Event between 03LD9 and star GA0700:23473432 with event index number of 1662721
Geocentric closest approach at 2022/05/28 09:33:12 UTC
J2000 position of star is 18:24:44.3 -18:56:25
Equinox of date position of star is 18:26:02.6 -18:55:36
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 128 degrees from the moon.
Moon is 4% illuminated.
TNO apparent brightness V=23.0
[RECON map]
TNO is 43.1 AU from the Sun
and 42.2 AU from the Earth.
The TNO is moving 20.9
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 811 seconds.
The 1-sigma cross-track error in the shadow position is
3171 km.
The sky-plane scale is
30585.1 km/arcsec.
The TNO has an absolute magnitude Hv=6.6
Diameter=295.1 km assuming a 5% albedo -- 14.1 sec chord
Diameter=120.5 km assuming a 30% albedo -- 5.8 sec chord
Dynamical classification is SCATNEAR
Star training set for 03LD9, (2022/05/28 09:33UT) Object RA Dec mag sep mel Antares 16:30:47.1 -26:28:47 0.9 27.57 154 Nunki 18:56:39.2 -26:16:01 2.0 10.18 121 PPM 234421 18:22:42.1 -18:50:53 5.9 0.80 129 PPM 234508 18:26:18.7 -18:31:29 7.3 0.41 128 PPM 234517 18:26:35.2 -19:02:27 9.0 0.17 128 03LD9 18:26:03.4 -18:55:35 16.6 128 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
1.1 sigma about the mid-time.
The median site spacing is 15.3 km
RECON observability=1.0 and success probability=6.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 09:32:59 | -9.3 | NT | Down | 18.7 | 187.0 | Really Low | 09:17:59 - 09:47:59 | 3691 |
| Kamloops | 09:33:46 | -14.9 | AT | Down | 20.1 | 172.8 | Low | 09:18:46 - 09:48:46 | 3607 |
| Kelowna | 09:33:43 | -15.4 | AT | Down | 21.0 | 173.6 | Low | 09:18:43 - 09:48:43 | 3579 |
| Peachland | 09:33:44 | -15.6 | AT | Down | 21.1 | 173.3 | Low | 09:18:44 - 09:48:44 | 3573 |
| Summerland | 09:33:44 | -15.7 | AT | Down | 21.2 | 173.4 | Low | 09:18:44 - 09:48:44 | 3567 |
| Penticton | 09:33:43 | -15.7 | AT | Down | 21.3 | 173.5 | Low | 09:18:43 - 09:48:43 | 3565 |
| Oliver | 09:33:44 | -16.0 | AT | Down | 21.6 | 173.5 | Low | 09:18:44 - 09:48:44 | 3550 |
| Anarchist Mountain Observatory | 09:33:43 | -16.1 | AT | Down | 21.8 | 173.7 | Low | 09:18:43 - 09:48:43 | 3545 |
| Tonasket | 09:33:44 | -16.4 | AT | Down | 22.1 | 173.6 | Low | 09:18:44 - 09:48:44 | 3530 |
| Okanogan | 09:33:44 | -16.8 | AT | Down | 22.5 | 173.4 | Low | 09:18:44 - 09:48:44 | 3515 |
| Brewster | 09:33:45 | -17.1 | AT | Down | 22.7 | 173.2 | Low | 09:18:45 - 09:48:45 | 3502 |
| Victoria | 09:33:57 | -17.6 | AT | Down | 21.9 | 169.6 | Low | 09:18:57 - 09:48:57 | 3500 |
| Manson/Chelan | 09:33:47 | -17.4 | AT | Down | 22.9 | 172.8 | Low | 09:18:47 - 09:48:47 | 3491 |
| Wenatchee | 09:33:47 | -17.8 | AT | Down | 23.3 | 172.6 | Low | 09:18:47 - 09:48:47 | 3469 |
| Ellensburg | 09:33:48 | -18.3 | Dark | Down | 23.7 | 172.4 | Low | 09:18:48 - 09:48:48 | 3449 |
| Yakima | 09:33:48 | -18.7 | Dark | Down | 24.1 | 172.3 | Low | 09:18:48 - 09:48:48 | 3430 |
| Toppenish/White Swan | 09:33:48 | -18.8 | Dark | Down | 24.4 | 172.5 | Low | 09:18:48 - 09:48:48 | 3421 |
| PNWRO | 09:33:42 | -18.7 | Dark | Down | 24.8 | 174.0 | Low | 09:18:42 - 09:48:42 | 3412 |
| Goldendale | 09:33:50 | -19.4 | Dark | Down | 24.9 | 172.0 | Low | 09:18:50 - 09:48:50 | 3393 |
| The Dalles | 09:33:51 | -19.7 | Dark | Down | 25.1 | 171.6 | Low | 09:18:51 - 09:48:51 | 3379 |
| Maupin | 09:33:51 | -20.1 | Dark | Down | 25.5 | 171.7 | Low | 09:18:51 - 09:48:51 | 3360 |
| Sisters | 09:33:53 | -21.0 | Dark | Down | 26.3 | 171.2 | Low | 09:18:53 - 09:48:53 | 3314 |
| Bend | 09:33:52 | -21.2 | Dark | Down | 26.6 | 171.4 | Low | 09:18:52 - 09:48:52 | 3303 |
| Oregon Observatory | 09:33:53 | -21.4 | Dark | Down | 26.7 | 171.3 | Low | 09:18:53 - 09:48:53 | 3294 |
| North Lake | 09:33:51 | -21.8 | Dark | Down | 27.4 | 171.8 | Low | 09:18:51 - 09:48:51 | 3264 |
| Chiloquin | 09:33:55 | -22.7 | Dark | Down | 28.0 | 170.7 | Low | 09:18:55 - 09:48:55 | 3222 |
| Lakeview | 09:33:49 | -22.6 | Dark | Down | 28.5 | 172.3 | Low | 09:18:49 - 09:48:49 | 3211 |
| Klamath Falls | 09:33:55 | -23.0 | Dark | Down | 28.3 | 170.8 | Low | 09:18:55 - 09:48:55 | 3204 |
| Cedarville | 09:33:49 | -23.2 | Dark | Down | 29.2 | 172.4 | Low | 09:18:49 - 09:48:49 | 3176 |
| Fall River/Burney | 09:33:54 | -24.0 | Dark | Down | 29.5 | 171.1 | Low | 09:18:54 - 09:48:54 | 3141 |
| Dunrhomin | 09:32:49 | -18.5 | Dark | Down | 30.4 | 188.5 | Up | 09:17:49 - 09:47:49 | 3140 |
| CU-SBO | 09:32:50 | -18.7 | Dark | Down | 30.6 | 188.4 | Up | 09:17:50 - 09:47:50 | 3126 |
| Susanville | 09:33:52 | -24.3 | Dark | Down | 30.2 | 171.8 | Up | 09:18:52 - 09:48:52 | 3110 |
| Gimple | 09:33:52 | -24.7 | Dark | Down | 30.5 | 171.6 | Up | 09:18:52 - 09:48:52 | 3093 |
| Greenville | 09:33:53 | -24.7 | Dark | Down | 30.5 | 171.5 | Up | 09:18:53 - 09:48:53 | 3092 |
| Quincy | 09:33:53 | -24.9 | Dark | Down | 30.7 | 171.5 | Up | 09:18:53 - 09:48:53 | 3081 |
| Portola | 09:33:51 | -24.8 | Dark | Down | 30.9 | 172.0 | Up | 09:18:51 - 09:48:51 | 3077 |
| Reno | 09:33:49 | -24.9 | Dark | Down | 31.2 | 172.7 | Up | 09:18:49 - 09:48:49 | 3065 |
| Carson City | 09:33:48 | -25.2 | Dark | Down | 31.5 | 172.7 | Up | 09:18:48 - 09:48:48 | 3044 |
| Yerington | 09:33:46 | -25.2 | Dark | Down | 31.8 | 173.3 | Up | 09:18:46 - 09:48:46 | 3036 |
| Gardnerville | 09:33:48 | -25.4 | Dark | Down | 31.8 | 172.7 | Up | 09:18:48 - 09:48:48 | 3030 |
| Hawthorne | 09:33:44 | -25.4 | Dark | Down | 32.3 | 173.9 | Up | 09:18:44 - 09:48:44 | 3011 |
| Tonopah | 09:33:38 | -25.3 | Dark | Down | 32.9 | 175.4 | Up | 09:18:38 - 09:48:38 | 2990 |
| Lee Vining | 09:33:46 | -26.1 | Dark | Down | 32.8 | 173.3 | Up | 09:18:46 - 09:48:46 | 2975 |
| Bishop | 09:33:43 | -26.4 | Dark | Down | 33.5 | 174.1 | Up | 09:18:43 - 09:48:43 | 2942 |
| Beatty | 09:33:36 | -26.2 | Dark | Down | 34.1 | 175.9 | Up | 09:18:36 - 09:48:36 | 2921 |
| Indian Springs | 09:33:32 | -26.0 | Dark | Down | 34.4 | 177.1 | Up | 09:18:32 - 09:48:32 | 2905 |
| Henderson | 09:33:30 | -26.2 | Dark | Down | 35.0 | 177.8 | Up | 09:18:30 - 09:48:30 | 2873 |
| Patrick | 09:33:24 | -26.3 | Dark | Down | 35.6 | 179.1 | Up | 09:18:24 - 09:48:24 | 2837 |
| Kingman/Dolan Springs | 09:33:25 | -26.6 | Dark | Down | 35.9 | 178.9 | Up | 09:18:25 - 09:48:25 | 2822 |
| Laughlin/Bullhead City | 09:33:27 | -26.8 | Dark | Down | 35.9 | 178.3 | Up | 09:18:27 - 09:48:27 | 2818 |
| Mohave Valley | 09:33:27 | -27.1 | Dark | Down | 36.1 | 178.3 | Up | 09:18:27 - 09:48:27 | 2800 |
| Lake Havasu City | 09:33:26 | -27.3 | Dark | Down | 36.6 | 178.6 | Up | 09:18:26 - 09:48:26 | 2775 |
| Parker | 09:33:26 | -27.6 | Dark | Down | 36.9 | 178.6 | Up | 09:18:26 - 09:48:26 | 2751 |
| George/Scottsdale | 09:33:16 | -26.9 | Dark | Down | 37.3 | 181.4 | Up | 09:18:16 - 09:48:16 | 2730 |
| Wildwood | 09:33:45 | -29.3 | Dark | Down | 36.7 | 173.6 | Up | 09:18:45 - 09:48:45 | 2729 |
| Idyllwild | 09:33:37 | -28.9 | Dark | Down | 37.2 | 175.7 | Up | 09:18:37 - 09:48:37 | 2715 |
| Calipatria | 09:33:32 | -29.0 | Dark | Down | 37.9 | 177.1 | Up | 09:18:32 - 09:48:32 | 2678 |
| Yuma | 09:33:28 | -29.0 | Dark | Down | 38.3 | 178.2 | Up | 09:18:28 - 09:48:28 | 2652 |
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 03LD9, (2022/05/28 09:33UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 27.57 154 Nunki 18:55:15.9 -26:17:49 2.0 10.18 121 PPM 234421 18:21:23.0 -18:51:36 5.9 0.80 129 PPM 234508 18:24:59.9 -18:32:20 7.3 0.41 128 PPM 234517 18:25:16.0 -19:03:18 9.0 0.17 128 03LD9 18:24:44.3 -18:56:25 16.6 128 Positions are for J2000
Event circumstances last updated at 2022/03/13 02:13:11 UT
Marc W. Buie, Southwest Research Institute