 | 1359 |
| Carson City | 07:53:43 | -30.6 | Dark | Down | 31.9 | 241.0 | Up | 07:38:43 - 08:08:43 | 1322 |
| Gardnerville | 07:53:43 | -30.9 | Dark | Down | 32.0 | 241.2 | Up | 07:38:43 - 08:08:43 | 1296 |
| Yerington | 07:53:41 | -30.9 | Dark | Down | 31.6 | 241.7 | Up | 07:38:41 - 08:08:41 | 1287 |
| Hawthorne | 07:53:39 | -31.3 | Dark | Down | 31.4 | 242.4 | Up | 07:38:39 - 08:08:39 | 1227 |
| Lee Vining | 07:53:40 | -31.9 | Dark | Down | 32.0 | 242.3 | Up | 07:38:40 - 08:08:40 | 1182 |
| Dunrhomin | 07:53:03 | -28.7 | Dark | Down | 21.3 | 252.0 | Low | 07:38:03 - 08:08:03 | 1131 |
| Nikitin | 07:53:03 | -28.9 | Dark | Down | 21.3 | 252.1 | Low | 07:38:03 - 08:08:03 | 1112 |
| CU-SBO | 07:53:03 | -29.0 | Dark | Down | 21.4 | 252.1 | Low | 07:38:03 - 08:08:03 | 1106 |
| Bishop | 07:53:38 | -32.5 | Dark | Down | 31.8 | 243.2 | Up | 07:38:38 - 08:08:38 | 1103 |
| Beatty | 07:53:32 | -33.0 | Dark | Down | 30.8 | 244.8 | Up | 07:38:32 - 08:08:32 | 1016 |
| Patrick | 07:53:22 | -34.4 | Dark | Down | 29.3 | 247.8 | Low | 07:38:22 - 08:08:22 | 794 |
| Laughlin/Bullhead City | 07:53:24 | -34.7 | Dark | Down | 29.9 | 247.4 | Low | 07:38:24 - 08:08:24 | 785 |
| Wildwood | 07:53:37 | -35.8 | Dark | Down | 33.4 | 244.9 | Up | 07:38:37 - 08:08:37 | 771 |
| Lake Havasu City | 07:53:23 | -35.4 | Dark | Down | 30.0 | 247.9 | Up | 07:38:23 - 08:08:23 | 709 |
| Idyllwild | 07:53:31 | -36.2 | Dark | Down | 32.1 | 246.6 | Up | 07:38:31 - 08:08:31 | 687 |
| Calipatria | 07:53:27 | -36.8 | Dark | Down | 31.4 | 247.8 | Up | 07:38:27 - 08:08:27 | 594 |
| George/Scottsdale | 07:53:16 | -36.0 | Dark | Down | 28.4 | 250.1 | Low | 07:38:16 - 08:08:16 | 571 |
| Yuma | 07:53:24 | -37.2 | Dark | Down | 30.9 | 248.7 | Up | 07:38:24 - 08:08:24 | 527 |
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 427507, (2023/07/23 07:59UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 27.58 69 1Del Oph 16:14:20.7 -03:41:43 2.7 9.09 62 16 Oph 16:45:29.7 +01:01:13 6.0 0.17 69 PPM 163079 16:45:45.6 +00:49:11 10.6 0.05 70 427507 16:45:47.4 +00:52:01 16.3 70 Positions are for J2000
Event circumstances last updated at 2023/04/19 02:42:08 UT
Marc W. Buie, Southwest Research Institute