Event between (577627) 13HZ156 and star GA0880:04750906 with event index number of 2524565
Geocentric closest approach at 2025/02/07 10:27:26 UTC
J2000 position of star is 16:19:51.9 -01:05:02
Equinox of date position of star is 16:20:59.6 -01:08:06
Stellar brightness G=15.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 152 degrees from the moon.
Moon is 73% illuminated.
TNO apparent brightness V=23.2
[RECON map]
TNO is 38.2 AU from the Sun
and 38.4 AU from the Earth.
The TNO is moving 16.4
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 432 seconds.
The 1-sigma cross-track error in the shadow position is
4708 km.
The sky-plane scale is
27843.9 km/arcsec.
The TNO has an absolute magnitude Hv=7.2
Diameter=217.8 km assuming a 5% albedo -- 13.3 sec chord
Diameter=88.9 km assuming a 30% albedo -- 5.4 sec chord
Dynamical classification is SCATEXTD
Star training set for 577627, (2025/02/07 10:27UT) Object RA Dec mag sep mel Antares 16:30:57.0 -26:29:08 0.9 25.45 174 1Del Oph 16:15:39.8 -03:45:25 2.7 2.95 154 PPM 199363 16:11:09.5 -03:31:52 5.0 3.46 153 PPM 179797 16:24:23.6 -00:54:47 8.0 0.84 152 PPM 179776 16:19:45.9 -00:54:56 9.8 0.42 152 PPM 179784 16:21:39.1 -01:18:39 10.3 0.21 152 577627 16:21:09.7 -01:08:34 15.1 152 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
2.1 sigma about the mid-time.
The median site spacing is 0.0 km
RECON observability=0.0 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) |
| Clarence Fulton | 10:26:22 | -45.6 | Dark | Up | 11.8 | 106.4 | Really Low | 10:11:22 - 10:41:22 | 3908 |
| Victoria | 10:26:05 | -48.8 | Dark | Up | 9.7 | 102.8 | Really Low | 10:11:05 - 10:41:05 | 3903 |
| Peachland | 10:26:18 | -46.1 | Dark | Up | 11.7 | 105.9 | Really Low | 10:11:18 - 10:41:18 | 3901 |
| Kelowna | 10:26:19 | -45.9 | Dark | Up | 11.9 | 106.2 | Really Low | 10:11:19 - 10:41:19 | 3900 |
| Summerland | 10:26:17 | -46.2 | Dark | Up | 11.8 | 106.0 | Really Low | 10:11:17 - 10:41:17 | 3896 |
| Penticton | 10:26:17 | -46.2 | Dark | Up | 11.9 | 106.0 | Really Low | 10:11:17 - 10:41:17 | 3893 |
| Oliver | 10:26:14 | -46.4 | Dark | Up | 12.0 | 106.0 | Really Low | 10:11:14 - 10:41:14 | 3884 |
| Anarchist Mountain Observatory | 10:26:13 | -46.4 | Dark | Up | 12.1 | 106.1 | Really Low | 10:11:13 - 10:41:13 | 3878 |
| Tonasket | 10:26:11 | -46.6 | Dark | Up | 12.2 | 106.0 | Really Low | 10:11:11 - 10:41:11 | 3870 |
| Okanogan | 10:26:09 | -46.9 | Dark | Up | 12.2 | 105.8 | Really Low | 10:11:09 - 10:41:09 | 3863 |
| Brewster | 10:26:07 | -47.2 | Dark | Up | 12.1 | 105.5 | Really Low | 10:11:07 - 10:41:07 | 3857 |
| Manson/Chelan | 10:26:05 | -47.5 | Dark | Up | 11.9 | 105.2 | Really Low | 10:11:05 - 10:41:05 | 3855 |
| Wenatchee | 10:26:02 | -47.9 | Dark | Up | 11.9 | 105.0 | Really Low | 10:11:02 - 10:41:02 | 3843 |
| Ellensburg | 10:25:59 | -48.3 | Dark | Up | 11.9 | 104.7 | Really Low | 10:10:59 - 10:40:59 | 3834 |
| Yakima | 10:25:57 | -48.6 | Dark | Up | 12.0 | 104.6 | Really Low | 10:10:57 - 10:40:57 | 3822 |
| Toppenish/White Swan | 10:25:56 | -48.6 | Dark | Up | 12.1 | 104.7 | Really Low | 10:10:56 - 10:40:56 | 3813 |
| Goldendale | 10:25:51 | -49.2 | Dark | Up | 12.0 | 104.2 | Really Low | 10:10:51 - 10:40:51 | 3800 |
| The Dalles | 10:25:50 | -49.6 | Dark | Up | 11.8 | 103.9 | Really Low | 10:10:50 - 10:40:50 | 3797 |
| Pasco | 10:25:57 | -48.0 | Dark | Up | 13.0 | 105.6 | Really Low | 10:10:57 - 10:40:57 | 3795 |
| PNWRO | 10:25:55 | -48.0 | Dark | Up | 13.2 | 105.7 | Really Low | 10:10:55 - 10:40:55 | 3786 |
| Maupin | 10:25:47 | -49.8 | Dark | Up | 11.9 | 103.9 | Really Low | 10:10:47 - 10:40:47 | 3782 |
| Sisters | 10:25:40 | -50.6 | Dark | Up | 11.8 | 103.3 | Really Low | 10:10:40 - 10:40:40 | 3758 |
| Redmond | 10:25:41 | -50.4 | Dark | Up | 12.1 | 103.6 | Really Low | 10:10:41 - 10:40:41 | 3753 |
| Bend | 10:25:40 | -50.6 | Dark | Up | 12.0 | 103.5 | Really Low | 10:10:40 - 10:40:40 | 3747 |
| Oregon Observatory | 10:25:38 | -50.8 | Dark | Up | 12.0 | 103.3 | Really Low | 10:10:38 - 10:40:38 | 3742 |
| La Pine/Gilchrist | 10:25:37 | -50.9 | Dark | Up | 12.0 | 103.2 | Really Low | 10:10:37 - 10:40:37 | 3736 |
| North Lake | 10:25:35 | -50.9 | Dark | Up | 12.5 | 103.6 | Really Low | 10:10:35 - 10:40:35 | 3714 |
| Chiloquin | 10:25:30 | -51.8 | Dark | Up | 11.9 | 102.7 | Really Low | 10:10:30 - 10:40:30 | 3699 |
| Paisley | 10:25:32 | -51.0 | Dark | Up | 12.9 | 103.7 | Really Low | 10:10:32 - 10:40:32 | 3690 |
| Klamath Falls | 10:25:28 | -52.0 | Dark | Up | 12.1 | 102.7 | Really Low | 10:10:28 - 10:40:28 | 3685 |
| Lakeview | 10:25:29 | -51.2 | Dark | Up | 13.1 | 103.7 | Really Low | 10:10:29 - 10:40:29 | 3668 |
| Cedarville | 10:25:25 | -51.4 | Dark | Up | 13.4 | 103.7 | Really Low | 10:10:25 - 10:40:25 | 3641 |
| Fall River/Burney | 10:25:20 | -52.5 | Dark | Up | 12.6 | 102.7 | Really Low | 10:10:20 - 10:40:20 | 3634 |
| Susanville | 10:25:18 | -52.4 | Dark | Up | 13.3 | 103.1 | Really Low | 10:10:18 - 10:40:18 | 3601 |
| Greenville | 10:25:16 | -52.7 | Dark | Up | 13.1 | 102.8 | Really Low | 10:10:16 - 10:40:16 | 3592 |
| Gimple | 10:25:16 | -52.6 | Dark | Up | 13.2 | 102.9 | Really Low | 10:10:16 - 10:40:16 | 3591 |
| Quincy | 10:25:14 | -52.8 | Dark | Up | 13.1 | 102.7 | Really Low | 10:10:14 - 10:40:14 | 3584 |
| Portola | 10:25:14 | -52.6 | Dark | Up | 13.5 | 103.0 | Really Low | 10:10:14 - 10:40:14 | 3573 |
| Reno | 10:25:14 | -52.3 | Dark | Up | 14.1 | 103.4 | Really Low | 10:10:14 - 10:40:14 | 3554 |
| Carson City | 10:25:12 | -52.5 | Dark | Up | 14.2 | 103.3 | Really Low | 10:10:12 - 10:40:12 | 3538 |
| Gardnerville | 10:25:10 | -52.5 | Dark | Up | 14.2 | 103.3 | Really Low | 10:10:10 - 10:40:10 | 3527 |
| Yerington | 10:25:12 | -52.1 | Dark | Up | 14.7 | 103.7 | Really Low | 10:10:12 - 10:40:12 | 3522 |
| Hawthorne | 10:25:10 | -52.0 | Dark | Up | 15.2 | 104.0 | Really Low | 10:10:10 - 10:40:10 | 3495 |
| Lee Vining | 10:25:08 | -52.6 | Dark | Up | 14.9 | 103.5 | Really Low | 10:10:08 - 10:40:08 | 3476 |
| Tonopah | 10:25:11 | -51.2 | Dark | Up | 16.4 | 104.8 | Really Low | 10:10:11 - 10:40:11 | 3455 |
| Bishop | 10:25:03 | -52.4 | Dark | Up | 15.6 | 103.8 | Really Low | 10:10:03 - 10:40:03 | 3438 |
| Beatty | 10:25:04 | -51.4 | Dark | Up | 17.0 | 104.7 | Really Low | 10:10:04 - 10:40:04 | 3393 |
| CPSLO | 10:24:47 | -55.0 | Dark | Up | 14.2 | 101.8 | Really Low | 10:09:47 - 10:39:47 | 3365 |
| Indian Springs | 10:25:03 | -50.7 | Dark | Up | 17.9 | 105.4 | Really Low | 10:10:03 - 10:40:03 | 3361 |
| Dunrhomin | 10:25:49 | -41.6 | Dark | Up | 24.6 | 114.5 | Low | 10:10:49 - 10:40:49 | 3341 |
| Henderson | 10:25:02 | -50.4 | Dark | Up | 18.6 | 105.6 | Really Low | 10:10:02 - 10:40:02 | 3323 |
| Wildwood | 10:24:44 | -54.0 | Dark | Up | 16.1 | 102.7 | Really Low | 10:09:44 - 10:39:44 | 3276 |
| Patrick | 10:25:00 | -49.8 | Dark | Up | 19.6 | 106.2 | Really Low | 10:10:00 - 10:40:00 | 3273 |
| Laughlin/Bullhead City | 10:24:57 | -50.5 | Dark | Up | 19.1 | 105.6 | Really Low | 10:09:57 - 10:39:57 | 3272 |
| Kingman/Dolan Springs | 10:24:58 | -50.1 | Dark | Up | 19.6 | 106.0 | Really Low | 10:09:58 - 10:39:58 | 3265 |
| Mohave Valley | 10:24:56 | -50.6 | Dark | Up | 19.2 | 105.5 | Really Low | 10:09:56 - 10:39:56 | 3258 |
| Lake Havasu City | 10:24:54 | -50.5 | Dark | Up | 19.5 | 105.5 | Really Low | 10:09:54 - 10:39:54 | 3233 |
| Idyllwild | 10:24:45 | -52.7 | Dark | Up | 17.8 | 103.8 | Really Low | 10:09:45 - 10:39:45 | 3231 |
| Parker | 10:24:52 | -50.6 | Dark | Up | 19.6 | 105.4 | Really Low | 10:09:52 - 10:39:52 | 3214 |
| Blythe | 10:24:48 | -51.0 | Dark | Up | 19.5 | 105.1 | Really Low | 10:09:48 - 10:39:48 | 3190 |
| Calipatria | 10:24:44 | -51.9 | Dark | Up | 18.9 | 104.3 | Really Low | 10:09:44 - 10:39:44 | 3178 |
| George/Scottsdale | 10:24:55 | -48.8 | Dark | Up | 21.7 | 106.9 | Low | 10:09:55 - 10:39:55 | 3148 |
| Yuma | 10:24:43 | -51.4 | Dark | Up | 19.7 | 104.7 | Really Low | 10:09:43 - 10:39:43 | 3140 |
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 577627, (2025/02/07 10:27UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 25.45 174 1Del Oph 16:14:20.7 -03:41:43 2.7 2.95 154 PPM 199363 16:09:50.5 -03:28:00 5.0 3.46 153 PPM 179797 16:23:05.9 -00:51:22 8.0 0.84 152 PPM 179776 16:18:28.3 -00:51:21 9.8 0.42 152 PPM 179784 16:20:21.2 -01:15:09 10.3 0.21 152 577627 16:19:51.9 -01:05:02 15.1 152 Positions are for J2000
Event circumstances last updated at 2021/11/05 23:04:13 UT
Marc W. Buie, Southwest Research Institute