Event between (38084) 99HB12 and star GA0800:06044899 with event index number of 2724553
Geocentric closest approach at 2029/03/20 12:40:05 UTC
J2000 position of star is 17:11:22.2 -09:41:00
Equinox of date position of star is 17:12:42.4 -09:42:41
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 155 degrees from the moon.
Moon is 24% illuminated.
Apparent brightness V=22.5
[RECON map]
Object is 33.3 AU from the Sun
and 33.1 AU from the Earth.
Apparent velocity is 6.7
km/sec on the sky relative to the star, or,
1.0 arcsec/hr.
The 1-sigma error in the time of the event is 190 seconds.
The 1-sigma cross-track error in the shadow position is
4569 km.
The sky-plane scale is
24017.5 km/arcsec.
The object has an absolute magnitude Hv=7.1
Diameter=231.2 km assuming a 5% albedo -- 34.9 sec chord
Diameter=94.4 km assuming a 30% albedo -- 14.2 sec chord
Dynamical classification is 5:2EEE
Star training set for 38084, (2029/03/20 12:41UT) Object RA Dec mag sep mel Antares 16:31:12.2 -26:29:39 0.9 19.47 169 35Eta Oph 17:12:03.3 -15:45:32 2.6 6.05 158 PPM 232685 17:11:25.0 -10:33:31 5.6 0.93 156 PPM 200424 17:13:07.9 -09:57:40 8.3 0.25 155 PPM 200418 17:12:51.5 -09:37:18 9.5 0.10 155 38084 17:12:58.5 -09:43:01 16.7 154 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
4.7 sigma about the mid-time.
The median site spacing is 0.0 km
RECON observability=0.1 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) |
| Victoria | 12:53:10 | -14.3 | AT | Down | 31.2 | 168.9 | Up | 12:38:10 - 13:08:10 | -114 |
| Chiloquin | 12:52:15 | -15.0 | AT | Down | 37.2 | 169.7 | Up | 12:37:15 - 13:07:15 | -183 |
| Klamath Falls | 12:52:11 | -15.0 | AT | Down | 37.5 | 169.7 | Up | 12:37:11 - 13:07:11 | -188 |
| Fall River/Burney | 12:52:00 | -15.1 | AT | Down | 38.8 | 170.0 | Up | 12:37:00 - 13:07:00 | -212 |
| Sisters | 12:52:32 | -14.3 | AT | Down | 35.5 | 170.4 | Up | 12:37:32 - 13:07:32 | -218 |
| Oregon Observatory | 12:52:29 | -14.3 | AT | Down | 36.0 | 170.5 | Up | 12:37:29 - 13:07:29 | -225 |
| Bend | 12:52:31 | -14.2 | AT | Down | 35.8 | 170.6 | Up | 12:37:31 - 13:07:31 | -237 |
| Quincy | 12:51:47 | -15.0 | AT | Down | 39.9 | 170.3 | Up | 12:36:47 - 13:06:47 | -244 |
| Greenville | 12:51:50 | -15.0 | AT | Down | 39.7 | 170.4 | Up | 12:36:50 - 13:06:50 | -244 |
| Gimple | 12:51:49 | -14.9 | AT | Down | 39.7 | 170.5 | Up | 12:36:49 - 13:06:49 | -251 |
| The Dalles | 12:52:46 | -13.7 | AT | Down | 34.3 | 171.0 | Up | 12:37:46 - 13:07:46 | -257 |
| Maupin | 12:52:42 | -13.7 | AT | Down | 34.7 | 171.1 | Up | 12:37:42 - 13:07:42 | -262 |
| Portola | 12:51:47 | -14.7 | AT | Down | 40.1 | 170.9 | Up | 12:36:47 - 13:06:47 | -283 |
| Yakima | 12:52:56 | -13.0 | AT | Down | 33.4 | 171.9 | Up | 12:37:56 - 13:07:56 | -310 |
| Ellensburg | 12:52:58 | -12.9 | AT | Down | 33.0 | 172.0 | Up | 12:37:58 - 13:07:58 | -314 |
| Cedarville | 12:52:06 | -14.0 | AT | Down | 38.4 | 171.6 | Up | 12:37:06 - 13:07:06 | -315 |
| Toppenish/White Swan | 12:52:54 | -12.9 | AT | Down | 33.6 | 172.1 | Up | 12:37:54 - 13:07:54 | -322 |
| Wenatchee | 12:53:04 | -12.6 | AT | Down | 32.6 | 172.3 | Up | 12:38:04 - 13:08:04 | -333 |
| Reno | 12:51:45 | -14.3 | AT | Down | 40.4 | 171.7 | Up | 12:36:45 - 13:06:45 | -337 |
| Carson City | 12:51:40 | -14.4 | AT | Down | 40.8 | 171.7 | Up | 12:36:40 - 13:06:40 | -338 |
| Gardnerville | 12:51:37 | -14.4 | AT | Down | 41.0 | 171.7 | Up | 12:36:37 - 13:06:37 | -341 |
| Manson/Chelan | 12:53:08 | -12.4 | AT | Down | 32.2 | 172.6 | Up | 12:38:08 - 13:08:08 | -348 |
| Kamloops | 12:53:33 | -11.7 | NT | Down | 29.4 | 172.7 | Low | 12:38:33 - 13:08:33 | -349 |
| Brewster | 12:53:09 | -12.1 | AT | Down | 32.0 | 173.0 | Up | 12:38:09 - 13:08:09 | -376 |
| Peachland | 12:53:25 | -11.6 | NT | Down | 30.3 | 173.2 | Up | 12:38:25 - 13:08:25 | -386 |
| Yerington | 12:51:40 | -13.9 | AT | Down | 41.0 | 172.5 | Up | 12:36:40 - 13:06:40 | -392 |
| Summerland | 12:53:24 | -11.6 | NT | Down | 30.5 | 173.3 | Up | 12:38:24 - 13:08:24 | -392 |
| Okanogan | 12:53:13 | -11.9 | NT | Down | 31.7 | 173.3 | Up | 12:38:13 - 13:08:13 | -392 |
| Lee Vining | 12:51:29 | -14.1 | AT | Down | 42.1 | 172.4 | Up | 12:36:29 - 13:06:29 | -393 |
| Oliver | 12:53:21 | -11.6 | NT | Down | 30.9 | 173.4 | Up | 12:38:21 - 13:08:21 | -398 |
| Penticton | 12:53:22 | -11.5 | NT | Down | 30.6 | 173.5 | Up | 12:38:22 - 13:08:22 | -400 |
| Kelowna | 12:53:27 | -11.4 | NT | Down | 30.3 | 173.6 | Up | 12:38:27 - 13:08:27 | -408 |
| Anarchist Mountain Observatory | 12:53:19 | -11.6 | NT | Down | 31.1 | 173.6 | Up | 12:38:19 - 13:08:19 | -411 |
| Wildwood | 12:50:43 | -14.6 | AT | Down | 45.9 | 172.3 | Up | 12:35:43 - 13:05:43 | -432 |
| PNWRO | 12:52:52 | -12.0 | AT | Down | 34.1 | 173.8 | Up | 12:37:52 - 13:07:52 | -435 |
| Hawthorne | 12:51:33 | -13.6 | AT | Down | 41.5 | 173.1 | Up | 12:36:33 - 13:06:33 | -437 |
| Bishop | 12:51:22 | -13.7 | AT | Down | 42.7 | 173.2 | Up | 12:36:22 - 13:06:22 | -455 |
| Beatty | 12:51:18 | -12.5 | AT | Down | 43.3 | 175.3 | Up | 12:36:18 - 13:06:18 | -599 |
| Idyllwild | 12:50:41 | -13.1 | AT | Down | 46.5 | 174.9 | Up | 12:35:41 - 13:05:41 | -605 |
| Calipatria | 12:50:34 | -12.2 | AT | Down | 47.1 | 176.5 | Up | 12:35:34 - 13:05:34 | -716 |
| Laughlin/Bullhead City | 12:51:02 | -11.1 | NT | Down | 45.1 | 178.2 | Up | 12:36:02 - 13:06:02 | -799 |
| Yuma | 12:50:28 | -11.6 | NT | Down | 47.6 | 177.8 | Up | 12:35:28 - 13:05:28 | -801 |
| Lake Havasu City | 12:50:53 | -11.0 | NT | Down | 45.8 | 178.4 | Up | 12:35:53 - 13:05:53 | -824 |
| Patrick | 12:51:02 | -10.5 | NT | Down | 44.9 | 179.2 | Up | 12:36:02 - 13:06:02 | -862 |
| George/Scottsdale | 12:50:44 | -9.1 | NT | Down | 46.6 | 181.9 | Up | 12:35:44 - 13:05:44 | -1055 |
| Sleaford | 12:53:52 | -2.6 | CT | Down | 27.8 | 189.0 | Low | 12:38:52 - 13:08:52 | -1342 |
| CU-SBO | 12:52:05 | -3.1 | CT | Down | 39.7 | 190.6 | Up | 12:37:05 - 13:07:05 | -1576 |
| Dunrhomin | 12:52:03 | -3.0 | CT | Down | 39.5 | 190.7 | Up | 12:37:03 - 13:07:03 | -1581 |
| Nikitin | 12:52:01 | -3.0 | CT | Down | 39.7 | 190.7 | Up | 12:37:01 - 13:07:01 | -1582 |
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 38084, (2029/03/20 12:41UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 19.47 169 35Eta Oph 17:10:22.7 -15:43:29 2.6 6.05 158 PPM 232685 17:09:48.0 -10:31:26 5.6 0.93 156 PPM 200424 17:11:31.4 -09:55:39 8.3 0.25 155 PPM 200418 17:11:15.2 -09:35:16 9.5 0.10 155 38084 17:11:22.2 -09:41:00 16.7 155 Positions are for J2000
Event circumstances last updated at 2024/04/24 02:58:34 UT
Marc W. Buie, Southwest Research Institute