Event between 06QG181 and star GA1180:01629912 with event index number of 2013105
Geocentric closest approach at 2021/09/08 09:38:37 UTC
J2000 position of star is 05:37:00.2 +28:23:26
Equinox of date position of star is 05:38:22.3 +28:24:08
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 98 degrees from the moon.
Moon is 3% illuminated.
TNO apparent brightness V=24.5
[RECON map]
TNO is 33.9 AU from the Sun
and 34.1 AU from the Earth.
The TNO is moving 9.8
km/sec on the sky relative to the star, or,
1.4 arcsec/hr.
The 1-sigma error in the time of the event is 1024 seconds.
The 1-sigma cross-track error in the shadow position is
5001 km.
The sky-plane scale is
24724.2 km/arcsec.
The TNO has an absolute magnitude Hv=9.0
Diameter=94.6 km assuming a 5% albedo -- 9.7 sec chord
Diameter=38.6 km assuming a 30% albedo -- 4.0 sec chord
Dynamical classification is CENTAURR
Star training set for 06QG181, (2021/09/08 09:39UT) Object RA Dec mag sep mel Aldebaran 04:37:10.1 +16:33:04 0.8 18.42 114 Alnath 05:27:39.9 +28:37:25 1.6 2.36 101 PPM 094619 05:40:41.1 +29:13:32 5.9 0.97 98 PPM 094505 05:36:01.1 +28:03:50 8.3 0.62 99 PPM 094611 05:40:20.4 +28:28:15 8.8 0.44 98 PPM 094567 05:38:22.3 +28:12:39 10.3 0.19 98 06QG181 05:38:22.5 +28:24:08 16.7 98 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
0.9 sigma about the mid-time.
The median site spacing is 14.2 km
RECON observability=1.0 and success probability=6.8%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Victoria | 09:34:18 | -33.0 | Dark | Down | 29.5 | 79.4 | Low | 09:19:18 - 09:49:18 | 3448 |
| Clarence Fulton | 09:34:38 | -30.2 | Dark | Down | 32.5 | 83.4 | Up | 09:19:38 - 09:49:38 | 3361 |
| Peachland | 09:34:34 | -30.8 | Dark | Down | 32.1 | 82.7 | Up | 09:19:34 - 09:49:34 | 3358 |
| Kelowna | 09:34:35 | -30.6 | Dark | Down | 32.3 | 83.0 | Up | 09:19:35 - 09:49:35 | 3351 |
| Summerland | 09:34:31 | -30.9 | Dark | Down | 32.2 | 82.7 | Up | 09:19:31 - 09:49:31 | 3349 |
| Penticton | 09:34:30 | -30.9 | Dark | Down | 32.2 | 82.7 | Up | 09:19:30 - 09:49:30 | 3342 |
| Oliver | 09:34:27 | -31.2 | Dark | Down | 32.2 | 82.5 | Up | 09:19:27 - 09:49:27 | 3327 |
| Anarchist Mountain Observatory | 09:34:25 | -31.3 | Dark | Down | 32.3 | 82.5 | Up | 09:19:25 - 09:49:25 | 3313 |
| Tonasket | 09:34:21 | -31.6 | Dark | Down | 32.2 | 82.2 | Up | 09:19:21 - 09:49:21 | 3302 |
| Manson/Chelan | 09:34:14 | -32.6 | Dark | Down | 31.6 | 81.2 | Up | 09:19:14 - 09:49:14 | 3295 |
| Okanogan | 09:34:18 | -32.0 | Dark | Down | 32.0 | 81.9 | Up | 09:19:18 - 09:49:18 | 3294 |
| Brewster | 09:34:16 | -32.3 | Dark | Down | 31.8 | 81.6 | Up | 09:19:16 - 09:49:16 | 3290 |
| Wenatchee | 09:34:08 | -33.0 | Dark | Down | 31.4 | 80.8 | Up | 09:19:08 - 09:49:08 | 3282 |
| Ellensburg | 09:34:04 | -33.5 | Dark | Down | 31.1 | 80.4 | Up | 09:19:04 - 09:49:04 | 3273 |
| Yakima | 09:34:00 | -33.8 | Dark | Down | 31.0 | 80.1 | Up | 09:19:00 - 09:49:00 | 3255 |
| Toppenish/White Swan | 09:33:57 | -34.0 | Dark | Down | 31.1 | 80.1 | Up | 09:18:57 - 09:48:57 | 3239 |
| The Dalles | 09:33:48 | -34.9 | Dark | Down | 30.4 | 79.1 | Up | 09:18:48 - 09:48:48 | 3236 |
| Goldendale | 09:33:52 | -34.6 | Dark | Down | 30.7 | 79.5 | Up | 09:18:52 - 09:48:52 | 3231 |
| Maupin | 09:33:45 | -35.3 | Dark | Down | 30.4 | 78.9 | Up | 09:18:45 - 09:48:45 | 3212 |
| Sisters | 09:33:37 | -36.2 | Dark | Down | 29.8 | 78.1 | Low | 09:18:37 - 09:48:37 | 3192 |
| Pasco | 09:33:58 | -33.7 | Dark | Down | 32.0 | 80.9 | Up | 09:18:58 - 09:48:58 | 3181 |
| Redmond | 09:33:37 | -36.1 | Dark | Down | 30.1 | 78.3 | Up | 09:18:37 - 09:48:37 | 3174 |
| Bend | 09:33:32 | -36.4 | Dark | Down | 30.0 | 78.1 | Low | 09:18:32 - 09:48:32 | 3170 |
| Oregon Observatory | 09:33:31 | -36.6 | Dark | Down | 29.8 | 77.9 | Low | 09:18:31 - 09:48:31 | 3168 |
| PNWRO | 09:33:56 | -33.8 | Dark | Down | 32.1 | 80.9 | Up | 09:18:56 - 09:48:56 | 3161 |
| La Pine/Gilchrist | 09:33:29 | -36.8 | Dark | Down | 29.7 | 77.8 | Low | 09:18:29 - 09:48:29 | 3160 |
| Chiloquin | 09:33:18 | -37.9 | Dark | Down | 29.2 | 76.9 | Low | 09:18:18 - 09:48:18 | 3122 |
| North Lake | 09:33:26 | -36.9 | Dark | Down | 30.1 | 77.9 | Up | 09:18:26 - 09:48:26 | 3114 |
| Klamath Falls | 09:33:15 | -38.2 | Dark | Down | 29.2 | 76.8 | Low | 09:18:15 - 09:48:15 | 3101 |
| Paisley | 09:33:21 | -37.3 | Dark | Down | 30.2 | 77.8 | Up | 09:18:21 - 09:48:21 | 3071 |
| Lakeview | 09:33:15 | -37.7 | Dark | Down | 30.2 | 77.6 | Up | 09:18:15 - 09:48:15 | 3038 |
| Fall River/Burney | 09:33:03 | -39.1 | Dark | Down | 29.2 | 76.3 | Low | 09:18:03 - 09:48:03 | 3025 |
| Cedarville | 09:33:10 | -38.2 | Dark | Down | 30.2 | 77.3 | Up | 09:18:10 - 09:48:10 | 2996 |
| Susanville | 09:32:59 | -39.3 | Dark | Down | 29.5 | 76.4 | Low | 09:17:59 - 09:47:59 | 2959 |
| Greenville | 09:32:55 | -39.7 | Dark | Down | 29.2 | 76.1 | Low | 09:17:55 - 09:47:55 | 2958 |
| Gimple | 09:32:54 | -39.7 | Dark | Down | 29.3 | 76.1 | Low | 09:17:54 - 09:47:54 | 2954 |
| Quincy | 09:32:53 | -39.9 | Dark | Down | 29.2 | 76.0 | Low | 09:17:53 - 09:47:53 | 2947 |
| Portola | 09:32:52 | -39.8 | Dark | Down | 29.5 | 76.1 | Low | 09:17:52 - 09:47:52 | 2919 |
| Reno | 09:32:50 | -39.8 | Dark | Down | 29.9 | 76.3 | Low | 09:17:50 - 09:47:50 | 2875 |
| Carson City | 09:32:46 | -40.1 | Dark | Down | 29.8 | 76.1 | Low | 09:17:46 - 09:47:46 | 2854 |
| Gardnerville | 09:32:45 | -40.3 | Dark | Down | 29.8 | 76.0 | Low | 09:17:45 - 09:47:45 | 2839 |
| Yerington | 09:32:46 | -40.0 | Dark | Down | 30.3 | 76.4 | Up | 09:17:46 - 09:47:46 | 2815 |
| Hawthorne | 09:32:42 | -40.1 | Dark | Down | 30.6 | 76.4 | Up | 09:17:42 - 09:47:42 | 2764 |
| Lee Vining | 09:32:34 | -40.8 | Dark | Down | 30.0 | 75.8 | Up | 09:17:34 - 09:47:34 | 2755 |
| Bishop | 09:32:31 | -41.0 | Dark | Down | 30.4 | 75.8 | Up | 09:17:31 - 09:47:31 | 2686 |
| CPSLO | 09:32:09 | -43.8 | Dark | Down | 28.1 | 73.6 | Low | 09:17:09 - 09:47:09 | 2673 |
| Tonopah | 09:32:38 | -39.9 | Dark | Down | 31.5 | 76.8 | Up | 09:17:38 - 09:47:38 | 2671 |
| Beatty | 09:32:30 | -40.7 | Dark | Down | 31.6 | 76.3 | Up | 09:17:30 - 09:47:30 | 2581 |
| Indian Springs | 09:32:25 | -40.4 | Dark | Down | 32.3 | 76.6 | Up | 09:17:25 - 09:47:25 | 2509 |
| Wildwood | 09:32:01 | -43.9 | Dark | Down | 29.3 | 73.8 | Low | 09:17:01 - 09:47:01 | 2500 |
| Henderson | 09:32:24 | -40.5 | Dark | Down | 32.7 | 76.6 | Up | 09:17:24 - 09:47:24 | 2442 |
| Idyllwild | 09:31:59 | -43.2 | Dark | Down | 30.7 | 74.4 | Up | 09:16:59 - 09:46:59 | 2384 |
| Laughlin/Bullhead City | 09:32:18 | -40.9 | Dark | Down | 32.8 | 76.3 | Up | 09:17:18 - 09:47:18 | 2367 |
| Mohave Valley | 09:32:14 | -41.2 | Dark | Down | 32.8 | 76.1 | Up | 09:17:14 - 09:47:14 | 2350 |
| Patrick | 09:32:20 | -40.4 | Dark | Down | 33.5 | 76.7 | Up | 09:17:20 - 09:47:20 | 2348 |
| Kingman/Dolan Springs | 09:32:17 | -40.7 | Dark | Down | 33.3 | 76.5 | Up | 09:17:17 - 09:47:17 | 2343 |
| Lake Havasu City | 09:32:11 | -41.3 | Dark | Down | 32.9 | 75.9 | Up | 09:17:11 - 09:47:11 | 2312 |
| Parker | 09:32:08 | -41.6 | Dark | Down | 32.8 | 75.7 | Up | 09:17:08 - 09:47:08 | 2288 |
| Calipatria | 09:31:57 | -43.1 | Dark | Down | 31.5 | 74.6 | Up | 09:16:57 - 09:46:57 | 2285 |
| Blythe | 09:32:02 | -42.2 | Dark | Down | 32.4 | 75.3 | Up | 09:17:02 - 09:47:02 | 2269 |
| Dunrhomin | 09:33:26 | -32.0 | Dark | Down | 41.2 | 85.1 | Up | 09:18:26 - 09:48:26 | 2226 |
| Yuma | 09:31:54 | -42.9 | Dark | Down | 32.1 | 74.7 | Up | 09:16:54 - 09:46:54 | 2211 |
| George/Scottsdale | 09:32:09 | -40.6 | Dark | Down | 34.7 | 76.5 | Up | 09:17:09 - 09:47:09 | 2136 |
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 06QG181, (2021/09/08 09:39UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 18.42 114 Alnath 05:26:17.6 +28:36:23 1.6 2.36 101 PPM 094619 05:39:18.3 +29:12:54 5.9 0.97 98 PPM 094505 05:34:39.1 +28:03:04 8.3 0.62 99 PPM 094611 05:38:58.0 +28:27:37 8.8 0.44 98 PPM 094567 05:37:00.2 +28:11:57 10.3 0.19 98 06QG181 05:37:00.2 +28:23:26 16.7 98 Positions are for J2000
Event circumstances last updated at 2021/08/26 00:56:15 UT
Marc W. Buie, Southwest Research Institute