Event between (555820) 14EA52 and star GA0940:03910985 with event index number of 2472406
Geocentric closest approach at 2022/03/22 09:46:58 UTC
J2000 position of star is 14:28:03.6 +04:54:21
Equinox of date position of star is 14:29:10.4 +04:48:27
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 28 degrees from the moon.
Moon is 80% illuminated.
TNO apparent brightness V=21.2
[RECON map]
TNO is 37.5 AU from the Sun
and 36.7 AU from the Earth.
The TNO is moving 20.9
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 73 seconds.
The 1-sigma cross-track error in the shadow position is
1516 km.
The sky-plane scale is
26615.5 km/arcsec.
The TNO has an absolute magnitude Hv=5.4
Diameter=492.1 km assuming a 5% albedo -- 23.5 sec chord
Diameter=200.9 km assuming a 30% albedo -- 9.6 sec chord
Dynamical classification is SCATEXTD
Star training set for 555820, (2022/03/22 09:48UT) Object RA Dec mag sep mel Arcturus 14:16:40.6 +19:04:05 0.0 14.58 42 27Bet Lib 15:18:12.4 -09:27:49 2.6 18.79 10 PPM 160711 14:31:52.2 +04:40:28 6.0 0.68 28 PPM 160658 14:28:22.7 +05:10:21 8.4 0.42 29 PPM 160679 14:29:46.1 +05:07:35 9.6 0.35 28 555820 14:29:10.5 +04:48:26 15.9 28 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 15.9 km
RECON observability=1.0 and success probability=9.6%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 09:48:57 | -27.6 | Dark | Up | 42.7 | 185.7 | Up | 09:42:24 - 09:55:29 | -2574 |
| Kamloops | 09:49:33 | -34.3 | Dark | Up | 43.5 | 166.1 | Up | 09:43:01 - 09:56:06 | -3231 |
| Kelowna | 09:49:30 | -34.7 | Dark | Up | 44.4 | 167.1 | Up | 09:42:57 - 09:56:02 | -3255 |
| Peachland | 09:49:30 | -34.9 | Dark | Up | 44.4 | 166.7 | Up | 09:42:58 - 09:56:03 | -3275 |
| Summerland | 09:49:30 | -35.0 | Dark | Up | 44.6 | 166.8 | Up | 09:42:57 - 09:56:02 | -3282 |
| Penticton | 09:49:29 | -35.0 | Dark | Up | 44.7 | 166.9 | Up | 09:42:57 - 09:56:02 | -3282 |
| Oliver | 09:49:29 | -35.3 | Dark | Up | 45.0 | 166.8 | Up | 09:42:56 - 09:56:01 | -3308 |
| Anarchist Mountain Observatory | 09:49:28 | -35.4 | Dark | Up | 45.2 | 167.0 | Up | 09:42:55 - 09:56:00 | -3312 |
| Dunrhomin | 09:48:25 | -35.1 | Dark | Up | 54.4 | 188.3 | Up | 09:41:53 - 09:54:58 | -3313 |
| CU-SBO | 09:48:25 | -35.3 | Dark | Up | 54.6 | 188.1 | Up | 09:41:53 - 09:54:58 | -3335 |
| Tonasket | 09:49:28 | -35.7 | Dark | Up | 45.5 | 166.9 | Up | 09:42:55 - 09:56:00 | -3338 |
| Okanogan | 09:49:28 | -36.0 | Dark | Up | 45.8 | 166.6 | Up | 09:42:55 - 09:56:00 | -3369 |
| Brewster | 09:49:27 | -36.3 | Dark | Up | 46.0 | 166.2 | Up | 09:42:55 - 09:56:00 | -3398 |
| Manson/Chelan | 09:49:28 | -36.6 | Dark | Up | 46.2 | 165.6 | Up | 09:42:56 - 09:56:01 | -3428 |
| Wenatchee | 09:49:28 | -37.1 | Dark | Up | 46.6 | 165.3 | Up | 09:42:56 - 09:56:01 | -3471 |
| Victoria | 09:49:39 | -37.1 | Dark | Up | 45.0 | 161.3 | Up | 09:43:06 - 09:56:11 | -3511 |
| Ellensburg | 09:49:28 | -37.5 | Dark | Up | 47.0 | 164.8 | Up | 09:42:56 - 09:56:01 | -3512 |
| PNWRO | 09:49:21 | -37.7 | Dark | Up | 48.2 | 167.0 | Up | 09:42:49 - 09:55:54 | -3518 |
| Yakima | 09:49:28 | -37.8 | Dark | Up | 47.4 | 164.7 | Up | 09:42:55 - 09:56:00 | -3543 |
| Toppenish/White Swan | 09:49:27 | -38.0 | Dark | Up | 47.6 | 164.9 | Up | 09:42:54 - 09:55:59 | -3553 |
| Goldendale | 09:49:27 | -38.6 | Dark | Up | 48.1 | 164.1 | Up | 09:42:54 - 09:55:59 | -3613 |
| The Dalles | 09:49:28 | -38.9 | Dark | Up | 48.2 | 163.5 | Up | 09:42:55 - 09:56:00 | -3647 |
| Maupin | 09:49:27 | -39.2 | Dark | Up | 48.6 | 163.5 | Up | 09:42:54 - 09:55:59 | -3675 |
| Sisters | 09:49:27 | -40.2 | Dark | Up | 49.4 | 162.5 | Up | 09:42:54 - 09:55:59 | -3765 |
| Bend | 09:49:26 | -40.3 | Dark | Up | 49.6 | 162.8 | Up | 09:42:53 - 09:55:58 | -3773 |
| Oregon Observatory | 09:49:26 | -40.5 | Dark | Up | 49.8 | 162.5 | Up | 09:42:53 - 09:55:58 | -3792 |
| North Lake | 09:49:23 | -40.8 | Dark | Up | 50.5 | 163.1 | Up | 09:42:50 - 09:55:55 | -3819 |
| Lakeview | 09:49:19 | -41.4 | Dark | Up | 51.6 | 163.6 | Up | 09:42:47 - 09:55:52 | -3879 |
| Chiloquin | 09:49:25 | -41.7 | Dark | Up | 50.9 | 161.4 | Up | 09:42:52 - 09:55:57 | -3917 |
| Cedarville | 09:49:17 | -41.9 | Dark | Up | 52.3 | 163.6 | Up | 09:42:45 - 09:55:50 | -3924 |
| Klamath Falls | 09:49:24 | -42.0 | Dark | Up | 51.3 | 161.4 | Up | 09:42:51 - 09:55:56 | -3941 |
| Fall River/Burney | 09:49:21 | -42.8 | Dark | Up | 52.5 | 161.5 | Up | 09:42:48 - 09:55:53 | -4020 |
| Susanville | 09:49:17 | -43.0 | Dark | Up | 53.3 | 162.4 | Up | 09:42:44 - 09:55:49 | -4037 |
| Tonopah | 09:49:01 | -43.3 | Dark | Up | 56.2 | 167.2 | Up | 09:42:28 - 09:55:33 | -4067 |
| Gimple | 09:49:18 | -43.4 | Dark | Up | 53.5 | 161.9 | Up | 09:42:45 - 09:55:50 | -4070 |
| Reno | 09:49:07 | -43.4 | Dark | Up | 54.3 | 163.3 | Up | 09:42:35 - 09:55:40 | -4071 |
| Greenville | 09:49:18 | -43.4 | Dark | Up | 53.5 | 161.8 | Up | 09:42:45 - 09:55:50 | -4074 |
| Portola | 09:49:15 | -43.4 | Dark | Up | 53.9 | 162.4 | Up | 09:42:43 - 09:55:48 | -4078 |
| Yerington | 09:49:07 | -43.5 | Dark | Up | 54.9 | 164.2 | Up | 09:42:34 - 09:55:39 | -4084 |
| Quincy | 09:49:17 | -43.6 | Dark | Up | 53.7 | 161.7 | Up | 09:42:45 - 09:55:50 | -4090 |
| Hawthorne | 09:49:06 | -43.6 | Dark | Up | 55.5 | 165.0 | Up | 09:42:34 - 09:55:39 | -4097 |
| Carson City | 09:49:07 | -43.7 | Dark | Up | 54.6 | 163.2 | Up | 09:42:34 - 09:55:39 | -4099 |
| Indian Springs | 09:48:53 | -43.6 | Dark | Up | 57.9 | 169.5 | Up | 09:42:20 - 09:55:25 | -4113 |
| Patrick | 09:48:43 | -43.4 | Dark | Up | 59.3 | 172.5 | Up | 09:42:10 - 09:55:15 | -4116 |
| Gardnerville | 09:49:07 | -43.8 | Dark | Up | 54.9 | 163.2 | Up | 09:42:35 - 09:55:40 | -4117 |
| Henderson | 09:48:48 | -43.6 | Dark | Up | 58.5 | 170.6 | Up | 09:42:16 - 09:55:21 | -4122 |
| Beatty | 09:48:57 | -43.9 | Dark | Up | 57.4 | 167.6 | Up | 09:42:24 - 09:55:29 | -4139 |
| Kingman/Dolan Springs | 09:48:44 | -43.7 | Dark | Up | 59.5 | 172.1 | Up | 09:42:11 - 09:55:16 | -4144 |
| George/Scottsdale | 09:48:32 | -43.3 | Dark | Up | 61.1 | 176.2 | Up | 09:41:59 - 09:55:04 | -4151 |
| Lee Vining | 09:49:07 | -44.3 | Dark | Up | 55.9 | 163.9 | Up | 09:42:34 - 09:55:39 | -4167 |
| Laughlin/Bullhead City | 09:48:45 | -44.0 | Dark | Up | 59.5 | 171.1 | Up | 09:42:12 - 09:55:17 | -4173 |
| Bishop | 09:49:03 | -44.4 | Dark | Up | 56.7 | 164.9 | Up | 09:42:31 - 09:55:36 | -4181 |
| Mohave Valley | 09:48:45 | -44.2 | Dark | Up | 59.7 | 171.1 | Up | 09:42:13 - 09:55:18 | -4195 |
| Lake Havasu City | 09:48:43 | -44.3 | Dark | Up | 60.1 | 171.4 | Up | 09:42:10 - 09:55:15 | -4215 |
| Parker | 09:48:42 | -44.5 | Dark | Up | 60.5 | 171.4 | Up | 09:42:10 - 09:55:15 | -4242 |
| Yuma | 09:48:39 | -45.7 | Dark | Up | 61.9 | 170.2 | Up | 09:42:07 - 09:55:12 | -4381 |
| Calipatria | 09:48:44 | -46.0 | Dark | Up | 61.3 | 168.6 | Up | 09:42:12 - 09:55:17 | -4391 |
| Idyllwild | 09:48:50 | -46.2 | Dark | Up | 60.5 | 166.5 | Up | 09:42:17 - 09:55:22 | -4400 |
| Wildwood | 09:48:57 | -47.0 | Dark | Up | 59.8 | 163.0 | Up | 09:42:25 - 09:55:30 | -4466 |
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 555820, (2022/03/22 09:48UT) Object RA Dec mag sep mel Arcturus 14:15:38.0 +19:10:14 0.0 14.58 42 27Bet Lib 15:17:00.3 -09:22:59 2.6 18.79 10 PPM 160711 14:30:45.4 +04:46:20 6.0 0.68 28 PPM 160658 14:27:16.0 +05:16:17 8.4 0.42 29 PPM 160679 14:28:39.4 +05:13:29 9.6 0.35 28 555820 14:28:03.6 +04:54:21 15.9 28 Positions are for J2000
Event circumstances last updated at 2022/03/12 01:35:17 UT
Marc W. Buie, Southwest Research Institute