Event between 15VE169 and star GA1080:00476556 with event index number of 2748162
Geocentric closest approach at 2025/12/13 05:18:56 UTC
J2000 position of star is 03:54:23.6 +18:02:09
Equinox of date position of star is 03:55:39.5 +18:05:58
Stellar brightness G=12.6,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 126 degrees from the moon.
Moon is 37% illuminated.
TNO apparent brightness V=24.1
[RECON map]
TNO is 43.5 AU from the Sun
and 42.6 AU from the Earth.
The TNO is moving 23.7
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 349 seconds.
The 1-sigma cross-track error in the shadow position is
2867 km.
The sky-plane scale is
30905.6 km/arcsec.
The TNO has an absolute magnitude Hv=7.7
Diameter=177.8 km assuming a 5% albedo -- 7.5 sec chord
Diameter=72.6 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is CLASSICAL
Star training set for 15VE169, (2025/12/13 05:19UT) Object RA Dec mag sep mel Aldebaran 04:37:24.8 +16:33:34 0.8 10.03 117 44Zet Per 03:55:46.2 +31:57:31 2.8 13.85 123 PPM 119433 03:54:39.3 +17:24:09 6.0 0.77 127 PPM 119467 03:56:55.3 +17:42:25 8.4 0.47 126 PPM 119450 03:55:53.6 +17:49:18 10.0 0.29 126 PPM 119452 03:56:02.1 +18:06:11 10.7 0.04 126 15VE169 03:55:53.1 +18:06:39 12.6 126 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
2.6 sigma about the mid-time.
The median site spacing is 26.3 km
RECON observability=1.0 and success probability=15.4%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 05:19:20 | -49.2 | Dark | Down | 54.7 | 151.3 | Up | 05:04:20 - 05:34:20 | 3183 |
| Kelowna | 05:19:19 | -50.1 | Dark | Down | 55.7 | 152.2 | Up | 05:04:19 - 05:34:19 | 3096 |
| Peachland | 05:19:20 | -49.9 | Dark | Down | 55.7 | 151.6 | Up | 05:04:20 - 05:34:20 | 3092 |
| Summerland | 05:19:20 | -50.1 | Dark | Down | 55.8 | 151.7 | Up | 05:04:20 - 05:34:20 | 3077 |
| Sleaford | 05:18:38 | -55.4 | Dark | Down | 55.9 | 175.4 | Up | 05:03:38 - 05:33:38 | 3075 |
| Penticton | 05:19:20 | -50.2 | Dark | Down | 55.9 | 151.8 | Up | 05:04:20 - 05:34:20 | 3069 |
| Victoria | 05:19:32 | -48.3 | Dark | Down | 55.5 | 145.0 | Up | 05:04:32 - 05:34:32 | 3055 |
| Oliver | 05:19:20 | -50.3 | Dark | Down | 56.2 | 151.6 | Up | 05:04:20 - 05:34:20 | 3038 |
| Anarchist Mountain Observatory | 05:19:20 | -50.5 | Dark | Down | 56.4 | 151.7 | Up | 05:04:20 - 05:34:20 | 3019 |
| Tonasket | 05:19:21 | -50.6 | Dark | Down | 56.7 | 151.4 | Up | 05:04:21 - 05:34:21 | 2993 |
| Okanogan | 05:19:22 | -50.7 | Dark | Down | 56.9 | 150.9 | Up | 05:04:22 - 05:34:22 | 2966 |
| Brewster | 05:19:23 | -50.7 | Dark | Down | 57.1 | 150.4 | Up | 05:04:23 - 05:34:23 | 2946 |
| Manson/Chelan | 05:19:24 | -50.5 | Dark | Down | 57.2 | 149.6 | Up | 05:04:24 - 05:34:24 | 2934 |
| Wenatchee | 05:19:26 | -50.6 | Dark | Down | 57.5 | 149.0 | Up | 05:04:26 - 05:34:26 | 2895 |
| Ellensburg | 05:19:27 | -50.7 | Dark | Down | 57.8 | 148.3 | Up | 05:04:27 - 05:34:27 | 2862 |
| Yakima | 05:19:27 | -50.8 | Dark | Down | 58.1 | 147.9 | Up | 05:04:27 - 05:34:27 | 2826 |
| Toppenish/White Swan | 05:19:27 | -51.0 | Dark | Down | 58.4 | 148.0 | Up | 05:04:27 - 05:34:27 | 2803 |
| Goldendale | 05:19:30 | -51.0 | Dark | Down | 58.7 | 146.8 | Up | 05:04:30 - 05:34:30 | 2761 |
| The Dalles | 05:19:31 | -50.8 | Dark | Down | 58.7 | 146.0 | Up | 05:04:31 - 05:34:31 | 2748 |
| PNWRO | 05:19:24 | -52.1 | Dark | Down | 59.2 | 150.2 | Up | 05:04:24 - 05:34:24 | 2739 |
| Maupin | 05:19:32 | -51.0 | Dark | Down | 59.1 | 145.8 | Up | 05:04:32 - 05:34:32 | 2707 |
| Sisters | 05:19:35 | -51.0 | Dark | Down | 59.7 | 144.2 | Up | 05:04:35 - 05:34:35 | 2637 |
| Bend | 05:19:34 | -51.3 | Dark | Down | 60.0 | 144.4 | Up | 05:04:34 - 05:34:34 | 2609 |
| Oregon Observatory | 05:19:35 | -51.2 | Dark | Down | 60.0 | 144.0 | Up | 05:04:35 - 05:34:35 | 2596 |
| North Lake | 05:19:34 | -51.8 | Dark | Down | 60.8 | 144.2 | Up | 05:04:34 - 05:34:34 | 2525 |
| Chiloquin | 05:19:39 | -51.4 | Dark | Down | 60.9 | 141.9 | Up | 05:04:39 - 05:34:39 | 2482 |
| Klamath Falls | 05:19:39 | -51.5 | Dark | Down | 61.2 | 141.6 | Up | 05:04:39 - 05:34:39 | 2448 |
| Lakeview | 05:19:34 | -52.5 | Dark | Down | 61.9 | 144.1 | Up | 05:04:34 - 05:34:34 | 2413 |
| Cedarville | 05:19:35 | -52.9 | Dark | Down | 62.5 | 143.7 | Up | 05:04:35 - 05:34:35 | 2347 |
| Fall River/Burney | 05:19:40 | -52.1 | Dark | Down | 62.3 | 140.9 | Up | 05:04:40 - 05:34:40 | 2328 |
| Susanville | 05:19:38 | -52.8 | Dark | Down | 63.2 | 141.5 | Up | 05:04:38 - 05:34:38 | 2251 |
| Greenville | 05:19:40 | -52.7 | Dark | Down | 63.2 | 140.6 | Up | 05:04:40 - 05:34:40 | 2231 |
| Gimple | 05:19:40 | -52.8 | Dark | Down | 63.3 | 140.8 | Up | 05:04:40 - 05:34:40 | 2229 |
| Quincy | 05:19:40 | -52.7 | Dark | Down | 63.4 | 140.4 | Up | 05:04:40 - 05:34:40 | 2211 |
| Portola | 05:19:39 | -53.1 | Dark | Down | 63.7 | 141.1 | Up | 05:04:39 - 05:34:39 | 2189 |
| Reno | 05:19:37 | -53.7 | Dark | Down | 64.2 | 141.9 | Up | 05:04:37 - 05:34:37 | 2148 |
| Carson City | 05:19:37 | -53.8 | Dark | Down | 64.5 | 141.5 | Up | 05:04:37 - 05:34:37 | 2113 |
| Gardnerville | 05:19:38 | -53.9 | Dark | Down | 64.8 | 141.3 | Up | 05:04:38 - 05:34:38 | 2088 |
| Yerington | 05:19:36 | -54.3 | Dark | Down | 65.0 | 142.5 | Up | 05:04:36 - 05:34:36 | 2079 |
| Hawthorne | 05:19:35 | -54.8 | Dark | Down | 65.6 | 142.9 | Up | 05:04:35 - 05:34:35 | 2022 |
| Lee Vining | 05:19:37 | -54.6 | Dark | Down | 65.8 | 141.2 | Up | 05:04:37 - 05:34:37 | 1978 |
| Tonopah | 05:19:31 | -56.0 | Dark | Down | 66.6 | 145.2 | Up | 05:04:31 - 05:34:31 | 1945 |
| Dunrhomin | 05:18:46 | -63.5 | Dark | Down | 67.7 | 175.2 | Up | 05:03:46 - 05:33:46 | 1933 |
| Bishop | 05:19:36 | -55.3 | Dark | Down | 66.6 | 141.8 | Up | 05:04:36 - 05:34:36 | 1902 |
| Beatty | 05:19:31 | -56.7 | Dark | Down | 67.8 | 144.6 | Up | 05:04:31 - 05:34:31 | 1819 |
| Indian Springs | 05:19:27 | -57.6 | Dark | Down | 68.5 | 146.5 | Up | 05:04:27 - 05:34:27 | 1763 |
| Henderson | 05:19:25 | -58.2 | Dark | Down | 69.3 | 147.4 | Up | 05:04:25 - 05:34:25 | 1694 |
| Patrick | 05:19:22 | -59.3 | Dark | Down | 70.3 | 149.2 | Up | 05:04:22 - 05:34:22 | 1607 |
| Laughlin/Bullhead City | 05:19:25 | -58.8 | Dark | Down | 70.2 | 147.1 | Up | 05:04:25 - 05:34:25 | 1597 |
| Kingman/Dolan Springs | 05:19:23 | -59.2 | Dark | Down | 70.4 | 148.4 | Up | 05:04:23 - 05:34:23 | 1588 |
| Wildwood | 05:19:41 | -55.8 | Dark | Down | 69.0 | 136.1 | Up | 05:04:41 - 05:34:41 | 1579 |
| Mohave Valley | 05:19:25 | -58.8 | Dark | Down | 70.4 | 146.7 | Up | 05:04:25 - 05:34:25 | 1569 |
| Lake Havasu City | 05:19:25 | -59.1 | Dark | Down | 70.9 | 146.7 | Up | 05:04:25 - 05:34:25 | 1523 |
| Idyllwild | 05:19:35 | -57.4 | Dark | Down | 70.3 | 139.6 | Up | 05:04:35 - 05:34:35 | 1499 |
| Parker | 05:19:26 | -59.2 | Dark | Down | 71.2 | 146.2 | Up | 05:04:26 - 05:34:26 | 1486 |
| Calipatria | 05:19:31 | -58.4 | Dark | Down | 71.4 | 141.3 | Up | 05:04:31 - 05:34:31 | 1409 |
| George/Scottsdale | 05:19:17 | -61.3 | Dark | Down | 72.6 | 152.1 | Up | 05:04:17 - 05:34:17 | 1390 |
| Yuma | 05:19:28 | -59.2 | Dark | Down | 72.2 | 142.8 | Up | 05:04:28 - 05:34:28 | 1345 |
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 15VE169, (2025/12/13 05:19UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 10.03 117 44Zet Per 03:54:07.9 +31:53:01 2.8 13.85 123 PPM 119433 03:53:10.3 +17:19:37 6.0 0.77 127 PPM 119467 03:55:26.0 +17:37:57 8.4 0.47 126 PPM 119450 03:54:24.3 +17:44:49 10.0 0.29 126 PPM 119452 03:54:32.6 +18:01:41 10.7 0.04 126 15VE169 03:54:23.6 +18:02:09 12.6 126 Positions are for J2000
Event circumstances last updated at 2022/01/06 23:48:31 UT
Marc W. Buie, Southwest Research Institute