Event between (523652) 11LZ28 and star GA1160:00278750 with event index number of 2241272
Geocentric closest approach at 2027/02/07 06:44:23 UTC
J2000 position of star is 02:08:10.5 +27:11:47
Equinox of date position of star is 02:09:32.8 +27:18:32
Stellar brightness G=14.0,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 75 degrees from the moon.
Moon is 0% illuminated.
Apparent brightness V=21.8
[RECON map]
Object is 28.2 AU from the Sun
and 28.3 AU from the Earth.
Apparent velocity is 13.1
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 125 seconds.
The 1-sigma cross-track error in the shadow position is
1173 km.
The sky-plane scale is
20548.1 km/arcsec.
The object has an absolute magnitude Hv=7.1
Diameter=222.9 km assuming a 5% albedo -- 17.3 sec chord
Diameter=91.0 km assuming a 30% albedo -- 7.1 sec chord
Dynamical classification is CENTAURR
Star training set for 523652, (2027/02/07 06:45UT) Object RA Dec mag sep mel Aldebaran 04:37:28.7 +16:33:42 0.8 35.76 105 Hamal 02:08:42.4 +23:35:22 2.0 3.74 73 11 Ari 02:08:21.8 +25:49:57 5.9 1.52 74 PPM 091377 02:08:53.8 +27:21:56 7.0 0.19 74 PPM 091390 02:10:04.9 +27:23:58 9.8 0.11 75 523652 02:09:43.8 +27:19:26 14.0 75 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 17.2 km
RECON observability=0.5 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) |
| Sleaford | 06:48:00 | -52.8 | Dark | Down | 14.7 | 295.6 | Really Low | 06:37:04 - 06:58:56 | 4252 |
| Kamloops | 06:48:22 | -50.6 | Dark | Down | 22.6 | 285.8 | Low | 06:37:26 - 06:59:18 | 3756 |
| Dunrhomin | 06:49:19 | -64.5 | Dark | Down | 8.7 | 298.5 | Really Low | 06:38:23 - 07:00:15 | 3751 |
| Kelowna | 06:48:28 | -51.6 | Dark | Down | 21.8 | 286.8 | Low | 06:37:32 - 06:59:24 | 3747 |
| Nikitin | 06:49:20 | -64.7 | Dark | Down | 8.6 | 298.5 | Really Low | 06:38:24 - 07:00:16 | 3741 |
| CU-SBO | 06:49:20 | -64.7 | Dark | Down | 8.6 | 298.4 | Really Low | 06:38:24 - 07:00:16 | 3735 |
| Peachland | 06:48:29 | -51.6 | Dark | Down | 22.0 | 286.6 | Low | 06:37:33 - 06:59:25 | 3732 |
| Penticton | 06:48:30 | -51.8 | Dark | Down | 21.8 | 286.9 | Low | 06:37:34 - 06:59:26 | 3728 |
| Summerland | 06:48:30 | -51.7 | Dark | Down | 21.9 | 286.8 | Low | 06:37:34 - 06:59:26 | 3728 |
| Oliver | 06:48:33 | -52.1 | Dark | Down | 21.7 | 287.0 | Low | 06:37:37 - 06:59:29 | 3711 |
| Anarchist Mountain Observatory | 06:48:34 | -52.3 | Dark | Down | 21.5 | 287.2 | Low | 06:37:38 - 06:59:30 | 3710 |
| Okanogan | 06:48:39 | -52.8 | Dark | Down | 21.4 | 287.3 | Low | 06:37:43 - 06:59:35 | 3670 |
| Brewster | 06:48:41 | -52.9 | Dark | Down | 21.5 | 287.3 | Low | 06:37:45 - 06:59:37 | 3650 |
| Manson/Chelan | 06:48:42 | -53.0 | Dark | Down | 21.6 | 287.1 | Low | 06:37:46 - 06:59:38 | 3627 |
| Wenatchee | 06:48:47 | -53.3 | Dark | Down | 21.6 | 287.2 | Low | 06:37:51 - 06:59:43 | 3597 |
| PNWRO | 06:48:55 | -55.0 | Dark | Down | 20.2 | 288.7 | Low | 06:37:59 - 06:59:51 | 3574 |
| Ellensburg | 06:48:49 | -53.5 | Dark | Down | 21.6 | 287.2 | Low | 06:37:53 - 06:59:45 | 3568 |
| Victoria | 06:48:38 | -51.1 | Dark | Down | 23.9 | 284.7 | Low | 06:37:42 - 06:59:34 | 3546 |
| Yakima | 06:48:51 | -53.8 | Dark | Down | 21.5 | 287.4 | Low | 06:37:55 - 06:59:47 | 3546 |
| Toppenish/White Swan | 06:48:53 | -54.1 | Dark | Down | 21.3 | 287.6 | Low | 06:37:57 - 06:59:49 | 3540 |
| The Dalles | 06:48:59 | -54.4 | Dark | Down | 21.6 | 287.4 | Low | 06:38:03 - 06:59:55 | 3470 |
| Maupin | 06:49:02 | -54.7 | Dark | Down | 21.4 | 287.6 | Low | 06:38:06 - 06:59:58 | 3451 |
| Sisters | 06:49:08 | -55.2 | Dark | Down | 21.4 | 287.6 | Low | 06:38:12 - 07:00:04 | 3384 |
| Bend | 06:49:10 | -55.5 | Dark | Down | 21.2 | 287.9 | Low | 06:38:14 - 07:00:06 | 3380 |
| Oregon Observatory | 06:49:11 | -55.6 | Dark | Down | 21.2 | 287.9 | Low | 06:38:15 - 07:00:07 | 3366 |
| Cedarville | 06:49:27 | -58.0 | Dark | Down | 19.5 | 289.5 | Really Low | 06:38:31 - 07:00:23 | 3277 |
| Chiloquin | 06:49:19 | -56.4 | Dark | Down | 21.1 | 288.1 | Low | 06:38:23 - 07:00:15 | 3273 |
| Klamath Falls | 06:49:22 | -56.7 | Dark | Down | 20.9 | 288.3 | Low | 06:38:26 - 07:00:18 | 3256 |
| Fall River/Burney | 06:49:29 | -57.7 | Dark | Down | 20.2 | 289.0 | Low | 06:38:33 - 07:00:25 | 3200 |
| Reno | 06:49:39 | -59.7 | Dark | Down | 18.6 | 290.4 | Really Low | 06:38:43 - 07:00:35 | 3170 |
| Gimple | 06:49:36 | -58.7 | Dark | Down | 19.5 | 289.6 | Really Low | 06:38:40 - 07:00:32 | 3165 |
| Greenville | 06:49:35 | -58.6 | Dark | Down | 19.6 | 289.5 | Really Low | 06:38:39 - 07:00:31 | 3162 |
| Yerington | 06:49:42 | -60.4 | Dark | Down | 17.9 | 290.9 | Really Low | 06:38:46 - 07:00:38 | 3162 |
| Portola | 06:49:38 | -59.1 | Dark | Down | 19.1 | 289.9 | Really Low | 06:38:42 - 07:00:34 | 3161 |
| Hawthorne | 06:49:45 | -61.1 | Dark | Down | 17.3 | 291.3 | Really Low | 06:38:49 - 07:00:41 | 3154 |
| Quincy | 06:49:37 | -58.8 | Dark | Down | 19.5 | 289.6 | Really Low | 06:38:41 - 07:00:33 | 3150 |
| Carson City | 06:49:42 | -60.0 | Dark | Down | 18.4 | 290.5 | Really Low | 06:38:46 - 07:00:38 | 3149 |
| Patrick | 06:50:01 | -65.9 | Dark | Down | 12.5 | 294.6 | Really Low | 06:39:05 - 07:00:57 | 3146 |
| Gardnerville | 06:49:43 | -60.2 | Dark | Down | 18.3 | 290.6 | Really Low | 06:38:47 - 07:00:39 | 3135 |
| Beatty | 06:49:54 | -63.3 | Dark | Down | 15.3 | 292.8 | Really Low | 06:38:58 - 07:00:50 | 3125 |
| George/Scottsdale | 06:50:09 | -68.3 | Dark | Down | 10.3 | 295.9 | Really Low | 06:39:13 - 07:01:05 | 3116 |
| Laughlin/Bullhead City | 06:50:02 | -65.8 | Dark | Down | 13.0 | 294.3 | Really Low | 06:39:06 - 07:00:58 | 3101 |
| Lee Vining | 06:49:49 | -61.2 | Dark | Down | 17.5 | 291.2 | Really Low | 06:38:53 - 07:00:45 | 3099 |
| Bishop | 06:49:52 | -62.1 | Dark | Down | 16.7 | 291.8 | Really Low | 06:38:56 - 07:00:48 | 3090 |
| Lake Havasu City | 06:50:07 | -66.4 | Dark | Down | 12.5 | 294.6 | Really Low | 06:39:11 - 07:01:03 | 3067 |
| Yuma | 06:50:17 | -67.6 | Dark | Down | 11.9 | 294.8 | Really Low | 06:39:21 - 07:01:13 | 2934 |
| Calipatria | 06:50:16 | -66.8 | Dark | Down | 12.8 | 294.3 | Really Low | 06:39:20 - 07:01:12 | 2927 |
| Idyllwild | 06:50:13 | -65.7 | Dark | Down | 14.0 | 293.6 | Really Low | 06:39:17 - 07:01:09 | 2920 |
| Wildwood | 06:50:12 | -64.3 | Dark | Down | 15.5 | 292.6 | Really Low | 06:39:16 - 07:01:08 | 2865 |
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 523652, (2027/02/07 06:45UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 35.76 105 Hamal 02:07:10.7 +23:27:41 2.0 3.74 73 11 Ari 02:06:49.3 +25:42:16 5.9 1.52 74 PPM 091377 02:07:20.6 +27:14:15 7.0 0.19 74 PPM 091390 02:08:31.5 +27:16:19 9.8 0.11 75 523652 02:08:10.5 +27:11:47 14.0 74 Positions are for J2000
Event circumstances last updated at 2023/11/24 04:15:15 UT
Marc W. Buie, Southwest Research Institute