Event between (535994) 15BH519 and star GA0700:05202307 with event index number of 2257578
Geocentric closest approach at 2025/04/23 09:01:00 UTC
J2000 position of star is 13:19:28.0 -18:50:41
Equinox of date position of star is 13:20:47.1 -18:58:22
Stellar brightness G=15.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 126 degrees from the moon.
Moon is 26% illuminated.
Apparent brightness V=22.1
[RECON map]
Object is 38.5 AU from the Sun
and 37.5 AU from the Earth.
Apparent velocity is 24.7
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 81 seconds.
The 1-sigma cross-track error in the shadow position is
2144 km.
The sky-plane scale is
27214.3 km/arcsec.
The object has an absolute magnitude Hv=6.3
Diameter=331.1 km assuming a 5% albedo -- 13.4 sec chord
Diameter=135.2 km assuming a 30% albedo -- 5.5 sec chord
Dynamical classification is SCATNEAR
Star training set for 535994, (2025/04/23 09:02UT) Object RA Dec mag sep mel Spica 13:26:31.8 -11:17:33 1.0 7.81 128 61 Vir 13:19:44.3 -18:27:01 4.7 0.59 126 PPM 227168 13:22:51.7 -19:37:16 6.8 0.80 125 PPM 227131 13:21:16.6 -18:56:11 9.2 0.11 126 535994 13:20:49.8 -18:58:38 15.2 125 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 14.3 km
RECON observability=0.7 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) |
| Sleaford | 09:00:33 | -20.4 | Dark | Down | 10.6 | 219.2 | Really Low | 08:53:19 - 09:07:48 | 8968 |
| Kamloops | 09:01:04 | -25.3 | Dark | Down | 16.6 | 206.3 | Really Low | 08:53:49 - 09:08:18 | 8844 |
| Kelowna | 09:01:00 | -25.9 | Dark | Down | 17.1 | 207.3 | Really Low | 08:53:46 - 09:08:15 | 8830 |
| Peachland | 09:01:01 | -26.0 | Dark | Down | 17.3 | 207.0 | Really Low | 08:53:46 - 09:08:15 | 8824 |
| Summerland | 09:01:00 | -26.2 | Dark | Down | 17.4 | 207.1 | Really Low | 08:53:45 - 09:08:14 | 8820 |
| Penticton | 09:01:00 | -26.2 | Dark | Down | 17.4 | 207.2 | Really Low | 08:53:46 - 09:08:15 | 8819 |
| Oliver | 09:01:00 | -26.5 | Dark | Down | 17.7 | 207.3 | Really Low | 08:53:45 - 09:08:14 | 8809 |
| Anarchist Mountain Observatory | 09:00:58 | -26.7 | Dark | Down | 17.8 | 207.5 | Really Low | 08:53:43 - 09:08:12 | 8806 |
| Okanogan | 09:00:58 | -27.3 | Dark | Down | 18.5 | 207.4 | Really Low | 08:53:43 - 09:08:12 | 8783 |
| Brewster | 09:00:58 | -27.6 | Dark | Down | 18.8 | 207.2 | Really Low | 08:53:43 - 09:08:12 | 8772 |
| Manson/Chelan | 09:00:58 | -27.9 | Dark | Down | 19.1 | 206.9 | Really Low | 08:53:43 - 09:08:12 | 8761 |
| Victoria | 09:01:08 | -27.8 | Dark | Down | 19.4 | 203.7 | Really Low | 08:53:54 - 09:08:23 | 8746 |
| Wenatchee | 09:00:57 | -28.4 | Dark | Down | 19.5 | 206.8 | Really Low | 08:53:42 - 09:08:11 | 8744 |
| Ellensburg | 09:00:56 | -28.8 | Dark | Down | 20.0 | 206.7 | Really Low | 08:53:42 - 09:08:11 | 8728 |
| Yakima | 09:00:55 | -29.2 | Dark | Down | 20.3 | 206.7 | Low | 08:53:41 - 09:08:10 | 8713 |
| PNWRO | 09:00:51 | -29.4 | Dark | Down | 20.3 | 208.4 | Low | 08:53:36 - 09:08:05 | 8710 |
| Toppenish/White Swan | 09:00:56 | -29.4 | Dark | Down | 20.5 | 206.9 | Low | 08:53:42 - 09:08:11 | 8707 |
| The Dalles | 09:00:57 | -30.3 | Dark | Down | 21.4 | 206.3 | Low | 08:53:42 - 09:08:11 | 8670 |
| Maupin | 09:00:55 | -30.7 | Dark | Down | 21.8 | 206.5 | Low | 08:53:40 - 09:08:09 | 8656 |
| Sisters | 09:00:53 | -31.6 | Dark | Down | 22.7 | 206.2 | Low | 08:53:39 - 09:08:08 | 8616 |
| Bend | 09:00:55 | -31.8 | Dark | Down | 22.8 | 206.5 | Low | 08:53:41 - 09:08:10 | 8610 |
| Oregon Observatory | 09:00:55 | -32.0 | Dark | Down | 23.0 | 206.4 | Low | 08:53:40 - 09:08:09 | 8602 |
| Dunrhomin | 09:00:00 | -30.1 | Dark | Down | 19.3 | 221.8 | Really Low | 08:52:46 - 09:07:15 | 8566 |
| Nikitin | 08:59:59 | -30.3 | Dark | Down | 19.5 | 221.8 | Really Low | 08:52:45 - 09:07:14 | 8558 |
| CU-SBO | 09:00:00 | -30.3 | Dark | Down | 19.6 | 221.8 | Really Low | 08:52:46 - 09:07:15 | 8555 |
| Chiloquin | 09:00:52 | -33.3 | Dark | Down | 24.4 | 206.2 | Low | 08:53:38 - 09:08:07 | 8542 |
| Klamath Falls | 09:00:51 | -33.6 | Dark | Down | 24.6 | 206.3 | Low | 08:53:36 - 09:08:05 | 8528 |
| Cedarville | 09:00:46 | -34.0 | Dark | Down | 24.7 | 208.0 | Low | 08:53:32 - 09:08:01 | 8517 |
| Fall River/Burney | 09:00:47 | -34.7 | Dark | Down | 25.6 | 207.0 | Low | 08:53:33 - 09:08:02 | 8480 |
| Gimple | 09:00:44 | -35.4 | Dark | Down | 26.2 | 207.7 | Low | 08:53:30 - 09:07:59 | 8445 |
| Greenville | 09:00:45 | -35.5 | Dark | Down | 26.2 | 207.6 | Low | 08:53:31 - 09:08:00 | 8444 |
| Portola | 09:00:43 | -35.7 | Dark | Down | 26.3 | 208.1 | Low | 08:53:28 - 09:07:57 | 8435 |
| Quincy | 09:00:44 | -35.7 | Dark | Down | 26.4 | 207.6 | Low | 08:53:30 - 09:07:59 | 8435 |
| Reno | 09:00:41 | -35.8 | Dark | Down | 26.3 | 208.8 | Low | 08:53:27 - 09:07:56 | 8430 |
| Carson City | 09:00:40 | -36.1 | Dark | Down | 26.7 | 208.9 | Low | 08:53:25 - 09:07:54 | 8413 |
| Yerington | 09:00:38 | -36.1 | Dark | Down | 26.6 | 209.6 | Low | 08:53:23 - 09:07:52 | 8411 |
| Gardnerville | 09:00:39 | -36.3 | Dark | Down | 26.8 | 209.0 | Low | 08:53:24 - 09:07:53 | 8402 |
| Hawthorne | 09:00:35 | -36.4 | Dark | Down | 26.8 | 210.2 | Low | 08:53:20 - 09:07:49 | 8394 |
| Lee Vining | 09:00:35 | -37.1 | Dark | Down | 27.5 | 209.9 | Low | 08:53:21 - 09:07:50 | 8361 |
| Bishop | 09:00:32 | -37.4 | Dark | Down | 27.7 | 210.7 | Low | 08:53:17 - 09:07:46 | 8338 |
| Beatty | 09:00:25 | -37.4 | Dark | Down | 27.4 | 212.4 | Low | 08:53:11 - 09:07:40 | 8332 |
| Patrick | 09:00:14 | -37.7 | Dark | Down | 27.4 | 215.5 | Low | 08:52:59 - 09:07:28 | 8280 |
| Laughlin/Bullhead City | 09:00:16 | -38.2 | Dark | Down | 27.9 | 214.9 | Low | 08:53:01 - 09:07:30 | 8260 |
| Lake Havasu City | 09:00:12 | -38.7 | Dark | Down | 28.3 | 215.3 | Low | 08:52:58 - 09:07:27 | 8225 |
| George/Scottsdale | 09:00:04 | -38.5 | Dark | Down | 27.8 | 217.8 | Low | 08:52:49 - 09:07:18 | 8202 |
| Idyllwild | 09:00:20 | -40.3 | Dark | Down | 30.1 | 213.3 | Up | 08:53:05 - 09:07:34 | 8161 |
| Wildwood | 09:00:26 | -40.5 | Dark | Down | 30.6 | 211.4 | Up | 08:53:11 - 09:07:40 | 8159 |
| Calipatria | 09:00:15 | -40.4 | Dark | Down | 30.0 | 214.6 | Up | 08:53:00 - 09:07:29 | 8136 |
| Yuma | 09:00:10 | -40.5 | Dark | Down | 30.0 | 215.6 | Low | 08:52:56 - 09:07:25 | 8120 |
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 535994, (2025/04/23 09:02UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 7.81 128 61 Vir 13:18:22.7 -18:19:03 4.7 0.59 126 PPM 227168 13:21:29.7 -19:29:21 6.8 0.80 125 PPM 227131 13:19:54.8 -18:48:15 9.2 0.11 126 535994 13:19:28.0 -18:50:41 15.2 126 Positions are for J2000
Event circumstances last updated at 2024/06/13 03:45:31 UT
Marc W. Buie, Southwest Research Institute