Event between (492338) 14FW and star GA0640:38164765 with event index number of 2322265
Geocentric closest approach at 2025/05/29 09:53:12 UTC
J2000 position of star is 19:53:03.2 -24:22:32
Equinox of date position of star is 19:54:31.4 -24:18:38
Stellar brightness G=15.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 164 degrees from the moon.
Moon is 8% illuminated.
Apparent brightness V=22.2
[RECON map]
Object is 15.8 AU from the Sun
and 15.1 AU from the Earth.
Apparent velocity is 12.5
km/sec on the sky relative to the star, or,
4.1 arcsec/hr.
The 1-sigma error in the time of the event is 299 seconds.
The 1-sigma cross-track error in the shadow position is
1498 km.
The sky-plane scale is
10950.7 km/arcsec.
The object has an absolute magnitude Hv=10.0
Diameter=59.4 km assuming a 5% albedo -- 4.8 sec chord
Diameter=24.3 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
Star training set for 492338, (2025/05/29 09:53UT) Object RA Dec mag sep mel Fomalhaut 22:59:02.8 -29:29:13 1.2 41.19 125 38Zet Sgr 19:04:13.5 -29:50:30 2.7 12.49 176 PPM 270417 19:55:48.9 -23:52:32 6.1 0.52 164 PPM 270369 19:53:36.3 -24:22:18 8.6 0.23 164 492338 19:54:34.8 -24:18:29 15.8 164 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
3.0 sigma about the mid-time.
The median site spacing is 13.2 km
RECON observability=0.5 and success probability=1.2%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Victoria | 09:52:15 | -16.2 | AT | Down | 13.4 | 155.4 | Really Low | 09:37:15 - 10:07:15 | 4612 |
| Kamloops | 09:51:52 | -13.5 | AT | Down | 12.1 | 158.2 | Really Low | 09:36:52 - 10:06:52 | 4600 |
| Peachland | 09:51:52 | -14.1 | AT | Down | 13.1 | 158.7 | Really Low | 09:36:52 - 10:06:52 | 4576 |
| Kelowna | 09:51:50 | -13.9 | AT | Down | 13.1 | 158.9 | Really Low | 09:36:50 - 10:06:50 | 4572 |
| Summerland | 09:51:52 | -14.2 | AT | Down | 13.3 | 158.7 | Really Low | 09:36:52 - 10:06:52 | 4572 |
| Penticton | 09:51:52 | -14.2 | AT | Down | 13.4 | 158.8 | Really Low | 09:36:52 - 10:06:52 | 4569 |
| Oliver | 09:51:53 | -14.6 | AT | Down | 13.7 | 158.8 | Really Low | 09:36:53 - 10:06:53 | 4562 |
| Anarchist Mountain Observatory | 09:51:53 | -14.6 | AT | Down | 13.9 | 159.0 | Really Low | 09:36:53 - 10:06:53 | 4557 |
| Manson/Chelan | 09:52:01 | -15.9 | AT | Down | 14.8 | 158.2 | Really Low | 09:37:01 - 10:07:01 | 4548 |
| Okanogan | 09:51:56 | -15.3 | AT | Down | 14.5 | 158.7 | Really Low | 09:36:56 - 10:06:56 | 4548 |
| Brewster | 09:51:58 | -15.6 | AT | Down | 14.7 | 158.5 | Really Low | 09:36:58 - 10:06:58 | 4546 |
| Wenatchee | 09:52:03 | -16.3 | AT | Down | 15.2 | 158.0 | Really Low | 09:37:03 - 10:07:03 | 4541 |
| Ellensburg | 09:52:07 | -16.8 | AT | Down | 15.5 | 157.8 | Really Low | 09:37:07 - 10:07:07 | 4537 |
| Yakima | 09:52:08 | -17.1 | AT | Down | 15.9 | 157.7 | Really Low | 09:37:08 - 10:07:08 | 4528 |
| Toppenish/White Swan | 09:52:07 | -17.3 | AT | Down | 16.1 | 157.8 | Really Low | 09:37:07 - 10:07:07 | 4520 |
| The Dalles | 09:52:15 | -18.2 | Dark | Down | 16.6 | 157.1 | Really Low | 09:37:15 - 10:07:15 | 4516 |
| Maupin | 09:52:14 | -18.6 | Dark | Down | 17.1 | 157.1 | Really Low | 09:37:14 - 10:07:14 | 4504 |
| Sisters | 09:52:21 | -19.5 | Dark | Down | 17.7 | 156.6 | Really Low | 09:37:21 - 10:07:21 | 4491 |
| PNWRO | 09:52:01 | -17.1 | AT | Down | 16.8 | 159.1 | Really Low | 09:37:01 - 10:07:01 | 4485 |
| Bend | 09:52:21 | -19.6 | Dark | Down | 18.0 | 156.8 | Really Low | 09:37:21 - 10:07:21 | 4480 |
| Oregon Observatory | 09:52:23 | -19.8 | Dark | Down | 18.2 | 156.6 | Really Low | 09:37:23 - 10:07:23 | 4478 |
| Chiloquin | 09:52:30 | -21.1 | Dark | Down | 19.2 | 156.1 | Really Low | 09:37:30 - 10:07:30 | 4448 |
| Klamath Falls | 09:52:31 | -21.4 | Dark | Down | 19.6 | 156.1 | Really Low | 09:37:31 - 10:07:31 | 4436 |
| Fall River/Burney | 09:52:33 | -22.3 | Dark | Down | 20.8 | 156.3 | Low | 09:37:33 - 10:07:33 | 4393 |
| Cedarville | 09:52:24 | -21.5 | Dark | Down | 20.7 | 157.5 | Low | 09:37:24 - 10:07:24 | 4386 |
| Greenville | 09:52:35 | -23.0 | Dark | Down | 21.8 | 156.6 | Low | 09:37:35 - 10:07:35 | 4355 |
| Gimple | 09:52:32 | -22.9 | Dark | Down | 21.8 | 156.7 | Low | 09:37:32 - 10:07:32 | 4353 |
| Quincy | 09:52:35 | -23.1 | Dark | Down | 21.9 | 156.6 | Low | 09:37:35 - 10:07:35 | 4348 |
| Sleaford | 09:50:36 | -7.5 | NT | Down | 13.1 | 171.3 | Really Low | 09:35:36 - 10:05:36 | 4336 |
| Portola | 09:52:32 | -23.1 | Dark | Down | 22.2 | 157.0 | Low | 09:37:32 - 10:07:32 | 4335 |
| Reno | 09:52:29 | -23.1 | Dark | Down | 22.6 | 157.5 | Low | 09:37:29 - 10:07:29 | 4312 |
| Carson City | 09:52:31 | -23.4 | Dark | Down | 23.0 | 157.5 | Low | 09:37:31 - 10:07:31 | 4299 |
| Gardnerville | 09:52:30 | -23.6 | Dark | Down | 23.2 | 157.5 | Low | 09:37:30 - 10:07:30 | 4289 |
| Yerington | 09:52:27 | -23.3 | Dark | Down | 23.3 | 158.1 | Low | 09:37:27 - 10:07:27 | 4279 |
| Hawthorne | 09:52:26 | -23.5 | Dark | Down | 23.9 | 158.5 | Low | 09:37:26 - 10:07:26 | 4251 |
| Lee Vining | 09:52:31 | -24.2 | Dark | Down | 24.3 | 157.9 | Low | 09:37:31 - 10:07:31 | 4241 |
| Bishop | 09:52:28 | -24.4 | Dark | Down | 25.1 | 158.5 | Low | 09:37:28 - 10:07:28 | 4201 |
| Beatty | 09:52:18 | -24.1 | Dark | Down | 26.0 | 160.0 | Low | 09:37:18 - 10:07:18 | 4146 |
| Wildwood | 09:52:41 | -27.2 | Dark | Down | 28.1 | 157.8 | Low | 09:37:41 - 10:07:41 | 4067 |
| Laughlin/Bullhead City | 09:52:12 | -24.6 | Dark | Down | 28.2 | 161.8 | Low | 09:37:12 - 10:07:12 | 4019 |
| Patrick | 09:52:06 | -24.1 | Dark | Down | 28.1 | 162.5 | Low | 09:37:06 - 10:07:06 | 4013 |
| Idyllwild | 09:52:30 | -26.7 | Dark | Down | 29.0 | 159.5 | Low | 09:37:30 - 10:07:30 | 4008 |
| Lake Havasu City | 09:52:12 | -25.0 | Dark | Down | 28.9 | 161.9 | Low | 09:37:12 - 10:07:12 | 3982 |
| Dunrhomin | 09:50:58 | -16.1 | AT | Down | 24.9 | 171.5 | Low | 09:35:58 - 10:05:58 | 3975 |
| Nikitin | 09:50:58 | -16.3 | AT | Down | 25.1 | 171.4 | Low | 09:35:58 - 10:05:58 | 3969 |
| CU-SBO | 09:50:59 | -16.4 | AT | Down | 25.1 | 171.3 | Low | 09:35:59 - 10:05:59 | 3968 |
| Calipatria | 09:52:24 | -26.7 | Dark | Down | 29.9 | 160.5 | Low | 09:37:24 - 10:07:24 | 3949 |
| Yuma | 09:52:20 | -26.6 | Dark | Down | 30.5 | 161.3 | Up | 09:37:20 - 10:07:20 | 3905 |
| George/Scottsdale | 09:51:58 | -24.5 | Dark | Down | 30.2 | 164.2 | Up | 09:36:58 - 10:06:58 | 3881 |
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 492338, (2025/05/29 09:53UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 41.19 125 38Zet Sgr 19:02:36.7 -29:52:49 2.7 12.49 176 PPM 270417 19:54:17.6 -23:56:37 6.1 0.52 164 PPM 270369 19:52:04.6 -24:26:18 8.6 0.23 164 492338 19:53:03.2 -24:22:32 15.8 164 Positions are for J2000
Event circumstances last updated at 2024/06/13 03:51:26 UT
Marc W. Buie, Southwest Research Institute