Event between (468861) 13LU28 and star GA1260:03129796 with event index number of 1429181
Geocentric closest approach at 2024/12/29 11:17:23 UTC
J2000 position of star is 07:23:22.9 +37:33:12
Equinox of date position of star is 07:24:48.3 +37:30:40
Stellar brightness G=12.5,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 152 degrees from the moon.
Moon is 3% illuminated.
TNO apparent brightness V=17.8
[RECON map]
TNO is 8.8 AU from the Sun
and 7.9 AU from the Earth.
The TNO is moving 39.6
km/sec on the sky relative to the star, or,
25.0 arcsec/hr.
The 1-sigma error in the time of the event is 37 seconds.
The 1-sigma cross-track error in the shadow position is
4732 km.
The sky-plane scale is
5707.6 km/arcsec.
The TNO has an absolute magnitude Hv=8.4
Diameter=127.6 km assuming a 5% albedo -- 3.2 sec chord
Diameter=52.1 km assuming a 30% albedo -- 1.3 sec chord
Dynamical classification is CENTAURR
Star training set for 468861, (2024/12/29 11:17UT) Object RA Dec mag sep mel Pollux 07:46:50.7 +27:57:50 1.1 10.58 148 65 Aur 07:23:42.6 +36:42:40 5.1 0.84 153 PPM 072702 07:23:11.9 +37:36:48 7.7 0.39 152 PPM 072749 07:25:27.0 +37:21:38 11.9 0.16 152 468861 07:25:03.7 +37:30:12 12.5 152 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 26.8 km
RECON observability=1.0 and success probability=10.2%
| 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 | 11:16:16 | -43.4 | Dark | Down | 60.7 | 258.8 | Up | 11:12:41 - 11:19:50 | 1441 |
| Kelowna | 11:16:16 | -43.6 | Dark | Down | 60.8 | 259.3 | Up | 11:12:41 - 11:19:50 | 1397 |
| Peachland | 11:16:16 | -43.8 | Dark | Down | 61.0 | 259.3 | Up | 11:12:41 - 11:19:50 | 1380 |
| Summerland | 11:16:16 | -43.8 | Dark | Down | 61.0 | 259.6 | Up | 11:12:41 - 11:19:50 | 1366 |
| Penticton | 11:16:15 | -43.7 | Dark | Down | 61.0 | 259.8 | Up | 11:12:41 - 11:19:50 | 1362 |
| Oliver | 11:16:15 | -43.8 | Dark | Down | 61.0 | 260.5 | Up | 11:12:40 - 11:19:49 | 1325 |
| Anarchist Mountain Observatory | 11:16:15 | -43.8 | Dark | Down | 60.9 | 260.9 | Up | 11:12:40 - 11:19:49 | 1312 |
| Tonasket | 11:16:14 | -43.9 | Dark | Down | 61.0 | 261.4 | Up | 11:12:40 - 11:19:49 | 1278 |
| Okanogan | 11:16:14 | -44.1 | Dark | Down | 61.2 | 261.9 | Up | 11:12:40 - 11:19:49 | 1240 |
| Brewster | 11:16:14 | -44.3 | Dark | Down | 61.3 | 262.2 | Up | 11:12:40 - 11:19:49 | 1208 |
| Victoria | 11:16:21 | -46.4 | Dark | Down | 63.6 | 257.9 | Up | 11:12:46 - 11:19:55 | 1183 |
| Manson/Chelan | 11:16:15 | -44.6 | Dark | Down | 61.6 | 262.2 | Up | 11:12:40 - 11:19:49 | 1178 |
| Wenatchee | 11:16:15 | -44.8 | Dark | Down | 61.8 | 263.0 | Up | 11:12:40 - 11:19:49 | 1125 |
| Ellensburg | 11:16:15 | -45.1 | Dark | Down | 62.0 | 263.5 | Up | 11:12:40 - 11:19:49 | 1078 |
| Yakima | 11:16:14 | -45.2 | Dark | Down | 62.0 | 264.3 | Up | 11:12:40 - 11:19:49 | 1035 |
| Pasco | 11:16:12 | -44.3 | Dark | Down | 61.1 | 266.1 | Up | 11:12:37 - 11:19:46 | 1029 |
| Toppenish/White Swan | 11:16:14 | -45.1 | Dark | Down | 61.9 | 264.8 | Up | 11:12:39 - 11:19:48 | 1015 |
| PNWRO | 11:16:11 | -44.2 | Dark | Down | 60.9 | 266.7 | Up | 11:12:36 - 11:19:45 | 1009 |
| Goldendale | 11:16:14 | -45.5 | Dark | Down | 62.3 | 265.5 | Up | 11:12:39 - 11:19:48 | 948 |
| The Dalles | 11:16:14 | -45.8 | Dark | Down | 62.6 | 265.6 | Up | 11:12:40 - 11:19:49 | 917 |
| Maupin | 11:16:14 | -45.9 | Dark | Down | 62.5 | 266.5 | Up | 11:12:39 - 11:19:48 | 875 |
| Dunrhomin | 11:15:44 | -34.8 | Dark | Down | 50.5 | 283.2 | Up | 11:12:09 - 11:19:18 | 804 |
| Redmond | 11:16:13 | -46.1 | Dark | Down | 62.6 | 268.2 | Up | 11:12:39 - 11:19:48 | 778 |
| Sisters | 11:16:14 | -46.4 | Dark | Down | 62.9 | 267.9 | Up | 11:12:39 - 11:19:48 | 772 |
| Bend | 11:16:13 | -46.3 | Dark | Down | 62.7 | 268.5 | Up | 11:12:39 - 11:19:48 | 752 |
| Oregon Observatory | 11:16:13 | -46.4 | Dark | Down | 62.8 | 268.8 | Up | 11:12:39 - 11:19:48 | 731 |
| La Pine/Gilchrist | 11:16:13 | -46.5 | Dark | Down | 62.9 | 269.1 | Up | 11:12:39 - 11:19:48 | 708 |
| North Lake | 11:16:12 | -46.2 | Dark | Down | 62.4 | 270.4 | Up | 11:12:37 - 11:19:46 | 674 |
| Paisley | 11:16:11 | -46.0 | Dark | Down | 62.2 | 271.6 | Up | 11:12:36 - 11:19:45 | 624 |
| Chiloquin | 11:16:13 | -47.0 | Dark | Down | 63.1 | 271.0 | Up | 11:12:38 - 11:19:47 | 582 |
| Lakeview | 11:16:10 | -46.0 | Dark | Down | 62.0 | 272.7 | Up | 11:12:35 - 11:19:44 | 574 |
| Klamath Falls | 11:16:13 | -47.0 | Dark | Down | 63.1 | 271.8 | Up | 11:12:38 - 11:19:47 | 547 |
| Cedarville | 11:16:09 | -45.9 | Dark | Down | 61.8 | 274.1 | Up | 11:12:35 - 11:19:44 | 508 |
| Fall River/Burney | 11:16:11 | -46.9 | Dark | Down | 62.7 | 274.3 | Up | 11:12:36 - 11:19:45 | 430 |
| Susanville | 11:16:09 | -46.5 | Dark | Down | 62.1 | 275.9 | Up | 11:12:35 - 11:19:44 | 379 |
| Gimple | 11:16:09 | -46.7 | Dark | Down | 62.2 | 276.3 | Up | 11:12:35 - 11:19:44 | 344 |
| Greenville | 11:16:09 | -46.7 | Dark | Down | 62.3 | 276.3 | Up | 11:12:35 - 11:19:44 | 343 |
| Quincy | 11:16:09 | -46.8 | Dark | Down | 62.3 | 276.6 | Up | 11:12:35 - 11:19:44 | 321 |
| Portola | 11:16:08 | -46.4 | Dark | Down | 61.9 | 277.1 | Up | 11:12:34 - 11:19:43 | 318 |
| Reno | 11:16:07 | -46.0 | Dark | Down | 61.4 | 277.9 | Up | 11:12:32 - 11:19:41 | 305 |
| Carson City | 11:16:07 | -46.0 | Dark | Down | 61.3 | 278.5 | Up | 11:12:32 - 11:19:41 | 268 |
| Yerington | 11:16:05 | -45.5 | Dark | Down | 60.8 | 279.1 | Up | 11:12:31 - 11:19:40 | 262 |
| Gardnerville | 11:16:06 | -46.0 | Dark | Down | 61.2 | 279.0 | Up | 11:12:32 - 11:19:41 | 243 |
| Hawthorne | 11:16:04 | -45.2 | Dark | Down | 60.3 | 280.2 | Up | 11:12:29 - 11:19:38 | 226 |
| Tonopah | 11:16:01 | -44.1 | Dark | Down | 59.1 | 281.5 | Up | 11:12:27 - 11:19:36 | 212 |
| Lee Vining | 11:16:04 | -45.6 | Dark | Down | 60.6 | 281.0 | Up | 11:12:30 - 11:19:39 | 153 |
| Bishop | 11:16:03 | -45.1 | Dark | Down | 59.9 | 282.2 | Up | 11:12:28 - 11:19:37 | 108 |
| Beatty | 11:15:59 | -43.8 | Dark | Down | 58.5 | 283.5 | Up | 11:12:25 - 11:19:34 | 102 |
| Indian Springs | 11:15:57 | -43.0 | Dark | Down | 57.6 | 284.3 | Up | 11:12:23 - 11:19:32 | 97 |
| Henderson | 11:15:55 | -42.4 | Dark | Down | 57.0 | 285.3 | Up | 11:12:21 - 11:19:30 | 60 |
| Patrick | 11:15:53 | -41.5 | Dark | Down | 55.9 | 286.5 | Up | 11:12:18 - 11:19:27 | 27 |
| Kingman/Dolan Springs | 11:15:53 | -41.7 | Dark | Down | 56.0 | 286.8 | Up | 11:12:19 - 11:19:28 | -2 |
| Laughlin/Bullhead City | 11:15:54 | -42.1 | Dark | Down | 56.4 | 286.7 | Up | 11:12:20 - 11:19:29 | -20 |
| Mohave Valley | 11:15:54 | -42.1 | Dark | Down | 56.3 | 287.1 | Up | 11:12:19 - 11:19:28 | -48 |
| Lake Havasu City | 11:15:53 | -41.9 | Dark | Down | 56.0 | 287.7 | Up | 11:12:19 - 11:19:28 | -83 |
| George/Scottsdale | 11:15:48 | -39.8 | Dark | Down | 53.8 | 289.2 | Up | 11:12:14 - 11:19:23 | -88 |
| Parker | 11:15:53 | -41.8 | Dark | Down | 55.9 | 288.2 | Up | 11:12:18 - 11:19:27 | -119 |
| CPSLO | 11:16:06 | -47.0 | Dark | Down | 61.2 | 285.2 | Up | 11:12:31 - 11:19:40 | -168 |
| Blythe | 11:15:53 | -42.1 | Dark | Down | 55.9 | 288.9 | Up | 11:12:18 - 11:19:27 | -183 |
| Idyllwild | 11:15:57 | -43.8 | Dark | Down | 57.6 | 288.4 | Up | 11:12:22 - 11:19:31 | -232 |
| Wildwood | 11:16:01 | -45.4 | Dark | Down | 59.2 | 287.6 | Up | 11:12:26 - 11:19:35 | -245 |
| Calipatria | 11:15:54 | -42.8 | Dark | Down | 56.5 | 289.4 | Up | 11:12:20 - 11:19:29 | -262 |
| Yuma | 11:15:52 | -42.0 | Dark | Down | 55.7 | 290.1 | Up | 11:12:18 - 11:19:27 | -281 |
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 468861, (2024/12/29 11:17UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 10.58 148 65 Aur 07:22:02.4 +36:45:38 5.1 0.84 153 PPM 072702 07:21:30.9 +37:39:44 7.7 0.39 152 PPM 072749 07:23:46.3 +37:24:39 11.9 0.16 152 468861 07:23:22.9 +37:33:12 12.5 152 Positions are for J2000
Event circumstances last updated at 2021/03/05 00:24:19 UT
Marc W. Buie, Southwest Research Institute