Event between (555632) 14BZ57 and star GA0780:03850251 with event index number of 2471030
Geocentric closest approach at 2022/04/16 06:23:36 UTC
J2000 position of star is 09:39:47.9 -11:17:57
Equinox of date position of star is 09:40:52.8 -11:24:02
Stellar brightness G=14.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 54 degrees from the moon.
Moon is 100% illuminated.
TNO apparent brightness V=20.8
[RECON map]
TNO is 37.2 AU from the Sun
and 36.7 AU from the Earth.
The TNO is moving 15.1
km/sec on the sky relative to the star, or,
2.0 arcsec/hr.
The 1-sigma error in the time of the event is 105 seconds.
The 1-sigma cross-track error in the shadow position is
1745 km.
The sky-plane scale is
26586.2 km/arcsec.
The TNO has an absolute magnitude Hv=5.0
Diameter=605.4 km assuming a 5% albedo -- 40.1 sec chord
Diameter=247.1 km assuming a 30% albedo -- 16.4 sec chord
Dynamical classification is SCATEXTD
Star training set for 555632, (2022/04/16 06:23UT) Object RA Dec mag sep mel Regulus 10:09:33.4 +11:51:27 1.3 24.32 50 Alphard 09:28:41.0 -08:45:23 2.0 4.00 57 PPM 221648 09:33:00.8 -10:28:10 5.9 2.14 56 PPM 221847 09:41:25.3 -10:52:16 6.7 0.55 54 PPM 221825 09:40:34.7 -11:18:23 9.1 0.12 54 555632 09:40:53.0 -11:24:03 14.9 54 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 3.1 km
RECON observability=1.0 and success probability=8.6%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Dunrhomin | 06:25:24 | -39.0 | Dark | Up | 20.4 | 234.0 | Low | 06:16:07 - 06:34:41 | -1767 |
| CU-SBO | 06:25:23 | -39.2 | Dark | Up | 20.6 | 234.0 | Low | 06:16:06 - 06:34:40 | -1770 |
| Sleaford | 06:26:36 | -27.3 | Dark | Up | 13.4 | 230.7 | Really Low | 06:17:19 - 06:35:53 | -1928 |
| George/Scottsdale | 06:25:06 | -43.7 | Dark | Up | 28.6 | 230.7 | Low | 06:15:49 - 06:34:23 | -2087 |
| Patrick | 06:25:23 | -41.6 | Dark | Up | 28.8 | 228.4 | Low | 06:16:06 - 06:34:40 | -2160 |
| Kingman/Dolan Springs | 06:25:22 | -41.7 | Dark | Up | 29.0 | 228.3 | Low | 06:16:05 - 06:34:39 | -2172 |
| Lake Havasu City | 06:25:19 | -42.2 | Dark | Up | 29.7 | 228.3 | Low | 06:16:02 - 06:34:36 | -2195 |
| Laughlin/Bullhead City | 06:25:23 | -41.5 | Dark | Up | 29.4 | 227.8 | Low | 06:16:06 - 06:34:40 | -2198 |
| Parker | 06:25:17 | -42.6 | Dark | Up | 29.9 | 228.5 | Low | 06:16:00 - 06:34:34 | -2198 |
| Mohave Valley | 06:25:20 | -41.8 | Dark | Up | 29.5 | 227.9 | Low | 06:16:03 - 06:34:37 | -2202 |
| Henderson | 06:25:30 | -40.6 | Dark | Up | 29.0 | 227.1 | Low | 06:16:13 - 06:34:47 | -2207 |
| Indian Springs | 06:25:34 | -39.9 | Dark | Up | 29.0 | 226.3 | Low | 06:16:17 - 06:34:51 | -2234 |
| Yuma | 06:25:09 | -43.8 | Dark | Up | 31.1 | 228.8 | Up | 06:15:52 - 06:34:26 | -2238 |
| Calipatria | 06:25:16 | -43.0 | Dark | Up | 31.3 | 227.9 | Up | 06:15:59 - 06:34:33 | -2276 |
| Beatty | 06:25:40 | -39.2 | Dark | Up | 29.4 | 225.2 | Low | 06:16:23 - 06:34:57 | -2283 |
| Tonopah | 06:25:49 | -38.1 | Dark | Up | 28.8 | 224.4 | Low | 06:16:32 - 06:35:06 | -2292 |
| Idyllwild | 06:25:22 | -42.1 | Dark | Up | 31.6 | 226.5 | Up | 06:16:05 - 06:34:39 | -2325 |
| PNWRO | 06:26:36 | -30.4 | Dark | Up | 23.7 | 220.3 | Low | 06:17:19 - 06:35:53 | -2339 |
| Hawthorne | 06:25:57 | -37.2 | Dark | Up | 29.2 | 222.9 | Low | 06:16:40 - 06:35:14 | -2358 |
| Bishop | 06:25:49 | -38.3 | Dark | Up | 30.0 | 223.6 | Low | 06:16:32 - 06:35:06 | -2359 |
| Anarchist Mountain Observatory | 06:26:53 | -27.6 | Dark | Up | 21.5 | 219.2 | Low | 06:17:36 - 06:36:10 | -2370 |
| Tonasket | 06:26:50 | -27.9 | Dark | Up | 21.8 | 219.2 | Low | 06:17:33 - 06:36:07 | -2372 |
| Okanogan | 06:26:51 | -28.1 | Dark | Up | 22.1 | 219.1 | Low | 06:17:34 - 06:36:08 | -2377 |
| Yerington | 06:25:59 | -36.5 | Dark | Up | 29.2 | 222.2 | Low | 06:16:42 - 06:35:16 | -2380 |
| Oliver | 06:26:54 | -27.4 | Dark | Up | 21.5 | 218.9 | Low | 06:17:37 - 06:36:11 | -2380 |
| Kelowna | 06:26:58 | -26.8 | Dark | Up | 20.9 | 218.9 | Low | 06:17:41 - 06:36:15 | -2381 |
| Penticton | 06:26:55 | -27.1 | Dark | Up | 21.2 | 218.9 | Low | 06:17:38 - 06:36:12 | -2382 |
| Brewster | 06:26:49 | -28.3 | Dark | Up | 22.4 | 219.0 | Low | 06:17:32 - 06:36:06 | -2384 |
| Summerland | 06:26:57 | -27.0 | Dark | Up | 21.2 | 218.7 | Low | 06:17:40 - 06:36:14 | -2388 |
| Lee Vining | 06:25:55 | -37.5 | Dark | Up | 29.9 | 222.7 | Low | 06:16:38 - 06:35:12 | -2389 |
| Peachland | 06:26:57 | -26.8 | Dark | Up | 21.1 | 218.6 | Low | 06:17:40 - 06:36:14 | -2392 |
| Manson/Chelan | 06:26:50 | -28.4 | Dark | Up | 22.8 | 218.7 | Low | 06:17:33 - 06:36:07 | -2400 |
| Wenatchee | 06:26:46 | -28.7 | Dark | Up | 23.2 | 218.6 | Low | 06:17:29 - 06:36:03 | -2406 |
| Toppenish/White Swan | 06:26:43 | -29.6 | Dark | Up | 24.0 | 218.8 | Low | 06:17:26 - 06:36:00 | -2407 |
| Reno | 06:26:05 | -35.8 | Dark | Up | 29.1 | 221.4 | Low | 06:16:48 - 06:35:22 | -2408 |
| Cedarville | 06:26:18 | -34.0 | Dark | Up | 27.7 | 220.4 | Low | 06:17:01 - 06:35:35 | -2409 |
| Carson City | 06:26:04 | -36.2 | Dark | Up | 29.3 | 221.6 | Low | 06:16:47 - 06:35:21 | -2410 |
| Gardnerville | 06:26:02 | -36.4 | Dark | Up | 29.5 | 221.7 | Low | 06:16:45 - 06:35:19 | -2411 |
| Lakeview | 06:26:21 | -33.3 | Dark | Up | 27.3 | 220.1 | Low | 06:17:04 - 06:35:38 | -2414 |
| Ellensburg | 06:26:47 | -29.0 | Dark | Up | 23.6 | 218.5 | Low | 06:17:30 - 06:36:04 | -2415 |
| Yakima | 06:26:44 | -29.4 | Dark | Up | 23.9 | 218.6 | Low | 06:17:27 - 06:36:01 | -2415 |
| Wildwood | 06:25:31 | -41.0 | Dark | Up | 32.5 | 224.7 | Up | 06:16:14 - 06:34:48 | -2419 |
| Kamloops | 06:27:02 | -25.8 | Dark | Up | 20.6 | 217.8 | Low | 06:17:45 - 06:36:19 | -2425 |
| Goldendale | 06:26:42 | -30.0 | Dark | Up | 24.7 | 218.6 | Low | 06:17:25 - 06:35:59 | -2426 |
| North Lake | 06:26:27 | -32.2 | Dark | Up | 26.7 | 219.2 | Low | 06:17:10 - 06:35:44 | -2435 |
| Portola | 06:26:08 | -35.4 | Dark | Up | 29.2 | 220.7 | Low | 06:16:51 - 06:35:25 | -2438 |
| Maupin | 06:26:39 | -30.5 | Dark | Up | 25.3 | 218.5 | Low | 06:17:22 - 06:35:56 | -2439 |
| Susanville | 06:26:12 | -34.8 | Dark | Up | 28.8 | 220.3 | Low | 06:16:55 - 06:35:29 | -2442 |
| The Dalles | 06:26:43 | -30.1 | Dark | Up | 25.0 | 218.3 | Low | 06:17:26 - 06:36:00 | -2444 |
| Bend | 06:26:34 | -31.4 | Dark | Up | 26.3 | 218.6 | Low | 06:17:17 - 06:35:51 | -2452 |
| Gimple | 06:26:13 | -34.9 | Dark | Up | 29.1 | 220.2 | Low | 06:16:56 - 06:35:30 | -2455 |
| Oregon Observatory | 06:26:34 | -31.5 | Dark | Up | 26.5 | 218.5 | Low | 06:17:17 - 06:35:51 | -2459 |
| Greenville | 06:26:12 | -34.9 | Dark | Up | 29.2 | 220.1 | Low | 06:16:55 - 06:35:29 | -2460 |
| Quincy | 06:26:11 | -35.1 | Dark | Up | 29.3 | 220.2 | Low | 06:16:54 - 06:35:28 | -2461 |
| Sisters | 06:26:36 | -31.1 | Dark | Up | 26.2 | 218.3 | Low | 06:17:19 - 06:35:53 | -2464 |
| Fall River/Burney | 06:26:20 | -34.0 | Dark | Up | 28.7 | 219.4 | Low | 06:17:03 - 06:35:37 | -2474 |
| Klamath Falls | 06:26:26 | -32.8 | Dark | Up | 27.9 | 218.7 | Low | 06:17:09 - 06:35:43 | -2485 |
| Chiloquin | 06:26:28 | -32.5 | Dark | Up | 27.7 | 218.5 | Low | 06:17:11 - 06:35:45 | -2486 |
| Victoria | 06:27:00 | -26.8 | Dark | Up | 23.5 | 215.4 | Low | 06:17:43 - 06:36:17 | -2548 |
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 555632, (2022/04/16 06:23UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 24.32 50 Alphard 09:27:35.2 -08:39:30 2.0 4.00 57 PPM 221648 09:31:55.5 -10:22:13 5.9 2.14 56 PPM 221847 09:40:20.1 -10:46:09 6.7 0.55 54 PPM 221825 09:39:29.6 -11:12:17 9.1 0.12 54 555632 09:39:47.9 -11:17:57 14.9 54 Positions are for J2000
Event circumstances last updated at 2022/03/12 01:37:10 UT
Marc W. Buie, Southwest Research Institute