Event between (600217) 11QY100 and star GA0880:02837772 with event index number of 2730962
Geocentric closest approach at 2026/02/09 09:01:46 UTC
J2000 position of star is 07:20:31.5 -01:15:35
Equinox of date position of star is 07:21:38.6 -01:18:08
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 112 degrees from the moon.
Moon is 52% illuminated.
TNO apparent brightness V=21.5
[RECON map]
TNO is 20.7 AU from the Sun
and 19.9 AU from the Earth.
The TNO is moving 19.7
km/sec on the sky relative to the star, or,
4.9 arcsec/hr.
The 1-sigma error in the time of the event is 88 seconds.
The 1-sigma cross-track error in the shadow position is
1173 km.
The sky-plane scale is
14437.8 km/arcsec.
The TNO has an absolute magnitude Hv=8.2
Diameter=137.4 km assuming a 5% albedo -- 7.0 sec chord
Diameter=56.1 km assuming a 30% albedo -- 2.8 sec chord
Dynamical classification is CENTAURR
Star training set for 600217, (2026/02/09 09:02UT) Object RA Dec mag sep mel Sirius 06:46:18.0 -16:45:08 -1.5 17.75 113 Alhena 06:39:13.2 +16:22:29 1.9 20.58 129 PPM 152483 07:23:23.9 +00:07:33 5.8 1.49 113 PPM 176847 07:21:10.0 -01:22:09 7.9 0.18 113 PPM 176853 07:21:54.7 -01:15:26 8.7 0.06 112 600217 07:21:51.0 -01:18:37 16.5 112 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 9.4 km
RECON observability=1.0 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 | 09:01:35 | -47.2 | Dark | Up | 17.5 | 243.7 | Really Low | 08:53:46 - 09:09:23 | 6764 |
| Dunrhomin | 09:00:35 | -55.5 | Dark | Up | 22.0 | 248.1 | Low | 08:52:46 - 09:08:23 | 6431 |
| Kamloops | 09:01:55 | -52.7 | Dark | Down | 25.8 | 231.1 | Low | 08:54:06 - 09:09:43 | 6421 |
| Kelowna | 09:01:49 | -53.3 | Dark | Down | 25.9 | 232.2 | Low | 08:54:01 - 09:09:38 | 6420 |
| Peachland | 09:01:50 | -53.5 | Dark | Down | 26.1 | 232.0 | Low | 08:54:01 - 09:09:38 | 6410 |
| Penticton | 09:01:47 | -53.7 | Dark | Down | 26.1 | 232.2 | Low | 08:53:58 - 09:09:35 | 6408 |
| Summerland | 09:01:48 | -53.6 | Dark | Down | 26.1 | 232.1 | Low | 08:53:59 - 09:09:36 | 6407 |
| Anarchist Mountain Observatory | 09:01:44 | -54.1 | Dark | Down | 26.3 | 232.6 | Low | 08:53:56 - 09:09:33 | 6398 |
| Oliver | 09:01:46 | -54.0 | Dark | Down | 26.3 | 232.4 | Low | 08:53:57 - 09:09:34 | 6398 |
| Tonasket | 09:01:42 | -54.4 | Dark | Down | 26.6 | 232.7 | Low | 08:53:54 - 09:09:31 | 6386 |
| Okanogan | 09:01:42 | -54.8 | Dark | Down | 26.9 | 232.6 | Low | 08:53:53 - 09:09:30 | 6372 |
| Brewster | 09:01:43 | -55.1 | Dark | Down | 27.1 | 232.6 | Low | 08:53:54 - 09:09:31 | 6358 |
| Manson/Chelan | 09:01:42 | -55.3 | Dark | Down | 27.5 | 232.3 | Low | 08:53:53 - 09:09:30 | 6341 |
| Wenatchee | 09:01:40 | -55.8 | Dark | Down | 27.8 | 232.3 | Low | 08:53:51 - 09:09:28 | 6321 |
| PNWRO | 09:01:30 | -56.8 | Dark | Down | 27.9 | 234.2 | Low | 08:53:42 - 09:09:19 | 6311 |
| Ellensburg | 09:01:38 | -56.3 | Dark | Down | 28.2 | 232.3 | Low | 08:53:50 - 09:09:27 | 6301 |
| Yakima | 09:01:37 | -56.7 | Dark | Down | 28.5 | 232.4 | Low | 08:53:48 - 09:09:25 | 6286 |
| Toppenish/White Swan | 09:01:35 | -56.8 | Dark | Down | 28.5 | 232.7 | Low | 08:53:46 - 09:09:23 | 6283 |
| Victoria | 09:01:52 | -55.4 | Dark | Down | 28.7 | 228.9 | Low | 08:54:03 - 09:09:40 | 6273 |
| Goldendale | 09:01:34 | -57.4 | Dark | Down | 29.1 | 232.5 | Low | 08:53:46 - 09:09:23 | 6251 |
| The Dalles | 09:01:34 | -57.7 | Dark | Down | 29.4 | 232.3 | Low | 08:53:45 - 09:09:22 | 6232 |
| Maupin | 09:01:33 | -58.1 | Dark | Down | 29.6 | 232.5 | Low | 08:53:44 - 09:09:21 | 6219 |
| Sisters | 09:01:29 | -59.1 | Dark | Down | 30.5 | 232.5 | Up | 08:53:41 - 09:09:18 | 6172 |
| Bend | 09:01:27 | -59.2 | Dark | Down | 30.5 | 232.8 | Up | 08:53:39 - 09:09:16 | 6170 |
| Oregon Observatory | 09:01:27 | -59.4 | Dark | Down | 30.6 | 232.8 | Up | 08:53:39 - 09:09:16 | 6159 |
| North Lake | 09:01:23 | -59.9 | Dark | Down | 30.7 | 233.6 | Up | 08:53:34 - 09:09:11 | 6149 |
| Lakeview | 09:01:17 | -60.7 | Dark | Down | 31.0 | 234.6 | Up | 08:53:29 - 09:09:06 | 6121 |
| Cedarville | 09:01:14 | -61.3 | Dark | Down | 31.3 | 235.1 | Up | 08:53:26 - 09:09:03 | 6098 |
| Chiloquin | 09:01:23 | -60.8 | Dark | Down | 31.7 | 233.0 | Up | 08:53:35 - 09:09:12 | 6092 |
| Klamath Falls | 09:01:21 | -61.1 | Dark | Down | 31.8 | 233.2 | Up | 08:53:32 - 09:09:09 | 6080 |
| Fall River/Burney | 09:01:15 | -62.1 | Dark | Down | 32.3 | 234.2 | Up | 08:53:27 - 09:09:04 | 6039 |
| Susanville | 09:01:10 | -62.4 | Dark | Down | 32.2 | 235.2 | Up | 08:53:22 - 09:08:59 | 6033 |
| Tonopah | 09:00:51 | -63.3 | Dark | Up | 31.3 | 239.4 | Up | 08:53:03 - 09:08:40 | 6027 |
| Reno | 09:01:04 | -63.0 | Dark | Up | 32.2 | 236.4 | Up | 08:53:16 - 09:08:53 | 6019 |
| Gimple | 09:01:10 | -62.8 | Dark | Down | 32.5 | 235.1 | Up | 08:53:21 - 09:08:58 | 6014 |
| Yerington | 09:01:00 | -63.2 | Dark | Up | 32.1 | 237.2 | Up | 08:53:11 - 09:08:48 | 6013 |
| Greenville | 09:01:10 | -62.8 | Dark | Down | 32.6 | 235.0 | Up | 08:53:21 - 09:08:58 | 6011 |
| Portola | 09:01:07 | -62.9 | Dark | Down | 32.5 | 235.6 | Up | 08:53:19 - 09:08:56 | 6011 |
| Hawthorne | 09:00:57 | -63.5 | Dark | Up | 32.0 | 237.9 | Up | 08:53:08 - 09:08:45 | 6007 |
| Carson City | 09:01:02 | -63.3 | Dark | Up | 32.4 | 236.6 | Up | 08:53:14 - 09:08:51 | 6003 |
| Quincy | 09:01:09 | -63.0 | Dark | Down | 32.7 | 235.1 | Up | 08:53:21 - 09:08:58 | 6002 |
| Indian Springs | 09:00:40 | -63.8 | Dark | Up | 31.0 | 241.4 | Up | 08:52:52 - 09:08:29 | 5999 |
| Patrick | 09:00:31 | -63.8 | Dark | Up | 30.3 | 243.5 | Up | 08:52:43 - 09:08:20 | 5993 |
| Gardnerville | 09:01:02 | -63.5 | Dark | Up | 32.5 | 236.7 | Up | 08:53:13 - 09:08:50 | 5992 |
| Henderson | 09:00:36 | -63.9 | Dark | Up | 30.8 | 242.3 | Up | 08:52:47 - 09:08:24 | 5992 |
| Beatty | 09:00:45 | -64.1 | Dark | Up | 31.6 | 240.4 | Up | 08:52:56 - 09:08:33 | 5983 |
| Kingman/Dolan Springs | 09:00:30 | -64.1 | Dark | Up | 30.5 | 243.4 | Up | 08:52:41 - 09:08:18 | 5976 |
| Lee Vining | 09:00:55 | -64.1 | Dark | Up | 32.6 | 237.8 | Up | 08:53:07 - 09:08:44 | 5965 |
| George/Scottsdale | 09:00:18 | -63.9 | Dark | Up | 29.6 | 245.9 | Low | 08:52:30 - 09:08:07 | 5961 |
| Laughlin/Bullhead City | 09:00:31 | -64.4 | Dark | Up | 30.9 | 243.0 | Up | 08:52:43 - 09:08:20 | 5959 |
| Bishop | 09:00:51 | -64.4 | Dark | Up | 32.5 | 238.7 | Up | 08:53:03 - 09:08:40 | 5957 |
| Mohave Valley | 09:00:30 | -64.6 | Dark | Up | 31.0 | 243.2 | Up | 08:52:41 - 09:08:18 | 5945 |
| Lake Havasu City | 09:00:28 | -64.8 | Dark | Up | 31.0 | 243.6 | Up | 08:52:39 - 09:08:16 | 5931 |
| Parker | 09:00:26 | -65.0 | Dark | Up | 31.2 | 243.8 | Up | 08:52:37 - 09:08:14 | 5914 |
| Yuma | 09:00:20 | -66.3 | Dark | Up | 32.1 | 244.3 | Up | 08:52:32 - 09:08:09 | 5825 |
| Calipatria | 09:00:25 | -66.5 | Dark | Up | 32.6 | 243.4 | Up | 08:52:36 - 09:08:13 | 5821 |
| Idyllwild | 09:00:31 | -66.6 | Dark | Up | 33.1 | 242.1 | Up | 08:52:43 - 09:08:20 | 5820 |
| Wildwood | 09:00:37 | -67.3 | Dark | Up | 34.3 | 240.4 | Up | 08:52:49 - 09:08:26 | 5779 |
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, (2026/02/09 09:02UT) Object RA Dec mag sep mel Sirius 06:45:08.0 -16:43:25 -1.5 17.75 113 Alhena 06:37:42.8 +16:23:56 1.9 20.58 129 PPM 152483 07:22:03.5 +00:10:37 5.8 1.49 113 PPM 176847 07:19:50.5 -01:19:09 7.9 0.18 113 PPM 176853 07:20:35.1 -01:12:25 8.7 0.06 112 600217 07:20:31.5 -01:15:35 16.5 112 Positions are for J2000
Event circumstances last updated at 2022/01/10 23:25:48 UT
Marc W. Buie, Southwest Research Institute