Event between 11HN104 and star GA0840:06028600 with event index number of 1576248
Geocentric closest approach at 2022/07/22 08:41:36 UTC
J2000 position of star is 17:35:51.9 -05:47:31
Equinox of date position of star is 17:36:59.4 -05:48:15
Stellar brightness G=15.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 142 degrees from the moon.
Moon is 33% illuminated.
TNO apparent brightness V=22.9
[RECON map]
TNO is 30.2 AU from the Sun
and 29.4 AU from the Earth.
The TNO is moving 18.7
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 210 seconds.
The 1-sigma cross-track error in the shadow position is
1180 km.
The sky-plane scale is
21337.6 km/arcsec.
The TNO has an absolute magnitude Hv=8.0
Diameter=152.1 km assuming a 5% albedo -- 8.1 sec chord
Diameter=62.1 km assuming a 30% albedo -- 3.3 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 11HN104, (2022/07/22 08:42UT) Object RA Dec mag sep mel Antares 16:30:47.6 -26:28:48 0.9 26.02 159 60Bet Oph 17:44:35.3 +04:33:34 2.8 10.53 136 PPM 200792 17:34:42.2 -05:45:34 5.6 0.59 143 PPM 200831 17:36:42.6 -05:56:41 8.4 0.17 142 11HN104 17:37:04.3 -05:48:18 15.4 142 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
4.3 sigma about the mid-time.
The median site spacing is 21.9 km
RECON observability=1.0 and success probability=10.4%
| 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 | 08:37:54 | -19.1 | Dark | Up | 21.2 | 230.5 | Low | 08:22:54 - 08:52:54 | -1970 |
| Kelowna | 08:37:53 | -19.5 | Dark | Up | 21.6 | 230.5 | Low | 08:22:53 - 08:52:53 | -1998 |
| Peachland | 08:37:54 | -19.6 | Dark | Up | 21.8 | 230.2 | Low | 08:22:54 - 08:52:54 | -2001 |
| Summerland | 08:37:53 | -19.8 | Dark | Up | 21.8 | 230.3 | Low | 08:22:53 - 08:52:53 | -2015 |
| Penticton | 08:37:53 | -19.8 | Dark | Up | 21.8 | 230.5 | Low | 08:22:53 - 08:52:53 | -2022 |
| Victoria | 08:38:00 | -21.1 | Dark | Up | 24.4 | 227.2 | Low | 08:23:00 - 08:53:00 | -2032 |
| Oliver | 08:37:52 | -20.2 | Dark | Up | 22.0 | 230.6 | Low | 08:22:52 - 08:52:52 | -2050 |
| Anarchist Mountain Observatory | 08:37:51 | -20.3 | Dark | Up | 22.0 | 230.8 | Low | 08:22:51 - 08:52:51 | -2067 |
| Tonasket | 08:37:50 | -20.6 | Dark | Up | 22.3 | 230.8 | Low | 08:22:50 - 08:52:50 | -2090 |
| Okanogan | 08:37:50 | -21.0 | Dark | Up | 22.6 | 230.8 | Low | 08:22:50 - 08:52:50 | -2115 |
| Brewster | 08:37:50 | -21.3 | Dark | Up | 22.8 | 230.7 | Low | 08:22:50 - 08:52:50 | -2133 |
| Manson/Chelan | 08:37:50 | -21.5 | Dark | Up | 23.2 | 230.4 | Low | 08:22:50 - 08:52:50 | -2143 |
| Wenatchee | 08:37:50 | -22.0 | Dark | Up | 23.6 | 230.4 | Low | 08:22:50 - 08:52:50 | -2178 |
| Ellensburg | 08:37:49 | -22.4 | Dark | Up | 23.9 | 230.4 | Low | 08:22:49 - 08:52:49 | -2208 |
| Yakima | 08:37:49 | -22.8 | Dark | Up | 24.2 | 230.5 | Low | 08:22:49 - 08:52:49 | -2241 |
| Toppenish/White Swan | 08:37:47 | -23.0 | Dark | Up | 24.3 | 230.7 | Low | 08:22:47 - 08:52:47 | -2262 |
| Pasco | 08:37:44 | -23.0 | Dark | Up | 23.7 | 231.9 | Low | 08:22:44 - 08:52:44 | -2296 |
| Goldendale | 08:37:48 | -23.6 | Dark | Up | 24.8 | 230.5 | Low | 08:22:48 - 08:52:48 | -2299 |
| The Dalles | 08:37:49 | -23.9 | Dark | Up | 25.2 | 230.3 | Low | 08:22:49 - 08:52:49 | -2311 |
| PNWRO | 08:37:43 | -23.3 | Dark | Up | 23.7 | 232.2 | Low | 08:22:43 - 08:52:43 | -2321 |
| Maupin | 08:37:47 | -24.3 | Dark | Up | 25.4 | 230.5 | Low | 08:22:47 - 08:52:47 | -2348 |
| Sisters | 08:37:48 | -25.2 | Dark | Up | 26.2 | 230.4 | Low | 08:22:48 - 08:52:48 | -2412 |
| Redmond | 08:37:46 | -25.2 | Dark | Up | 26.0 | 230.8 | Low | 08:22:46 - 08:52:46 | -2422 |
| Bend | 08:37:46 | -25.4 | Dark | Up | 26.2 | 230.7 | Low | 08:22:46 - 08:52:46 | -2437 |
| Oregon Observatory | 08:37:46 | -25.6 | Dark | Up | 26.4 | 230.6 | Low | 08:22:46 - 08:52:46 | -2450 |
| La Pine/Gilchrist | 08:37:45 | -25.8 | Dark | Up | 26.6 | 230.7 | Low | 08:22:45 - 08:52:45 | -2466 |
| North Lake | 08:37:43 | -26.2 | Dark | Up | 26.5 | 231.4 | Low | 08:22:43 - 08:52:43 | -2515 |
| Paisley | 08:37:41 | -26.7 | Dark | Up | 26.7 | 231.9 | Low | 08:22:41 - 08:52:41 | -2570 |
| Klamath Falls | 08:37:44 | -27.3 | Dark | Up | 27.7 | 231.0 | Low | 08:22:44 - 08:52:44 | -2585 |
| Lakeview | 08:37:40 | -27.2 | Dark | Up | 26.9 | 232.3 | Low | 08:22:40 - 08:52:40 | -2618 |
| Cedarville | 08:37:38 | -27.8 | Dark | Up | 27.2 | 232.7 | Low | 08:22:38 - 08:52:38 | -2679 |
| Fall River/Burney | 08:37:41 | -28.4 | Dark | Up | 28.2 | 231.8 | Low | 08:22:41 - 08:52:41 | -2697 |
| Susanville | 08:37:38 | -29.0 | Dark | Up | 28.1 | 232.7 | Low | 08:22:38 - 08:52:38 | -2768 |
| Greenville | 08:37:39 | -29.3 | Dark | Up | 28.5 | 232.6 | Low | 08:22:39 - 08:52:39 | -2787 |
| Gimple | 08:37:38 | -29.3 | Dark | Up | 28.4 | 232.7 | Low | 08:22:38 - 08:52:38 | -2789 |
| Quincy | 08:37:38 | -29.5 | Dark | Up | 28.6 | 232.7 | Low | 08:22:38 - 08:52:38 | -2805 |
| Portola | 08:37:36 | -29.6 | Dark | Up | 28.4 | 233.2 | Low | 08:22:36 - 08:52:36 | -2826 |
| Reno | 08:37:34 | -29.7 | Dark | Up | 28.1 | 233.8 | Low | 08:22:34 - 08:52:34 | -2864 |
| Carson City | 08:37:34 | -30.1 | Dark | Up | 28.3 | 234.0 | Low | 08:22:34 - 08:52:34 | -2897 |
| Gardnerville | 08:37:32 | -30.3 | Dark | Up | 28.5 | 234.2 | Low | 08:22:32 - 08:52:32 | -2920 |
| Yerington | 08:37:32 | -30.2 | Dark | Up | 28.1 | 234.6 | Low | 08:22:32 - 08:52:32 | -2928 |
| Hawthorne | 08:37:29 | -30.6 | Dark | Up | 28.0 | 235.3 | Low | 08:22:29 - 08:52:29 | -2982 |
| Lee Vining | 08:37:30 | -31.2 | Dark | Up | 28.6 | 235.1 | Low | 08:22:30 - 08:52:30 | -3023 |
| Tonopah | 08:37:24 | -30.9 | Dark | Up | 27.3 | 236.7 | Low | 08:22:24 - 08:52:24 | -3055 |
| Dunrhomin | 08:36:58 | -26.0 | Dark | Up | 18.2 | 245.3 | Really Low | 08:21:58 - 08:51:58 | -3087 |
| Bishop | 08:37:27 | -31.7 | Dark | Up | 28.5 | 236.0 | Low | 08:22:27 - 08:52:27 | -3094 |
| Beatty | 08:37:21 | -31.9 | Dark | Up | 27.7 | 237.6 | Low | 08:22:21 - 08:52:21 | -3172 |
| Indian Springs | 08:37:17 | -32.1 | Dark | Up | 27.1 | 238.6 | Low | 08:22:17 - 08:52:17 | -3226 |
| CPSLO | 08:37:31 | -34.0 | Dark | Up | 31.2 | 235.1 | Up | 08:22:31 - 08:52:31 | -3237 |
| Henderson | 08:37:15 | -32.4 | Dark | Up | 26.9 | 239.4 | Low | 08:22:15 - 08:52:15 | -3292 |
| Patrick | 08:37:10 | -32.8 | Dark | Up | 26.5 | 240.5 | Low | 08:22:10 - 08:52:10 | -3375 |
| Laughlin/Bullhead City | 08:37:12 | -33.2 | Dark | Up | 27.1 | 240.1 | Low | 08:22:12 - 08:52:12 | -3384 |
| Kingman/Dolan Springs | 08:37:10 | -33.1 | Dark | Up | 26.7 | 240.5 | Low | 08:22:10 - 08:52:10 | -3393 |
| Wildwood | 08:37:24 | -35.0 | Dark | Up | 30.4 | 237.4 | Up | 08:22:24 - 08:52:24 | -3398 |
| Mohave Valley | 08:37:13 | -33.5 | Dark | Up | 27.2 | 240.2 | Low | 08:22:13 - 08:52:13 | -3410 |
| Lake Havasu City | 08:37:11 | -33.8 | Dark | Up | 27.2 | 240.6 | Low | 08:22:11 - 08:52:11 | -3454 |
| Idyllwild | 08:37:16 | -35.0 | Dark | Up | 29.3 | 239.0 | Low | 08:22:16 - 08:52:16 | -3474 |
| Parker | 08:37:10 | -34.1 | Dark | Up | 27.4 | 240.7 | Low | 08:22:10 - 08:52:10 | -3489 |
| Blythe | 08:37:10 | -34.7 | Dark | Up | 27.9 | 240.7 | Low | 08:22:10 - 08:52:10 | -3533 |
| Calipatria | 08:37:13 | -35.4 | Dark | Up | 28.8 | 240.3 | Low | 08:22:13 - 08:52:13 | -3560 |
| George/Scottsdale | 08:37:02 | -34.0 | Dark | Up | 25.8 | 242.7 | Low | 08:22:02 - 08:52:02 | -3582 |
| Yuma | 08:37:09 | -35.6 | Dark | Up | 28.4 | 241.1 | Low | 08:22:09 - 08:52:09 | -3622 |
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 11HN104, (2022/07/22 08:42UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 26.02 159 60Bet Oph 17:43:28.3 +04:34:06 2.8 10.53 136 PPM 200792 17:33:29.8 -05:44:43 5.6 0.59 143 PPM 200831 17:35:30.1 -05:55:54 8.4 0.17 142 11HN104 17:35:51.9 -05:47:31 15.4 142 Positions are for J2000
Event circumstances last updated at 2021/01/09 22:10:39 UT
Marc W. Buie, Southwest Research Institute