Event between (517717) 15KZ120 and star GA1440:02740820 with event index number of 2627992
Geocentric closest approach at 2024/12/22 11:34:49 UTC
J2000 position of star is 03:32:37.6 +54:32:32
Equinox of date position of star is 03:34:22.1 +54:37:04
Stellar brightness G=15.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 107 degrees from the moon.
Moon is 54% illuminated.
TNO apparent brightness V=21.6
[RECON map]
TNO is 13.6 AU from the Sun
and 12.8 AU from the Earth.
The TNO is moving 30.7
km/sec on the sky relative to the star, or,
11.9 arcsec/hr.
The 1-sigma error in the time of the event is 87 seconds.
The 1-sigma cross-track error in the shadow position is
2389 km.
The sky-plane scale is
9292.8 km/arcsec.
The TNO has an absolute magnitude Hv=10.1
Diameter=57.5 km assuming a 5% albedo -- 1.8 sec chord
Diameter=23.5 km assuming a 30% albedo -- 0.7 sec chord
Dynamical classification is CENTAURR
Star training set for 517717, (2024/12/22 11:35UT) Object RA Dec mag sep mel Pollux 07:46:50.6 +27:57:50 1.1 52.13 63 Mirphak 03:26:07.2 +49:56:53 1.8 4.85 110 PPM 028555 03:35:34.2 +55:03:27 5.9 0.46 107 PPM 028543 03:34:39.3 +54:20:17 8.4 0.29 107 PPM 028537 03:34:17.3 +54:34:27 9.0 0.06 107 517717 03:34:32.1 +54:37:30 15.6 107 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
5.0 sigma about the mid-time.
The median site spacing is 17.7 km
RECON observability=1.0 and success probability=23.9%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 11:31:55 | -32.1 | Dark | Up | 33.2 | 318.1 | Up | 11:24:12 - 11:39:39 | 1788 |
| Kamloops | 11:32:11 | -41.1 | Dark | Up | 38.6 | 312.1 | Up | 11:24:27 - 11:39:54 | 1032 |
| Kelowna | 11:32:09 | -40.7 | Dark | Up | 37.6 | 313.0 | Up | 11:24:25 - 11:39:52 | 994 |
| Peachland | 11:32:09 | -41.0 | Dark | Up | 37.7 | 312.9 | Up | 11:24:26 - 11:39:53 | 972 |
| Summerland | 11:32:09 | -40.9 | Dark | Up | 37.5 | 313.0 | Up | 11:24:25 - 11:39:52 | 962 |
| Penticton | 11:32:09 | -40.9 | Dark | Up | 37.4 | 313.1 | Up | 11:24:25 - 11:39:52 | 961 |
| Dunrhomin | 11:31:43 | -31.2 | Dark | Up | 23.8 | 322.5 | Low | 11:23:59 - 11:39:26 | 929 |
| Oliver | 11:32:08 | -40.9 | Dark | Up | 37.2 | 313.3 | Up | 11:24:25 - 11:39:52 | 929 |
| Anarchist Mountain Observatory | 11:32:08 | -40.9 | Dark | Up | 37.0 | 313.5 | Up | 11:24:24 - 11:39:51 | 921 |
| CU-SBO | 11:31:43 | -31.3 | Dark | Up | 23.6 | 322.5 | Low | 11:23:59 - 11:39:26 | 905 |
| Tonasket | 11:32:08 | -41.0 | Dark | Up | 36.8 | 313.6 | Up | 11:24:24 - 11:39:51 | 891 |
| Okanogan | 11:32:08 | -41.1 | Dark | Up | 36.6 | 313.7 | Up | 11:24:24 - 11:39:51 | 854 |
| Brewster | 11:32:08 | -41.3 | Dark | Up | 36.5 | 313.8 | Up | 11:24:24 - 11:39:51 | 822 |
| Manson/Chelan | 11:32:08 | -41.6 | Dark | Up | 36.6 | 313.8 | Up | 11:24:25 - 11:39:52 | 788 |
| Wenatchee | 11:32:08 | -41.8 | Dark | Up | 36.3 | 314.0 | Up | 11:24:25 - 11:39:52 | 738 |
| Victoria | 11:32:14 | -43.6 | Dark | Up | 38.6 | 312.1 | Up | 11:24:30 - 11:39:57 | 718 |
| Ellensburg | 11:32:08 | -42.0 | Dark | Up | 36.1 | 314.1 | Up | 11:24:25 - 11:39:52 | 692 |
| PNWRO | 11:32:05 | -41.1 | Dark | Up | 34.6 | 315.2 | Up | 11:24:21 - 11:39:48 | 674 |
| Yakima | 11:32:08 | -42.1 | Dark | Up | 35.9 | 314.3 | Up | 11:24:24 - 11:39:51 | 655 |
| Toppenish/White Swan | 11:32:07 | -42.0 | Dark | Up | 35.6 | 314.5 | Up | 11:24:24 - 11:39:51 | 643 |
| Goldendale | 11:32:08 | -42.4 | Dark | Up | 35.5 | 314.6 | Up | 11:24:24 - 11:39:51 | 575 |
| The Dalles | 11:32:08 | -42.7 | Dark | Up | 35.5 | 314.6 | Up | 11:24:25 - 11:39:52 | 540 |
| Maupin | 11:32:08 | -42.7 | Dark | Up | 35.1 | 314.8 | Up | 11:24:24 - 11:39:51 | 507 |
| Sisters | 11:32:08 | -43.2 | Dark | Up | 34.8 | 315.1 | Up | 11:24:25 - 11:39:52 | 407 |
| Bend | 11:32:07 | -43.0 | Dark | Up | 34.5 | 315.3 | Up | 11:24:24 - 11:39:51 | 397 |
| Oregon Observatory | 11:32:08 | -43.1 | Dark | Up | 34.4 | 315.3 | Up | 11:24:24 - 11:39:51 | 376 |
| North Lake | 11:32:06 | -42.8 | Dark | Up | 33.7 | 315.8 | Up | 11:24:23 - 11:39:50 | 343 |
| Lakeview | 11:32:05 | -42.6 | Dark | Up | 32.6 | 316.5 | Up | 11:24:22 - 11:39:49 | 275 |
| Chiloquin | 11:32:08 | -43.6 | Dark | Up | 33.7 | 315.8 | Up | 11:24:24 - 11:39:51 | 241 |
| Cedarville | 11:32:04 | -42.5 | Dark | Up | 32.1 | 316.8 | Up | 11:24:21 - 11:39:48 | 226 |
| Klamath Falls | 11:32:07 | -43.6 | Dark | Up | 33.4 | 316.0 | Up | 11:24:24 - 11:39:51 | 215 |
| Fall River/Burney | 11:32:06 | -43.5 | Dark | Up | 32.3 | 316.6 | Up | 11:24:23 - 11:39:50 | 128 |
| Susanville | 11:32:05 | -43.0 | Dark | Up | 31.5 | 317.1 | Up | 11:24:21 - 11:39:48 | 107 |
| Tonopah | 11:31:58 | -40.4 | Dark | Up | 28.0 | 319.1 | Low | 11:24:15 - 11:39:42 | 76 |
| Gimple | 11:32:05 | -43.1 | Dark | Up | 31.4 | 317.2 | Up | 11:24:22 - 11:39:49 | 74 |
| Reno | 11:32:03 | -42.4 | Dark | Up | 30.4 | 317.7 | Up | 11:24:20 - 11:39:47 | 72 |
| Greenville | 11:32:05 | -43.2 | Dark | Up | 31.5 | 317.2 | Up | 11:24:22 - 11:39:49 | 70 |
| Portola | 11:32:04 | -42.9 | Dark | Up | 31.0 | 317.4 | Up | 11:24:21 - 11:39:48 | 64 |
| Yerington | 11:32:02 | -41.9 | Dark | Up | 29.7 | 318.1 | Low | 11:24:18 - 11:39:45 | 56 |
| Quincy | 11:32:05 | -43.2 | Dark | Up | 31.3 | 317.2 | Up | 11:24:22 - 11:39:49 | 53 |
| Patrick | 11:31:52 | -37.7 | Dark | Up | 24.2 | 320.9 | Low | 11:24:09 - 11:39:36 | 44 |
| Hawthorne | 11:32:01 | -41.5 | Dark | Up | 29.1 | 318.5 | Low | 11:24:17 - 11:39:44 | 43 |
| Carson City | 11:32:03 | -42.4 | Dark | Up | 30.2 | 317.9 | Up | 11:24:19 - 11:39:46 | 42 |
| Indian Springs | 11:31:55 | -39.2 | Dark | Up | 26.1 | 320.0 | Low | 11:24:12 - 11:39:39 | 36 |
| Henderson | 11:31:54 | -38.6 | Dark | Up | 25.3 | 320.4 | Low | 11:24:11 - 11:39:38 | 32 |
| George/Scottsdale | 11:31:49 | -35.9 | Dark | Up | 21.9 | 321.9 | Low | 11:24:05 - 11:39:32 | 31 |
| Gardnerville | 11:32:03 | -42.4 | Dark | Up | 29.9 | 318.0 | Low | 11:24:19 - 11:39:46 | 24 |
| Kingman/Dolan Springs | 11:31:53 | -37.8 | Dark | Up | 24.2 | 320.9 | Low | 11:24:09 - 11:39:36 | 16 |
| Beatty | 11:31:57 | -40.0 | Dark | Up | 26.9 | 319.6 | Low | 11:24:14 - 11:39:41 | 5 |
| Laughlin/Bullhead City | 11:31:53 | -38.2 | Dark | Up | 24.4 | 320.8 | Low | 11:24:10 - 11:39:37 | -15 |
| Lee Vining | 11:32:01 | -41.9 | Dark | Up | 28.9 | 318.5 | Low | 11:24:18 - 11:39:45 | -28 |
| Mohave Valley | 11:31:53 | -38.2 | Dark | Up | 24.2 | 320.8 | Low | 11:24:10 - 11:39:37 | -36 |
| Bishop | 11:32:00 | -41.3 | Dark | Up | 28.1 | 319.0 | Low | 11:24:17 - 11:39:44 | -42 |
| Lake Havasu City | 11:31:53 | -38.0 | Dark | Up | 23.8 | 321.0 | Low | 11:24:09 - 11:39:36 | -53 |
| Parker | 11:31:53 | -37.9 | Dark | Up | 23.5 | 321.1 | Low | 11:24:09 - 11:39:36 | -79 |
| Yuma | 11:31:53 | -38.1 | Dark | Up | 22.5 | 321.4 | Low | 11:24:10 - 11:39:37 | -210 |
| Calipatria | 11:31:55 | -38.8 | Dark | Up | 23.3 | 321.1 | Low | 11:24:11 - 11:39:38 | -228 |
| Idyllwild | 11:31:57 | -39.9 | Dark | Up | 24.4 | 320.6 | Low | 11:24:13 - 11:39:40 | -247 |
| Wildwood | 11:32:00 | -41.4 | Dark | Up | 25.7 | 320.0 | Low | 11:24:16 - 11:39:43 | -319 |
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 517717, (2024/12/22 11:35UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 52.13 63 Mirphak 03:24:19.4 +49:51:40 1.8 4.85 110 PPM 028555 03:33:39.0 +54:58:30 5.9 0.46 107 PPM 028543 03:32:45.2 +54:15:18 8.4 0.29 107 PPM 028537 03:32:22.9 +54:29:28 9.0 0.06 107 517717 03:32:37.6 +54:32:32 15.6 107 Positions are for J2000
Event circumstances last updated at 2022/10/23 03:22:41 UT
Marc W. Buie, Southwest Research Institute