Event between (24835) 95SM55 and star GA1320:01910033 with event index number of 2249408
Geocentric closest approach at 2028/10/24 02:44:03 UTC
J2000 position of star is 04:28:17.3 +43:54:39
Equinox of date position of star is 04:29:59.7 +43:57:45
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 138 degrees from the moon.
Moon is 39% illuminated.
Apparent brightness V=20.4
[RECON map]
Object is 37.6 AU from the Sun
and 36.9 AU from the Earth.
Apparent velocity is 19.9
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 214 seconds.
The 1-sigma cross-track error in the shadow position is
2730 km.
The sky-plane scale is
26762.7 km/arcsec.
The object has an absolute magnitude Hv=4.6
Diameter=704.7 km assuming a 5% albedo -- 35.8 sec chord
Diameter=287.7 km assuming a 30% albedo -- 14.6 sec chord
Dynamical classification is SCATEXTD
Star training set for 24835, (2028/10/24 02:38UT) Object RA Dec mag sep mel Aldebaran 04:37:34.6 +16:33:54 0.8 27.45 141 3Iot Aur 04:58:52.5 +33:12:32 2.7 12.11 146 PPM 046963 04:20:08.3 +42:12:33 6.1 2.56 137 PPM 047093 04:29:56.8 +43:23:35 7.4 0.58 138 PPM 047111 04:31:25.8 +44:10:56 9.6 0.29 138 PPM 047108 04:31:11.2 +43:56:09 10.9 0.16 139 24835 04:30:20.1 +43:58:21 16.8 139 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
4.2 sigma about the mid-time.
The median site spacing is 18.2 km
RECON observability=0.2 and success probability=15.6%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Victoria | 02:48:15 | -17.2 | AT | Up | 18.4 | 43.3 | Really Low | 02:33:15 - 03:03:15 | 2519 |
| Kamloops | 02:48:11 | -19.1 | Dark | Up | 21.3 | 45.6 | Low | 02:33:11 - 03:03:11 | 2465 |
| Peachland | 02:48:14 | -19.5 | Dark | Up | 20.9 | 45.8 | Low | 02:33:14 - 03:03:14 | 2387 |
| Kelowna | 02:48:14 | -19.7 | Dark | Up | 21.1 | 46.0 | Low | 02:33:14 - 03:03:14 | 2377 |
| Summerland | 02:48:15 | -19.6 | Dark | Up | 20.9 | 45.8 | Low | 02:33:15 - 03:03:15 | 2374 |
| Penticton | 02:48:15 | -19.7 | Dark | Up | 20.9 | 45.8 | Low | 02:33:15 - 03:03:15 | 2365 |
| Oliver | 02:48:16 | -19.7 | Dark | Up | 20.6 | 45.7 | Low | 02:33:16 - 03:03:16 | 2347 |
| Anarchist Mountain Observatory | 02:48:17 | -19.9 | Dark | Up | 20.6 | 45.8 | Low | 02:33:17 - 03:03:17 | 2328 |
| Manson/Chelan | 02:48:20 | -19.4 | Dark | Up | 19.4 | 45.1 | Really Low | 02:33:20 - 03:03:20 | 2311 |
| Okanogan | 02:48:19 | -19.8 | Dark | Up | 20.0 | 45.5 | Low | 02:33:19 - 03:03:19 | 2305 |
| Brewster | 02:48:20 | -19.7 | Dark | Up | 19.8 | 45.3 | Really Low | 02:33:20 - 03:03:20 | 2302 |
| Wenatchee | 02:48:21 | -19.3 | Dark | Up | 19.0 | 44.8 | Really Low | 02:33:21 - 03:03:21 | 2295 |
| Ellensburg | 02:48:22 | -19.2 | Dark | Up | 18.6 | 44.6 | Really Low | 02:33:22 - 03:03:22 | 2285 |
| Yakima | 02:48:24 | -19.2 | Dark | Up | 18.3 | 44.5 | Really Low | 02:33:24 - 03:03:24 | 2264 |
| The Dalles | 02:48:27 | -18.8 | Dark | Up | 17.3 | 44.0 | Really Low | 02:33:27 - 03:03:27 | 2246 |
| Toppenish/White Swan | 02:48:24 | -19.4 | Dark | Up | 18.3 | 44.6 | Really Low | 02:33:24 - 03:03:24 | 2243 |
| Maupin | 02:48:28 | -18.9 | Dark | Up | 17.1 | 43.9 | Really Low | 02:33:28 - 03:03:28 | 2217 |
| Sisters | 02:48:30 | -18.6 | Dark | Up | 16.2 | 43.5 | Really Low | 02:33:30 - 03:03:30 | 2198 |
| Bend | 02:48:31 | -18.8 | Dark | Up | 16.1 | 43.6 | Really Low | 02:33:31 - 03:03:31 | 2169 |
| Oregon Observatory | 02:48:31 | -18.7 | Dark | Up | 16.0 | 43.5 | Really Low | 02:33:31 - 03:03:31 | 2168 |
| PNWRO | 02:48:27 | -20.4 | Dark | Up | 18.7 | 45.3 | Really Low | 02:33:27 - 03:03:27 | 2139 |
| Chiloquin | 02:48:35 | -18.5 | Dark | Up | 14.8 | 43.0 | Really Low | 02:33:35 - 03:03:35 | 2119 |
| Klamath Falls | 02:48:36 | -18.5 | Dark | Up | 14.6 | 43.0 | Really Low | 02:33:36 - 03:03:36 | 2094 |
| Fall River/Burney | 02:48:40 | -18.8 | Dark | Up | 13.9 | 43.0 | Really Low | 02:33:40 - 03:03:40 | 2004 |
| Cedarville | 02:48:40 | -19.8 | Dark | Up | 14.9 | 43.7 | Really Low | 02:33:40 - 03:03:40 | 1957 |
| Greenville | 02:48:42 | -19.2 | Dark | Up | 13.5 | 43.1 | Really Low | 02:33:42 - 03:03:42 | 1923 |
| Gimple | 02:48:42 | -19.3 | Dark | Up | 13.5 | 43.1 | Really Low | 02:33:42 - 03:03:42 | 1918 |
| Quincy | 02:48:43 | -19.2 | Dark | Up | 13.4 | 43.0 | Really Low | 02:33:43 - 03:03:43 | 1911 |
| Portola | 02:48:43 | -19.6 | Dark | Up | 13.5 | 43.3 | Really Low | 02:33:43 - 03:03:43 | 1874 |
| Sleaford | 02:48:09 | -27.6 | Dark | Up | 29.1 | 54.7 | Low | 02:33:09 - 03:03:09 | 1825 |
| Reno | 02:48:45 | -20.1 | Dark | Up | 13.7 | 43.6 | Really Low | 02:33:45 - 03:03:45 | 1817 |
| Carson City | 02:48:46 | -20.1 | Dark | Up | 13.4 | 43.5 | Really Low | 02:33:46 - 03:03:46 | 1794 |
| Gardnerville | 02:48:46 | -20.1 | Dark | Up | 13.3 | 43.5 | Really Low | 02:33:46 - 03:03:46 | 1776 |
| Yerington | 02:48:46 | -20.6 | Dark | Up | 13.6 | 43.8 | Really Low | 02:33:46 - 03:03:46 | 1742 |
| Hawthorne | 02:48:48 | -21.0 | Dark | Up | 13.6 | 44.0 | Really Low | 02:33:48 - 03:03:48 | 1680 |
| Lee Vining | 02:48:49 | -20.7 | Dark | Up | 12.9 | 43.7 | Really Low | 02:33:49 - 03:03:49 | 1676 |
| Bishop | 02:48:51 | -21.3 | Dark | Up | 12.9 | 43.9 | Really Low | 02:33:51 - 03:03:51 | 1591 |
| Beatty | 02:48:53 | -22.6 | Dark | Up | 13.5 | 44.6 | Really Low | 02:33:53 - 03:03:53 | 1456 |
| Wildwood | 02:48:58 | -21.1 | Dark | Up | 10.4 | 43.4 | Really Low | 02:33:58 - 03:03:58 | 1393 |
| Idyllwild | 02:48:59 | -22.7 | Dark | Up | 11.2 | 44.2 | Really Low | 02:33:59 - 03:03:59 | 1242 |
| Laughlin/Bullhead City | 02:48:58 | -24.4 | Dark | Up | 13.5 | 45.3 | Really Low | 02:33:58 - 03:03:58 | 1197 |
| Patrick | 02:48:57 | -25.0 | Dark | Up | 14.1 | 45.7 | Really Low | 02:33:57 - 03:03:57 | 1168 |
| Lake Havasu City | 02:48:59 | -24.7 | Dark | Up | 13.2 | 45.3 | Really Low | 02:33:59 - 03:03:59 | 1134 |
| Calipatria | 02:49:01 | -23.7 | Dark | Up | 11.5 | 44.6 | Really Low | 02:34:01 - 03:04:01 | 1120 |
| Yuma | 02:49:03 | -24.5 | Dark | Up | 11.7 | 44.9 | Really Low | 02:34:03 - 03:04:03 | 1030 |
| Dunrhomin | 02:48:45 | -31.2 | Dark | Up | 22.4 | 50.7 | Low | 02:33:45 - 03:03:45 | 968 |
| CU-SBO | 02:48:47 | -31.2 | Dark | Up | 22.2 | 50.5 | Low | 02:33:47 - 03:03:47 | 956 |
| Nikitin | 02:48:46 | -31.2 | Dark | Up | 22.3 | 50.6 | Low | 02:33:46 - 03:03:46 | 956 |
| George/Scottsdale | 02:49:01 | -26.8 | Dark | Up | 14.1 | 46.2 | Really Low | 02:34:01 - 03:04:01 | 916 |
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 24835, (2028/10/24 02:38UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 27.45 141 3Iot Aur 04:56:59.6 +33:09:58 2.7 12.11 146 PPM 046963 04:18:08.2 +42:08:27 6.1 2.56 137 PPM 047093 04:27:54.7 +43:19:52 7.4 0.58 138 PPM 047111 04:29:22.6 +44:07:16 9.6 0.29 138 PPM 047108 04:29:08.3 +43:52:28 10.9 0.16 139 24835 04:28:17.3 +43:54:39 16.8 138 Positions are for J2000
Event circumstances last updated at 2024/01/09 22:27:49 UT
Marc W. Buie, Southwest Research Institute