Event between (308193) 05CB79 and star GA1180:03419133 with event index number of 2295291
Geocentric closest approach at 2027/03/12 09:44:00 UTC
J2000 position of star is 11:40:22.0 +28:00:42
Equinox of date position of star is 11:41:38.2 +27:52:37
Stellar brightness G=14.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 118 degrees from the moon.
Moon is 17% illuminated.
Apparent brightness V=20.5
[RECON map]
Object is 38.1 AU from the Sun
and 37.2 AU from the Earth.
Apparent velocity is 24.9
km/sec on the sky relative to the star, or,
3.3 arcsec/hr.
The 1-sigma error in the time of the event is 109 seconds.
The 1-sigma cross-track error in the shadow position is
1724 km.
The sky-plane scale is
27001.1 km/arcsec.
The object has an absolute magnitude Hv=4.7
Diameter=682.4 km assuming a 5% albedo -- 27.8 sec chord
Diameter=278.6 km assuming a 30% albedo -- 11.3 sec chord
Dynamical classification is SCATEXTD
Star training set for 308193, (2027/03/12 09:44UT) Object RA Dec mag sep mel Regulus 10:09:49.1 +11:50:00 1.3 26.82 110 68Del Leo 11:15:33.0 +20:22:28 2.6 9.58 119 PPM 101269 11:37:43.6 +27:37:50 5.9 0.93 118 PPM 101354 11:44:47.8 +27:54:16 7.8 0.67 119 PPM 101315 11:41:14.5 +28:01:38 9.5 0.21 118 PPM 101323 11:41:36.3 +27:45:16 10.1 0.11 118 308193 11:41:47.2 +27:51:39 14.9 119 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 14.7 km
RECON observability=1.0 and success probability=0.9%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Sleaford | 09:43:29 | -32.2 | Dark | Down | 54.8 | 240.5 | Up | 09:33:54 - 09:53:05 | 5561 |
Kamloops | 09:43:53 | -38.8 | Dark | Down | 62.6 | 221.8 | Up | 09:34:18 - 09:53:29 | 4883 |
Kelowna | 09:43:49 | -39.2 | Dark | Down | 62.8 | 224.4 | Up | 09:34:14 - 09:53:25 | 4855 |
Peachland | 09:43:49 | -39.4 | Dark | Down | 63.0 | 224.0 | Up | 09:34:14 - 09:53:25 | 4834 |
Summerland | 09:43:49 | -39.5 | Dark | Down | 63.1 | 224.4 | Up | 09:34:14 - 09:53:25 | 4827 |
Penticton | 09:43:49 | -39.5 | Dark | Down | 63.1 | 224.7 | Up | 09:34:13 - 09:53:24 | 4826 |
Oliver | 09:43:47 | -39.8 | Dark | Down | 63.4 | 225.2 | Up | 09:34:11 - 09:53:22 | 4798 |
Anarchist Mountain Observatory | 09:43:47 | -39.9 | Dark | Down | 63.4 | 225.7 | Up | 09:34:11 - 09:53:22 | 4793 |
Dunrhomin | 09:42:49 | -39.6 | Dark | Down | 58.6 | 258.1 | Up | 09:33:13 - 09:52:24 | 4775 |
Nikitin | 09:42:49 | -39.7 | Dark | Down | 58.7 | 258.4 | Up | 09:33:13 - 09:52:24 | 4760 |
CU-SBO | 09:42:48 | -39.8 | Dark | Down | 58.7 | 258.4 | Up | 09:33:13 - 09:52:24 | 4751 |
Okanogan | 09:43:46 | -40.5 | Dark | Down | 63.9 | 226.3 | Up | 09:34:10 - 09:53:21 | 4733 |
Brewster | 09:43:45 | -40.8 | Dark | Down | 64.2 | 226.3 | Up | 09:34:09 - 09:53:20 | 4703 |
Manson/Chelan | 09:43:45 | -41.1 | Dark | Down | 64.5 | 226.0 | Up | 09:34:10 - 09:53:21 | 4672 |
Wenatchee | 09:43:44 | -41.6 | Dark | Down | 65.0 | 226.4 | Up | 09:34:09 - 09:53:20 | 4626 |
Victoria | 09:43:54 | -41.6 | Dark | Down | 65.5 | 219.3 | Up | 09:34:18 - 09:53:29 | 4591 |
Ellensburg | 09:43:44 | -42.0 | Dark | Down | 65.4 | 226.7 | Up | 09:34:08 - 09:53:19 | 4584 |
PNWRO | 09:43:37 | -42.3 | Dark | Down | 65.2 | 231.1 | Up | 09:34:02 - 09:53:13 | 4574 |
Yakima | 09:43:43 | -42.4 | Dark | Down | 65.6 | 227.3 | Up | 09:34:08 - 09:53:19 | 4550 |
Toppenish/White Swan | 09:43:42 | -42.5 | Dark | Down | 65.7 | 228.0 | Up | 09:34:06 - 09:53:17 | 4540 |
The Dalles | 09:43:41 | -43.5 | Dark | Down | 66.6 | 227.9 | Up | 09:34:06 - 09:53:17 | 4443 |
Maupin | 09:43:40 | -43.8 | Dark | Down | 66.9 | 228.8 | Up | 09:34:04 - 09:53:15 | 4413 |
Sisters | 09:43:39 | -44.7 | Dark | Down | 67.7 | 229.5 | Up | 09:34:03 - 09:53:14 | 4318 |
Bend | 09:43:37 | -44.8 | Dark | Down | 67.7 | 230.4 | Up | 09:34:02 - 09:53:13 | 4310 |
Oregon Observatory | 09:43:37 | -45.0 | Dark | Down | 67.9 | 230.5 | Up | 09:34:02 - 09:53:13 | 4290 |
Chiloquin | 09:43:35 | -46.3 | Dark | Down | 69.0 | 232.3 | Up | 09:33:59 - 09:53:10 | 4160 |
Cedarville | 09:43:28 | -46.5 | Dark | Down | 68.6 | 237.4 | Up | 09:33:53 - 09:53:04 | 4148 |
Klamath Falls | 09:43:33 | -46.6 | Dark | Down | 69.1 | 233.1 | Up | 09:33:57 - 09:53:08 | 4134 |
Fall River/Burney | 09:43:30 | -47.4 | Dark | Down | 69.6 | 236.3 | Up | 09:33:54 - 09:53:05 | 4051 |
Gimple | 09:43:25 | -47.9 | Dark | Down | 69.7 | 239.3 | Up | 09:33:50 - 09:53:01 | 3998 |
Reno | 09:43:21 | -48.0 | Dark | Down | 69.3 | 242.4 | Up | 09:33:46 - 09:52:57 | 3996 |
Greenville | 09:43:26 | -48.0 | Dark | Down | 69.8 | 239.2 | Up | 09:33:51 - 09:53:02 | 3994 |
Portola | 09:43:23 | -48.0 | Dark | Down | 69.6 | 240.7 | Up | 09:33:48 - 09:52:59 | 3988 |
Yerington | 09:43:18 | -48.1 | Dark | Down | 69.1 | 244.7 | Up | 09:33:43 - 09:52:54 | 3980 |
Quincy | 09:43:26 | -48.1 | Dark | Down | 69.9 | 239.7 | Up | 09:33:50 - 09:53:01 | 3977 |
Carson City | 09:43:20 | -48.2 | Dark | Down | 69.5 | 243.3 | Up | 09:33:45 - 09:52:56 | 3966 |
Hawthorne | 09:43:15 | -48.2 | Dark | Down | 69.0 | 246.6 | Up | 09:33:40 - 09:52:51 | 3966 |
Gardnerville | 09:43:20 | -48.4 | Dark | Down | 69.6 | 243.9 | Up | 09:33:44 - 09:52:55 | 3948 |
Patrick | 09:42:54 | -47.9 | Dark | Down | 66.3 | 259.3 | Up | 09:33:18 - 09:52:29 | 3942 |
Beatty | 09:43:06 | -48.5 | Dark | Down | 68.2 | 252.9 | Up | 09:33:30 - 09:52:41 | 3920 |
George/Scottsdale | 09:42:45 | -47.8 | Dark | Down | 64.9 | 264.6 | Up | 09:33:10 - 09:52:21 | 3905 |
Lee Vining | 09:43:15 | -48.9 | Dark | Down | 69.5 | 247.2 | Up | 09:33:40 - 09:52:51 | 3894 |
Laughlin/Bullhead City | 09:42:55 | -48.5 | Dark | Down | 66.9 | 259.2 | Up | 09:33:19 - 09:52:30 | 3884 |
Bishop | 09:43:11 | -49.0 | Dark | Down | 69.2 | 249.7 | Up | 09:33:36 - 09:52:47 | 3878 |
Lake Havasu City | 09:42:53 | -48.8 | Dark | Down | 66.8 | 261.0 | Up | 09:33:17 - 09:52:28 | 3840 |
Yuma | 09:42:48 | -50.3 | Dark | Down | 67.3 | 264.9 | Up | 09:33:13 - 09:52:24 | 3669 |
Calipatria | 09:42:52 | -50.5 | Dark | Down | 68.0 | 263.2 | Up | 09:33:17 - 09:52:28 | 3659 |
Idyllwild | 09:42:57 | -50.8 | Dark | Down | 68.9 | 260.7 | Up | 09:33:22 - 09:52:33 | 3650 |
Wildwood | 09:43:03 | -51.6 | Dark | Down | 70.3 | 257.9 | Up | 09:33:28 - 09:52:39 | 3583 |
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 308193, (2027/03/12 09:44UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 26.82 110 68Del Leo 11:14:06.7 +20:31:23 2.6 9.58 119 PPM 101269 11:36:18.0 +27:46:52 5.9 0.93 118 PPM 101354 11:43:22.9 +28:03:19 7.8 0.67 119 PPM 101315 11:39:49.2 +28:10:41 9.5 0.21 118 PPM 101323 11:40:11.1 +27:54:19 10.1 0.11 118 308193 11:40:22.0 +28:00:42 14.9 118 Positions are for J2000
Event circumstances last updated at 2024/04/23 03:26:33 UT
Marc W. Buie, Southwest Research Institute