Event between (418993) 09MS9 and star GA0620:00397501 with event index number of 2368746
Geocentric closest approach at 2028/10/31 10:11:00 UTC
J2000 position of star is 04:53:26.7 -26:07:56
Equinox of date position of star is 04:54:25.2 -26:05:39
Stellar brightness G=15.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 69 degrees from the moon.
Moon is 96% illuminated.
Apparent brightness V=24.3
[RECON map]
Object is 27.9 AU from the Sun
and 27.3 AU from the Earth.
Apparent velocity is 27.8
km/sec on the sky relative to the star, or,
5.1 arcsec/hr.
The 1-sigma error in the time of the event is 66 seconds.
The 1-sigma cross-track error in the shadow position is
1963 km.
The sky-plane scale is
19816.0 km/arcsec.
The object has an absolute magnitude Hv=9.7
Diameter=67.9 km assuming a 5% albedo -- 2.4 sec chord
Diameter=27.7 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is CENTAURS
Star training set for 418993, (2028/10/31 10:11UT) Object RA Dec mag sep mel Rigel 05:15:55.5 -08:10:14 0.1 18.62 68 Nihal 05:29:28.9 -20:44:18 2.8 9.62 75 PPM 248347 05:03:20.2 -26:14:09 5.0 1.96 71 PPM 248155 04:54:48.0 -26:02:10 8.1 0.06 69 418993 04:54:37.2 -26:05:12 15.5 69 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 31.5 km
RECON observability=0.6 and success probability=7.2%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Victoria | 10:08:45 | -46.4 | Dark | Up | 15.2 | 176.0 | Really Low | 10:02:45 - 10:14:45 | 3913 |
| Kamloops | 10:08:38 | -43.6 | Dark | Up | 13.2 | 178.8 | Really Low | 10:02:38 - 10:14:38 | 3812 |
| Peachland | 10:08:37 | -43.8 | Dark | Up | 14.1 | 179.3 | Really Low | 10:02:37 - 10:14:37 | 3767 |
| Summerland | 10:08:37 | -43.9 | Dark | Up | 14.3 | 179.4 | Really Low | 10:02:37 - 10:14:37 | 3759 |
| Kelowna | 10:08:36 | -43.6 | Dark | Up | 14.0 | 179.6 | Really Low | 10:02:36 - 10:14:36 | 3755 |
| Penticton | 10:08:37 | -43.8 | Dark | Up | 14.3 | 179.5 | Really Low | 10:02:37 - 10:14:37 | 3753 |
| Manson/Chelan | 10:08:39 | -45.1 | Dark | Up | 16.0 | 179.0 | Really Low | 10:02:39 - 10:14:39 | 3747 |
| Ellensburg | 10:08:41 | -45.9 | Dark | Up | 16.9 | 178.6 | Really Low | 10:02:41 - 10:14:41 | 3746 |
| Oliver | 10:08:36 | -44.1 | Dark | Up | 14.7 | 179.5 | Really Low | 10:02:36 - 10:14:36 | 3746 |
| Wenatchee | 10:08:40 | -45.5 | Dark | Up | 16.4 | 178.8 | Really Low | 10:02:40 - 10:14:40 | 3744 |
| The Dalles | 10:08:43 | -47.0 | Dark | Up | 18.2 | 178.0 | Really Low | 10:02:43 - 10:14:43 | 3744 |
| Yakima | 10:08:40 | -46.1 | Dark | Up | 17.3 | 178.6 | Really Low | 10:02:40 - 10:14:40 | 3737 |
| Brewster | 10:08:38 | -44.8 | Dark | Up | 15.8 | 179.3 | Really Low | 10:02:38 - 10:14:38 | 3733 |
| Anarchist Mountain Observatory | 10:08:37 | -44.0 | Dark | Up | 14.9 | 179.7 | Really Low | 10:02:37 - 10:14:37 | 3733 |
| Sisters | 10:08:46 | -48.0 | Dark | Up | 19.5 | 177.6 | Really Low | 10:02:46 - 10:14:46 | 3732 |
| Okanogan | 10:08:37 | -44.5 | Dark | Up | 15.5 | 179.5 | Really Low | 10:02:37 - 10:14:37 | 3729 |
| Maupin | 10:08:43 | -47.2 | Dark | Up | 18.7 | 178.1 | Really Low | 10:02:43 - 10:14:43 | 3729 |
| Toppenish/White Swan | 10:08:41 | -46.1 | Dark | Up | 17.5 | 178.7 | Really Low | 10:02:41 - 10:14:41 | 3724 |
| Oregon Observatory | 10:08:46 | -48.1 | Dark | Up | 19.9 | 177.7 | Really Low | 10:02:46 - 10:14:46 | 3715 |
| Bend | 10:08:45 | -48.0 | Dark | Up | 19.8 | 177.8 | Really Low | 10:02:45 - 10:14:45 | 3712 |
| Chiloquin | 10:08:48 | -49.1 | Dark | Up | 21.3 | 177.3 | Low | 10:02:48 - 10:14:48 | 3700 |
| Klamath Falls | 10:08:47 | -49.3 | Dark | Up | 21.6 | 177.4 | Low | 10:02:47 - 10:14:47 | 3686 |
| PNWRO | 10:08:38 | -45.5 | Dark | Up | 17.9 | 180.1 | Really Low | 10:02:38 - 10:14:38 | 3639 |
| Fall River/Burney | 10:08:49 | -49.6 | Dark | Up | 22.8 | 177.7 | Low | 10:02:49 - 10:14:49 | 3631 |
| Cedarville | 10:08:45 | -48.6 | Dark | Up | 22.3 | 178.9 | Low | 10:02:45 - 10:14:45 | 3580 |
| Greenville | 10:08:48 | -49.8 | Dark | Up | 23.7 | 178.2 | Low | 10:02:48 - 10:14:48 | 3579 |
| Gimple | 10:08:48 | -49.7 | Dark | Up | 23.7 | 178.2 | Low | 10:02:48 - 10:14:48 | 3574 |
| Quincy | 10:08:48 | -49.9 | Dark | Up | 23.9 | 178.2 | Low | 10:02:48 - 10:14:48 | 3572 |
| Portola | 10:08:47 | -49.6 | Dark | Up | 24.0 | 178.6 | Low | 10:02:47 - 10:14:47 | 3542 |
| Reno | 10:08:47 | -49.3 | Dark | Up | 24.3 | 179.3 | Low | 10:02:47 - 10:14:47 | 3497 |
| Carson City | 10:08:47 | -49.5 | Dark | Up | 24.7 | 179.3 | Low | 10:02:47 - 10:14:47 | 3483 |
| Gardnerville | 10:08:47 | -49.6 | Dark | Up | 24.9 | 179.3 | Low | 10:02:47 - 10:14:47 | 3472 |
| Yerington | 10:08:45 | -49.1 | Dark | Up | 24.9 | 179.9 | Low | 10:02:45 - 10:14:45 | 3441 |
| Lee Vining | 10:08:47 | -49.6 | Dark | Up | 25.9 | 179.9 | Low | 10:02:47 - 10:14:47 | 3402 |
| Hawthorne | 10:08:44 | -49.0 | Dark | Up | 25.3 | 180.4 | Low | 10:02:44 - 10:14:44 | 3394 |
| Bishop | 10:08:46 | -49.3 | Dark | Up | 26.5 | 180.7 | Low | 10:02:46 - 10:14:46 | 3337 |
| Beatty | 10:08:42 | -48.3 | Dark | Up | 26.9 | 182.3 | Low | 10:02:42 - 10:14:42 | 3223 |
| Wildwood | 10:08:50 | -50.7 | Dark | Up | 29.8 | 180.5 | Low | 10:02:50 - 10:14:50 | 3219 |
| Sleaford | 10:08:11 | -35.2 | Dark | Up | 11.0 | 191.9 | Really Low | 10:02:11 - 10:14:11 | 3161 |
| Idyllwild | 10:08:46 | -49.3 | Dark | Up | 30.1 | 182.4 | Up | 10:02:46 - 10:14:46 | 3089 |
| Laughlin/Bullhead City | 10:08:39 | -47.2 | Dark | Up | 28.6 | 184.6 | Low | 10:02:39 - 10:14:39 | 3019 |
| Calipatria | 10:08:43 | -48.6 | Dark | Up | 30.6 | 183.7 | Up | 10:02:43 - 10:14:43 | 2987 |
| Patrick | 10:08:37 | -46.6 | Dark | Up | 28.3 | 185.3 | Low | 10:02:37 - 10:14:37 | 2986 |
| Lake Havasu City | 10:08:39 | -47.2 | Dark | Up | 29.2 | 184.9 | Low | 10:02:39 - 10:14:39 | 2973 |
| Yuma | 10:08:42 | -48.0 | Dark | Up | 31.0 | 184.6 | Up | 10:02:42 - 10:14:42 | 2911 |
| George/Scottsdale | 10:08:34 | -45.5 | Dark | Up | 29.8 | 187.4 | Low | 10:02:34 - 10:14:34 | 2783 |
| Dunrhomin | 10:08:14 | -38.7 | Dark | Up | 22.4 | 193.4 | Low | 10:02:14 - 10:14:14 | 2668 |
| CU-SBO | 10:08:14 | -38.9 | Dark | Up | 22.6 | 193.3 | Low | 10:02:14 - 10:14:14 | 2663 |
| Nikitin | 10:08:14 | -38.8 | Dark | Up | 22.6 | 193.4 | Low | 10:02:14 - 10:14:14 | 2661 |
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 418993, (2028/10/31 10:11UT) Object RA Dec mag sep mel Rigel 05:14:32.3 -08:12:06 0.1 18.62 68 Nihal 05:28:14.7 -20:45:36 2.8 9.62 75 PPM 248347 05:02:10.0 -26:16:31 5.0 1.96 71 PPM 248155 04:53:37.4 -26:04:53 8.1 0.06 69 418993 04:53:26.7 -26:07:56 15.5 69 Positions are for J2000
Event circumstances last updated at 2023/12/03 04:31:53 UT
Marc W. Buie, Southwest Research Institute