Event between 00WO183 and star GA1120:01893966 with event index number of 1993835
Geocentric closest approach at 2021/12/19 13:24:53 UTC
J2000 position of star is 06:11:52.9 +22:14:36
Equinox of date position of star is 06:13:12.4 +22:14:12
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 4 degrees from the moon.
Moon is 100% illuminated.
TNO apparent brightness V=23.8
[RECON map]
TNO is 42.6 AU from the Sun
and 41.6 AU from the Earth.
The TNO is moving 25.5
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 192 seconds.
The 1-sigma cross-track error in the shadow position is
1571 km.
The sky-plane scale is
30150.6 km/arcsec.
The TNO has an absolute magnitude Hv=7.5
Diameter=195.9 km assuming a 5% albedo -- 7.6 sec chord
Diameter=80.0 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is CLASSICAL
Star training set for 00WO183, (2021/12/19 13:30UT) Object RA Dec mag sep mel Betelgeuse 05:56:21.7 +07:24:34 0.4 15.37 19 Alhena 06:38:58.8 +16:22:43 1.9 8.44 12 7Eta Gem 06:16:12.3 +22:29:54 4.5 0.74 4 PPM 095514 06:10:52.0 +22:11:05 6.9 0.54 4 PPM 095601 06:13:55.4 +22:26:55 9.7 0.27 4 00WO183 06:13:12.4 +22:14:12 16.8 4 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
4.7 sigma about the mid-time.
The median site spacing is 16.4 km
RECON observability=0.8 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 | 13:22:23 | -15.1 | AT | Up | 17.3 | 284.2 | Really Low | 13:07:23 - 13:37:23 | 10160 |
| Kamloops | 13:22:23 | -23.5 | Dark | Up | 26.0 | 274.0 | Low | 13:07:23 - 13:37:23 | 9686 |
| Kelowna | 13:22:20 | -22.8 | Dark | Up | 25.4 | 275.0 | Low | 13:07:20 - 13:37:20 | 9652 |
| Peachland | 13:22:19 | -23.0 | Dark | Up | 25.6 | 274.8 | Low | 13:07:19 - 13:37:19 | 9636 |
| Summerland | 13:22:19 | -22.9 | Dark | Up | 25.5 | 275.0 | Low | 13:07:19 - 13:37:19 | 9628 |
| Penticton | 13:22:18 | -22.8 | Dark | Up | 25.4 | 275.1 | Low | 13:07:18 - 13:37:18 | 9626 |
| Oliver | 13:22:17 | -22.8 | Dark | Up | 25.4 | 275.3 | Low | 13:07:17 - 13:37:17 | 9600 |
| Anarchist Mountain Observatory | 13:22:16 | -22.6 | Dark | Up | 25.2 | 275.5 | Low | 13:07:16 - 13:37:16 | 9593 |
| Tonasket | 13:22:15 | -22.6 | Dark | Up | 25.3 | 275.6 | Low | 13:07:15 - 13:37:15 | 9568 |
| Okanogan | 13:22:15 | -22.7 | Dark | Up | 25.3 | 275.6 | Low | 13:07:15 - 13:37:15 | 9539 |
| Brewster | 13:22:14 | -22.7 | Dark | Up | 25.4 | 275.6 | Low | 13:07:14 - 13:37:14 | 9513 |
| Manson/Chelan | 13:22:13 | -23.0 | Dark | Up | 25.7 | 275.4 | Low | 13:07:13 - 13:37:13 | 9488 |
| Wenatchee | 13:22:11 | -23.0 | Dark | Up | 25.7 | 275.5 | Low | 13:07:11 - 13:37:11 | 9447 |
| Victoria | 13:22:18 | -25.2 | Dark | Up | 27.9 | 272.8 | Low | 13:07:18 - 13:37:18 | 9446 |
| Ellensburg | 13:22:11 | -23.1 | Dark | Up | 25.9 | 275.6 | Low | 13:07:11 - 13:37:11 | 9409 |
| Pasco | 13:22:07 | -22.0 | Dark | Up | 24.8 | 276.9 | Low | 13:07:07 - 13:37:07 | 9393 |
| PNWRO | 13:22:07 | -21.8 | Dark | Up | 24.6 | 277.2 | Low | 13:07:07 - 13:37:07 | 9381 |
| Yakima | 13:22:09 | -23.0 | Dark | Up | 25.8 | 275.8 | Low | 13:07:09 - 13:37:09 | 9378 |
| Toppenish/White Swan | 13:22:09 | -22.9 | Dark | Up | 25.7 | 276.0 | Low | 13:07:09 - 13:37:09 | 9366 |
| Dunrhomin | 13:21:45 | -10.6 | NT | Up | 13.7 | 287.7 | Really Low | 13:06:45 - 13:36:45 | 9363 |
| Goldendale | 13:22:07 | -23.1 | Dark | Up | 25.9 | 275.9 | Low | 13:07:07 - 13:37:07 | 9311 |
| The Dalles | 13:22:06 | -23.3 | Dark | Up | 26.2 | 275.8 | Low | 13:07:06 - 13:37:06 | 9283 |
| Maupin | 13:22:06 | -23.1 | Dark | Up | 26.0 | 276.1 | Low | 13:07:06 - 13:37:06 | 9253 |
| Redmond | 13:22:02 | -23.0 | Dark | Up | 26.0 | 276.4 | Low | 13:07:02 - 13:37:02 | 9179 |
| Sisters | 13:22:03 | -23.3 | Dark | Up | 26.3 | 276.2 | Low | 13:07:03 - 13:37:03 | 9169 |
| Bend | 13:22:02 | -23.1 | Dark | Up | 26.1 | 276.5 | Low | 13:07:02 - 13:37:02 | 9158 |
| Oregon Observatory | 13:22:02 | -23.1 | Dark | Up | 26.2 | 276.5 | Low | 13:07:02 - 13:37:02 | 9140 |
| La Pine/Gilchrist | 13:22:01 | -23.1 | Dark | Up | 26.2 | 276.5 | Low | 13:07:01 - 13:37:01 | 9122 |
| North Lake | 13:21:59 | -22.6 | Dark | Up | 25.7 | 277.1 | Low | 13:06:59 - 13:36:59 | 9105 |
| Paisley | 13:21:57 | -22.3 | Dark | Up | 25.4 | 277.6 | Low | 13:06:57 - 13:36:57 | 9071 |
| Lakeview | 13:21:56 | -22.0 | Dark | Up | 25.2 | 277.9 | Low | 13:06:56 - 13:36:56 | 9035 |
| Chiloquin | 13:21:58 | -23.2 | Dark | Up | 26.3 | 276.8 | Low | 13:06:58 - 13:36:58 | 9020 |
| Klamath Falls | 13:21:57 | -23.1 | Dark | Up | 26.2 | 277.0 | Low | 13:06:57 - 13:36:57 | 8995 |
| Cedarville | 13:21:54 | -21.8 | Dark | Up | 25.0 | 278.4 | Low | 13:06:54 - 13:36:54 | 8987 |
| Fall River/Burney | 13:21:53 | -22.6 | Dark | Up | 25.8 | 277.8 | Low | 13:06:53 - 13:36:53 | 8909 |
| Susanville | 13:21:51 | -21.9 | Dark | Up | 25.2 | 278.6 | Low | 13:06:51 - 13:36:51 | 8879 |
| Gimple | 13:21:51 | -22.0 | Dark | Up | 25.3 | 278.6 | Low | 13:06:51 - 13:36:51 | 8849 |
| Greenville | 13:21:51 | -22.1 | Dark | Up | 25.4 | 278.5 | Low | 13:06:51 - 13:36:51 | 8847 |
| Portola | 13:21:49 | -21.6 | Dark | Up | 24.9 | 279.0 | Low | 13:06:49 - 13:36:49 | 8835 |
| Reno | 13:21:48 | -21.1 | Dark | Up | 24.4 | 279.5 | Low | 13:06:48 - 13:36:48 | 8833 |
| Quincy | 13:21:51 | -22.0 | Dark | Up | 25.3 | 278.6 | Low | 13:06:51 - 13:36:51 | 8830 |
| Yerington | 13:21:46 | -20.5 | Dark | Up | 23.8 | 280.1 | Low | 13:06:46 - 13:36:46 | 8807 |
| Carson City | 13:21:47 | -21.0 | Dark | Up | 24.3 | 279.6 | Low | 13:06:47 - 13:36:47 | 8803 |
| Tonopah | 13:21:41 | -18.8 | Dark | Up | 22.2 | 281.5 | Low | 13:06:41 - 13:36:41 | 8792 |
| Hawthorne | 13:21:45 | -19.9 | Dark | Up | 23.3 | 280.6 | Low | 13:06:45 - 13:36:45 | 8785 |
| Gardnerville | 13:21:46 | -20.9 | Dark | Up | 24.3 | 279.8 | Low | 13:06:46 - 13:36:46 | 8784 |
| Lee Vining | 13:21:43 | -20.2 | Dark | Up | 23.6 | 280.5 | Low | 13:06:43 - 13:36:43 | 8721 |
| Indian Springs | 13:21:37 | -17.2 | AT | Up | 20.7 | 282.9 | Low | 13:06:37 - 13:36:37 | 8716 |
| Beatty | 13:21:39 | -18.1 | Dark | Up | 21.6 | 282.2 | Low | 13:06:39 - 13:36:39 | 8708 |
| Henderson | 13:21:35 | -16.5 | AT | Up | 20.0 | 283.5 | Low | 13:06:35 - 13:36:35 | 8694 |
| Bishop | 13:21:41 | -19.5 | Dark | Up | 23.0 | 281.2 | Low | 13:06:41 - 13:36:41 | 8693 |
| Patrick | 13:21:33 | -15.5 | AT | Up | 19.0 | 284.3 | Really Low | 13:06:33 - 13:36:33 | 8679 |
| Kingman/Dolan Springs | 13:21:32 | -15.5 | AT | Up | 19.1 | 284.2 | Really Low | 13:06:32 - 13:36:32 | 8653 |
| Laughlin/Bullhead City | 13:21:33 | -15.9 | AT | Up | 19.5 | 284.0 | Really Low | 13:06:33 - 13:36:33 | 8633 |
| Mohave Valley | 13:21:32 | -15.8 | AT | Up | 19.4 | 284.1 | Really Low | 13:06:32 - 13:36:32 | 8609 |
| George/Scottsdale | 13:21:27 | -13.4 | AT | Up | 17.0 | 285.8 | Really Low | 13:06:27 - 13:36:27 | 8602 |
| Lake Havasu City | 13:21:31 | -15.5 | AT | Up | 19.1 | 284.3 | Really Low | 13:06:31 - 13:36:31 | 8583 |
| Parker | 13:21:30 | -15.4 | AT | Up | 19.0 | 284.5 | Really Low | 13:06:30 - 13:36:30 | 8554 |
| Blythe | 13:21:29 | -15.5 | AT | Up | 19.1 | 284.5 | Really Low | 13:06:29 - 13:36:29 | 8497 |
| CPSLO | 13:21:37 | -20.7 | Dark | Up | 24.4 | 280.9 | Low | 13:06:37 - 13:36:37 | 8437 |
| Idyllwild | 13:21:30 | -17.2 | AT | Up | 20.9 | 283.4 | Low | 13:06:30 - 13:36:30 | 8434 |
| Calipatria | 13:21:28 | -16.1 | AT | Up | 19.8 | 284.2 | Really Low | 13:06:28 - 13:36:28 | 8421 |
| Yuma | 13:21:26 | -15.2 | AT | Up | 18.9 | 284.8 | Really Low | 13:06:26 - 13:36:26 | 8414 |
| Wildwood | 13:21:32 | -18.8 | Dark | Up | 22.5 | 282.4 | Low | 13:06:32 - 13:36:32 | 8400 |
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 00WO183, (2021/12/19 13:30UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 15.37 19 Alhena 06:37:42.8 +16:23:57 1.9 8.44 12 7Eta Gem 06:14:52.6 +22:30:24 4.5 0.74 4 PPM 095514 06:09:32.5 +22:11:24 6.9 0.54 4 PPM 095601 06:12:35.8 +22:27:20 9.7 0.27 4 00WO183 06:11:52.9 +22:14:36 16.8 4 Positions are for J2000
Event circumstances last updated at 2021/12/18 01:44:49 UT
Marc W. Buie, Southwest Research Institute