Event between (471272) 11FY9 and star GA0900:04956589 with event index number of 2735514
Geocentric closest approach at 2029/03/11 10:48:51 UTC
J2000 position of star is 16:43:06.6 +00:49:20
Equinox of date position of star is 16:44:14.3 +00:46:55
Stellar brightness G=12.9,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 62 degrees from the moon.
Moon is 13% illuminated.
TNO apparent brightness V=23.8
[RECON map]
TNO is 29.6 AU from the Sun
and 29.4 AU from the Earth.
The TNO is moving 14.1
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 170 seconds.
The 1-sigma cross-track error in the shadow position is
5174 km.
The sky-plane scale is
21343.9 km/arcsec.
The TNO has an absolute magnitude Hv=8.9
Diameter=97.7 km assuming a 5% albedo -- 7.0 sec chord
Diameter=39.9 km assuming a 30% albedo -- 2.8 sec chord
Dynamical classification is CENTAURR
Star training set for 471272, (2029/03/11 10:49UT) Object RA Dec mag sep mel Antares 16:31:12.1 -26:29:39 0.9 27.45 60 1Del Oph 16:15:52.7 -03:46:01 2.7 8.49 68 14 Oph 16:43:11.4 +01:07:39 6.0 0.50 63 PPM 162990 16:43:36.3 +01:11:16 8.2 0.49 63 PPM 163005 16:44:09.6 +00:28:22 8.9 0.32 62 PPM 163006 16:44:12.9 +00:33:39 11.3 0.23 62 471272 16:44:35.8 +00:46:09 12.9 62 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 9.6 km
RECON observability=1.0 and success probability=7.9%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Wildwood | 10:52:52 | -40.3 | Dark | Down | 42.2 | 126.1 | Up | 10:38:13 - 11:07:30 | 3140 |
| Quincy | 10:53:29 | -38.8 | Dark | Down | 37.3 | 127.8 | Up | 10:38:51 - 11:08:08 | 3078 |
| Greenville | 10:53:32 | -38.6 | Dark | Down | 37.1 | 127.9 | Up | 10:38:53 - 11:08:10 | 3069 |
| Gimple | 10:53:30 | -38.6 | Dark | Down | 37.2 | 128.0 | Up | 10:38:52 - 11:08:09 | 3064 |
| Fall River/Burney | 10:53:36 | -38.4 | Dark | Down | 36.3 | 128.0 | Up | 10:38:57 - 11:08:14 | 3059 |
| Portola | 10:53:30 | -38.5 | Dark | Down | 37.6 | 128.2 | Up | 10:38:52 - 11:08:09 | 3051 |
| Gardnerville | 10:53:23 | -38.6 | Dark | Down | 38.6 | 128.4 | Up | 10:38:45 - 11:08:02 | 3039 |
| Susanville | 10:53:35 | -38.3 | Dark | Down | 37.1 | 128.4 | Up | 10:38:57 - 11:08:14 | 3038 |
| Lee Vining | 10:53:17 | -38.7 | Dark | Down | 39.6 | 128.4 | Up | 10:38:38 - 11:07:55 | 3035 |
| Carson City | 10:53:25 | -38.5 | Dark | Down | 38.4 | 128.5 | Up | 10:38:47 - 11:08:04 | 3032 |
| Klamath Falls | 10:53:43 | -37.9 | Dark | Down | 35.4 | 128.4 | Up | 10:39:04 - 11:08:21 | 3031 |
| Chiloquin | 10:53:45 | -37.7 | Dark | Down | 35.1 | 128.5 | Up | 10:39:06 - 11:08:23 | 3020 |
| Reno | 10:53:27 | -38.3 | Dark | Down | 38.2 | 128.7 | Up | 10:38:48 - 11:08:05 | 3019 |
| Idyllwild | 10:52:53 | -39.1 | Dark | Down | 43.6 | 127.8 | Up | 10:38:15 - 11:07:32 | 3012 |
| Bishop | 10:53:13 | -38.5 | Dark | Down | 40.4 | 128.7 | Up | 10:38:35 - 11:07:52 | 3006 |
| Yerington | 10:53:23 | -38.1 | Dark | Down | 38.9 | 129.0 | Up | 10:38:45 - 11:08:02 | 2996 |
| Hawthorne | 10:53:22 | -38.0 | Dark | Down | 39.5 | 129.3 | Up | 10:38:43 - 11:08:00 | 2978 |
| Cedarville | 10:53:39 | -37.3 | Dark | Down | 36.7 | 129.6 | Up | 10:39:01 - 11:08:18 | 2958 |
| Lakeview | 10:53:46 | -37.1 | Dark | Down | 36.2 | 129.8 | Up | 10:39:07 - 11:08:24 | 2941 |
| Calipatria | 10:52:46 | -38.5 | Dark | Down | 44.8 | 128.6 | Up | 10:38:08 - 11:07:25 | 2940 |
| Oregon Observatory | 10:53:53 | -36.7 | Dark | Down | 34.5 | 129.6 | Up | 10:39:15 - 11:08:32 | 2933 |
| North Lake | 10:53:50 | -36.7 | Dark | Down | 35.3 | 129.8 | Up | 10:39:12 - 11:08:29 | 2929 |
| Sisters | 10:53:55 | -36.5 | Dark | Down | 34.2 | 129.7 | Up | 10:39:16 - 11:08:33 | 2921 |
| Bend | 10:53:54 | -36.5 | Dark | Down | 34.5 | 129.9 | Up | 10:39:15 - 11:08:32 | 2917 |
| Beatty | 10:53:11 | -37.6 | Dark | Down | 41.7 | 130.1 | Up | 10:38:33 - 11:07:50 | 2906 |
| Tonopah | 10:53:18 | -37.3 | Dark | Down | 40.7 | 130.4 | Up | 10:38:40 - 11:07:57 | 2896 |
| Yuma | 10:52:45 | -38.0 | Dark | Down | 45.6 | 129.2 | Up | 10:38:06 - 11:07:23 | 2883 |
| Maupin | 10:54:03 | -35.6 | Dark | Down | 33.9 | 130.7 | Up | 10:39:24 - 11:08:41 | 2849 |
| Indian Springs | 10:53:09 | -37.0 | Dark | Down | 42.5 | 131.0 | Up | 10:38:31 - 11:07:48 | 2838 |
| The Dalles | 10:54:02 | -35.4 | Dark | Down | 33.6 | 130.8 | Up | 10:39:24 - 11:08:41 | 2836 |
| Victoria | 10:54:19 | -34.7 | Dark | Down | 30.6 | 130.0 | Up | 10:39:40 - 11:08:57 | 2817 |
| Parker | 10:52:55 | -37.1 | Dark | Down | 44.9 | 130.7 | Up | 10:38:16 - 11:07:33 | 2812 |
| Mohave Valley | 10:52:59 | -37.0 | Dark | Down | 44.3 | 131.0 | Up | 10:38:20 - 11:07:37 | 2810 |
| Henderson | 10:53:06 | -36.8 | Dark | Down | 43.3 | 131.4 | Up | 10:38:27 - 11:07:44 | 2804 |
| Lake Havasu City | 10:52:55 | -37.0 | Dark | Down | 44.7 | 130.9 | Up | 10:38:17 - 11:07:34 | 2804 |
| Goldendale | 10:54:04 | -35.1 | Dark | Down | 33.7 | 131.3 | Up | 10:39:25 - 11:08:42 | 2803 |
| Laughlin/Bullhead City | 10:53:00 | -36.9 | Dark | Down | 44.1 | 131.2 | Up | 10:38:22 - 11:07:39 | 2801 |
| Kingman/Dolan Springs | 10:53:00 | -36.5 | Dark | Down | 44.4 | 131.8 | Up | 10:38:22 - 11:07:39 | 2761 |
| Toppenish/White Swan | 10:54:07 | -34.5 | Dark | Down | 33.5 | 132.1 | Up | 10:39:29 - 11:08:46 | 2751 |
| Yakima | 10:54:08 | -34.5 | Dark | Down | 33.3 | 132.0 | Up | 10:39:30 - 11:08:47 | 2751 |
| Patrick | 10:53:01 | -36.2 | Dark | Down | 44.4 | 132.2 | Up | 10:38:23 - 11:07:40 | 2740 |
| Ellensburg | 10:54:11 | -34.2 | Dark | Down | 33.0 | 132.2 | Up | 10:39:33 - 11:08:50 | 2730 |
| Wenatchee | 10:54:13 | -33.8 | Dark | Down | 32.9 | 132.6 | Up | 10:39:34 - 11:08:51 | 2697 |
| PNWRO | 10:54:05 | -33.9 | Dark | Down | 34.5 | 133.4 | Up | 10:39:26 - 11:08:43 | 2677 |
| Manson/Chelan | 10:54:16 | -33.4 | Dark | Down | 32.6 | 133.1 | Up | 10:39:37 - 11:08:54 | 2664 |
| George/Scottsdale | 10:52:52 | -35.4 | Dark | Down | 46.7 | 133.1 | Up | 10:38:13 - 11:07:30 | 2633 |
| Brewster | 10:54:17 | -33.1 | Dark | Down | 32.7 | 133.5 | Up | 10:39:38 - 11:08:55 | 2632 |
| Okanogan | 10:54:18 | -32.8 | Dark | Down | 32.6 | 133.9 | Up | 10:39:40 - 11:08:57 | 2607 |
| Tonasket | 10:54:20 | -32.6 | Dark | Down | 32.4 | 134.2 | Up | 10:39:42 - 11:08:59 | 2582 |
| Oliver | 10:54:23 | -32.3 | Dark | Down | 32.0 | 134.3 | Up | 10:39:44 - 11:09:01 | 2565 |
| Anarchist Mountain Observatory | 10:54:22 | -32.3 | Dark | Down | 32.2 | 134.4 | Up | 10:39:43 - 11:09:00 | 2563 |
| Summerland | 10:54:25 | -32.1 | Dark | Down | 31.7 | 134.4 | Up | 10:39:47 - 11:09:04 | 2551 |
| Peachland | 10:54:26 | -32.1 | Dark | Down | 31.5 | 134.4 | Up | 10:39:47 - 11:09:04 | 2549 |
| Penticton | 10:54:25 | -32.1 | Dark | Down | 31.8 | 134.5 | Up | 10:39:46 - 11:09:03 | 2548 |
| Kamloops | 10:54:31 | -31.8 | Dark | Down | 30.6 | 134.2 | Up | 10:39:52 - 11:09:09 | 2536 |
| Kelowna | 10:54:26 | -31.8 | Dark | Down | 31.6 | 134.7 | Up | 10:39:48 - 11:09:05 | 2527 |
| CU-SBO | 10:53:32 | -28.1 | Dark | Down | 45.5 | 145.7 | Up | 10:38:54 - 11:08:11 | 1936 |
| Dunrhomin | 10:53:35 | -27.9 | Dark | Down | 45.3 | 146.0 | Up | 10:38:57 - 11:08:14 | 1922 |
| Sleaford | 10:54:39 | -23.4 | Dark | Down | 35.0 | 150.7 | Up | 10:40:00 - 11:09:17 | 1619 |
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 471272, (2029/03/11 10:49UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 27.45 60 1Del Oph 16:14:20.7 -03:41:43 2.7 8.49 68 14 Oph 16:41:42.4 +01:10:54 6.0 0.50 63 PPM 162990 16:42:07.3 +01:14:29 8.2 0.49 63 PPM 163005 16:42:40.2 +00:31:34 8.9 0.32 62 PPM 163006 16:42:43.5 +00:36:51 11.3 0.23 62 471272 16:43:06.6 +00:49:20 12.9 62 Positions are for J2000
Event circumstances last updated at 2022/02/26 02:56:22 UT
Marc W. Buie, Southwest Research Institute