Event between (120061) 03CO1 and star GA0560:42330536 with event index number of 2139060
Geocentric closest approach at 2025/09/02 07:59:14 UTC
J2000 position of star is 21:49:35.2 -32:28:31
Equinox of date position of star is 21:51:00.7 -32:21:41
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 46 degrees from the moon.
Moon is 70% illuminated.
Apparent brightness V=22.6
[RECON map]
Object is 22.3 AU from the Sun
and 21.4 AU from the Earth.
Apparent velocity is 22.2
km/sec on the sky relative to the star, or,
5.1 arcsec/hr.
The 1-sigma error in the time of the event is 121 seconds.
The 1-sigma cross-track error in the shadow position is
1069 km.
The sky-plane scale is
15524.0 km/arcsec.
The object has an absolute magnitude Hv=9.1
Diameter=93.3 km assuming a 5% albedo -- 4.2 sec chord
Diameter=38.1 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
Star training set for 120061, (2025/09/02 07:59UT) Object RA Dec mag sep mel Fomalhaut 22:59:03.7 -29:29:08 1.2 14.84 61 9Iot PsA 21:46:28.1 -32:54:26 4.3 1.12 45 PPM 301841 21:49:34.3 -32:13:21 8.4 0.35 46 PPM 301863 21:50:24.6 -32:16:52 9.4 0.16 46 120061 21:51:05.8 -32:21:17 16.9 46 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 50.1 km
RECON observability=0.1 and success probability=0.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Victoria | 07:57:35 | -33.6 | Dark | Down | 8.5 | 188.8 | Really Low | 07:46:58 - 08:08:11 | 4399 |
| Kamloops | 07:57:27 | -31.5 | Dark | Down | 6.0 | 191.3 | Really Low | 07:46:51 - 08:08:04 | 4368 |
| Peachland | 07:57:25 | -32.5 | Dark | Down | 6.9 | 191.8 | Really Low | 07:46:48 - 08:08:01 | 4335 |
| Kelowna | 07:57:24 | -32.4 | Dark | Down | 6.7 | 192.0 | Really Low | 07:46:47 - 08:08:00 | 4329 |
| Summerland | 07:57:24 | -32.6 | Dark | Down | 7.0 | 191.9 | Really Low | 07:46:48 - 08:08:01 | 4329 |
| Penticton | 07:57:24 | -32.7 | Dark | Down | 7.0 | 192.0 | Really Low | 07:46:48 - 08:08:01 | 4325 |
| Oliver | 07:57:23 | -33.0 | Dark | Down | 7.4 | 192.0 | Really Low | 07:46:47 - 08:08:00 | 4317 |
| Anarchist Mountain Observatory | 07:57:23 | -33.2 | Dark | Down | 7.5 | 192.1 | Really Low | 07:46:47 - 08:08:00 | 4309 |
| Manson/Chelan | 07:57:25 | -34.3 | Dark | Down | 8.7 | 191.5 | Really Low | 07:46:49 - 08:08:02 | 4303 |
| Okanogan | 07:57:23 | -33.9 | Dark | Down | 8.2 | 192.0 | Really Low | 07:46:47 - 08:08:00 | 4299 |
| Brewster | 07:57:24 | -34.1 | Dark | Down | 8.5 | 191.8 | Really Low | 07:46:47 - 08:08:00 | 4298 |
| Wenatchee | 07:57:25 | -34.8 | Dark | Down | 9.2 | 191.4 | Really Low | 07:46:49 - 08:08:02 | 4296 |
| Ellensburg | 07:57:25 | -35.2 | Dark | Down | 9.7 | 191.2 | Really Low | 07:46:49 - 08:08:02 | 4292 |
| Yakima | 07:57:25 | -35.6 | Dark | Down | 10.1 | 191.2 | Really Low | 07:46:49 - 08:08:02 | 4281 |
| The Dalles | 07:57:27 | -36.6 | Dark | Down | 11.1 | 190.7 | Really Low | 07:46:50 - 08:08:03 | 4271 |
| Toppenish/White Swan | 07:57:24 | -35.8 | Dark | Down | 10.2 | 191.4 | Really Low | 07:46:48 - 08:08:01 | 4271 |
| Maupin | 07:57:26 | -37.0 | Dark | Down | 11.5 | 190.8 | Really Low | 07:46:49 - 08:08:02 | 4257 |
| Sisters | 07:57:27 | -37.9 | Dark | Down | 12.4 | 190.4 | Really Low | 07:46:51 - 08:08:04 | 4245 |
| Bend | 07:57:27 | -38.1 | Dark | Down | 12.6 | 190.7 | Really Low | 07:46:50 - 08:08:03 | 4231 |
| Oregon Observatory | 07:57:27 | -38.3 | Dark | Down | 12.8 | 190.6 | Really Low | 07:46:50 - 08:08:03 | 4230 |
| PNWRO | 07:57:20 | -36.2 | Dark | Down | 10.4 | 192.6 | Really Low | 07:46:43 - 08:07:56 | 4220 |
| Chiloquin | 07:57:28 | -39.6 | Dark | Down | 14.2 | 190.3 | Really Low | 07:46:51 - 08:08:04 | 4200 |
| Klamath Falls | 07:57:27 | -40.0 | Dark | Down | 14.5 | 190.4 | Really Low | 07:46:51 - 08:08:04 | 4187 |
| Fall River/Burney | 07:57:26 | -41.1 | Dark | Down | 15.6 | 190.7 | Really Low | 07:46:49 - 08:08:02 | 4135 |
| Cedarville | 07:57:22 | -40.7 | Dark | Down | 15.0 | 191.8 | Really Low | 07:46:45 - 08:07:58 | 4117 |
| Greenville | 07:57:24 | -42.1 | Dark | Down | 16.4 | 191.2 | Really Low | 07:46:47 - 08:08:00 | 4090 |
| Gimple | 07:57:24 | -42.1 | Dark | Down | 16.4 | 191.2 | Really Low | 07:46:47 - 08:08:00 | 4087 |
| Quincy | 07:57:24 | -42.3 | Dark | Down | 16.6 | 191.2 | Really Low | 07:46:48 - 08:08:01 | 4082 |
| Portola | 07:57:22 | -42.4 | Dark | Down | 16.7 | 191.6 | Really Low | 07:46:45 - 08:07:58 | 4064 |
| Reno | 07:57:19 | -42.7 | Dark | Down | 16.8 | 192.2 | Really Low | 07:46:43 - 08:07:56 | 4034 |
| Carson City | 07:57:20 | -43.0 | Dark | Down | 17.2 | 192.2 | Really Low | 07:46:44 - 08:07:57 | 4020 |
| Gardnerville | 07:57:19 | -43.3 | Dark | Down | 17.4 | 192.3 | Really Low | 07:46:43 - 08:07:56 | 4009 |
| Sleaford | 07:56:50 | -29.1 | Dark | Down | 2.0 | 203.0 | Really Low | 07:46:14 - 08:07:27 | 3997 |
| Yerington | 07:57:17 | -43.2 | Dark | Down | 17.3 | 192.8 | Really Low | 07:46:41 - 08:07:54 | 3992 |
| Hawthorne | 07:57:15 | -43.7 | Dark | Down | 17.6 | 193.3 | Really Low | 07:46:39 - 08:07:52 | 3957 |
| Lee Vining | 07:57:17 | -44.3 | Dark | Down | 18.3 | 192.9 | Really Low | 07:46:40 - 08:07:53 | 3950 |
| Bishop | 07:57:14 | -44.9 | Dark | Down | 18.7 | 193.5 | Really Low | 07:46:38 - 08:07:51 | 3901 |
| Beatty | 07:57:09 | -45.3 | Dark | Down | 18.9 | 195.0 | Really Low | 07:46:32 - 08:07:45 | 3828 |
| Wildwood | 07:57:14 | -48.1 | Dark | Down | 21.9 | 193.6 | Low | 07:46:37 - 08:07:50 | 3759 |
| Idyllwild | 07:57:07 | -48.4 | Dark | Down | 21.9 | 195.3 | Low | 07:46:30 - 08:07:43 | 3679 |
| Laughlin/Bullhead City | 07:57:00 | -46.8 | Dark | Down | 20.0 | 197.0 | Low | 07:46:24 - 08:07:37 | 3672 |
| Patrick | 07:56:57 | -46.5 | Dark | Down | 19.6 | 197.6 | Really Low | 07:46:21 - 08:07:34 | 3659 |
| Lake Havasu City | 07:56:58 | -47.5 | Dark | Down | 20.6 | 197.3 | Low | 07:46:22 - 08:07:35 | 3630 |
| Calipatria | 07:57:03 | -48.9 | Dark | Down | 22.2 | 196.4 | Low | 07:46:26 - 08:07:39 | 3605 |
| Dunrhomin | 07:56:32 | -40.3 | Dark | Down | 12.7 | 204.2 | Really Low | 07:45:55 - 08:07:08 | 3558 |
| CU-SBO | 07:56:33 | -40.5 | Dark | Down | 13.0 | 204.1 | Really Low | 07:45:56 - 08:07:09 | 3551 |
| Yuma | 07:56:59 | -49.3 | Dark | Down | 22.4 | 197.2 | Low | 07:46:23 - 08:07:36 | 3551 |
| Nikitin | 07:56:33 | -40.4 | Dark | Down | 12.9 | 204.2 | Really Low | 07:45:56 - 08:07:09 | 3551 |
| George/Scottsdale | 07:56:49 | -47.9 | Dark | Down | 20.7 | 199.5 | Low | 07:46:13 - 08:07:26 | 3501 |
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 120061, (2025/09/02 07:59UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 14.84 61 9Iot PsA 21:44:56.9 -33:01:35 4.3 1.12 45 PPM 301841 21:48:03.6 -32:20:34 8.4 0.35 46 PPM 301863 21:48:54.0 -32:24:06 9.4 0.16 46 120061 21:49:35.2 -32:28:31 16.9 46 Positions are for J2000
Event circumstances last updated at 2024/03/21 22:30:16 UT
Marc W. Buie, Southwest Research Institute