Event between (600217) 11QY100 and star GA0880:03214779 with event index number of 2731141
Geocentric closest approach at 2027/02/03 02:23:00 UTC
J2000 position of star is 07:42:09.7 -00:52:33
Equinox of date position of star is 07:43:17.1 -00:55:44
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 146 degrees from the moon.
Moon is 11% illuminated.
TNO apparent brightness V=21.5
[RECON map]
TNO is 21.2 AU from the Sun
and 20.3 AU from the Earth.
The TNO is moving 21.6
km/sec on the sky relative to the star, or,
5.3 arcsec/hr.
The 1-sigma error in the time of the event is 109 seconds.
The 1-sigma cross-track error in the shadow position is
1134 km.
The sky-plane scale is
14712.5 km/arcsec.
The TNO has an absolute magnitude Hv=8.2
Diameter=137.4 km assuming a 5% albedo -- 6.4 sec chord
Diameter=56.1 km assuming a 30% albedo -- 2.6 sec chord
Dynamical classification is CENTAURR
Star training set for 600217, (2027/02/03 02:23UT) Object RA Dec mag sep mel Sirius 06:46:20.7 -16:45:12 -1.5 21.17 136 Alhena 06:39:16.6 +16:22:26 1.9 23.48 169 25 Mon 07:38:37.5 -04:10:24 5.1 3.46 144 PPM 177055 07:42:41.0 -01:36:23 8.0 0.70 146 PPM 177062 07:43:48.5 -00:52:59 9.0 0.09 146 600217 07:43:32.5 -00:56:28 15.9 146 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 29.5 km
RECON observability=0.2 and success probability=0.4%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 02:26:49 | -23.7 | Dark | Down | 21.6 | 122.4 | Low | 02:17:14 - 02:36:24 | 6333 |
| Kamloops | 02:27:12 | -14.7 | AT | Down | 14.2 | 109.5 | Really Low | 02:17:37 - 02:36:47 | 5970 |
| Kelowna | 02:27:13 | -15.1 | AT | Down | 15.0 | 110.0 | Really Low | 02:17:38 - 02:36:48 | 5903 |
| Peachland | 02:27:14 | -14.9 | AT | Down | 14.9 | 109.8 | Really Low | 02:17:39 - 02:36:49 | 5889 |
| Summerland | 02:27:14 | -15.0 | AT | Down | 15.0 | 109.8 | Really Low | 02:17:39 - 02:36:49 | 5875 |
| Penticton | 02:27:14 | -15.0 | AT | Down | 15.1 | 109.9 | Really Low | 02:17:39 - 02:36:49 | 5870 |
| Oliver | 02:27:16 | -15.0 | AT | Down | 15.2 | 109.8 | Really Low | 02:17:41 - 02:36:51 | 5836 |
| Anarchist Mountain Observatory | 02:27:15 | -15.1 | AT | Down | 15.4 | 109.9 | Really Low | 02:17:40 - 02:36:50 | 5822 |
| Tonasket | 02:27:15 | -15.0 | AT | Down | 15.4 | 109.8 | Really Low | 02:17:40 - 02:36:50 | 5791 |
| Okanogan | 02:27:17 | -14.8 | AT | Down | 15.5 | 109.6 | Really Low | 02:17:42 - 02:36:52 | 5755 |
| Brewster | 02:27:16 | -14.7 | AT | Down | 15.4 | 109.3 | Really Low | 02:17:41 - 02:36:51 | 5726 |
| Victoria | 02:27:20 | -12.4 | AT | Down | 13.0 | 106.6 | Really Low | 02:17:45 - 02:36:55 | 5721 |
| Manson/Chelan | 02:27:18 | -14.4 | AT | Down | 15.3 | 109.0 | Really Low | 02:17:43 - 02:36:53 | 5700 |
| Wenatchee | 02:27:19 | -14.2 | AT | Down | 15.3 | 108.7 | Really Low | 02:17:44 - 02:36:54 | 5651 |
| Ellensburg | 02:27:20 | -14.0 | AT | Down | 15.3 | 108.5 | Really Low | 02:17:45 - 02:36:55 | 5606 |
| Yakima | 02:27:20 | -13.9 | AT | Down | 15.4 | 108.3 | Really Low | 02:17:45 - 02:36:55 | 5565 |
| Toppenish/White Swan | 02:27:21 | -14.0 | AT | Down | 15.6 | 108.4 | Really Low | 02:17:46 - 02:36:56 | 5546 |
| PNWRO | 02:27:19 | -15.0 | AT | Down | 16.7 | 109.5 | Really Low | 02:17:44 - 02:36:54 | 5531 |
| Goldendale | 02:27:22 | -13.6 | AT | Down | 15.5 | 107.9 | Really Low | 02:17:47 - 02:36:57 | 5485 |
| The Dalles | 02:27:23 | -13.3 | AT | Down | 15.3 | 107.6 | Really Low | 02:17:48 - 02:36:58 | 5457 |
| Maupin | 02:27:23 | -13.3 | AT | Down | 15.5 | 107.6 | Really Low | 02:17:48 - 02:36:58 | 5416 |
| Sisters | 02:27:25 | -12.8 | AT | Down | 15.5 | 107.0 | Really Low | 02:17:50 - 02:37:00 | 5320 |
| Bend | 02:27:25 | -13.0 | AT | Down | 15.7 | 107.1 | Really Low | 02:17:50 - 02:37:00 | 5299 |
| Oregon Observatory | 02:27:26 | -12.8 | AT | Down | 15.7 | 107.0 | Really Low | 02:17:51 - 02:37:01 | 5280 |
| North Lake | 02:27:26 | -13.1 | AT | Down | 16.2 | 107.2 | Really Low | 02:17:51 - 02:37:01 | 5222 |
| Dunrhomin | 02:27:01 | -24.4 | Dark | Down | 28.1 | 118.4 | Low | 02:17:26 - 02:36:36 | 5220 |
| Chiloquin | 02:27:27 | -12.3 | AT | Down | 15.8 | 106.3 | Really Low | 02:17:52 - 02:37:02 | 5138 |
| Lakeview | 02:27:26 | -13.3 | AT | Down | 16.9 | 107.3 | Really Low | 02:17:51 - 02:37:01 | 5121 |
| Klamath Falls | 02:27:28 | -12.3 | AT | Down | 15.9 | 106.3 | Really Low | 02:17:53 - 02:37:03 | 5104 |
| Cedarville | 02:27:27 | -13.3 | AT | Down | 17.3 | 107.2 | Really Low | 02:17:52 - 02:37:02 | 5056 |
| Fall River/Burney | 02:27:29 | -12.3 | AT | Down | 16.5 | 106.2 | Really Low | 02:17:54 - 02:37:04 | 4987 |
| Susanville | 02:27:29 | -12.8 | AT | Down | 17.2 | 106.6 | Really Low | 02:17:54 - 02:37:04 | 4933 |
| Gimple | 02:27:29 | -12.6 | AT | Down | 17.2 | 106.3 | Really Low | 02:17:54 - 02:37:04 | 4901 |
| Greenville | 02:27:30 | -12.5 | AT | Down | 17.1 | 106.3 | Really Low | 02:17:55 - 02:37:05 | 4900 |
| Quincy | 02:27:30 | -12.5 | AT | Down | 17.2 | 106.2 | Really Low | 02:17:55 - 02:37:05 | 4879 |
| Portola | 02:27:29 | -12.8 | AT | Down | 17.6 | 106.5 | Really Low | 02:17:54 - 02:37:04 | 4873 |
| Reno | 02:27:28 | -13.2 | AT | Down | 18.1 | 106.9 | Really Low | 02:17:53 - 02:37:03 | 4856 |
| Carson City | 02:27:29 | -13.2 | AT | Down | 18.2 | 106.8 | Really Low | 02:17:54 - 02:37:04 | 4818 |
| Yerington | 02:27:28 | -13.6 | AT | Down | 18.8 | 107.2 | Really Low | 02:17:53 - 02:37:03 | 4808 |
| Gardnerville | 02:27:29 | -13.2 | AT | Down | 18.3 | 106.8 | Really Low | 02:17:54 - 02:37:04 | 4794 |
| Hawthorne | 02:27:28 | -13.9 | AT | Down | 19.3 | 107.4 | Really Low | 02:17:53 - 02:37:03 | 4769 |
| Tonopah | 02:27:26 | -15.0 | AT | Down | 20.5 | 108.2 | Low | 02:17:51 - 02:37:01 | 4745 |
| Lee Vining | 02:27:29 | -13.5 | AT | Down | 19.1 | 106.9 | Really Low | 02:17:54 - 02:37:04 | 4701 |
| Bishop | 02:27:28 | -13.9 | AT | Down | 19.8 | 107.2 | Really Low | 02:17:53 - 02:37:03 | 4651 |
| Beatty | 02:27:26 | -15.1 | AT | Down | 21.2 | 108.2 | Low | 02:17:51 - 02:37:01 | 4631 |
| Indian Springs | 02:27:24 | -15.9 | AT | Down | 22.1 | 108.8 | Low | 02:17:49 - 02:36:59 | 4617 |
| Henderson | 02:27:24 | -16.4 | AT | Down | 22.8 | 109.1 | Low | 02:17:49 - 02:36:59 | 4575 |
| Patrick | 02:27:22 | -17.2 | AT | Down | 23.9 | 109.6 | Low | 02:17:47 - 02:36:57 | 4531 |
| Kingman/Dolan Springs | 02:27:22 | -17.0 | AT | Down | 23.8 | 109.4 | Low | 02:17:47 - 02:36:57 | 4504 |
| Laughlin/Bullhead City | 02:27:23 | -16.6 | AT | Down | 23.4 | 109.0 | Low | 02:17:48 - 02:36:58 | 4491 |
| Mohave Valley | 02:27:24 | -16.5 | AT | Down | 23.5 | 108.9 | Low | 02:17:49 - 02:36:59 | 4463 |
| Lake Havasu City | 02:27:23 | -16.7 | AT | Down | 23.8 | 108.9 | Low | 02:17:48 - 02:36:58 | 4425 |
| George/Scottsdale | 02:27:19 | -18.6 | Dark | Down | 26.0 | 110.2 | Low | 02:17:44 - 02:36:54 | 4396 |
| Parker | 02:27:23 | -16.6 | AT | Down | 24.0 | 108.8 | Low | 02:17:48 - 02:36:58 | 4389 |
| Wildwood | 02:27:31 | -13.1 | AT | Down | 20.6 | 105.9 | Low | 02:17:56 - 02:37:06 | 4301 |
| Idyllwild | 02:27:28 | -14.6 | AT | Down | 22.2 | 107.0 | Low | 02:17:53 - 02:37:03 | 4298 |
| Calipatria | 02:27:26 | -15.5 | AT | Down | 23.3 | 107.5 | Low | 02:17:51 - 02:37:01 | 4256 |
| Yuma | 02:27:25 | -16.1 | AT | Down | 24.1 | 107.9 | Low | 02:17:50 - 02:37:00 | 4228 |
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 600217, (2027/02/03 02:23UT) Object RA Dec mag sep mel Sirius 06:45:08.0 -16:43:25 -1.5 21.17 136 Alhena 06:37:42.8 +16:23:56 1.9 23.48 169 25 Mon 07:37:16.6 -04:06:39 5.1 3.46 144 PPM 177055 07:41:18.6 -01:32:30 8.0 0.70 146 PPM 177062 07:42:25.7 -00:49:03 9.0 0.09 146 600217 07:42:09.7 -00:52:33 15.9 146 Positions are for J2000
Event circumstances last updated at 2022/01/21 23:52:15 UT
Marc W. Buie, Southwest Research Institute