Event between 15VL169 and star GA1080:00444134 with event index number of 2748274
Geocentric closest approach at 2024/12/30 07:15:57 UTC
J2000 position of star is 03:43:57.4 +18:22:14
Equinox of date position of star is 03:45:13.2 +18:26:19
Stellar brightness G=14.0,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 146 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=24.1
[RECON map]
TNO is 46.0 AU from the Sun
and 45.3 AU from the Earth.
The TNO is moving 18.6
km/sec on the sky relative to the star, or,
2.0 arcsec/hr.
The 1-sigma error in the time of the event is 470 seconds.
The 1-sigma cross-track error in the shadow position is
3532 km.
The sky-plane scale is
32825.8 km/arcsec.
The TNO has an absolute magnitude Hv=7.4
Diameter=199.5 km assuming a 5% albedo -- 10.7 sec chord
Diameter=81.5 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is CLASSICAL
Star training set for 15VL169, (2024/12/30 07:16UT) Object RA Dec mag sep mel Aldebaran 04:37:21.5 +16:33:27 0.8 12.53 156 44Zet Per 03:55:42.6 +31:57:21 2.8 13.71 151 13 Tau 03:43:45.7 +19:46:42 5.7 1.39 146 PPM 119299 03:44:02.2 +17:22:18 7.6 1.12 145 PPM 119293 03:43:38.7 +18:24:51 9.8 0.42 146 15VL169 03:45:23.5 +18:26:53 14.0 146 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
1.9 sigma about the mid-time.
The median site spacing is 29.3 km
RECON observability=1.0 and success probability=12.6%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 07:12:55 | -61.0 | Dark | Down | 41.1 | 244.0 | Up | 06:57:55 - 07:27:55 | -2498 |
| Kamloops | 07:13:35 | -60.8 | Dark | Down | 49.3 | 229.0 | Up | 06:58:35 - 07:28:35 | -2692 |
| Kelowna | 07:13:31 | -61.7 | Dark | Down | 49.4 | 230.9 | Up | 06:58:31 - 07:28:31 | -2769 |
| Peachland | 07:13:31 | -61.8 | Dark | Down | 49.6 | 230.6 | Up | 06:58:31 - 07:28:31 | -2781 |
| Summerland | 07:13:31 | -61.9 | Dark | Down | 49.6 | 230.8 | Up | 06:58:31 - 07:28:31 | -2795 |
| Penticton | 07:13:30 | -62.0 | Dark | Down | 49.6 | 231.0 | Up | 06:58:30 - 07:28:30 | -2801 |
| Oliver | 07:13:30 | -62.3 | Dark | Down | 49.8 | 231.4 | Up | 06:58:30 - 07:28:30 | -2836 |
| Anarchist Mountain Observatory | 07:13:29 | -62.5 | Dark | Down | 49.9 | 231.7 | Up | 06:58:29 - 07:28:29 | -2852 |
| Tonasket | 07:13:29 | -62.8 | Dark | Down | 50.1 | 232.0 | Up | 06:58:29 - 07:28:29 | -2883 |
| Victoria | 07:13:42 | -61.7 | Dark | Down | 52.2 | 227.1 | Up | 06:58:42 - 07:28:42 | -2903 |
| Okanogan | 07:13:29 | -63.1 | Dark | Down | 50.4 | 232.1 | Up | 06:58:29 - 07:28:29 | -2916 |
| Brewster | 07:13:29 | -63.2 | Dark | Down | 50.6 | 232.1 | Up | 06:58:29 - 07:28:29 | -2943 |
| Manson/Chelan | 07:13:30 | -63.3 | Dark | Down | 51.0 | 231.8 | Up | 06:58:30 - 07:28:30 | -2964 |
| Wenatchee | 07:13:30 | -63.7 | Dark | Down | 51.3 | 232.1 | Up | 06:58:30 - 07:28:30 | -3011 |
| Ellensburg | 07:13:30 | -64.0 | Dark | Down | 51.7 | 232.2 | Up | 06:58:30 - 07:28:30 | -3053 |
| Yakima | 07:13:30 | -64.4 | Dark | Down | 52.0 | 232.6 | Up | 06:58:30 - 07:28:30 | -3093 |
| Toppenish/White Swan | 07:13:28 | -64.6 | Dark | Down | 52.0 | 233.0 | Up | 06:58:28 - 07:28:28 | -3115 |
| PNWRO | 07:13:23 | -65.4 | Dark | Down | 51.4 | 235.2 | Up | 06:58:23 - 07:28:23 | -3150 |
| Goldendale | 07:13:30 | -64.9 | Dark | Down | 52.6 | 233.1 | Up | 06:58:30 - 07:28:30 | -3171 |
| The Dalles | 07:13:31 | -65.0 | Dark | Down | 52.9 | 232.9 | Up | 06:58:31 - 07:28:31 | -3194 |
| Maupin | 07:13:30 | -65.4 | Dark | Down | 53.1 | 233.4 | Up | 06:58:30 - 07:28:30 | -3236 |
| Sisters | 07:13:31 | -66.0 | Dark | Down | 53.9 | 233.8 | Up | 06:58:31 - 07:28:31 | -3326 |
| Bend | 07:13:29 | -66.3 | Dark | Down | 53.9 | 234.4 | Up | 06:58:29 - 07:28:29 | -3350 |
| Oregon Observatory | 07:13:30 | -66.4 | Dark | Down | 54.1 | 234.4 | Up | 06:58:30 - 07:28:30 | -3367 |
| North Lake | 07:13:27 | -67.1 | Dark | Down | 54.1 | 235.8 | Up | 06:58:27 - 07:28:27 | -3432 |
| Chiloquin | 07:13:30 | -67.3 | Dark | Down | 55.1 | 235.4 | Up | 06:58:30 - 07:28:30 | -3503 |
| Klamath Falls | 07:13:29 | -67.6 | Dark | Down | 55.2 | 235.9 | Up | 06:58:29 - 07:28:29 | -3538 |
| Lakeview | 07:13:23 | -68.2 | Dark | Down | 54.4 | 237.7 | Up | 06:58:23 - 07:28:23 | -3541 |
| Cedarville | 07:13:22 | -68.8 | Dark | Down | 54.6 | 238.7 | Up | 06:58:22 - 07:28:22 | -3609 |
| Fall River/Burney | 07:13:26 | -68.7 | Dark | Down | 55.6 | 237.8 | Up | 06:58:26 - 07:28:26 | -3660 |
| Dunrhomin | 07:12:27 | -72.8 | Dark | Down | 44.8 | 255.0 | Up | 06:57:27 - 07:27:27 | -3664 |
| Susanville | 07:13:23 | -69.5 | Dark | Down | 55.5 | 239.5 | Up | 06:58:23 - 07:28:23 | -3725 |
| Greenville | 07:13:24 | -69.6 | Dark | Down | 55.8 | 239.4 | Up | 06:58:24 - 07:28:24 | -3755 |
| Gimple | 07:13:23 | -69.7 | Dark | Down | 55.8 | 239.5 | Up | 06:58:23 - 07:28:23 | -3755 |
| Quincy | 07:13:23 | -69.8 | Dark | Down | 55.9 | 239.7 | Up | 06:58:23 - 07:28:23 | -3776 |
| Portola | 07:13:22 | -70.1 | Dark | Down | 55.7 | 240.4 | Up | 06:58:22 - 07:28:22 | -3789 |
| Reno | 07:13:18 | -70.6 | Dark | Down | 55.4 | 241.5 | Up | 06:58:18 - 07:28:18 | -3816 |
| Carson City | 07:13:18 | -70.9 | Dark | Down | 55.5 | 242.0 | Up | 06:58:18 - 07:28:18 | -3853 |
| Yerington | 07:13:16 | -71.4 | Dark | Down | 55.2 | 243.0 | Up | 06:58:16 - 07:28:16 | -3873 |
| Gardnerville | 07:13:18 | -71.1 | Dark | Down | 55.6 | 242.4 | Up | 06:58:18 - 07:28:18 | -3879 |
| Hawthorne | 07:13:13 | -72.0 | Dark | Down | 55.0 | 244.2 | Up | 06:58:13 - 07:28:13 | -3921 |
| Tonopah | 07:13:07 | -73.0 | Dark | Down | 54.3 | 246.3 | Up | 06:58:07 - 07:28:07 | -3966 |
| Lee Vining | 07:13:14 | -72.2 | Dark | Down | 55.6 | 244.4 | Up | 06:58:14 - 07:28:14 | -3981 |
| Bishop | 07:13:11 | -73.0 | Dark | Down | 55.4 | 245.9 | Up | 06:58:11 - 07:28:11 | -4043 |
| Beatty | 07:13:04 | -74.1 | Dark | Down | 54.4 | 248.2 | Up | 06:58:04 - 07:28:04 | -4088 |
| Indian Springs | 07:12:59 | -74.8 | Dark | Down | 53.7 | 249.7 | Up | 06:57:59 - 07:27:59 | -4119 |
| Henderson | 07:12:56 | -75.6 | Dark | Down | 53.4 | 251.0 | Up | 06:57:56 - 07:27:56 | -4173 |
| Patrick | 07:12:51 | -76.5 | Dark | Down | 52.7 | 252.8 | Up | 06:57:51 - 07:27:51 | -4235 |
| Kingman/Dolan Springs | 07:12:51 | -76.7 | Dark | Down | 52.9 | 252.9 | Up | 06:57:51 - 07:27:51 | -4260 |
| Laughlin/Bullhead City | 07:12:54 | -76.5 | Dark | Down | 53.3 | 252.5 | Up | 06:57:54 - 07:27:54 | -4265 |
| Mohave Valley | 07:12:53 | -76.7 | Dark | Down | 53.4 | 252.9 | Up | 06:57:53 - 07:27:53 | -4294 |
| Lake Havasu City | 07:12:51 | -77.2 | Dark | Down | 53.3 | 253.6 | Up | 06:57:51 - 07:27:51 | -4336 |
| Parker | 07:12:51 | -77.5 | Dark | Down | 53.4 | 254.1 | Up | 06:57:51 - 07:27:51 | -4374 |
| Wildwood | 07:13:09 | -75.4 | Dark | Down | 56.8 | 250.2 | Up | 06:58:09 - 07:28:09 | -4394 |
| George/Scottsdale | 07:12:41 | -78.7 | Dark | Down | 51.6 | 256.6 | Up | 06:57:41 - 07:27:41 | -4407 |
| Idyllwild | 07:13:00 | -76.7 | Dark | Down | 55.4 | 252.5 | Up | 06:58:00 - 07:28:00 | -4427 |
| Calipatria | 07:12:55 | -77.8 | Dark | Down | 54.7 | 254.4 | Up | 06:57:55 - 07:27:55 | -4489 |
| Yuma | 07:12:51 | -78.6 | Dark | Down | 54.1 | 255.7 | Up | 06:57:51 - 07:27:51 | -4532 |
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 15VL169, (2024/12/30 07:16UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 12.53 156 44Zet Per 03:54:07.9 +31:53:01 2.8 13.71 151 13 Tau 03:42:18.9 +19:42:01 5.7 1.39 146 PPM 119299 03:42:36.7 +17:17:37 7.6 1.12 145 PPM 119293 03:42:12.7 +18:20:09 9.8 0.42 146 15VL169 03:43:57.4 +18:22:14 14.0 146 Positions are for J2000
Event circumstances last updated at 2022/01/03 23:15:40 UT
Marc W. Buie, Southwest Research Institute