Event between (471151) 10FD49 and star GA0720:05616277 with event index number of 2265106
Geocentric closest approach at 2028/06/30 06:32:31 UTC
J2000 position of star is 15:39:16.9 -17:50:25
Equinox of date position of star is 15:40:40.9 -17:55:06
Stellar brightness G=14.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 38 degrees from the moon.
Moon is 59% illuminated.
Apparent brightness V=21.7
[RECON map]
Object is 33.2 AU from the Sun
and 32.4 AU from the Earth.
Apparent velocity is 15.9
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 113 seconds.
The 1-sigma cross-track error in the shadow position is
1353 km.
The sky-plane scale is
23516.1 km/arcsec.
The object has an absolute magnitude Hv=6.4
Diameter=307.6 km assuming a 5% albedo -- 19.7 sec chord
Diameter=125.6 km assuming a 30% albedo -- 8.1 sec chord
Dynamical classification is 5:2EEE
Star training set for 471151, (2028/06/30 06:36UT) Object RA Dec mag sep mel Antares 16:31:09.6 -26:29:33 0.9 14.43 51 8Bet1Sco 16:07:05.9 -19:52:52 2.6 6.49 45 41 Lib 15:40:33.3 -19:23:37 5.3 1.46 38 PPM 230521 15:40:18.9 -17:45:23 7.3 0.22 38 PPM 230522 15:40:22.8 -18:05:48 9.1 0.21 38 471151 15:40:54.6 -17:55:52 14.9 39 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 18.5 km
RECON observability=0.8 and success probability=0.1%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 06:30:54 | -14.4 | AT | Down | 13.4 | 215.0 | Really Low | 06:21:01 - 06:40:48 | 3860 |
| Kamloops | 06:31:45 | -13.4 | AT | Up | 18.9 | 201.7 | Really Low | 06:21:51 - 06:41:38 | 3843 |
| Kelowna | 06:31:40 | -14.3 | AT | Up | 19.4 | 202.7 | Really Low | 06:21:47 - 06:41:34 | 3812 |
| Peachland | 06:31:40 | -14.4 | AT | Up | 19.6 | 202.4 | Really Low | 06:21:47 - 06:41:34 | 3807 |
| Summerland | 06:31:40 | -14.5 | AT | Up | 19.7 | 202.5 | Really Low | 06:21:47 - 06:41:34 | 3801 |
| Penticton | 06:31:39 | -14.6 | AT | Up | 19.8 | 202.7 | Really Low | 06:21:46 - 06:41:33 | 3799 |
| Oliver | 06:31:38 | -14.9 | AT | Up | 20.1 | 202.7 | Low | 06:21:45 - 06:41:32 | 3784 |
| Anarchist Mountain Observatory | 06:31:37 | -15.1 | AT | Up | 20.2 | 202.9 | Low | 06:21:44 - 06:41:31 | 3778 |
| Victoria | 06:31:53 | -14.6 | AT | Up | 21.6 | 199.0 | Low | 06:22:00 - 06:41:47 | 3753 |
| Okanogan | 06:31:37 | -15.7 | AT | Up | 20.9 | 202.8 | Low | 06:21:44 - 06:41:31 | 3750 |
| Brewster | 06:31:37 | -15.9 | AT | Up | 21.2 | 202.6 | Low | 06:21:44 - 06:41:31 | 3739 |
| Manson/Chelan | 06:31:38 | -16.0 | AT | Up | 21.4 | 202.3 | Low | 06:21:45 - 06:41:32 | 3730 |
| Wenatchee | 06:31:37 | -16.4 | AT | Up | 21.9 | 202.2 | Low | 06:21:44 - 06:41:31 | 3709 |
| Ellensburg | 06:31:38 | -16.7 | AT | Up | 22.4 | 202.1 | Low | 06:21:45 - 06:41:32 | 3690 |
| Yakima | 06:31:37 | -17.1 | AT | Up | 22.7 | 202.1 | Low | 06:21:43 - 06:41:30 | 3672 |
| Toppenish/White Swan | 06:31:35 | -17.3 | AT | Up | 22.9 | 202.3 | Low | 06:21:42 - 06:41:29 | 3662 |
| PNWRO | 06:31:29 | -18.0 | Dark | Up | 22.8 | 203.8 | Low | 06:21:36 - 06:41:23 | 3645 |
| The Dalles | 06:31:37 | -17.8 | AT | Up | 23.8 | 201.6 | Low | 06:21:44 - 06:41:31 | 3625 |
| Maupin | 06:31:37 | -18.2 | Dark | Up | 24.2 | 201.8 | Low | 06:21:44 - 06:41:31 | 3606 |
| Sisters | 06:31:37 | -18.9 | Dark | Up | 25.1 | 201.5 | Low | 06:21:43 - 06:41:30 | 3563 |
| Bend | 06:31:35 | -19.2 | Dark | Up | 25.3 | 201.8 | Low | 06:21:41 - 06:41:28 | 3551 |
| Oregon Observatory | 06:31:35 | -19.3 | Dark | Up | 25.5 | 201.7 | Low | 06:21:42 - 06:41:29 | 3543 |
| Chiloquin | 06:31:35 | -20.4 | Dark | Up | 26.8 | 201.5 | Low | 06:21:41 - 06:41:28 | 3475 |
| Klamath Falls | 06:31:34 | -20.7 | Dark | Up | 27.1 | 201.6 | Low | 06:21:40 - 06:41:27 | 3457 |
| Cedarville | 06:31:24 | -21.8 | Dark | Up | 27.3 | 203.4 | Low | 06:21:31 - 06:41:18 | 3421 |
| Fall River/Burney | 06:31:29 | -21.9 | Dark | Up | 28.1 | 202.2 | Low | 06:21:36 - 06:41:23 | 3393 |
| Greenville | 06:31:25 | -22.9 | Dark | Up | 28.8 | 202.8 | Low | 06:21:31 - 06:41:18 | 3343 |
| Gimple | 06:31:25 | -22.9 | Dark | Up | 28.8 | 202.9 | Low | 06:21:32 - 06:41:19 | 3343 |
| Quincy | 06:31:25 | -23.1 | Dark | Up | 29.0 | 202.9 | Low | 06:21:31 - 06:41:18 | 3331 |
| Portola | 06:31:23 | -23.3 | Dark | Up | 29.0 | 203.4 | Low | 06:21:29 - 06:41:16 | 3325 |
| Reno | 06:31:19 | -23.8 | Dark | Up | 29.0 | 204.1 | Low | 06:21:25 - 06:41:12 | 3310 |
| Dunrhomin | 06:30:13 | -26.1 | Dark | Up | 22.7 | 217.8 | Low | 06:20:19 - 06:40:06 | 3303 |
| Nikitin | 06:30:12 | -26.3 | Dark | Up | 22.9 | 217.8 | Low | 06:20:19 - 06:40:06 | 3293 |
| CU-SBO | 06:30:13 | -26.4 | Dark | Up | 23.0 | 217.8 | Low | 06:20:19 - 06:40:06 | 3289 |
| Carson City | 06:31:18 | -24.1 | Dark | Up | 29.4 | 204.2 | Low | 06:21:25 - 06:41:12 | 3289 |
| Yerington | 06:31:15 | -24.5 | Dark | Up | 29.3 | 204.9 | Low | 06:21:22 - 06:41:09 | 3278 |
| Gardnerville | 06:31:17 | -24.3 | Dark | Up | 29.6 | 204.3 | Low | 06:21:24 - 06:41:11 | 3275 |
| Hawthorne | 06:31:11 | -25.0 | Dark | Up | 29.6 | 205.5 | Low | 06:21:17 - 06:41:04 | 3250 |
| Lee Vining | 06:31:12 | -25.4 | Dark | Up | 30.3 | 205.2 | Up | 06:21:18 - 06:41:05 | 3217 |
| Bishop | 06:31:07 | -26.2 | Dark | Up | 30.6 | 206.1 | Up | 06:21:13 - 06:41:00 | 3180 |
| Beatty | 06:30:58 | -27.1 | Dark | Up | 30.4 | 207.8 | Up | 06:21:05 - 06:40:52 | 3150 |
| Patrick | 06:30:40 | -29.2 | Dark | Up | 30.6 | 211.1 | Up | 06:20:46 - 06:40:33 | 3050 |
| Laughlin/Bullhead City | 06:30:43 | -29.3 | Dark | Up | 31.1 | 210.5 | Up | 06:20:49 - 06:40:36 | 3036 |
| Lake Havasu City | 06:30:40 | -30.0 | Dark | Up | 31.5 | 210.9 | Up | 06:20:47 - 06:40:34 | 2991 |
| Wildwood | 06:31:02 | -29.1 | Dark | Up | 33.6 | 206.7 | Up | 06:21:09 - 06:40:56 | 2971 |
| Idyllwild | 06:30:50 | -30.0 | Dark | Up | 33.2 | 208.8 | Up | 06:20:57 - 06:40:44 | 2947 |
| George/Scottsdale | 06:30:26 | -31.3 | Dark | Up | 31.1 | 213.5 | Up | 06:20:32 - 06:40:19 | 2932 |
| Calipatria | 06:30:43 | -31.0 | Dark | Up | 33.2 | 210.1 | Up | 06:20:50 - 06:40:37 | 2902 |
| Yuma | 06:30:38 | -31.6 | Dark | Up | 33.2 | 211.2 | Up | 06:20:45 - 06:40:32 | 2871 |
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 471151, (2028/06/30 06:36UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 14.43 51 8Bet1Sco 16:05:26.2 -19:48:20 2.6 6.49 45 41 Lib 15:38:54.7 -19:18:08 5.3 1.46 38 PPM 230521 15:38:41.3 -17:39:54 7.3 0.22 38 PPM 230522 15:38:45.1 -18:00:20 9.1 0.21 38 471151 15:39:16.9 -17:50:25 14.9 38 Positions are for J2000
Event circumstances last updated at 2024/06/24 21:30:30 UT
Marc W. Buie, Southwest Research Institute