Event between 13RH109 and star GA0920:18045560 with event index number of 2463290
Geocentric closest approach at 2022/07/01 10:30:54 UTC
J2000 position of star is 22:39:51.3 +02:45:44
Equinox of date position of star is 22:40:57.7 +02:52:34
Stellar brightness G=14.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 140 degrees from the moon.
Moon is 5% illuminated.
TNO apparent brightness V=23.5
[RECON map]
TNO is 38.7 AU from the Sun
and 38.2 AU from the Earth.
The TNO is moving 9.4
km/sec on the sky relative to the star, or,
1.2 arcsec/hr.
The 1-sigma error in the time of the event is 363 seconds.
The 1-sigma cross-track error in the shadow position is
1534 km.
The sky-plane scale is
27721.6 km/arcsec.
The TNO has an absolute magnitude Hv=7.5
Diameter=160.7 km assuming a 5% albedo -- 20.5 sec chord
Diameter=65.6 km assuming a 30% albedo -- 8.3 sec chord
Dynamical classification is 4:3E
Star training set for 13RH109, (2022/07/01 10:32UT) Object RA Dec mag sep mel Fomalhaut 22:58:53.3 -29:30:09 1.2 32.66 148 Markab 23:05:53.0 +15:19:36 2.5 13.87 126 37 Peg 22:31:06.2 +04:32:47 5.9 2.98 140 PPM 173268 22:39:38.0 +02:24:58 8.2 0.58 140 PPM 173318 22:41:48.5 +02:54:26 10.0 0.20 139 PPM 173294 22:40:41.0 +02:56:21 10.5 0.10 140 13RH109 22:41:00.0 +02:52:48 14.6 139 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
2.5 sigma about the mid-time.
The median site spacing is 25.7 km
RECON observability=0.6 and success probability=7.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Clarence Fulton | 10:33:49 | -9.3 | NT | Down | 39.2 | 152.0 | Up | 10:18:49 - 10:48:49 | 4082 |
| Kelowna | 10:33:51 | -9.6 | NT | Down | 39.5 | 151.7 | Up | 10:18:51 - 10:48:51 | 4052 |
| Peachland | 10:33:54 | -9.8 | NT | Down | 39.5 | 151.3 | Up | 10:18:54 - 10:48:54 | 4044 |
| Summerland | 10:33:54 | -9.9 | NT | Down | 39.7 | 151.3 | Up | 10:18:54 - 10:48:54 | 4032 |
| Penticton | 10:33:54 | -9.9 | NT | Down | 39.8 | 151.5 | Up | 10:18:54 - 10:48:54 | 4027 |
| Oliver | 10:33:54 | -10.2 | NT | Down | 40.1 | 151.3 | Up | 10:18:54 - 10:48:54 | 4000 |
| Anarchist Mountain Observatory | 10:33:54 | -10.3 | NT | Down | 40.3 | 151.5 | Up | 10:18:54 - 10:48:54 | 3987 |
| Tonasket | 10:33:55 | -10.6 | NT | Down | 40.5 | 151.3 | Up | 10:18:55 - 10:48:55 | 3963 |
| Victoria | 10:34:24 | -12.1 | AT | Down | 39.4 | 146.5 | Up | 10:19:24 - 10:49:24 | 3946 |
| Okanogan | 10:33:57 | -10.9 | NT | Down | 40.8 | 151.0 | Up | 10:18:57 - 10:48:57 | 3936 |
| Brewster | 10:34:00 | -11.2 | NT | Down | 40.9 | 150.6 | Up | 10:19:00 - 10:49:00 | 3915 |
| Manson/Chelan | 10:34:03 | -11.5 | NT | Down | 41.0 | 150.1 | Up | 10:19:03 - 10:49:03 | 3898 |
| Wenatchee | 10:34:05 | -11.9 | NT | Down | 41.4 | 149.7 | Up | 10:19:05 - 10:49:05 | 3860 |
| Ellensburg | 10:34:08 | -12.4 | AT | Down | 41.7 | 149.2 | Up | 10:19:08 - 10:49:08 | 3827 |
| Yakima | 10:34:10 | -12.7 | AT | Down | 42.0 | 149.0 | Up | 10:19:10 - 10:49:10 | 3794 |
| Toppenish/White Swan | 10:34:09 | -12.8 | AT | Down | 42.2 | 149.1 | Up | 10:19:09 - 10:49:09 | 3777 |
| Pasco | 10:33:59 | -12.4 | AT | Down | 42.8 | 150.6 | Up | 10:18:59 - 10:48:59 | 3768 |
| PNWRO | 10:33:59 | -12.5 | AT | Down | 43.1 | 150.8 | Up | 10:18:59 - 10:48:59 | 3748 |
| Goldendale | 10:34:14 | -13.4 | AT | Down | 42.6 | 148.4 | Up | 10:19:14 - 10:49:14 | 3731 |
| The Dalles | 10:34:17 | -13.8 | AT | Down | 42.6 | 147.8 | Up | 10:19:17 - 10:49:17 | 3713 |
| Maupin | 10:34:17 | -14.1 | AT | Down | 43.0 | 147.7 | Up | 10:19:17 - 10:49:17 | 3678 |
| Sisters | 10:34:23 | -15.0 | AT | Down | 43.6 | 146.7 | Up | 10:19:23 - 10:49:23 | 3605 |
| Redmond | 10:34:21 | -14.8 | AT | Down | 43.8 | 147.2 | Up | 10:19:21 - 10:49:21 | 3603 |
| Bend | 10:34:23 | -15.1 | AT | Down | 43.9 | 146.9 | Up | 10:19:23 - 10:49:23 | 3585 |
| Oregon Observatory | 10:34:24 | -15.3 | AT | Down | 44.0 | 146.6 | Up | 10:19:24 - 10:49:24 | 3571 |
| La Pine/Gilchrist | 10:34:25 | -15.5 | AT | Down | 44.1 | 146.5 | Up | 10:19:25 - 10:49:25 | 3553 |
| North Lake | 10:34:22 | -15.6 | AT | Down | 44.7 | 147.0 | Up | 10:19:22 - 10:49:22 | 3517 |
| Paisley | 10:34:20 | -15.9 | AT | Down | 45.3 | 147.1 | Up | 10:19:20 - 10:49:20 | 3470 |
| Chiloquin | 10:34:31 | -16.5 | AT | Down | 44.9 | 145.4 | Up | 10:19:31 - 10:49:31 | 3458 |
| Klamath Falls | 10:34:32 | -16.8 | AT | Down | 45.2 | 145.3 | Up | 10:19:32 - 10:49:32 | 3429 |
| Lakeview | 10:34:20 | -16.2 | AT | Down | 45.8 | 147.1 | Up | 10:19:20 - 10:49:20 | 3426 |
| Cedarville | 10:34:21 | -16.7 | AT | Down | 46.5 | 147.0 | Up | 10:19:21 - 10:49:21 | 3369 |
| Fall River/Burney | 10:34:32 | -17.6 | AT | Down | 46.4 | 145.1 | Up | 10:19:32 - 10:49:32 | 3326 |
| Dunrhomin | 10:32:18 | -10.3 | NT | Down | 51.9 | 167.7 | Up | 10:17:18 - 10:47:18 | 3277 |
| Susanville | 10:34:27 | -17.8 | AT | Down | 47.2 | 145.7 | Up | 10:19:27 - 10:49:27 | 3271 |
| Greenville | 10:34:31 | -18.1 | Dark | Down | 47.3 | 145.2 | Up | 10:19:31 - 10:49:31 | 3246 |
| Gimple | 10:34:30 | -18.1 | Dark | Down | 47.3 | 145.3 | Up | 10:19:30 - 10:49:30 | 3246 |
| Quincy | 10:34:31 | -18.3 | Dark | Down | 47.5 | 145.0 | Up | 10:19:31 - 10:49:31 | 3228 |
| Portola | 10:34:28 | -18.2 | Dark | Down | 47.8 | 145.6 | Up | 10:19:28 - 10:49:28 | 3217 |
| Reno | 10:34:23 | -18.1 | Dark | Down | 48.3 | 146.3 | Up | 10:19:23 - 10:49:23 | 3194 |
| Carson City | 10:34:23 | -18.4 | Dark | Down | 48.6 | 146.1 | Up | 10:19:23 - 10:49:23 | 3162 |
| Yerington | 10:34:19 | -18.3 | Dark | Down | 49.0 | 146.8 | Up | 10:19:19 - 10:49:19 | 3145 |
| Gardnerville | 10:34:24 | -18.6 | Dark | Down | 48.8 | 146.0 | Up | 10:19:24 - 10:49:24 | 3140 |
| Hawthorne | 10:34:15 | -18.4 | Dark | Down | 49.6 | 147.2 | Up | 10:19:15 - 10:49:15 | 3103 |
| Tonopah | 10:34:04 | -18.1 | Dark | Down | 50.6 | 148.9 | Up | 10:19:04 - 10:49:04 | 3062 |
| Lee Vining | 10:34:21 | -19.0 | Dark | Down | 49.9 | 146.2 | Up | 10:19:21 - 10:49:21 | 3052 |
| Bishop | 10:34:16 | -19.2 | Dark | Down | 50.7 | 146.8 | Up | 10:19:16 - 10:49:16 | 2997 |
| Beatty | 10:34:03 | -18.8 | Dark | Down | 51.8 | 148.8 | Up | 10:19:03 - 10:49:03 | 2956 |
| Indian Springs | 10:33:54 | -18.5 | Dark | Down | 52.5 | 150.1 | Up | 10:18:54 - 10:48:54 | 2927 |
| Henderson | 10:33:49 | -18.5 | Dark | Down | 53.2 | 150.8 | Up | 10:18:49 - 10:48:49 | 2878 |
| Patrick | 10:33:10 | -18.5 | Dark | Down | 54.1 | 151.9 | Up | 10:18:10 - 10:48:10 | 2836 |
| Kingman/Dolan Springs | 10:33:10 | -18.7 | Dark | Down | 54.2 | 151.4 | Up | 10:18:10 - 10:48:10 | 2817 |
| CPSLO | 10:34:40 | -21.9 | Dark | Down | 51.3 | 142.3 | Up | 10:19:40 - 10:49:40 | 2803 |
| Laughlin/Bullhead City | 10:33:47 | -19.0 | Dark | Down | 54.1 | 150.8 | Up | 10:18:47 - 10:48:47 | 2796 |
| Mohave Valley | 10:33:47 | -19.2 | Dark | Down | 54.4 | 150.7 | Up | 10:18:47 - 10:48:47 | 2771 |
| Lake Havasu City | 10:33:45 | -19.3 | Dark | Down | 54.8 | 150.8 | Up | 10:18:45 - 10:48:45 | 2733 |
| Parker | 10:33:46 | -19.6 | Dark | Down | 55.1 | 150.6 | Up | 10:18:46 - 10:48:46 | 2700 |
| Wildwood | 10:34:25 | -21.8 | Dark | Down | 53.3 | 144.2 | Up | 10:19:25 - 10:49:25 | 2690 |
| George/Scottsdale | 10:33:10 | -18.6 | Dark | Down | 56.4 | 154.0 | Up | 10:18:10 - 10:48:10 | 2666 |
| Idyllwild | 10:34:08 | -21.2 | Dark | Down | 54.5 | 146.6 | Up | 10:19:08 - 10:49:08 | 2658 |
| Blythe | 10:33:49 | -20.1 | Dark | Down | 55.5 | 149.7 | Up | 10:18:49 - 10:48:49 | 2649 |
| Calipatria | 10:33:59 | -21.0 | Dark | Down | 55.5 | 147.9 | Up | 10:18:59 - 10:48:59 | 2601 |
| Yuma | 10:33:51 | -20.8 | Dark | Down | 56.2 | 149.0 | Up | 10:18:51 - 10:48:51 | 2560 |
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 13RH109, (2022/07/01 10:32UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 32.66 148 Markab 23:04:45.8 +15:12:18 2.5 13.87 126 37 Peg 22:29:57.9 +04:25:50 5.9 2.98 140 PPM 173268 22:38:29.3 +02:17:55 8.2 0.58 140 PPM 173318 22:40:39.8 +02:47:22 10.0 0.20 139 PPM 173294 22:39:32.4 +02:49:18 10.5 0.10 140 13RH109 22:39:51.3 +02:45:44 14.6 139 Positions are for J2000
Event circumstances last updated at 2021/10/04 01:51:51 UT
Marc W. Buie, Southwest Research Institute