Event between 04KJ19 and star GA0760:07957221 with event index number of 1975130
Geocentric closest approach at 2022/03/20 11:12:12 UTC
J2000 position of star is 17:34:32.4 -12:13:43
Equinox of date position of star is 17:35:47.0 -12:14:31
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 57 degrees from the moon.
Moon is 94% illuminated.
TNO apparent brightness V=22.8
[RECON map]
TNO is 36.3 AU from the Sun
and 36.2 AU from the Earth.
The TNO is moving 8.1
km/sec on the sky relative to the star, or,
1.1 arcsec/hr.
The 1-sigma error in the time of the event is 220 seconds.
The 1-sigma cross-track error in the shadow position is
3808 km.
The sky-plane scale is
26230.4 km/arcsec.
The TNO has an absolute magnitude Hv=7.0
Diameter=235.5 km assuming a 5% albedo -- 28.9 sec chord
Diameter=96.1 km assuming a 30% albedo -- 11.8 sec chord
Dynamical classification is SCATNEAR
Star training set for 04KJ19, (2022/03/20 11:12UT) Object RA Dec mag sep mel Antares 16:30:46.4 -26:28:46 0.9 20.88 43 35Eta Oph 17:11:39.2 -15:45:03 2.6 6.82 51 PPM 233365 17:39:23.5 -10:56:16 5.7 1.58 57 PPM 233283 17:36:31.5 -12:21:39 8.2 0.22 57 04KJ19 17:35:47.1 -12:14:31 16.9 57 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
4.1 sigma about the mid-time.
The median site spacing is 4.9 km
RECON observability=1.0 and success probability=8.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Fall River/Burney | 11:19:16 | -31.3 | Dark | Up | 26.6 | 138.6 | Low | 11:04:16 - 11:34:16 | -906 |
| Klamath Falls | 11:19:27 | -30.9 | Dark | Up | 25.5 | 138.7 | Low | 11:04:27 - 11:34:27 | -908 |
| Chiloquin | 11:19:27 | -30.7 | Dark | Up | 25.2 | 138.7 | Low | 11:04:27 - 11:34:27 | -910 |
| Quincy | 11:19:06 | -31.6 | Dark | Up | 27.6 | 138.6 | Low | 11:04:06 - 11:34:06 | -912 |
| Greenville | 11:19:09 | -31.5 | Dark | Up | 27.5 | 138.7 | Low | 11:04:09 - 11:34:09 | -916 |
| Gimple | 11:19:09 | -31.4 | Dark | Up | 27.5 | 138.8 | Low | 11:04:09 - 11:34:09 | -921 |
| Susanville | 11:19:11 | -31.2 | Dark | Up | 27.4 | 139.1 | Low | 11:04:11 - 11:34:11 | -939 |
| Portola | 11:19:10 | -31.3 | Dark | Up | 28.0 | 139.0 | Low | 11:04:10 - 11:34:10 | -939 |
| Oregon Observatory | 11:19:43 | -29.7 | Dark | Up | 24.5 | 139.5 | Low | 11:04:43 - 11:34:43 | -964 |
| Sisters | 11:19:47 | -29.6 | Dark | Up | 24.1 | 139.6 | Low | 11:04:47 - 11:34:47 | -966 |
| Gardnerville | 11:19:01 | -31.3 | Dark | Up | 29.0 | 139.4 | Low | 11:04:01 - 11:34:01 | -970 |
| Carson City | 11:19:06 | -31.2 | Dark | Up | 28.8 | 139.4 | Low | 11:04:06 - 11:34:06 | -971 |
| Reno | 11:19:07 | -31.0 | Dark | Up | 28.5 | 139.5 | Low | 11:04:07 - 11:34:07 | -975 |
| Bend | 11:19:46 | -29.5 | Dark | Up | 24.4 | 139.7 | Low | 11:04:46 - 11:34:46 | -976 |
| North Lake | 11:19:38 | -29.8 | Dark | Up | 25.2 | 139.8 | Low | 11:04:38 - 11:34:38 | -981 |
| Victoria | 11:20:21 | -28.1 | Dark | Up | 20.1 | 139.1 | Low | 11:05:21 - 11:35:21 | -984 |
| Wildwood | 11:18:13 | -32.9 | Dark | Up | 33.1 | 138.4 | Up | 11:03:13 - 11:33:13 | -987 |
| Cedarville | 11:19:25 | -30.2 | Dark | Up | 26.8 | 139.9 | Low | 11:04:25 - 11:34:25 | -989 |
| Lakeview | 11:19:32 | -30.0 | Dark | Up | 26.3 | 140.0 | Low | 11:04:32 - 11:34:32 | -991 |
| Lee Vining | 11:18:54 | -31.4 | Dark | Up | 30.0 | 139.6 | Up | 11:03:54 - 11:33:54 | -995 |
| Yerington | 11:19:04 | -30.9 | Dark | Up | 29.2 | 140.0 | Low | 11:04:04 - 11:34:04 | -1008 |
| Maupin | 11:19:58 | -28.8 | Dark | Up | 23.7 | 140.3 | Low | 11:04:58 - 11:34:58 | -1016 |
| The Dalles | 11:20:02 | -28.6 | Dark | Up | 23.3 | 140.3 | Low | 11:05:02 - 11:35:02 | -1021 |
| Bishop | 11:18:50 | -31.2 | Dark | Up | 30.8 | 140.0 | Up | 11:03:50 - 11:33:50 | -1035 |
| Hawthorne | 11:19:02 | -30.7 | Dark | Up | 29.9 | 140.3 | Low | 11:04:02 - 11:34:02 | -1035 |
| Goldendale | 11:20:05 | -28.2 | Dark | Up | 23.3 | 140.8 | Low | 11:05:05 - 11:35:05 | -1046 |
| Yakima | 11:20:11 | -27.7 | Dark | Up | 22.8 | 141.2 | Low | 11:05:11 - 11:35:11 | -1080 |
| Toppenish/White Swan | 11:20:09 | -27.7 | Dark | Up | 23.1 | 141.3 | Low | 11:05:09 - 11:35:09 | -1084 |
| Ellensburg | 11:20:16 | -27.4 | Dark | Up | 22.5 | 141.4 | Low | 11:05:16 - 11:35:16 | -1091 |
| Idyllwild | 11:18:17 | -31.6 | Dark | Up | 34.4 | 140.1 | Up | 11:03:17 - 11:33:17 | -1114 |
| Wenatchee | 11:20:20 | -27.0 | Dark | Up | 22.3 | 141.7 | Low | 11:05:20 - 11:35:20 | -1115 |
| Tonopah | 11:19:02 | -30.0 | Dark | Up | 30.9 | 141.5 | Up | 11:04:02 - 11:34:02 | -1121 |
| Manson/Chelan | 11:20:27 | -26.7 | Dark | Up | 22.0 | 142.0 | Low | 11:05:27 - 11:35:27 | -1136 |
| Beatty | 11:18:53 | -30.2 | Dark | Up | 32.0 | 141.5 | Up | 11:03:53 - 11:33:53 | -1139 |
| PNWRO | 11:20:13 | -27.0 | Dark | Up | 24.0 | 142.7 | Low | 11:05:13 - 11:35:13 | -1160 |
| Brewster | 11:20:28 | -26.3 | Dark | Up | 22.0 | 142.4 | Low | 11:05:28 - 11:35:28 | -1162 |
| Okanogan | 11:20:31 | -26.1 | Dark | Up | 21.9 | 142.7 | Low | 11:05:31 - 11:35:31 | -1180 |
| Calipatria | 11:18:17 | -30.9 | Dark | Up | 35.5 | 141.0 | Up | 11:03:17 - 11:33:17 | -1196 |
| Tonasket | 11:20:38 | -25.8 | Dark | Up | 21.7 | 143.0 | Low | 11:05:38 - 11:35:38 | -1197 |
| Oliver | 11:20:38 | -25.6 | Dark | Up | 21.3 | 143.0 | Low | 11:05:38 - 11:35:38 | -1204 |
| Kamloops | 11:20:51 | -25.2 | Dark | Up | 19.8 | 142.6 | Really Low | 11:05:51 - 11:35:51 | -1205 |
| Peachland | 11:20:44 | -25.4 | Dark | Up | 20.7 | 142.9 | Low | 11:05:44 - 11:35:44 | -1209 |
| Anarchist Mountain Observatory | 11:20:39 | -25.6 | Dark | Up | 21.5 | 143.1 | Low | 11:05:39 - 11:35:39 | -1209 |
| Indian Springs | 11:18:54 | -29.5 | Dark | Up | 32.8 | 142.4 | Up | 11:03:54 - 11:33:54 | -1209 |
| Summerland | 11:20:41 | -25.4 | Dark | Up | 20.9 | 143.0 | Low | 11:05:41 - 11:35:41 | -1210 |
| Penticton | 11:20:44 | -25.4 | Dark | Up | 21.0 | 143.1 | Low | 11:05:44 - 11:35:44 | -1214 |
| Kelowna | 11:20:46 | -25.2 | Dark | Up | 20.8 | 143.2 | Low | 11:05:46 - 11:35:46 | -1228 |
| Henderson | 11:18:50 | -29.3 | Dark | Up | 33.6 | 142.9 | Up | 11:03:50 - 11:33:50 | -1253 |
| Yuma | 11:18:16 | -30.4 | Dark | Up | 36.3 | 141.7 | Up | 11:03:16 - 11:33:16 | -1259 |
| Mohave Valley | 11:18:40 | -29.4 | Dark | Up | 34.7 | 142.8 | Up | 11:03:40 - 11:33:40 | -1275 |
| Laughlin/Bullhead City | 11:18:43 | -29.3 | Dark | Up | 34.5 | 142.9 | Up | 11:03:43 - 11:33:43 | -1276 |
| Lake Havasu City | 11:18:37 | -29.4 | Dark | Up | 35.1 | 142.9 | Up | 11:03:37 - 11:33:37 | -1290 |
| Parker | 11:18:34 | -29.5 | Dark | Up | 35.4 | 142.8 | Up | 11:03:34 - 11:33:34 | -1290 |
| Kingman/Dolan Springs | 11:18:46 | -28.9 | Dark | Up | 34.7 | 143.5 | Up | 11:03:46 - 11:33:46 | -1313 |
| Patrick | 11:18:50 | -28.7 | Dark | Up | 34.6 | 143.8 | Up | 11:03:50 - 11:33:50 | -1328 |
| George/Scottsdale | 11:18:41 | -27.8 | Dark | Up | 37.0 | 145.2 | Up | 11:03:41 - 11:33:41 | -1467 |
| CU-SBO | 11:20:09 | -20.5 | Dark | Up | 34.3 | 155.1 | Up | 11:05:09 - 11:35:09 | -1975 |
| Dunrhomin | 11:20:13 | -20.3 | Dark | Up | 34.1 | 155.3 | Up | 11:05:13 - 11:35:13 | -1983 |
| Sleaford | 11:21:48 | -16.4 | AT | Up | 23.1 | 157.5 | Low | 11:06:48 - 11:36:48 | -2035 |
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 04KJ19, (2022/03/20 11:12UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 20.88 43 35Eta Oph 17:10:22.7 -15:43:29 2.6 6.82 51 PPM 233365 17:38:09.5 -10:55:35 5.7 1.58 57 PPM 233283 17:35:16.7 -12:20:52 8.2 0.22 57 04KJ19 17:34:32.4 -12:13:43 16.9 57 Positions are for J2000
Event circumstances last updated at 2022/03/13 02:11:53 UT
Marc W. Buie, Southwest Research Institute