Event between (578997) 14JR92 and star GA0880:07116714 with event index number of 2556935
Geocentric closest approach at 2025/03/12 10:34:09 UTC
J2000 position of star is 18:07:51.3 -01:11:50
Equinox of date position of star is 18:08:59.1 -01:11:34
Stellar brightness G=15.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 117 degrees from the moon.
Moon is 97% illuminated.
TNO apparent brightness V=23.4
[RECON map]
TNO is 33.6 AU from the Sun
and 33.7 AU from the Earth.
The TNO is moving 14.3
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 243 seconds.
The 1-sigma cross-track error in the shadow position is
3721 km.
The sky-plane scale is
24455.9 km/arcsec.
The TNO has an absolute magnitude Hv=7.9
Diameter=157.8 km assuming a 5% albedo -- 11.0 sec chord
Diameter=64.4 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is CENTAURR
Star training set for 578997, (2025/03/12 10:34UT) Object RA Dec mag sep mel Antares 16:30:57.4 -26:29:08 0.9 34.59 99 60Bet Oph 17:44:43.1 +04:33:31 2.8 8.39 110 PPM 201570 18:18:12.4 -02:59:54 5.9 2.89 120 PPM 180249 18:08:24.6 -01:45:57 8.5 0.60 117 PPM 180245 18:08:14.7 -01:15:02 9.5 0.24 117 PPM 180251 18:08:35.1 -01:11:39 10.7 0.14 117 578997 18:09:09.5 -01:11:32 15.5 118 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
3.7 sigma about the mid-time.
The median site spacing is 15.0 km
RECON observability=0.3 and success probability=2.6%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Victoria | 10:34:28 | -36.7 | Dark | Up | 14.4 | 108.9 | Really Low | 10:19:28 - 10:49:28 | 3505 |
| Peachland | 10:35:15 | -34.0 | Dark | Up | 16.3 | 112.3 | Really Low | 10:20:15 - 10:50:15 | 3463 |
| Summerland | 10:35:15 | -34.1 | Dark | Up | 16.5 | 112.4 | Really Low | 10:20:15 - 10:50:15 | 3462 |
| Penticton | 10:35:15 | -34.1 | Dark | Up | 16.6 | 112.5 | Really Low | 10:20:15 - 10:50:15 | 3460 |
| Kelowna | 10:35:15 | -33.8 | Dark | Up | 16.5 | 112.6 | Really Low | 10:20:15 - 10:50:15 | 3454 |
| Clarence Fulton | 10:35:15 | -33.5 | Dark | Up | 16.4 | 112.9 | Really Low | 10:20:15 - 10:50:15 | 3446 |
| The Dalles | 10:34:10 | -37.7 | Dark | Up | 16.8 | 109.8 | Really Low | 10:19:10 - 10:49:10 | 3445 |
| Ellensburg | 10:34:23 | -36.4 | Dark | Up | 16.7 | 110.8 | Really Low | 10:19:23 - 10:49:23 | 3441 |
| Sisters | 10:34:01 | -38.8 | Dark | Up | 16.9 | 109.1 | Really Low | 10:19:01 - 10:49:01 | 3441 |
| Yakima | 10:34:20 | -36.7 | Dark | Up | 16.9 | 110.6 | Really Low | 10:19:20 - 10:49:20 | 3439 |
| Wenatchee | 10:34:27 | -36.0 | Dark | Up | 16.7 | 111.1 | Really Low | 10:19:27 - 10:49:27 | 3439 |
| Maupin | 10:34:09 | -38.0 | Dark | Up | 17.0 | 109.8 | Really Low | 10:19:09 - 10:49:09 | 3439 |
| Goldendale | 10:34:14 | -37.4 | Dark | Up | 17.0 | 110.2 | Really Low | 10:19:14 - 10:49:14 | 3439 |
| Manson/Chelan | 10:34:31 | -35.6 | Dark | Up | 16.7 | 111.4 | Really Low | 10:19:31 - 10:49:31 | 3438 |
| Oregon Observatory | 10:33:58 | -39.1 | Dark | Up | 17.1 | 109.1 | Really Low | 10:18:58 - 10:48:58 | 3434 |
| Toppenish/White Swan | 10:34:18 | -36.8 | Dark | Up | 17.0 | 110.7 | Really Low | 10:19:18 - 10:49:18 | 3433 |
| La Pine/Gilchrist | 10:33:56 | -39.2 | Dark | Up | 17.2 | 109.0 | Really Low | 10:18:56 - 10:48:56 | 3433 |
| Bend | 10:34:02 | -38.9 | Dark | Up | 17.2 | 109.2 | Really Low | 10:19:02 - 10:49:02 | 3433 |
| Redmond | 10:34:03 | -38.6 | Dark | Up | 17.2 | 109.4 | Really Low | 10:19:03 - 10:49:03 | 3432 |
| Brewster | 10:34:32 | -35.3 | Dark | Up | 16.8 | 111.7 | Really Low | 10:19:32 - 10:49:32 | 3431 |
| Oliver | 10:34:41 | -34.4 | Dark | Up | 16.6 | 112.2 | Really Low | 10:19:41 - 10:49:41 | 3430 |
| Okanogan | 10:34:35 | -35.0 | Dark | Up | 16.9 | 112.0 | Really Low | 10:19:35 - 10:49:35 | 3427 |
| Chiloquin | 10:33:48 | -40.2 | Dark | Up | 17.2 | 108.4 | Really Low | 10:18:48 - 10:48:48 | 3426 |
| Anarchist Mountain Observatory | 10:34:40 | -34.4 | Dark | Up | 16.8 | 112.4 | Really Low | 10:19:40 - 10:49:40 | 3426 |
| Tonasket | 10:34:37 | -34.7 | Dark | Up | 16.8 | 112.2 | Really Low | 10:19:37 - 10:49:37 | 3426 |
| Klamath Falls | 10:33:46 | -40.4 | Dark | Up | 17.4 | 108.3 | Really Low | 10:18:46 - 10:48:46 | 3419 |
| North Lake | 10:33:56 | -39.2 | Dark | Up | 17.7 | 109.3 | Really Low | 10:18:56 - 10:48:56 | 3414 |
| Pasco | 10:34:23 | -36.2 | Dark | Up | 17.9 | 111.7 | Really Low | 10:19:23 - 10:49:23 | 3404 |
| Paisley | 10:33:53 | -39.4 | Dark | Up | 18.1 | 109.4 | Really Low | 10:18:53 - 10:48:53 | 3398 |
| PNWRO | 10:34:20 | -36.2 | Dark | Up | 18.2 | 111.8 | Really Low | 10:19:20 - 10:49:20 | 3397 |
| Fall River/Burney | 10:33:38 | -41.0 | Dark | Up | 18.0 | 108.2 | Really Low | 10:18:38 - 10:48:38 | 3392 |
| Lakeview | 10:33:49 | -39.6 | Dark | Up | 18.4 | 109.4 | Really Low | 10:18:49 - 10:48:49 | 3386 |
| Cedarville | 10:33:44 | -40.0 | Dark | Up | 18.8 | 109.3 | Really Low | 10:18:44 - 10:48:44 | 3372 |
| Greenville | 10:33:31 | -41.3 | Dark | Up | 18.6 | 108.2 | Really Low | 10:18:31 - 10:48:31 | 3366 |
| Susanville | 10:33:35 | -41.0 | Dark | Up | 18.7 | 108.5 | Really Low | 10:18:35 - 10:48:35 | 3364 |
| Gimple | 10:33:31 | -41.3 | Dark | Up | 18.7 | 108.3 | Really Low | 10:18:31 - 10:48:31 | 3364 |
| Quincy | 10:33:31 | -41.5 | Dark | Up | 18.7 | 108.2 | Really Low | 10:18:31 - 10:48:31 | 3362 |
| Portola | 10:33:30 | -41.3 | Dark | Up | 19.1 | 108.5 | Really Low | 10:18:30 - 10:48:30 | 3349 |
| Reno | 10:33:32 | -41.0 | Dark | Up | 19.6 | 108.9 | Really Low | 10:18:32 - 10:48:32 | 3327 |
| Carson City | 10:33:27 | -41.3 | Dark | Up | 19.7 | 108.7 | Really Low | 10:18:27 - 10:48:27 | 3319 |
| Gardnerville | 10:33:25 | -41.4 | Dark | Up | 19.8 | 108.7 | Really Low | 10:18:25 - 10:48:25 | 3313 |
| Yerington | 10:33:28 | -41.0 | Dark | Up | 20.3 | 109.1 | Low | 10:18:28 - 10:48:28 | 3299 |
| Lee Vining | 10:33:20 | -41.6 | Dark | Up | 20.6 | 108.8 | Low | 10:18:20 - 10:48:20 | 3276 |
| Hawthorne | 10:33:26 | -40.9 | Dark | Up | 20.8 | 109.3 | Low | 10:18:26 - 10:48:26 | 3275 |
| CPSLO | 10:32:56 | -44.3 | Dark | Up | 20.2 | 106.7 | Low | 10:17:56 - 10:47:56 | 3247 |
| Bishop | 10:33:19 | -41.5 | Dark | Up | 21.3 | 109.1 | Low | 10:18:19 - 10:48:19 | 3242 |
| Tonopah | 10:33:26 | -40.3 | Dark | Up | 22.0 | 110.2 | Low | 10:18:26 - 10:48:26 | 3227 |
| Beatty | 10:33:19 | -40.7 | Dark | Up | 22.7 | 110.1 | Low | 10:18:19 - 10:48:19 | 3185 |
| Wildwood | 10:32:54 | -43.6 | Dark | Up | 22.1 | 107.6 | Low | 10:17:54 - 10:47:54 | 3157 |
| Indian Springs | 10:33:19 | -40.1 | Dark | Up | 23.7 | 110.7 | Low | 10:18:19 - 10:48:19 | 3144 |
| Henderson | 10:33:18 | -40.0 | Dark | Up | 24.4 | 111.0 | Low | 10:18:18 - 10:48:18 | 3108 |
| Idyllwild | 10:32:56 | -42.4 | Dark | Up | 23.7 | 108.7 | Low | 10:17:56 - 10:47:56 | 3093 |
| Laughlin/Bullhead City | 10:33:12 | -40.1 | Dark | Up | 25.0 | 110.9 | Low | 10:18:12 - 10:48:12 | 3070 |
| Mohave Valley | 10:33:10 | -40.3 | Dark | Up | 25.1 | 110.8 | Low | 10:18:10 - 10:48:10 | 3062 |
| Patrick | 10:33:14 | -39.5 | Dark | Up | 25.4 | 111.5 | Low | 10:18:14 - 10:48:14 | 3056 |
| Kingman/Dolan Springs | 10:33:13 | -39.8 | Dark | Up | 25.4 | 111.3 | Low | 10:18:13 - 10:48:13 | 3055 |
| Lake Havasu City | 10:33:09 | -40.3 | Dark | Up | 25.4 | 110.7 | Low | 10:18:09 - 10:48:09 | 3042 |
| Calipatria | 10:32:53 | -41.9 | Dark | Up | 24.9 | 109.3 | Low | 10:17:53 - 10:47:53 | 3036 |
| Parker | 10:33:05 | -40.5 | Dark | Up | 25.5 | 110.6 | Low | 10:18:05 - 10:48:05 | 3030 |
| Blythe | 10:33:02 | -40.9 | Dark | Up | 25.5 | 110.1 | Low | 10:18:02 - 10:48:02 | 3023 |
| Yuma | 10:32:55 | -41.4 | Dark | Up | 25.7 | 109.7 | Low | 10:17:55 - 10:47:55 | 2994 |
| George/Scottsdale | 10:33:07 | -38.9 | Dark | Up | 27.6 | 112.1 | Low | 10:18:07 - 10:48:07 | 2936 |
| Dunrhomin | 10:34:14 | -31.0 | Dark | Up | 29.6 | 120.9 | Low | 10:19:14 - 10:49:14 | 2886 |
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 578997, (2025/03/12 10:34UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 34.59 99 60Bet Oph 17:43:28.3 +04:34:06 2.8 8.39 110 PPM 201570 18:16:53.1 -03:00:33 5.9 2.89 120 PPM 180249 18:07:06.1 -01:46:14 8.5 0.60 117 PPM 180245 18:06:56.5 -01:15:18 9.5 0.24 117 PPM 180251 18:07:17.0 -01:11:57 10.7 0.14 117 578997 18:07:51.3 -01:11:50 15.5 117 Positions are for J2000
Event circumstances last updated at 2021/11/07 01:37:29 UT
Marc W. Buie, Southwest Research Institute