Event between (524834) 03YL179 and star GA1120:02408936 with event index number of 2217959
Geocentric closest approach at 2025/02/19 06:22:20 UTC
J2000 position of star is 06:44:16.6 +22:12:01
Equinox of date position of star is 06:45:43.7 +22:10:27
Stellar brightness G=15.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 124 degrees from the moon.
Moon is 64% illuminated.
Apparent brightness V=23.4
[RECON map]
Object is 38.7 AU from the Sun
and 38.1 AU from the Earth.
Apparent velocity is 14.7
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 1143 seconds.
The 1-sigma cross-track error in the shadow position is
3429 km.
The sky-plane scale is
27638.7 km/arcsec.
The object has an absolute magnitude Hv=7.4
Diameter=208.9 km assuming a 5% albedo -- 13.8 sec chord
Diameter=85.3 km assuming a 30% albedo -- 5.6 sec chord
Dynamical classification is CLASSICAL
Star training set for 524834, (2025/02/19 06:22UT) Object RA Dec mag sep mel Pollux 07:46:51.2 +27:57:48 1.1 14.98 112 Alhena 06:39:09.8 +16:22:32 1.9 6.00 125 PPM 096308 06:40:36.0 +22:00:23 6.0 1.21 126 PPM 096536 06:48:43.8 +22:09:53 8.2 0.68 124 PPM 096445 06:45:16.1 +22:26:17 9.6 0.29 125 524834 06:45:47.3 +22:10:23 15.7 124 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
0.8 sigma about the mid-time.
The median site spacing is 29.0 km
RECON observability=1.0 and success probability=2.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 06:19:55 | -47.5 | Dark | Down | 48.6 | 238.3 | Up | 06:04:55 - 06:34:55 | 9917 |
| Kamloops | 06:20:49 | -44.1 | Dark | Down | 56.3 | 221.1 | Up | 06:05:49 - 06:35:49 | 9532 |
| Kelowna | 06:20:43 | -45.1 | Dark | Down | 56.5 | 223.2 | Up | 06:05:43 - 06:35:43 | 9471 |
| Peachland | 06:20:44 | -45.0 | Dark | Down | 56.7 | 222.9 | Up | 06:05:44 - 06:35:44 | 9456 |
| Summerland | 06:20:43 | -45.2 | Dark | Down | 56.8 | 223.2 | Up | 06:05:43 - 06:35:43 | 9444 |
| Penticton | 06:20:42 | -45.3 | Dark | Down | 56.8 | 223.4 | Up | 06:05:42 - 06:35:42 | 9439 |
| Oliver | 06:20:41 | -45.5 | Dark | Down | 57.0 | 223.8 | Up | 06:05:41 - 06:35:41 | 9406 |
| Anarchist Mountain Observatory | 06:20:41 | -45.8 | Dark | Down | 57.1 | 224.2 | Up | 06:05:41 - 06:35:41 | 9394 |
| Okanogan | 06:20:38 | -46.1 | Dark | Down | 57.6 | 224.6 | Up | 06:05:38 - 06:35:38 | 9329 |
| Brewster | 06:20:38 | -46.3 | Dark | Down | 57.9 | 224.6 | Up | 06:05:38 - 06:35:38 | 9300 |
| Victoria | 06:20:56 | -44.3 | Dark | Down | 59.2 | 218.6 | Up | 06:05:56 - 06:35:56 | 9282 |
| Manson/Chelan | 06:20:40 | -46.2 | Dark | Down | 58.2 | 224.3 | Up | 06:05:40 - 06:35:40 | 9274 |
| Wenatchee | 06:20:41 | -46.5 | Dark | Down | 58.6 | 224.6 | Up | 06:05:41 - 06:35:41 | 9227 |
| Ellensburg | 06:20:40 | -46.7 | Dark | Down | 59.0 | 224.7 | Up | 06:05:40 - 06:35:40 | 9183 |
| Yakima | 06:20:38 | -47.0 | Dark | Down | 59.3 | 225.2 | Up | 06:05:38 - 06:35:38 | 9144 |
| Toppenish/White Swan | 06:20:37 | -47.2 | Dark | Down | 59.4 | 225.7 | Up | 06:05:37 - 06:35:37 | 9126 |
| PNWRO | 06:20:30 | -48.2 | Dark | Down | 58.9 | 228.4 | Up | 06:05:30 - 06:35:30 | 9117 |
| The Dalles | 06:20:39 | -47.4 | Dark | Down | 60.3 | 225.4 | Up | 06:05:39 - 06:35:39 | 9038 |
| Maupin | 06:20:37 | -47.7 | Dark | Down | 60.6 | 226.1 | Up | 06:05:37 - 06:35:37 | 8999 |
| Sisters | 06:20:37 | -48.1 | Dark | Down | 61.5 | 226.5 | Up | 06:05:37 - 06:35:37 | 8904 |
| Bend | 06:20:37 | -48.4 | Dark | Down | 61.5 | 227.2 | Up | 06:05:37 - 06:35:37 | 8886 |
| Oregon Observatory | 06:20:36 | -48.4 | Dark | Down | 61.7 | 227.2 | Up | 06:05:36 - 06:35:36 | 8866 |
| Dunrhomin | 06:19:08 | -58.5 | Dark | Down | 53.2 | 252.2 | Up | 06:04:08 - 06:34:08 | 8859 |
| Nikitin | 06:19:07 | -58.6 | Dark | Down | 53.3 | 252.4 | Up | 06:04:07 - 06:34:07 | 8841 |
| CU-SBO | 06:19:07 | -58.6 | Dark | Down | 53.4 | 252.4 | Up | 06:04:07 - 06:34:07 | 8833 |
| Chiloquin | 06:20:35 | -49.1 | Dark | Down | 62.8 | 228.4 | Up | 06:05:35 - 06:35:35 | 8729 |
| Klamath Falls | 06:20:33 | -49.4 | Dark | Down | 63.0 | 229.0 | Up | 06:05:33 - 06:35:33 | 8696 |
| Cedarville | 06:20:24 | -50.7 | Dark | Down | 62.5 | 232.5 | Up | 06:05:24 - 06:35:24 | 8656 |
| Fall River/Burney | 06:20:29 | -50.3 | Dark | Down | 63.5 | 231.4 | Up | 06:05:29 - 06:35:29 | 8585 |
| Gimple | 06:20:24 | -51.2 | Dark | Down | 63.8 | 233.6 | Up | 06:05:24 - 06:35:24 | 8503 |
| Greenville | 06:20:25 | -51.2 | Dark | Down | 63.8 | 233.5 | Up | 06:05:25 - 06:35:25 | 8501 |
| Quincy | 06:20:25 | -51.3 | Dark | Down | 63.9 | 233.9 | Up | 06:05:25 - 06:35:25 | 8481 |
| Portola | 06:20:21 | -51.7 | Dark | Down | 63.7 | 234.8 | Up | 06:05:21 - 06:35:21 | 8477 |
| Reno | 06:20:17 | -52.2 | Dark | Down | 63.5 | 236.2 | Up | 06:05:17 - 06:35:17 | 8463 |
| Carson City | 06:20:15 | -52.4 | Dark | Down | 63.6 | 236.8 | Up | 06:05:15 - 06:35:15 | 8427 |
| Yerington | 06:20:11 | -52.9 | Dark | Down | 63.3 | 238.1 | Up | 06:05:11 - 06:35:11 | 8420 |
| Gardnerville | 06:20:15 | -52.6 | Dark | Down | 63.8 | 237.3 | Up | 06:05:15 - 06:35:15 | 8403 |
| Hawthorne | 06:20:08 | -53.5 | Dark | Down | 63.2 | 239.6 | Up | 06:05:08 - 06:35:08 | 8383 |
| Lee Vining | 06:20:09 | -53.6 | Dark | Down | 63.9 | 239.9 | Up | 06:05:09 - 06:35:09 | 8316 |
| Bishop | 06:20:04 | -54.4 | Dark | Down | 63.7 | 241.9 | Up | 06:05:04 - 06:35:04 | 8270 |
| Beatty | 06:19:54 | -55.7 | Dark | Down | 62.7 | 244.8 | Up | 06:04:54 - 06:34:54 | 8257 |
| Patrick | 06:19:35 | -58.4 | Dark | Down | 61.2 | 250.7 | Up | 06:04:35 - 06:34:35 | 8169 |
| Laughlin/Bullhead City | 06:19:38 | -58.1 | Dark | Down | 61.8 | 250.4 | Up | 06:04:38 - 06:34:38 | 8127 |
| Lake Havasu City | 06:19:36 | -58.7 | Dark | Down | 61.8 | 251.8 | Up | 06:04:36 - 06:34:36 | 8064 |
| George/Scottsdale | 06:19:20 | -60.7 | Dark | Down | 60.1 | 255.5 | Up | 06:04:20 - 06:34:20 | 8043 |
| Idyllwild | 06:19:46 | -57.8 | Dark | Down | 63.9 | 250.7 | Up | 06:04:46 - 06:34:46 | 7932 |
| Wildwood | 06:19:58 | -56.3 | Dark | Down | 65.2 | 247.8 | Up | 06:04:58 - 06:34:58 | 7928 |
| Calipatria | 06:19:37 | -58.9 | Dark | Down | 63.2 | 253.1 | Up | 06:04:37 - 06:34:37 | 7895 |
| Yuma | 06:19:32 | -59.7 | Dark | Down | 62.6 | 254.8 | Up | 06:04:32 - 06:34:32 | 7871 |
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 524834, (2025/02/19 06:22UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 14.98 112 Alhena 06:37:42.8 +16:23:57 1.9 6.00 125 PPM 096308 06:39:05.3 +22:01:51 6.0 1.21 126 PPM 096536 06:47:13.1 +22:11:38 8.2 0.68 124 PPM 096445 06:43:45.2 +22:27:55 9.6 0.29 125 524834 06:44:16.6 +22:12:01 15.7 124 Positions are for J2000
Event circumstances last updated at 2024/02/15 05:58:33 UT
Marc W. Buie, Southwest Research Institute