Event between (532039) 13FR28 and star GA0720:05291225 with event index number of 2448102
Geocentric closest approach at 2028/07/12 04:23:11 UTC
J2000 position of star is 14:44:42.7 -16:06:45
Equinox of date position of star is 14:45:59.0 -16:12:30
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 127 degrees from the moon.
Moon is 75% illuminated.
TNO apparent brightness V=23.1
[RECON map]
TNO is 35.7 AU from the Sun
and 35.3 AU from the Earth.
The TNO is moving 6.4
km/sec on the sky relative to the star, or,
0.9 arcsec/hr.
The 1-sigma error in the time of the event is 1420 seconds.
The 1-sigma cross-track error in the shadow position is
3682 km.
The sky-plane scale is
25606.6 km/arcsec.
The TNO has an absolute magnitude Hv=7.4
Diameter=198.6 km assuming a 5% albedo -- 31.2 sec chord
Diameter=81.1 km assuming a 30% albedo -- 12.7 sec chord
Dynamical classification is 7:4EEE
Star training set for 532039, (2028/07/12 04:14UT) Object RA Dec mag sep mel Spica 13:26:42.0 -11:18:33 1.0 19.93 147 27Bet Lib 15:18:32.8 -09:29:11 2.6 10.35 120 5 Lib 14:47:32.5 -15:34:41 6.5 0.72 127 PPM 229241 14:47:11.1 -16:51:46 8.2 0.67 127 PPM 229229 14:46:34.7 -16:17:59 9.6 0.10 127 532039 14:46:17.7 -16:13:54 16.1 126 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
0.6 sigma about the mid-time.
The median site spacing is 25.5 km
RECON observability=0.2 and success probability=1.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 04:22:22 | -7.5 | NT | Down | 17.3 | 209.3 | Really Low | 04:07:22 - 04:37:22 | 8280 |
| Kamloops | 04:24:30 | -2.5 | CT | Down | 21.9 | 195.7 | Low | 04:09:30 - 04:39:30 | 8088 |
| Kelowna | 04:24:19 | -3.4 | CT | Down | 22.5 | 196.7 | Low | 04:09:19 - 04:39:19 | 8068 |
| Peachland | 04:24:19 | -3.3 | CT | Down | 22.7 | 196.4 | Low | 04:09:19 - 04:39:19 | 8061 |
| Summerland | 04:24:18 | -3.5 | CT | Down | 22.8 | 196.5 | Low | 04:09:18 - 04:39:18 | 8056 |
| Penticton | 04:24:19 | -3.6 | CT | Down | 22.9 | 196.6 | Low | 04:09:19 - 04:39:19 | 8055 |
| Oliver | 04:24:12 | -3.8 | CT | Down | 23.2 | 196.6 | Low | 04:09:12 - 04:39:12 | 8041 |
| Anarchist Mountain Observatory | 04:24:08 | -4.0 | CT | Down | 23.3 | 196.9 | Low | 04:09:08 - 04:39:08 | 8037 |
| Okanogan | 04:24:05 | -4.3 | CT | Down | 24.0 | 196.7 | Low | 04:09:05 - 04:39:05 | 8007 |
| Brewster | 04:24:11 | -4.4 | CT | Down | 24.3 | 196.5 | Low | 04:09:11 - 04:39:11 | 7993 |
| Manson/Chelan | 04:24:14 | -4.3 | CT | Down | 24.6 | 196.2 | Low | 04:09:14 - 04:39:14 | 7980 |
| Victoria | 04:24:51 | -2.3 | CT | Down | 24.5 | 192.9 | Low | 04:09:51 - 04:39:51 | 7960 |
| Wenatchee | 04:24:12 | -4.6 | CT | Down | 25.0 | 196.1 | Low | 04:09:12 - 04:39:12 | 7957 |
| Ellensburg | 04:24:12 | -4.7 | CT | Down | 25.5 | 195.9 | Low | 04:09:12 - 04:39:12 | 7936 |
| Yakima | 04:24:10 | -4.9 | CT | Down | 25.9 | 195.9 | Low | 04:09:10 - 04:39:10 | 7918 |
| PNWRO | 04:23:51 | -6.2 | NT | Down | 26.1 | 197.7 | Low | 04:08:51 - 04:38:51 | 7915 |
| Toppenish/White Swan | 04:24:12 | -5.2 | CT | Down | 26.0 | 196.1 | Low | 04:09:12 - 04:39:12 | 7911 |
| The Dalles | 04:24:14 | -5.2 | CT | Down | 26.9 | 195.4 | Low | 04:09:14 - 04:39:14 | 7864 |
| Maupin | 04:24:08 | -5.6 | CT | Down | 27.3 | 195.6 | Low | 04:09:08 - 04:39:08 | 7846 |
| Sisters | 04:24:10 | -5.8 | CT | Down | 28.3 | 195.2 | Low | 04:09:10 - 04:39:10 | 7797 |
| Bend | 04:24:07 | -6.1 | NT | Down | 28.5 | 195.5 | Low | 04:09:07 - 04:39:07 | 7789 |
| Dunrhomin | 04:20:43 | -16.9 | AT | Down | 27.3 | 212.1 | Low | 04:05:43 - 04:35:43 | 7788 |
| Oregon Observatory | 04:24:07 | -6.2 | NT | Down | 28.7 | 195.4 | Low | 04:09:07 - 04:39:07 | 7779 |
| CU-SBO | 04:20:41 | -17.0 | AT | Down | 27.6 | 212.1 | Low | 04:05:41 - 04:35:41 | 7775 |
| Chiloquin | 04:24:04 | -6.7 | NT | Down | 30.0 | 195.1 | Up | 04:09:04 - 04:39:04 | 7706 |
| Klamath Falls | 04:24:02 | -7.0 | NT | Down | 30.3 | 195.2 | Up | 04:09:02 - 04:39:02 | 7690 |
| Cedarville | 04:23:39 | -8.3 | NT | Down | 30.7 | 197.0 | Up | 04:08:39 - 04:38:39 | 7678 |
| Fall River/Burney | 04:23:52 | -7.9 | NT | Down | 31.4 | 195.8 | Up | 04:08:52 - 04:38:52 | 7633 |
| Gimple | 04:23:41 | -8.8 | NT | Down | 32.2 | 196.5 | Up | 04:08:41 - 04:38:41 | 7591 |
| Greenville | 04:23:42 | -8.7 | NT | Down | 32.2 | 196.4 | Up | 04:08:42 - 04:38:42 | 7590 |
| Portola | 04:23:35 | -9.2 | NT | Down | 32.4 | 196.9 | Up | 04:08:35 - 04:38:35 | 7580 |
| Quincy | 04:23:40 | -8.8 | NT | Down | 32.4 | 196.4 | Up | 04:08:40 - 04:38:40 | 7579 |
| Reno | 04:23:25 | -9.7 | NT | Down | 32.5 | 197.7 | Up | 04:08:25 - 04:38:25 | 7575 |
| Carson City | 04:23:27 | -10.0 | NT | Down | 32.8 | 197.8 | Up | 04:08:27 - 04:38:27 | 7555 |
| Yerington | 04:23:13 | -10.4 | NT | Down | 32.9 | 198.5 | Up | 04:08:13 - 04:38:13 | 7553 |
| Gardnerville | 04:23:21 | -10.1 | NT | Down | 33.1 | 197.8 | Up | 04:08:21 - 04:38:21 | 7542 |
| Hawthorne | 04:23:09 | -11.0 | NT | Down | 33.2 | 199.1 | Up | 04:08:09 - 04:38:09 | 7535 |
| Nikitin | 04:31:25 | 35.3 | Sun up | Down | -13.7 | 281.2 | Not Up | 04:16:25 - 04:46:25 | 7496 |
| Lee Vining | 04:23:08 | -11.1 | NT | Down | 33.9 | 198.7 | Up | 04:08:08 - 04:38:08 | 7495 |
| Bishop | 04:22:57 | -11.9 | NT | Down | 34.2 | 199.6 | Up | 04:07:57 - 04:37:57 | 7470 |
| Beatty | 04:22:35 | -13.1 | AT | Down | 34.2 | 201.4 | Up | 04:07:35 - 04:37:35 | 7467 |
| Patrick | 04:21:52 | -15.8 | AT | Down | 34.8 | 204.8 | Up | 04:06:52 - 04:36:52 | 7417 |
| Laughlin/Bullhead City | 04:21:56 | -15.5 | AT | Down | 35.2 | 204.1 | Up | 04:06:56 - 04:36:56 | 7391 |
| Lake Havasu City | 04:21:51 | -16.1 | AT | Down | 35.7 | 204.6 | Up | 04:06:51 - 04:36:51 | 7353 |
| George/Scottsdale | 04:21:15 | -18.0 | Dark | Down | 35.6 | 207.3 | Up | 04:06:15 - 04:36:15 | 7336 |
| Idyllwild | 04:22:18 | -15.2 | AT | Down | 37.2 | 202.2 | Up | 04:07:18 - 04:37:18 | 7270 |
| Wildwood | 04:22:43 | -13.8 | AT | Down | 37.4 | 200.1 | Up | 04:07:43 - 04:37:43 | 7263 |
| Calipatria | 04:21:56 | -16.3 | AT | Down | 37.4 | 203.7 | Up | 04:06:56 - 04:36:56 | 7247 |
| Yuma | 04:21:44 | -17.1 | AT | Down | 37.5 | 204.7 | Up | 04:06:44 - 04:36:44 | 7232 |
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 532039, (2028/07/12 04:14UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 19.93 147 27Bet Lib 15:17:00.3 -09:22:59 2.6 10.35 120 5 Lib 14:45:57.7 -15:27:34 6.5 0.72 127 PPM 229241 14:45:35.8 -16:44:38 8.2 0.67 127 PPM 229229 14:44:59.6 -16:10:51 9.6 0.10 127 532039 14:44:42.7 -16:06:45 16.1 127 Positions are for J2000
Event circumstances last updated at 2022/12/04 03:33:38 UT
Marc W. Buie, Southwest Research Institute