Event between (612161) 00KK4 and star GA0820:07654863 with event index number of 2807618
Geocentric closest approach at 2024/07/13 04:19:42 UTC
J2000 position of star is 17:58:38.8 -07:04:24
Equinox of date position of star is 17:59:51.2 -07:04:25
Stellar brightness G=12.7,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 77 degrees from the moon.
Moon is 43% illuminated.
TNO apparent brightness V=22.7
[RECON map]
TNO is 44.7 AU from the Sun
and 43.8 AU from the Earth.
The TNO is moving 23.4
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 412 seconds.
The 1-sigma cross-track error in the shadow position is
2439 km.
The sky-plane scale is
31753.5 km/arcsec.
The TNO has an absolute magnitude Hv=6.2
Diameter=338.9 km assuming a 5% albedo -- 14.5 sec chord
Diameter=138.3 km assuming a 30% albedo -- 5.9 sec chord
Dynamical classification is SCATEXTD
Star training set for 612161, (2024/07/13 04:20UT) Object RA Dec mag sep mel Antares 16:30:54.9 -26:29:03 0.9 28.72 57 60Bet Oph 17:44:41.1 +04:33:32 2.8 12.24 75 PPM 201153 17:53:57.7 -06:08:51 5.9 1.76 76 PPM 201269 18:00:37.4 -06:51:19 8.3 0.27 78 612161 17:59:58.3 -07:04:25 12.7 78 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
2.2 sigma about the mid-time.
The median site spacing is 17.5 km
RECON observability=0.2 and success probability=7.9%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 04:20:40 | -2.1 | CT | Up | 25.5 | 142.9 | Low | 04:05:40 - 04:35:40 | 1165 |
| Sleaford | 04:20:00 | -7.4 | NT | Up | 28.6 | 158.4 | Low | 04:05:00 - 04:35:00 | 1149 |
| Kelowna | 04:20:40 | -3.1 | CT | Up | 26.5 | 143.5 | Low | 04:05:40 - 04:35:40 | 1117 |
| Peachland | 04:20:41 | -3.0 | CT | Up | 26.5 | 143.2 | Low | 04:05:41 - 04:35:41 | 1113 |
| Summerland | 04:20:41 | -3.1 | CT | Up | 26.6 | 143.3 | Low | 04:05:41 - 04:35:41 | 1104 |
| Penticton | 04:20:41 | -3.2 | CT | Up | 26.7 | 143.4 | Low | 04:05:41 - 04:35:41 | 1100 |
| Oliver | 04:20:42 | -3.5 | CT | Up | 27.0 | 143.2 | Low | 04:05:42 - 04:35:42 | 1080 |
| Anarchist Mountain Observatory | 04:20:42 | -3.7 | CT | Up | 27.2 | 143.4 | Low | 04:05:42 - 04:35:42 | 1071 |
| Victoria | 04:20:51 | -1.9 | CT | Up | 25.9 | 139.2 | Low | 04:05:51 - 04:35:51 | 1062 |
| Tonasket | 04:20:43 | -3.8 | CT | Up | 27.4 | 143.2 | Low | 04:05:43 - 04:35:43 | 1053 |
| Okanogan | 04:20:44 | -4.0 | CT | Up | 27.6 | 143.0 | Low | 04:05:44 - 04:35:44 | 1035 |
| Brewster | 04:20:45 | -4.0 | CT | Up | 27.8 | 142.7 | Low | 04:05:45 - 04:35:45 | 1020 |
| Manson/Chelan | 04:20:47 | -4.0 | CT | Up | 27.8 | 142.2 | Low | 04:05:47 - 04:35:47 | 1010 |
| Wenatchee | 04:20:48 | -4.2 | CT | Up | 28.1 | 141.9 | Low | 04:05:48 - 04:35:48 | 984 |
| Ellensburg | 04:20:50 | -4.4 | CT | Up | 28.3 | 141.6 | Low | 04:05:50 - 04:35:50 | 961 |
| Yakima | 04:20:51 | -4.6 | CT | Up | 28.6 | 141.4 | Low | 04:05:51 - 04:35:51 | 937 |
| Toppenish/White Swan | 04:20:51 | -4.8 | CT | Up | 28.9 | 141.5 | Low | 04:05:51 - 04:35:51 | 923 |
| Goldendale | 04:20:51 | -4.9 | CT | Up | 29.1 | 140.9 | Low | 04:05:51 - 04:35:51 | 893 |
| PNWRO | 04:20:47 | -5.9 | CT | Up | 29.8 | 142.9 | Low | 04:05:47 - 04:35:47 | 893 |
| The Dalles | 04:20:51 | -4.9 | CT | Up | 29.1 | 140.4 | Low | 04:05:51 - 04:35:51 | 884 |
| Maupin | 04:20:51 | -5.2 | CT | Up | 29.5 | 140.4 | Low | 04:05:51 - 04:35:51 | 859 |
| Sisters | 04:20:51 | -5.5 | CT | Up | 30.0 | 139.6 | Low | 04:05:51 - 04:35:51 | 821 |
| Bend | 04:20:51 | -5.8 | CT | Up | 30.3 | 139.7 | Up | 04:05:51 - 04:35:51 | 804 |
| Oregon Observatory | 04:20:51 | -5.8 | CT | Up | 30.3 | 139.5 | Up | 04:05:51 - 04:35:51 | 799 |
| North Lake | 04:20:51 | -6.5 | NT | Up | 31.1 | 139.9 | Up | 04:05:51 - 04:35:51 | 756 |
| Chiloquin | 04:20:51 | -6.4 | NT | Up | 31.1 | 138.6 | Up | 04:05:51 - 04:35:51 | 751 |
| Lakeview | 04:20:51 | -7.5 | NT | Up | 32.2 | 140.0 | Up | 04:05:51 - 04:35:51 | 691 |
| Klamath Falls | 04:21:04 | -6.6 | NT | Up | 31.5 | 138.6 | Up | 04:06:04 - 04:36:04 | 669 |
| Cedarville | 04:20:51 | -8.0 | NT | Up | 32.7 | 139.9 | Up | 04:05:51 - 04:35:51 | 656 |
| Fall River/Burney | 04:21:06 | -7.6 | NT | Up | 32.5 | 138.5 | Up | 04:06:06 - 04:36:06 | 588 |
| Susanville | 04:21:05 | -8.4 | NT | Up | 33.4 | 139.0 | Up | 04:06:05 - 04:36:05 | 541 |
| Greenville | 04:21:06 | -8.4 | NT | Up | 33.4 | 138.6 | Up | 04:06:06 - 04:36:06 | 523 |
| Gimple | 04:21:06 | -8.5 | NT | Up | 33.5 | 138.7 | Up | 04:06:06 - 04:36:06 | 523 |
| Yerington | 04:20:51 | -10.2 | NT | Up | 35.2 | 139.9 | Up | 04:05:51 - 04:35:51 | 518 |
| Quincy | 04:21:07 | -8.5 | NT | Up | 33.6 | 138.5 | Up | 04:06:07 - 04:36:07 | 509 |
| Portola | 04:21:06 | -8.9 | NT | Up | 33.9 | 138.9 | Up | 04:06:06 - 04:36:06 | 498 |
| Hawthorne | 04:20:51 | -10.8 | NT | Up | 35.8 | 140.2 | Up | 04:05:51 - 04:35:51 | 479 |
| Reno | 04:21:04 | -9.5 | NT | Up | 34.5 | 139.5 | Up | 04:06:04 - 04:36:04 | 476 |
| Carson City | 04:21:05 | -9.7 | NT | Up | 34.7 | 139.4 | Up | 04:06:05 - 04:36:05 | 450 |
| Gardnerville | 04:21:05 | -9.9 | NT | Up | 35.0 | 139.3 | Up | 04:06:05 - 04:36:05 | 432 |
| Dunrhomin | 04:20:16 | -16.9 | AT | Up | 39.8 | 156.2 | Up | 04:05:16 - 04:35:16 | 411 |
| Tonopah | 04:20:51 | -11.9 | NT | Up | 36.9 | 141.5 | Up | 04:05:51 - 04:35:51 | 399 |
| CU-SBO | 04:20:17 | -17.1 | AT | Up | 40.0 | 156.0 | Up | 04:05:17 - 04:35:17 | 394 |
| Lee Vining | 04:21:06 | -10.9 | NT | Up | 36.0 | 139.5 | Up | 04:06:06 - 04:36:06 | 358 |
| Beatty | 04:20:51 | -13.0 | AT | Up | 38.0 | 141.5 | Up | 04:05:51 - 04:35:51 | 334 |
| Bishop | 04:21:04 | -11.7 | NT | Up | 36.8 | 140.0 | Up | 04:06:04 - 04:36:04 | 309 |
| Indian Springs | 04:20:51 | -13.8 | AT | Up | 38.8 | 142.5 | Up | 04:05:51 - 04:35:51 | 268 |
| Henderson | 04:20:51 | -14.6 | AT | Up | 39.6 | 143.0 | Up | 04:05:51 - 04:35:51 | 213 |
| Laughlin/Bullhead City | 04:20:51 | -15.4 | AT | Up | 40.5 | 143.0 | Up | 04:05:51 - 04:35:51 | 159 |
| Mohave Valley | 04:20:51 | -15.6 | AT | Up | 40.7 | 142.9 | Up | 04:05:51 - 04:35:51 | 153 |
| Patrick | 04:20:51 | -15.7 | AT | Up | 40.6 | 143.9 | Up | 04:05:51 - 04:35:51 | 136 |
| Parker | 04:20:51 | -16.3 | AT | Up | 41.4 | 142.8 | Up | 04:05:51 - 04:35:51 | 134 |
| Lake Havasu City | 04:20:51 | -16.0 | AT | Up | 41.1 | 143.0 | Up | 04:05:51 - 04:35:51 | 133 |
| Kingman/Dolan Springs | 04:20:51 | -15.7 | AT | Up | 40.7 | 143.6 | Up | 04:05:51 - 04:35:51 | 132 |
| Wildwood | 04:21:12 | -13.7 | AT | Up | 39.2 | 138.1 | Up | 04:06:12 - 04:36:12 | 61 |
| Idyllwild | 04:21:06 | -15.1 | AT | Up | 40.5 | 139.9 | Up | 04:06:06 - 04:36:06 | 21 |
| George/Scottsdale | 04:20:49 | -18.1 | Dark | Up | 42.9 | 145.4 | Up | 04:05:49 - 04:35:49 | -20 |
| Yuma | 04:20:51 | -17.0 | AT | Up | 42.4 | 141.6 | Up | 04:05:51 - 04:35:51 | -233 |
| Calipatria | 04:20:51 | -16.2 | AT | Up | 41.6 | 140.8 | Up | 04:05:51 - 04:35:51 | -277 |
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 612161, (2024/07/13 04:20UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 28.72 57 60Bet Oph 17:43:28.3 +04:34:06 2.8 12.24 75 PPM 201153 17:52:38.7 -06:08:37 5.9 1.76 76 PPM 201269 17:59:18.0 -06:51:19 8.3 0.27 78 612161 17:58:38.8 -07:04:24 12.7 77 Positions are for J2000
Event circumstances last updated at 2022/05/03 23:39:19 UT
Marc W. Buie, Southwest Research Institute