Event between (447178) 05RO43 and star GA0720:03363096 with event index number of 2290697
Geocentric closest approach at 2025/12/14 08:10:01 UTC
J2000 position of star is 07:58:29.0 -16:20:22
Equinox of date position of star is 07:59:35.5 -16:24:24
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 76 degrees from the moon.
Moon is 27% illuminated.
Apparent brightness V=19.3
[RECON map]
Object is 15.4 AU from the Sun
and 14.8 AU from the Earth.
Apparent velocity is 16.9
km/sec on the sky relative to the star, or,
5.7 arcsec/hr.
The 1-sigma error in the time of the event is 81 seconds.
The 1-sigma cross-track error in the shadow position is
831 km.
The sky-plane scale is
10718.2 km/arcsec.
The object has an absolute magnitude Hv=7.2
Diameter=208.9 km assuming a 5% albedo -- 13.1 sec chord
Diameter=85.3 km assuming a 30% albedo -- 5.4 sec chord
Dynamical classification is CENTAURR
Star training set for 447178, (2025/12/14 08:05UT) Object RA Dec mag sep mel Sirius 06:46:17.6 -16:45:08 -1.5 17.58 93 15Rho Pup 08:08:39.0 -24:22:50 2.8 8.24 73 PPM 219613 08:05:42.9 -17:44:26 6.4 1.96 74 PPM 219483 08:00:28.5 -16:45:20 8.1 0.40 75 PPM 219440 07:58:48.4 -16:21:34 9.3 0.21 76 447178 07:59:40.0 -16:24:40 16.6 75 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 13.0 km
RECON observability=0.7 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) |
| Kamloops | 08:09:44 | -62.4 | Dark | Down | 16.5 | 145.7 | Really Low | 08:02:29 - 08:16:59 | 6711 |
| Victoria | 08:10:01 | -64.7 | Dark | Down | 17.2 | 142.5 | Really Low | 08:02:46 - 08:17:16 | 6701 |
| Peachland | 08:09:45 | -63.3 | Dark | Down | 17.5 | 146.1 | Really Low | 08:02:30 - 08:17:00 | 6681 |
| Kelowna | 08:09:43 | -63.2 | Dark | Down | 17.5 | 146.4 | Really Low | 08:02:28 - 08:16:58 | 6679 |
| Summerland | 08:09:45 | -63.4 | Dark | Down | 17.7 | 146.1 | Really Low | 08:02:30 - 08:17:00 | 6676 |
| Penticton | 08:09:46 | -63.5 | Dark | Down | 17.8 | 146.2 | Really Low | 08:02:31 - 08:17:01 | 6672 |
| Oliver | 08:09:45 | -63.8 | Dark | Down | 18.1 | 146.2 | Really Low | 08:02:30 - 08:17:00 | 6663 |
| Anarchist Mountain Observatory | 08:09:47 | -64.0 | Dark | Down | 18.3 | 146.3 | Really Low | 08:02:32 - 08:17:02 | 6657 |
| Okanogan | 08:09:50 | -64.6 | Dark | Down | 18.7 | 146.0 | Really Low | 08:02:35 - 08:17:05 | 6642 |
| Brewster | 08:09:51 | -64.9 | Dark | Down | 18.9 | 145.8 | Really Low | 08:02:36 - 08:17:06 | 6638 |
| Manson/Chelan | 08:09:53 | -65.2 | Dark | Down | 18.9 | 145.4 | Really Low | 08:02:38 - 08:17:08 | 6638 |
| Wenatchee | 08:09:56 | -65.7 | Dark | Down | 19.3 | 145.1 | Really Low | 08:02:41 - 08:17:11 | 6627 |
| Ellensburg | 08:09:57 | -66.1 | Dark | Down | 19.5 | 144.9 | Really Low | 08:02:42 - 08:17:12 | 6618 |
| Yakima | 08:09:59 | -66.5 | Dark | Down | 19.8 | 144.8 | Really Low | 08:02:44 - 08:17:14 | 6606 |
| Toppenish/White Swan | 08:09:59 | -66.7 | Dark | Down | 20.1 | 144.9 | Low | 08:02:44 - 08:17:14 | 6597 |
| The Dalles | 08:10:05 | -67.5 | Dark | Down | 20.4 | 144.0 | Low | 08:02:50 - 08:17:20 | 6585 |
| Maupin | 08:10:06 | -67.9 | Dark | Down | 20.8 | 144.0 | Low | 08:02:51 - 08:17:21 | 6570 |
| PNWRO | 08:09:55 | -66.9 | Dark | Down | 21.0 | 146.2 | Low | 08:02:40 - 08:17:10 | 6562 |
| Sisters | 08:10:12 | -68.8 | Dark | Down | 21.3 | 143.4 | Low | 08:02:57 - 08:17:27 | 6549 |
| Bend | 08:10:11 | -69.1 | Dark | Down | 21.6 | 143.6 | Low | 08:02:56 - 08:17:26 | 6537 |
| Oregon Observatory | 08:10:13 | -69.2 | Dark | Down | 21.7 | 143.4 | Low | 08:02:58 - 08:17:28 | 6533 |
| Chiloquin | 08:10:19 | -70.6 | Dark | Down | 22.6 | 142.7 | Low | 08:03:04 - 08:17:34 | 6492 |
| Sleaford | 08:08:50 | -58.1 | Dark | Down | 19.4 | 159.6 | Really Low | 08:01:35 - 08:16:05 | 6490 |
| Klamath Falls | 08:10:21 | -70.9 | Dark | Down | 22.9 | 142.7 | Low | 08:03:06 - 08:17:36 | 6478 |
| Fall River/Burney | 08:10:24 | -72.1 | Dark | Down | 24.0 | 142.8 | Low | 08:03:09 - 08:17:39 | 6426 |
| Cedarville | 08:10:17 | -71.4 | Dark | Down | 24.2 | 144.0 | Low | 08:03:02 - 08:17:32 | 6425 |
| Greenville | 08:10:25 | -72.9 | Dark | Down | 24.9 | 142.9 | Low | 08:03:10 - 08:17:40 | 6382 |
| Gimple | 08:10:24 | -72.9 | Dark | Down | 25.0 | 143.0 | Low | 08:03:09 - 08:17:39 | 6380 |
| Quincy | 08:10:27 | -73.1 | Dark | Down | 25.1 | 142.9 | Low | 08:03:12 - 08:17:42 | 6373 |
| Portola | 08:10:25 | -73.2 | Dark | Down | 25.4 | 143.3 | Low | 08:03:10 - 08:17:40 | 6360 |
| Reno | 08:10:22 | -73.3 | Dark | Down | 25.9 | 143.8 | Low | 08:03:07 - 08:17:37 | 6338 |
| Carson City | 08:10:24 | -73.7 | Dark | Down | 26.2 | 143.7 | Low | 08:03:09 - 08:17:39 | 6322 |
| Gardnerville | 08:10:25 | -73.9 | Dark | Down | 26.5 | 143.7 | Low | 08:03:10 - 08:17:40 | 6310 |
| Yerington | 08:10:21 | -73.7 | Dark | Down | 26.7 | 144.3 | Low | 08:03:06 - 08:17:36 | 6302 |
| Hawthorne | 08:10:21 | -74.1 | Dark | Down | 27.3 | 144.6 | Low | 08:03:06 - 08:17:36 | 6271 |
| Lee Vining | 08:10:26 | -74.7 | Dark | Down | 27.5 | 144.0 | Low | 08:03:11 - 08:17:41 | 6255 |
| Bishop | 08:10:23 | -75.1 | Dark | Down | 28.4 | 144.5 | Low | 08:03:08 - 08:17:38 | 6213 |
| Beatty | 08:10:19 | -75.0 | Dark | Down | 29.5 | 145.9 | Low | 08:03:04 - 08:17:34 | 6158 |
| Wildwood | 08:10:37 | -78.2 | Dark | Down | 30.9 | 143.3 | Up | 08:03:22 - 08:17:52 | 6054 |
| Dunrhomin | 08:09:19 | -66.9 | Dark | Down | 30.7 | 158.5 | Up | 08:02:04 - 08:16:34 | 6045 |
| Nikitin | 08:09:19 | -67.1 | Dark | Down | 30.8 | 158.4 | Up | 08:02:04 - 08:16:34 | 6037 |
| CU-SBO | 08:09:20 | -67.1 | Dark | Down | 30.9 | 158.3 | Up | 08:02:05 - 08:16:35 | 6036 |
| Laughlin/Bullhead City | 08:10:15 | -75.6 | Dark | Down | 31.9 | 147.5 | Up | 08:03:00 - 08:17:30 | 6024 |
| Patrick | 08:10:12 | -75.0 | Dark | Down | 32.0 | 148.3 | Up | 08:02:57 - 08:17:27 | 6022 |
| Idyllwild | 08:10:31 | -77.7 | Dark | Down | 32.1 | 145.0 | Up | 08:03:16 - 08:17:46 | 5997 |
| Lake Havasu City | 08:10:17 | -76.0 | Dark | Down | 32.6 | 147.6 | Up | 08:03:02 - 08:17:32 | 5983 |
| Calipatria | 08:10:27 | -77.6 | Dark | Down | 33.2 | 145.9 | Up | 08:03:12 - 08:17:42 | 5936 |
| Yuma | 08:10:24 | -77.5 | Dark | Down | 34.0 | 146.6 | Up | 08:03:09 - 08:17:39 | 5892 |
| George/Scottsdale | 08:10:08 | -75.1 | Dark | Down | 34.3 | 149.8 | Up | 08:02:53 - 08:17:23 | 5884 |
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 447178, (2025/12/14 08:05UT) Object RA Dec mag sep mel Sirius 06:45:08.0 -16:43:25 -1.5 17.58 93 15Rho Pup 08:07:32.5 -24:18:14 2.8 8.24 73 PPM 219613 08:04:32.5 -17:39:56 6.4 1.96 74 PPM 219483 07:59:17.7 -16:41:00 8.1 0.40 75 PPM 219440 07:57:37.4 -16:17:17 9.3 0.21 76 447178 07:58:29.0 -16:20:22 16.6 75 Positions are for J2000
Event circumstances last updated at 2024/04/18 03:41:48 UT
Marc W. Buie, Southwest Research Institute