Event between (471325) 11KT19 and star GA1020:03961503 with event index number of 2381361
Geocentric closest approach at 2022/03/25 10:18:37 UTC
J2000 position of star is 15:52:13.0 +13:20:43
Equinox of date position of star is 15:53:14.1 +13:16:53
Stellar brightness G=16.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 56 degrees from the moon.
Moon is 48% illuminated.
TNO apparent brightness V=22.2
[RECON map]
TNO is 28.7 AU from the Sun
and 28.2 AU from the Earth.
The TNO is moving 28.1
km/sec on the sky relative to the star, or,
5.0 arcsec/hr.
The 1-sigma error in the time of the event is 41 seconds.
The 1-sigma cross-track error in the shadow position is
1107 km.
The sky-plane scale is
20421.0 km/arcsec.
The TNO has an absolute magnitude Hv=7.5
Diameter=193.2 km assuming a 5% albedo -- 6.9 sec chord
Diameter=78.9 km assuming a 30% albedo -- 2.8 sec chord
Dynamical classification is CENTAURR
Star training set for 471325, (2022/03/25 10:19UT) Object RA Dec mag sep mel Arcturus 14:16:40.6 +19:04:04 0.0 23.88 77 Unukalhai 15:45:21.9 +06:21:26 2.6 7.19 53 39 Ser 15:54:14.3 +13:07:43 6.1 0.28 56 PPM 131767 15:53:24.7 +13:20:25 9.1 0.07 56 471325 15:53:15.3 +13:16:48 16.3 56 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 19.7 km
RECON observability=1.0 and success probability=31.5%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Dunrhomin | 10:20:08 | -29.0 | Dark | Up | 62.7 | 168.7 | Up | 10:16:11 - 10:24:05 | 1291 |
Clarence Fulton | 10:20:56 | -30.1 | Dark | Down | 49.9 | 150.1 | Up | 10:16:59 - 10:24:53 | 1178 |
Kelowna | 10:20:55 | -30.5 | Dark | Down | 50.2 | 149.6 | Up | 10:16:58 - 10:24:52 | 1140 |
Peachland | 10:20:56 | -30.7 | Dark | Down | 50.2 | 149.2 | Up | 10:16:59 - 10:24:53 | 1117 |
Penticton | 10:20:55 | -30.8 | Dark | Down | 50.4 | 149.3 | Up | 10:16:58 - 10:24:52 | 1111 |
Summerland | 10:20:55 | -30.8 | Dark | Down | 50.3 | 149.2 | Up | 10:16:58 - 10:24:52 | 1110 |
Oliver | 10:20:54 | -31.0 | Dark | Down | 50.7 | 149.1 | Up | 10:16:57 - 10:24:51 | 1083 |
Anarchist Mountain Observatory | 10:20:53 | -31.1 | Dark | Down | 50.9 | 149.3 | Up | 10:16:56 - 10:24:50 | 1080 |
Tonasket | 10:20:52 | -31.3 | Dark | Down | 51.2 | 149.0 | Up | 10:16:55 - 10:24:49 | 1053 |
Okanogan | 10:20:52 | -31.7 | Dark | Down | 51.4 | 148.5 | Up | 10:16:55 - 10:24:49 | 1019 |
Brewster | 10:20:52 | -32.0 | Dark | Down | 51.6 | 148.0 | Up | 10:16:55 - 10:24:49 | 988 |
Manson/Chelan | 10:20:52 | -32.3 | Dark | Down | 51.6 | 147.4 | Up | 10:16:55 - 10:24:49 | 952 |
Wenatchee | 10:20:52 | -32.7 | Dark | Down | 52.0 | 146.8 | Up | 10:16:55 - 10:24:49 | 906 |
Pasco | 10:20:47 | -33.0 | Dark | Down | 53.4 | 147.7 | Up | 10:16:50 - 10:24:44 | 880 |
PNWRO | 10:20:47 | -33.1 | Dark | Down | 53.7 | 147.9 | Up | 10:16:50 - 10:24:44 | 874 |
Ellensburg | 10:20:52 | -33.1 | Dark | Down | 52.2 | 146.2 | Up | 10:16:55 - 10:24:49 | 862 |
Victoria | 10:20:59 | -33.1 | Dark | Down | 49.9 | 143.2 | Up | 10:17:02 - 10:24:56 | 837 |
Yakima | 10:20:50 | -33.4 | Dark | Down | 52.5 | 145.8 | Up | 10:16:53 - 10:24:47 | 830 |
Toppenish/White Swan | 10:20:50 | -33.5 | Dark | Down | 52.8 | 145.9 | Up | 10:16:53 - 10:24:47 | 822 |
Goldendale | 10:20:49 | -34.1 | Dark | Down | 53.1 | 144.9 | Up | 10:16:52 - 10:24:46 | 755 |
The Dalles | 10:20:49 | -34.5 | Dark | Down | 53.1 | 144.2 | Up | 10:16:52 - 10:24:46 | 718 |
Maupin | 10:20:48 | -34.8 | Dark | Down | 53.5 | 144.0 | Up | 10:16:51 - 10:24:45 | 690 |
Redmond | 10:20:47 | -35.5 | Dark | Down | 54.2 | 143.1 | Up | 10:16:50 - 10:24:44 | 613 |
Sisters | 10:20:48 | -35.6 | Dark | Down | 54.0 | 142.5 | Up | 10:16:51 - 10:24:45 | 593 |
Bend | 10:20:47 | -35.7 | Dark | Down | 54.3 | 142.7 | Up | 10:16:50 - 10:24:44 | 588 |
Oregon Observatory | 10:20:47 | -35.9 | Dark | Down | 54.4 | 142.4 | Up | 10:16:50 - 10:24:44 | 567 |
La Pine/Gilchrist | 10:20:46 | -36.1 | Dark | Down | 54.5 | 142.1 | Up | 10:16:49 - 10:24:43 | 547 |
North Lake | 10:20:44 | -36.1 | Dark | Up | 55.1 | 142.6 | Up | 10:16:47 - 10:24:41 | 546 |
Paisley | 10:20:43 | -36.4 | Dark | Up | 55.7 | 142.7 | Up | 10:16:46 - 10:24:40 | 523 |
Lakeview | 10:20:41 | -36.6 | Dark | Up | 56.2 | 142.5 | Up | 10:16:44 - 10:24:38 | 493 |
Cedarville | 10:20:40 | -37.0 | Dark | Up | 56.8 | 142.2 | Up | 10:16:43 - 10:24:37 | 451 |
Chiloquin | 10:20:45 | -37.1 | Dark | Up | 55.2 | 140.6 | Up | 10:16:48 - 10:24:42 | 438 |
Klamath Falls | 10:20:44 | -37.3 | Dark | Up | 55.5 | 140.4 | Up | 10:16:47 - 10:24:41 | 415 |
George/Scottsdale | 10:20:04 | -37.1 | Dark | Up | 66.9 | 148.9 | Up | 10:16:07 - 10:24:01 | 381 |
Patrick | 10:20:13 | -37.4 | Dark | Up | 64.6 | 146.7 | Up | 10:16:16 - 10:24:10 | 371 |
Tonopah | 10:20:26 | -37.8 | Dark | Up | 60.9 | 143.5 | Up | 10:16:29 - 10:24:23 | 357 |
Henderson | 10:20:17 | -37.8 | Dark | Up | 63.6 | 145.3 | Up | 10:16:20 - 10:24:14 | 345 |
Kingman/Dolan Springs | 10:20:12 | -37.7 | Dark | Up | 64.7 | 146.1 | Up | 10:16:15 - 10:24:09 | 342 |
Fall River/Burney | 10:20:41 | -38.0 | Dark | Up | 56.6 | 139.8 | Up | 10:16:44 - 10:24:38 | 341 |
Indian Springs | 10:20:19 | -37.9 | Dark | Up | 62.8 | 144.6 | Up | 10:16:22 - 10:24:16 | 340 |
Susanville | 10:20:38 | -38.1 | Dark | Up | 57.4 | 140.3 | Up | 10:16:41 - 10:24:35 | 334 |
Reno | 10:20:34 | -38.3 | Dark | Up | 58.5 | 140.7 | Up | 10:16:37 - 10:24:31 | 314 |
Yerington | 10:20:32 | -38.3 | Dark | Up | 59.2 | 141.2 | Up | 10:16:35 - 10:24:29 | 310 |
Hawthorne | 10:20:30 | -38.3 | Dark | Up | 59.9 | 141.6 | Up | 10:16:33 - 10:24:27 | 306 |
Laughlin/Bullhead City | 10:20:14 | -38.0 | Dark | Up | 64.5 | 145.0 | Up | 10:16:17 - 10:24:11 | 305 |
Gimple | 10:20:38 | -38.4 | Dark | Up | 57.5 | 139.7 | Up | 10:16:41 - 10:24:35 | 299 |
Portola | 10:20:36 | -38.4 | Dark | Up | 58.0 | 140.0 | Up | 10:16:39 - 10:24:33 | 297 |
Beatty | 10:20:22 | -38.3 | Dark | Up | 62.0 | 143.0 | Up | 10:16:25 - 10:24:19 | 296 |
Greenville | 10:20:38 | -38.4 | Dark | Up | 57.5 | 139.6 | Up | 10:16:41 - 10:24:35 | 295 |
Carson City | 10:20:33 | -38.5 | Dark | Up | 58.8 | 140.4 | Up | 10:16:36 - 10:24:30 | 287 |
Mohave Valley | 10:20:13 | -38.2 | Dark | Up | 64.7 | 144.7 | Up | 10:16:16 - 10:24:10 | 285 |
Quincy | 10:20:37 | -38.6 | Dark | Up | 57.6 | 139.4 | Up | 10:16:40 - 10:24:34 | 278 |
Lake Havasu City | 10:20:11 | -38.3 | Dark | Up | 65.1 | 144.7 | Up | 10:16:14 - 10:24:08 | 271 |
Gardnerville | 10:20:33 | -38.7 | Dark | Up | 59.0 | 140.2 | Up | 10:16:36 - 10:24:30 | 270 |
Parker | 10:20:10 | -38.5 | Dark | Up | 65.4 | 144.3 | Up | 10:16:13 - 10:24:07 | 247 |
Lee Vining | 10:20:29 | -39.0 | Dark | Up | 60.1 | 140.2 | Up | 10:16:32 - 10:24:26 | 231 |
Bishop | 10:20:26 | -39.0 | Dark | Up | 60.9 | 140.7 | Up | 10:16:29 - 10:24:23 | 229 |
Blythe | 10:20:10 | -39.0 | Dark | Up | 65.7 | 143.0 | Up | 10:16:13 - 10:24:07 | 187 |
Yuma | 10:20:07 | -39.5 | Dark | Up | 66.4 | 141.6 | Up | 10:16:10 - 10:24:04 | 114 |
Calipatria | 10:20:10 | -39.9 | Dark | Up | 65.6 | 140.5 | Up | 10:16:13 - 10:24:07 | 86 |
Idyllwild | 10:20:14 | -40.3 | Dark | Up | 64.5 | 139.1 | Up | 10:16:17 - 10:24:11 | 54 |
Wildwood | 10:20:19 | -41.3 | Dark | Up | 63.2 | 136.2 | Up | 10:16:22 - 10:24:16 | -42 |
CPSLO | 10:20:26 | -41.7 | Dark | Up | 61.2 | 134.4 | Up | 10:16:29 - 10:24:23 | -77 |
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 471325, (2022/03/25 10:19UT) Object RA Dec mag sep mel Arcturus 14:15:38.0 +19:10:14 0.0 23.88 77 Unukalhai 15:44:16.3 +06:25:33 2.6 7.19 53 39 Ser 15:53:11.9 +13:11:36 6.1 0.28 56 PPM 131767 15:52:22.3 +13:24:20 9.1 0.07 56 471325 15:52:13.0 +13:20:43 16.3 56 Positions are for J2000
Event circumstances last updated at 2021/10/11 01:46:59 UT
Marc W. Buie, Southwest Research Institute